./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-85.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87263df6-5300-472b-b926-7de8adf7f271/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87263df6-5300-472b-b926-7de8adf7f271/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87263df6-5300-472b-b926-7de8adf7f271/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87263df6-5300-472b-b926-7de8adf7f271/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-85.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87263df6-5300-472b-b926-7de8adf7f271/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87263df6-5300-472b-b926-7de8adf7f271/bin/ukojak-verify-0OAaufAVZV --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 f2dab74649212a3ffb00bb2114fde15cc6c5343aaff8c111997aa1541045c9bd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:47:40,511 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:47:40,649 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87263df6-5300-472b-b926-7de8adf7f271/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-11 23:47:40,653 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:47:40,654 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:47:40,675 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:47:40,676 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:47:40,677 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:47:40,678 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:47:40,679 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:47:40,680 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:47:40,680 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:47:40,681 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:47:40,681 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:47:40,682 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:47:40,683 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:47:40,683 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:47:40,684 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:47:40,684 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:47:40,685 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:47:40,685 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:47:40,686 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:47:40,687 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:47:40,687 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:47:40,688 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:47:40,688 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:47:40,689 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:47:40,689 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:47:40,690 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:47:40,690 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:47:40,691 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:47:40,691 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:47:40,692 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87263df6-5300-472b-b926-7de8adf7f271/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87263df6-5300-472b-b926-7de8adf7f271/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f2dab74649212a3ffb00bb2114fde15cc6c5343aaff8c111997aa1541045c9bd [2023-11-11 23:47:41,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:47:41,062 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:47:41,064 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:47:41,066 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:47:41,067 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:47:41,068 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87263df6-5300-472b-b926-7de8adf7f271/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-85.i [2023-11-11 23:47:44,126 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:47:44,432 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:47:44,444 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87263df6-5300-472b-b926-7de8adf7f271/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-85.i [2023-11-11 23:47:44,454 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87263df6-5300-472b-b926-7de8adf7f271/bin/ukojak-verify-0OAaufAVZV/data/1f6bf97c7/afbc5c3092bb416ea8374a4b40cc6951/FLAGe175f923a [2023-11-11 23:47:44,472 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87263df6-5300-472b-b926-7de8adf7f271/bin/ukojak-verify-0OAaufAVZV/data/1f6bf97c7/afbc5c3092bb416ea8374a4b40cc6951 [2023-11-11 23:47:44,475 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:47:44,476 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:47:44,477 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:47:44,477 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:47:44,483 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:47:44,484 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:47:44" (1/1) ... [2023-11-11 23:47:44,485 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b3f0070 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:44, skipping insertion in model container [2023-11-11 23:47:44,485 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:47:44" (1/1) ... [2023-11-11 23:47:44,534 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:47:44,707 WARN L240 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_87263df6-5300-472b-b926-7de8adf7f271/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-85.i[916,929] [2023-11-11 23:47:44,786 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:47:44,800 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:47:44,813 WARN L240 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_87263df6-5300-472b-b926-7de8adf7f271/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-85.i[916,929] [2023-11-11 23:47:44,902 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:47:44,921 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:47:44,922 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:44 WrapperNode [2023-11-11 23:47:44,922 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:47:44,923 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:47:44,923 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:47:44,923 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:47:44,929 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:44" (1/1) ... [2023-11-11 23:47:44,951 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:44" (1/1) ... [2023-11-11 23:47:45,005 INFO L138 Inliner]: procedures = 26, calls = 178, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 457 [2023-11-11 23:47:45,005 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:47:45,006 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:47:45,006 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:47:45,006 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:47:45,017 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:44" (1/1) ... [2023-11-11 23:47:45,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:44" (1/1) ... [2023-11-11 23:47:45,037 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:44" (1/1) ... [2023-11-11 23:47:45,037 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:44" (1/1) ... [2023-11-11 23:47:45,094 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:44" (1/1) ... [2023-11-11 23:47:45,099 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:44" (1/1) ... [2023-11-11 23:47:45,105 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:44" (1/1) ... [2023-11-11 23:47:45,123 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:44" (1/1) ... [2023-11-11 23:47:45,129 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:47:45,130 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:47:45,130 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:47:45,130 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:47:45,131 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:44" (1/1) ... [2023-11-11 23:47:45,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:47:45,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87263df6-5300-472b-b926-7de8adf7f271/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:47:45,233 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87263df6-5300-472b-b926-7de8adf7f271/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:47:45,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87263df6-5300-472b-b926-7de8adf7f271/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:47:45,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:47:45,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:47:45,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:47:45,299 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:47:45,299 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:47:45,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:47:45,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:47:45,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:47:45,442 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:47:45,444 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:47:46,085 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:47:47,301 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:47:47,302 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-11 23:47:47,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:47:47 BoogieIcfgContainer [2023-11-11 23:47:47,305 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:47:47,306 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:47:47,306 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:47:47,316 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:47:47,317 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:47:47" (1/1) ... [2023-11-11 23:47:47,328 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:47:47,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:47:47,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 55 states and 78 transitions. [2023-11-11 23:47:47,395 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2023-11-11 23:47:47,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-11 23:47:47,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:47:47,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:47:48,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:47:48,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 164 conjunts are in the unsatisfiable core [2023-11-11 23:47:48,579 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:47:48,701 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-11-11 23:47:49,102 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-11-11 23:47:49,579 INFO L351 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 25 [2023-11-11 23:47:50,116 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 37 [2023-11-11 23:47:50,795 INFO L351 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 52 treesize of output 49 [2023-11-11 23:47:52,027 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 61 [2023-11-11 23:47:53,443 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 73 [2023-11-11 23:47:55,134 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2023-11-11 23:47:55,813 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2023-11-11 23:47:56,486 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 22 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 85 [2023-11-11 23:47:57,190 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2023-11-11 23:48:03,348 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 570 treesize of output 509 [2023-11-11 23:48:03,730 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 545 treesize of output 568 [2023-11-11 23:48:04,071 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 235 treesize of output 212 [2023-11-11 23:48:04,449 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 7 select indices, 7 select index equivalence classes, 36 disjoint index pairs (out of 21 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 212 treesize of output 279 [2023-11-11 23:48:05,155 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 87 [2023-11-11 23:48:05,277 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2023-11-11 23:48:08,223 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 321 proven. 108 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2023-11-11 23:48:17,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-11 23:48:24,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-11 23:48:25,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-11 23:48:26,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:26,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 104 states and 214 transitions. [2023-11-11 23:48:26,025 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 214 transitions. [2023-11-11 23:48:26,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2023-11-11 23:48:26,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:26,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:28,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:28,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 791 conjuncts, 282 conjunts are in the unsatisfiable core [2023-11-11 23:48:28,220 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:48:28,489 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-11-11 23:48:28,747 INFO L351 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 25 [2023-11-11 23:48:29,069 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 37 [2023-11-11 23:48:29,523 INFO L351 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 52 treesize of output 49 [2023-11-11 23:48:30,004 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 61 [2023-11-11 23:48:31,581 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 73 [2023-11-11 23:48:33,567 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2023-11-11 23:48:34,189 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2023-11-11 23:48:34,852 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55 [2023-11-11 23:48:35,593 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 55