./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-87.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_6813d5cf-9e88-4a3a-8885-abe421ce7d0d/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6813d5cf-9e88-4a3a-8885-abe421ce7d0d/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6813d5cf-9e88-4a3a-8885-abe421ce7d0d/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6813d5cf-9e88-4a3a-8885-abe421ce7d0d/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-87.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6813d5cf-9e88-4a3a-8885-abe421ce7d0d/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6813d5cf-9e88-4a3a-8885-abe421ce7d0d/bin/ukojak-verify-afCqCEvfdi --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 d77ef1cde99f31e501c7f2ed1a61629f500b31c9ca09ddc7e86fabeb2ad18e8e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:12:36,865 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:12:36,970 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6813d5cf-9e88-4a3a-8885-abe421ce7d0d/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:12:36,975 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:12:36,982 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:12:37,043 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:12:37,045 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:12:37,046 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:12:37,048 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:12:37,054 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:12:37,055 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:12:37,056 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:12:37,057 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:12:37,059 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:12:37,059 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:12:37,060 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:12:37,060 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:12:37,061 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:12:37,061 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:12:37,062 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:12:37,062 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:12:37,063 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:12:37,064 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:12:37,066 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:12:37,067 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:12:37,068 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:12:37,068 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:12:37,069 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:12:37,069 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:12:37,070 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:12:37,071 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:12:37,072 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:12:37,072 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:12:37,072 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_6813d5cf-9e88-4a3a-8885-abe421ce7d0d/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6813d5cf-9e88-4a3a-8885-abe421ce7d0d/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d77ef1cde99f31e501c7f2ed1a61629f500b31c9ca09ddc7e86fabeb2ad18e8e [2023-11-24 22:12:37,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:12:37,444 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:12:37,447 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:12:37,449 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:12:37,449 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:12:37,451 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6813d5cf-9e88-4a3a-8885-abe421ce7d0d/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-87.i [2023-11-24 22:12:41,023 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:12:41,309 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:12:41,309 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6813d5cf-9e88-4a3a-8885-abe421ce7d0d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-87.i [2023-11-24 22:12:41,321 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6813d5cf-9e88-4a3a-8885-abe421ce7d0d/bin/ukojak-verify-afCqCEvfdi/data/325fc6475/cce3ab9ecaee4d1088677cec3c031ea0/FLAG1abca271e [2023-11-24 22:12:41,339 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6813d5cf-9e88-4a3a-8885-abe421ce7d0d/bin/ukojak-verify-afCqCEvfdi/data/325fc6475/cce3ab9ecaee4d1088677cec3c031ea0 [2023-11-24 22:12:41,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:12:41,344 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:12:41,346 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:12:41,346 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:12:41,353 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:12:41,354 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:12:41" (1/1) ... [2023-11-24 22:12:41,355 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58699d6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:41, skipping insertion in model container [2023-11-24 22:12:41,356 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:12:41" (1/1) ... [2023-11-24 22:12:41,390 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:12:41,578 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_6813d5cf-9e88-4a3a-8885-abe421ce7d0d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-87.i[916,929] [2023-11-24 22:12:41,654 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:12:41,680 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:12:41,697 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_6813d5cf-9e88-4a3a-8885-abe421ce7d0d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-87.i[916,929] [2023-11-24 22:12:41,749 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:12:41,772 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:12:41,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:41 WrapperNode [2023-11-24 22:12:41,773 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:12:41,774 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:12:41,774 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:12:41,774 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:12:41,784 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:41" (1/1) ... [2023-11-24 22:12:41,800 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:41" (1/1) ... [2023-11-24 22:12:41,873 INFO L138 Inliner]: procedures = 26, calls = 148, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 359 [2023-11-24 22:12:41,874 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:12:41,875 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:12:41,875 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:12:41,875 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:12:41,887 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:41" (1/1) ... [2023-11-24 22:12:41,888 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:41" (1/1) ... [2023-11-24 22:12:41,896 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:41" (1/1) ... [2023-11-24 22:12:41,896 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:41" (1/1) ... [2023-11-24 22:12:41,922 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:41" (1/1) ... [2023-11-24 22:12:41,927 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:41" (1/1) ... [2023-11-24 22:12:41,931 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:41" (1/1) ... [2023-11-24 22:12:41,935 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:41" (1/1) ... [2023-11-24 22:12:41,941 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:12:41,942 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:12:41,943 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:12:41,943 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:12:41,944 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:41" (1/1) ... [2023-11-24 22:12:41,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:12:41,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6813d5cf-9e88-4a3a-8885-abe421ce7d0d/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:12:42,006 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6813d5cf-9e88-4a3a-8885-abe421ce7d0d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:12:42,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6813d5cf-9e88-4a3a-8885-abe421ce7d0d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:12:42,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:12:42,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:12:42,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:12:42,069 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:12:42,070 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:12:42,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:12:42,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:12:42,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:12:42,252 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:12:42,254 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:12:42,801 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:12:43,479 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:12:43,480 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:12:43,483 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:12:43 BoogieIcfgContainer [2023-11-24 22:12:43,483 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:12:43,486 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:12:43,486 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:12:43,499 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:12:43,499 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:12:43" (1/1) ... [2023-11-24 22:12:43,513 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:12:43,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:43,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 37 states and 51 transitions. [2023-11-24 22:12:43,627 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 51 transitions. [2023-11-24 22:12:43,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-24 22:12:43,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:43,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:45,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:45,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 85 conjunts are in the unsatisfiable core [2023-11-24 22:12:45,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:45,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:45,334 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 23 [2023-11-24 22:12:45,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:45,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:45,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:45,945 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 36 treesize of output 32 [2023-11-24 22:12:46,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:46,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:46,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:46,310 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 22:12:46,311 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 37 [2023-11-24 22:12:46,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:46,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:46,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:46,740 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 22:12:46,740 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 37 [2023-11-24 22:12:47,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:47,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:47,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:47,098 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 22:12:47,098 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 37 [2023-11-24 22:12:47,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:47,445 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 22:12:47,445 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 37 [2023-11-24 22:12:47,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:47,993 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 22:12:47,994 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 58 treesize of output 51 [2023-11-24 22:12:52,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:52,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:52,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:52,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:52,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:52,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:52,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:52,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:52,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:52,322 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 289 treesize of output 220 [2023-11-24 22:12:53,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:53,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:53,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:53,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:53,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:53,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:53,295 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 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 415 treesize of output 344 [2023-11-24 22:12:53,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:53,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:53,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:53,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:53,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:53,867 INFO L378 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 340 treesize of output 277 [2023-11-24 22:12:54,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:54,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:54,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:54,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:54,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:12:54,023 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 319 treesize of output 301 [2023-11-24 22:12:54,297 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 203 treesize of output 198 [2023-11-24 22:12:54,634 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2023-11-24 22:12:54,770 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2023-11-24 22:12:54,926 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 37 [2023-11-24 22:12:55,797 INFO L378 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 72 [2023-11-24 22:12:56,027 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 [2023-11-24 22:13:23,281 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 73 proven. 15 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2023-11-24 22:13:26,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-24 22:13:29,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-24 22:13:29,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:29,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 68 states and 128 transitions. [2023-11-24 22:13:29,942 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 128 transitions. [2023-11-24 22:13:29,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-24 22:13:29,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:29,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:32,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:32,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 547 conjuncts, 87 conjunts are in the unsatisfiable core [2023-11-24 22:13:32,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:13:33,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:13:33,212 INFO L378 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 29 treesize of output 13 [2023-11-24 22:13:33,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:13:33,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:13:33,840 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 36 treesize of output 27 [2023-11-24 22:13:34,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:13:34,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:13:34,075 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 36 treesize of output 27 [2023-11-24 22:13:34,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:13:34,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:13:34,309 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 36 treesize of output 27 [2023-11-24 22:13:34,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:13:34,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:13:34,525 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 36 treesize of output 27 [2023-11-24 22:13:34,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:13:34,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:13:34,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:13:34,759 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 29 treesize of output 27 [2023-11-24 22:13:35,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:13:35,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:13:35,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:13:35,210 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 51 treesize of output 41