./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps5-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_38b1cd9b-3ae2-4003-b6bd-8e4b9c56ef39/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b1cd9b-3ae2-4003-b6bd-8e4b9c56ef39/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_38b1cd9b-3ae2-4003-b6bd-8e4b9c56ef39/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b1cd9b-3ae2-4003-b6bd-8e4b9c56ef39/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps5-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b1cd9b-3ae2-4003-b6bd-8e4b9c56ef39/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_38b1cd9b-3ae2-4003-b6bd-8e4b9c56ef39/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 02d2a7ecaeb1f9a3fd2c207ee063800bfd7475435ba7bc7e95648b1704092bfe --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:35:39,692 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:35:39,791 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b1cd9b-3ae2-4003-b6bd-8e4b9c56ef39/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:35:39,796 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:35:39,796 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:35:39,826 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:35:39,828 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:35:39,828 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:35:39,828 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:35:39,829 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:35:39,830 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:35:39,830 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:35:39,830 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:35:39,830 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:35:39,831 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:35:39,831 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:35:39,831 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:35:39,831 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:35:39,831 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:35:39,831 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:35:39,831 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:35:39,832 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:35:39,832 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:35:39,832 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:35:39,832 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:35:39,832 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:35:39,832 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:35:39,832 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:35:39,833 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:35:39,833 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:35:39,833 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:35:39,833 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:35:39,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:35:39,833 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_38b1cd9b-3ae2-4003-b6bd-8e4b9c56ef39/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 -> 02d2a7ecaeb1f9a3fd2c207ee063800bfd7475435ba7bc7e95648b1704092bfe [2024-11-13 22:35:40,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:35:40,180 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:35:40,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:35:40,184 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:35:40,184 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:35:40,185 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b1cd9b-3ae2-4003-b6bd-8e4b9c56ef39/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps5-ll.c Unable to find full path for "g++" [2024-11-13 22:35:42,253 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:35:42,544 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:35:42,550 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b1cd9b-3ae2-4003-b6bd-8e4b9c56ef39/sv-benchmarks/c/recursified_nla-digbench/recursified_ps5-ll.c [2024-11-13 22:35:42,562 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b1cd9b-3ae2-4003-b6bd-8e4b9c56ef39/bin/ukojak-verify-EEHR8qb7sm/data/3bac0604d/1fe1763a715b45b18e97191309881b3a/FLAG3dde6c212 [2024-11-13 22:35:42,578 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b1cd9b-3ae2-4003-b6bd-8e4b9c56ef39/bin/ukojak-verify-EEHR8qb7sm/data/3bac0604d/1fe1763a715b45b18e97191309881b3a [2024-11-13 22:35:42,580 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:35:42,582 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:35:42,583 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:35:42,584 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:35:42,588 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:35:42,590 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:35:42" (1/1) ... [2024-11-13 22:35:42,594 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d541a70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:35:42, skipping insertion in model container [2024-11-13 22:35:42,594 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:35:42" (1/1) ... [2024-11-13 22:35:42,615 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:35:42,783 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_38b1cd9b-3ae2-4003-b6bd-8e4b9c56ef39/sv-benchmarks/c/recursified_nla-digbench/recursified_ps5-ll.c[987,1000] [2024-11-13 22:35:42,802 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:35:42,811 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:35:42,823 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_38b1cd9b-3ae2-4003-b6bd-8e4b9c56ef39/sv-benchmarks/c/recursified_nla-digbench/recursified_ps5-ll.c[987,1000] [2024-11-13 22:35:42,843 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:35:42,862 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:35:42,863 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:35:42 WrapperNode [2024-11-13 22:35:42,863 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:35:42,864 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:35:42,864 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:35:42,864 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:35:42,871 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:35:42" (1/1) ... [2024-11-13 22:35:42,878 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:35:42" (1/1) ... [2024-11-13 22:35:42,902 INFO L138 Inliner]: procedures = 16, calls = 74, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 83 [2024-11-13 22:35:42,903 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:35:42,903 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:35:42,903 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:35:42,904 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:35:42,914 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:35:42" (1/1) ... [2024-11-13 22:35:42,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:35:42" (1/1) ... [2024-11-13 22:35:42,922 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:35:42" (1/1) ... [2024-11-13 22:35:42,923 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:35:42" (1/1) ... [2024-11-13 22:35:42,928 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:35:42" (1/1) ... [2024-11-13 22:35:42,931 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:35:42" (1/1) ... [2024-11-13 22:35:42,932 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:35:42" (1/1) ... [2024-11-13 22:35:42,933 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:35:42" (1/1) ... [2024-11-13 22:35:42,935 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:35:42,940 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:35:42,940 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:35:42,940 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:35:42,941 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:35:42" (1/1) ... [2024-11-13 22:35:42,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:35:42,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b1cd9b-3ae2-4003-b6bd-8e4b9c56ef39/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:35:42,992 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b1cd9b-3ae2-4003-b6bd-8e4b9c56ef39/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:35:42,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38b1cd9b-3ae2-4003-b6bd-8e4b9c56ef39/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:35:43,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:35:43,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:35:43,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 22:35:43,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 22:35:43,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:35:43,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:35:43,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 22:35:43,026 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 22:35:43,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 22:35:43,027 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_27_to_35_0 [2024-11-13 22:35:43,027 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_27_to_35_0 [2024-11-13 22:35:43,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:35:43,111 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:35:43,113 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:35:43,327 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-13 22:35:43,328 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:35:43,380 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:35:43,381 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:35:43,381 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:35:43 BoogieIcfgContainer [2024-11-13 22:35:43,381 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:35:43,382 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:35:43,382 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:35:43,393 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:35:43,393 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:35:43" (1/1) ... [2024-11-13 22:35:43,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:35:43,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:35:43,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2024-11-13 22:35:43,457 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2024-11-13 22:35:43,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:35:43,461 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:35:43,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:35:43,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:35:43,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:35:43,770 INFO L255 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-13 22:35:43,777 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:35:43,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:35:43,919 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2024-11-13 22:35:43,920 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 34 [2024-11-13 22:35:43,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:35:43,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:35:43,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:35:43,955 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 34 treesize of output 30 [2024-11-13 22:35:43,981 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-13 22:35:43,982 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2024-11-13 22:35:44,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:35:44,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:35:44,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:35:44,027 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 60 [2024-11-13 22:35:44,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:35:44,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:35:44,057 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 22:35:44,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:35:44,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:35:44,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:35:44,083 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 55 [2024-11-13 22:35:44,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:35:44,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:35:44,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:35:44,115 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 58 [2024-11-13 22:35:44,130 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 22:35:44,132 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2024-11-13 22:35:44,154 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 101 treesize of output 95 [2024-11-13 22:35:44,175 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-11-13 22:35:44,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:35:44,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:35:44,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:35:44,204 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 55 [2024-11-13 22:35:44,223 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 22:35:44,224 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2024-11-13 22:35:44,242 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 22:35:44,444 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 22:35:44,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:35:44,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 36 transitions. [2024-11-13 22:35:44,686 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2024-11-13 22:35:44,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 22:35:44,688 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:35:44,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:35:44,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:35:45,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:35:45,029 INFO L255 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 92 conjuncts are in the unsatisfiable core [2024-11-13 22:35:45,035 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:35:45,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:35:45,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:35:45,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:35:45,232 INFO L349 Elim1Store]: treesize reduction 127, result has 27.4 percent of original size [2024-11-13 22:35:45,232 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 207 [2024-11-13 22:35:45,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:35:45,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:35:45,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:35:45,308 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 22:35:45,423 INFO L349 Elim1Store]: treesize reduction 103, result has 14.9 percent of original size [2024-11-13 22:35:45,423 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 104 treesize of output 130 [2024-11-13 22:35:45,469 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-13 22:35:45,469 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 92 treesize of output 86 [2024-11-13 22:35:45,491 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 22:35:45,492 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2024-11-13 22:35:45,645 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 8 treesize of output 1 [2024-11-13 22:35:45,751 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 8 treesize of output 7 [2024-11-13 22:35:45,783 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 8 treesize of output 7 [2024-11-13 22:35:45,813 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 8 treesize of output 7 [2024-11-13 22:35:45,904 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 22:35:45,907 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 344 [2024-11-13 22:35:46,322 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 22:35:46,324 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 195 [2024-11-13 22:35:46,577 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 22:35:46,579 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 245 [2024-11-13 22:35:46,604 INFO L349 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2024-11-13 22:35:46,605 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 81 treesize of output 108 [2024-11-13 22:35:46,640 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 22:35:46,655 INFO L349 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2024-11-13 22:35:46,655 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 81 treesize of output 90 [2024-11-13 22:35:46,694 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 429 treesize of output 419 [2024-11-13 22:37:05,149 WARN L286 SmtUtils]: Spent 39.94s on a formula simplification that was a NOOP. DAG size: 288 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:37:05,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:37:05,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:37:05,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:37:09,735 INFO L349 Elim1Store]: treesize reduction 1649, result has 15.0 percent of original size [2024-11-13 22:37:09,737 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 20 select indices, 20 select index equivalence classes, 3 disjoint index pairs (out of 190 index pairs), introduced 21 new quantified variables, introduced 204 case distinctions, treesize of input 7131 treesize of output 6668 [2024-11-13 22:37:09,929 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 359 treesize of output 359 [2024-11-13 22:37:09,997 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 353 treesize of output 353 [2024-11-13 22:37:10,074 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 347 treesize of output 345 [2024-11-13 22:37:10,138 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 345 treesize of output 343 [2024-11-13 22:37:10,204 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 343 treesize of output 343 [2024-11-13 22:37:10,343 INFO L349 Elim1Store]: treesize reduction 11, result has 50.0 percent of original size [2024-11-13 22:37:10,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 337 treesize of output 344 [2024-11-13 22:37:10,417 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 327 treesize of output 327 [2024-11-13 22:37:10,753 INFO L224 Elim1Store]: Index analysis took 251 ms [2024-11-13 22:37:13,125 INFO L349 Elim1Store]: treesize reduction 1649, result has 15.0 percent of original size [2024-11-13 22:37:13,126 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 20 select indices, 20 select index equivalence classes, 3 disjoint index pairs (out of 190 index pairs), introduced 21 new quantified variables, introduced 204 case distinctions, treesize of input 550 treesize of output 769 [2024-11-13 22:37:13,174 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-11-13 22:37:13,666 INFO L224 Elim1Store]: Index analysis took 345 ms [2024-11-13 22:37:16,107 INFO L349 Elim1Store]: treesize reduction 2023, result has 12.5 percent of original size [2024-11-13 22:37:16,108 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 20 select indices, 20 select index equivalence classes, 3 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 204 case distinctions, treesize of input 518 treesize of output 764 [2024-11-13 22:37:16,390 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 291 treesize of output 291 [2024-11-13 22:37:16,582 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 285 treesize of output 285 [2024-11-13 22:37:16,767 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 279 treesize of output 277 [2024-11-13 22:37:16,943 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 277 treesize of output 275 [2024-11-13 22:37:17,133 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 275 treesize of output 275 [2024-11-13 22:37:17,376 INFO L349 Elim1Store]: treesize reduction 11, result has 50.0 percent of original size [2024-11-13 22:37:17,377 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 269 treesize of output 276 [2024-11-13 22:37:17,565 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 259 treesize of output 259 [2024-11-13 22:37:17,632 INFO L209 tifierPushTermWalker]: Run 20 iterations without descend maybe there is a nontermination bug. [2024-11-13 22:37:18,187 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 89 treesize of output 82 [2024-11-13 22:37:18,429 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 22:37:18,429 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2024-11-13 22:37:19,035 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 6 treesize of output 5 [2024-11-13 22:37:19,168 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 22:37:19,169 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2024-11-13 22:37:58,907 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 11 treesize of output 9 [2024-11-13 22:37:58,918 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 22:37:58,919 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 19 [2024-11-13 22:37:58,924 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 5 treesize of output 3 [2024-11-13 22:37:59,351 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 5 treesize of output 3 [2024-11-13 22:37:59,368 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 5 treesize of output 3 [2024-11-13 22:41:26,434 WARN L286 SmtUtils]: Spent 7.43s on a formula simplification that was a NOOP. DAG size: 717 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:42:30,344 WARN L286 SmtUtils]: Spent 5.04s on a formula simplification. DAG size of input: 700 DAG size of output: 700 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:45:03,305 WARN L286 SmtUtils]: Spent 10.10s on a formula simplification. DAG size of input: 639 DAG size of output: 718 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:45:15,224 WARN L286 SmtUtils]: Spent 9.60s on a formula simplification. DAG size of input: 638 DAG size of output: 641 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:46:01,752 WARN L286 SmtUtils]: Spent 7.06s on a formula simplification. DAG size of input: 833 DAG size of output: 833 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:47:11,983 WARN L286 SmtUtils]: Spent 7.00s on a formula simplification. DAG size of input: 610 DAG size of output: 576 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:48:04,007 WARN L286 SmtUtils]: Spent 8.20s on a formula simplification. DAG size of input: 701 DAG size of output: 780 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:49:06,356 WARN L286 SmtUtils]: Spent 5.63s on a formula simplification. DAG size of input: 875 DAG size of output: 875 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)