./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-patterns/array7_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/array-patterns/array7_pattern.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 85b55cdd1f26353e63ecc189ba28ba899672edc569fe3ef3f04470f2b5e667fa --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 10:15:17,047 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 10:15:17,048 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 10:15:17,074 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 10:15:17,074 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 10:15:17,075 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 10:15:17,077 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 10:15:17,081 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 10:15:17,083 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 10:15:17,087 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 10:15:17,088 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 10:15:17,089 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 10:15:17,090 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 10:15:17,091 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 10:15:17,092 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 10:15:17,095 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 10:15:17,096 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 10:15:17,096 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 10:15:17,098 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 10:15:17,100 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 10:15:17,102 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 10:15:17,103 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 10:15:17,104 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 10:15:17,104 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 10:15:17,105 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 10:15:17,109 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 10:15:17,109 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 10:15:17,110 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 10:15:17,110 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 10:15:17,111 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 10:15:17,111 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 10:15:17,112 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 10:15:17,113 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 10:15:17,113 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 10:15:17,114 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 10:15:17,114 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 10:15:17,115 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 10:15:17,115 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 10:15:17,115 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 10:15:17,115 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 10:15:17,116 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 10:15:17,117 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 10:15:17,118 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-19 10:15:17,146 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 10:15:17,147 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 10:15:17,147 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 10:15:17,147 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 10:15:17,148 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 10:15:17,148 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 10:15:17,148 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 10:15:17,148 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 10:15:17,149 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 10:15:17,149 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 10:15:17,149 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-19 10:15:17,150 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 10:15:17,150 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-19 10:15:17,150 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 10:15:17,150 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 10:15:17,150 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 10:15:17,150 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 10:15:17,150 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-19 10:15:17,150 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 10:15:17,151 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 10:15:17,151 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 10:15:17,151 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 10:15:17,151 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 10:15:17,151 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 10:15:17,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 10:15:17,152 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 10:15:17,152 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 10:15:17,152 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 10:15:17,152 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 10:15:17,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 10:15:17,152 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 10:15:17,153 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 10:15:17,153 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 10:15:17,153 INFO L138 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85b55cdd1f26353e63ecc189ba28ba899672edc569fe3ef3f04470f2b5e667fa [2022-07-19 10:15:17,328 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 10:15:17,348 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 10:15:17,350 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 10:15:17,351 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 10:15:17,352 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 10:15:17,352 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-patterns/array7_pattern.c [2022-07-19 10:15:17,391 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc5350645/9661443a2d074733bc929cf117e22592/FLAGc2b32fdce [2022-07-19 10:15:17,721 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 10:15:17,721 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-patterns/array7_pattern.c [2022-07-19 10:15:17,728 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc5350645/9661443a2d074733bc929cf117e22592/FLAGc2b32fdce [2022-07-19 10:15:18,149 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc5350645/9661443a2d074733bc929cf117e22592 [2022-07-19 10:15:18,151 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 10:15:18,153 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 10:15:18,154 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 10:15:18,154 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 10:15:18,156 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 10:15:18,156 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:15:18" (1/1) ... [2022-07-19 10:15:18,157 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b8e9e3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:15:18, skipping insertion in model container [2022-07-19 10:15:18,157 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:15:18" (1/1) ... [2022-07-19 10:15:18,162 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 10:15:18,176 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 10:15:18,300 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-patterns/array7_pattern.c[1375,1388] [2022-07-19 10:15:18,330 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 10:15:18,337 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 10:15:18,349 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-patterns/array7_pattern.c[1375,1388] [2022-07-19 10:15:18,378 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 10:15:18,393 INFO L208 MainTranslator]: Completed translation [2022-07-19 10:15:18,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:15:18 WrapperNode [2022-07-19 10:15:18,394 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 10:15:18,395 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 10:15:18,395 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 10:15:18,396 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 10:15:18,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:15:18" (1/1) ... [2022-07-19 10:15:18,412 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:15:18" (1/1) ... [2022-07-19 10:15:18,431 INFO L137 Inliner]: procedures = 16, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 89 [2022-07-19 10:15:18,432 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 10:15:18,433 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 10:15:18,433 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 10:15:18,433 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 10:15:18,439 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:15:18" (1/1) ... [2022-07-19 10:15:18,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:15:18" (1/1) ... [2022-07-19 10:15:18,445 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:15:18" (1/1) ... [2022-07-19 10:15:18,445 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:15:18" (1/1) ... [2022-07-19 10:15:18,458 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:15:18" (1/1) ... [2022-07-19 10:15:18,461 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:15:18" (1/1) ... [2022-07-19 10:15:18,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:15:18" (1/1) ... [2022-07-19 10:15:18,468 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 10:15:18,469 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 10:15:18,469 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 10:15:18,469 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 10:15:18,470 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:15:18" (1/1) ... [2022-07-19 10:15:18,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 10:15:18,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 10:15:18,492 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-19 10:15:18,497 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-19 10:15:18,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 10:15:18,519 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-19 10:15:18,519 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-19 10:15:18,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 10:15:18,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-19 10:15:18,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-19 10:15:18,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 10:15:18,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 10:15:18,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-19 10:15:18,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-19 10:15:18,602 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 10:15:18,604 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 10:15:18,756 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 10:15:18,774 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 10:15:18,775 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-07-19 10:15:18,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:15:18 BoogieIcfgContainer [2022-07-19 10:15:18,776 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 10:15:18,778 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 10:15:18,778 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 10:15:18,781 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 10:15:18,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 10:15:18" (1/3) ... [2022-07-19 10:15:18,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3019d103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:15:18, skipping insertion in model container [2022-07-19 10:15:18,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:15:18" (2/3) ... [2022-07-19 10:15:18,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3019d103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:15:18, skipping insertion in model container [2022-07-19 10:15:18,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:15:18" (3/3) ... [2022-07-19 10:15:18,783 INFO L111 eAbstractionObserver]: Analyzing ICFG array7_pattern.c [2022-07-19 10:15:18,793 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 10:15:18,795 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 10:15:18,838 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 10:15:18,845 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3bf80bdd, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6cca4aa0 [2022-07-19 10:15:18,845 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 10:15:18,855 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 20 states have (on average 1.5) internal successors, (30), 21 states have internal predecessors, (30), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-07-19 10:15:18,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-07-19 10:15:18,862 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 10:15:18,863 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 10:15:18,863 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 10:15:18,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 10:15:18,869 INFO L85 PathProgramCache]: Analyzing trace with hash -440982883, now seen corresponding path program 1 times [2022-07-19 10:15:18,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 10:15:18,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786727784] [2022-07-19 10:15:18,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 10:15:18,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 10:15:18,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 10:15:18,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 10:15:18,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 10:15:18,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 10:15:18,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 10:15:18,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786727784] [2022-07-19 10:15:18,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786727784] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 10:15:18,996 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 10:15:18,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 10:15:18,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648989652] [2022-07-19 10:15:18,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 10:15:19,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-19 10:15:19,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 10:15:19,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-19 10:15:19,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-19 10:15:19,025 INFO L87 Difference]: Start difference. First operand has 26 states, 20 states have (on average 1.5) internal successors, (30), 21 states have internal predecessors, (30), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 10:15:19,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 10:15:19,041 INFO L93 Difference]: Finished difference Result 49 states and 71 transitions. [2022-07-19 10:15:19,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-19 10:15:19,043 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-07-19 10:15:19,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 10:15:19,048 INFO L225 Difference]: With dead ends: 49 [2022-07-19 10:15:19,048 INFO L226 Difference]: Without dead ends: 22 [2022-07-19 10:15:19,050 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-19 10:15:19,053 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 10:15:19,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 10:15:19,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2022-07-19 10:15:19,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2022-07-19 10:15:19,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 17 states have internal predecessors, (20), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-07-19 10:15:19,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2022-07-19 10:15:19,097 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 15 [2022-07-19 10:15:19,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 10:15:19,097 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2022-07-19 10:15:19,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 10:15:19,098 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2022-07-19 10:15:19,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-07-19 10:15:19,100 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 10:15:19,100 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 10:15:19,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-19 10:15:19,101 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 10:15:19,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 10:15:19,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1396045698, now seen corresponding path program 1 times [2022-07-19 10:15:19,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 10:15:19,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998584778] [2022-07-19 10:15:19,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 10:15:19,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 10:15:19,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 10:15:19,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 10:15:19,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 10:15:19,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-19 10:15:19,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 10:15:19,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-19 10:15:19,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 10:15:19,263 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-19 10:15:19,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 10:15:19,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998584778] [2022-07-19 10:15:19,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998584778] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 10:15:19,267 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 10:15:19,267 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 10:15:19,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754025474] [2022-07-19 10:15:19,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 10:15:19,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 10:15:19,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 10:15:19,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 10:15:19,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-19 10:15:19,270 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-19 10:15:19,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 10:15:19,287 INFO L93 Difference]: Finished difference Result 27 states and 31 transitions. [2022-07-19 10:15:19,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-19 10:15:19,287 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 27 [2022-07-19 10:15:19,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 10:15:19,288 INFO L225 Difference]: With dead ends: 27 [2022-07-19 10:15:19,288 INFO L226 Difference]: Without dead ends: 23 [2022-07-19 10:15:19,288 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-19 10:15:19,289 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 4 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 10:15:19,290 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 59 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 10:15:19,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-07-19 10:15:19,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2022-07-19 10:15:19,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 18 states have internal predecessors, (21), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-07-19 10:15:19,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2022-07-19 10:15:19,293 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 27 [2022-07-19 10:15:19,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 10:15:19,294 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2022-07-19 10:15:19,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-19 10:15:19,295 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2022-07-19 10:15:19,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-07-19 10:15:19,295 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 10:15:19,295 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 10:15:19,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-19 10:15:19,296 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 10:15:19,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 10:15:19,296 INFO L85 PathProgramCache]: Analyzing trace with hash 1623352868, now seen corresponding path program 1 times [2022-07-19 10:15:19,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 10:15:19,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631109514] [2022-07-19 10:15:19,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 10:15:19,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 10:15:19,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 10:15:19,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 10:15:19,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 10:15:19,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-19 10:15:19,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 10:15:19,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-19 10:15:19,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 10:15:19,360 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-19 10:15:19,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 10:15:19,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631109514] [2022-07-19 10:15:19,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631109514] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 10:15:19,361 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 10:15:19,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 10:15:19,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561966133] [2022-07-19 10:15:19,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 10:15:19,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 10:15:19,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 10:15:19,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 10:15:19,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-19 10:15:19,363 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-19 10:15:19,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 10:15:19,403 INFO L93 Difference]: Finished difference Result 43 states and 50 transitions. [2022-07-19 10:15:19,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 10:15:19,404 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 29 [2022-07-19 10:15:19,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 10:15:19,405 INFO L225 Difference]: With dead ends: 43 [2022-07-19 10:15:19,405 INFO L226 Difference]: Without dead ends: 26 [2022-07-19 10:15:19,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-19 10:15:19,406 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 16 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 10:15:19,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 61 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 10:15:19,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-07-19 10:15:19,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24. [2022-07-19 10:15:19,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 19 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-07-19 10:15:19,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2022-07-19 10:15:19,410 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 29 [2022-07-19 10:15:19,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 10:15:19,410 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2022-07-19 10:15:19,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-19 10:15:19,411 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2022-07-19 10:15:19,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-07-19 10:15:19,411 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 10:15:19,411 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 10:15:19,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-19 10:15:19,412 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 10:15:19,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 10:15:19,412 INFO L85 PathProgramCache]: Analyzing trace with hash -1083978846, now seen corresponding path program 1 times [2022-07-19 10:15:19,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 10:15:19,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835398675] [2022-07-19 10:15:19,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 10:15:19,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 10:15:19,424 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-19 10:15:19,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1916008586] [2022-07-19 10:15:19,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 10:15:19,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 10:15:19,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 10:15:19,426 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 10:15:19,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-19 10:15:19,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 10:15:19,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-19 10:15:19,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 10:15:19,657 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-07-19 10:15:19,657 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 10:15:19,877 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-19 10:15:19,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 10:15:19,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835398675] [2022-07-19 10:15:19,884 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-19 10:15:19,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1916008586] [2022-07-19 10:15:19,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1916008586] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 10:15:19,884 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-19 10:15:19,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10] total 15 [2022-07-19 10:15:19,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540225028] [2022-07-19 10:15:19,885 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-19 10:15:19,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-19 10:15:19,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 10:15:19,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-19 10:15:19,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2022-07-19 10:15:19,886 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand has 15 states, 13 states have (on average 2.5384615384615383) internal successors, (33), 13 states have internal predecessors, (33), 5 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-07-19 10:15:20,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 10:15:20,119 INFO L93 Difference]: Finished difference Result 73 states and 83 transitions. [2022-07-19 10:15:20,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-19 10:15:20,120 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 2.5384615384615383) internal successors, (33), 13 states have internal predecessors, (33), 5 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Word has length 31 [2022-07-19 10:15:20,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 10:15:20,120 INFO L225 Difference]: With dead ends: 73 [2022-07-19 10:15:20,120 INFO L226 Difference]: Without dead ends: 42 [2022-07-19 10:15:20,121 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 46 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=105, Invalid=357, Unknown=0, NotChecked=0, Total=462 [2022-07-19 10:15:20,122 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 39 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 10:15:20,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 127 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 10:15:20,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-07-19 10:15:20,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 28. [2022-07-19 10:15:20,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 23 states have internal predecessors, (26), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-07-19 10:15:20,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2022-07-19 10:15:20,126 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 31 [2022-07-19 10:15:20,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 10:15:20,126 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2022-07-19 10:15:20,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 2.5384615384615383) internal successors, (33), 13 states have internal predecessors, (33), 5 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-07-19 10:15:20,126 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2022-07-19 10:15:20,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-07-19 10:15:20,127 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 10:15:20,129 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 10:15:20,147 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-19 10:15:20,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 10:15:20,340 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 10:15:20,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 10:15:20,340 INFO L85 PathProgramCache]: Analyzing trace with hash -1214758882, now seen corresponding path program 2 times [2022-07-19 10:15:20,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 10:15:20,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953725785] [2022-07-19 10:15:20,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 10:15:20,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 10:15:20,352 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-19 10:15:20,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [915146766] [2022-07-19 10:15:20,358 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-19 10:15:20,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 10:15:20,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 10:15:20,359 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 10:15:20,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-19 10:15:20,471 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-19 10:15:20,471 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-19 10:15:20,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-19 10:15:20,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 10:15:20,563 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-19 10:15:20,563 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 10:15:20,618 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-19 10:15:20,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 10:15:20,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953725785] [2022-07-19 10:15:20,619 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-19 10:15:20,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [915146766] [2022-07-19 10:15:20,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [915146766] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 10:15:20,620 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-19 10:15:20,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2022-07-19 10:15:20,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976884845] [2022-07-19 10:15:20,621 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-19 10:15:20,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-19 10:15:20,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 10:15:20,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-19 10:15:20,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2022-07-19 10:15:20,623 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-07-19 10:15:20,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 10:15:20,725 INFO L93 Difference]: Finished difference Result 40 states and 44 transitions. [2022-07-19 10:15:20,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-19 10:15:20,725 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 35 [2022-07-19 10:15:20,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 10:15:20,728 INFO L225 Difference]: With dead ends: 40 [2022-07-19 10:15:20,728 INFO L226 Difference]: Without dead ends: 36 [2022-07-19 10:15:20,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2022-07-19 10:15:20,732 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 54 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 10:15:20,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 78 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 10:15:20,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2022-07-19 10:15:20,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2022-07-19 10:15:20,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 30 states have (on average 1.1) internal successors, (33), 30 states have internal predecessors, (33), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-07-19 10:15:20,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 39 transitions. [2022-07-19 10:15:20,760 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 39 transitions. Word has length 35 [2022-07-19 10:15:20,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 10:15:20,760 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 39 transitions. [2022-07-19 10:15:20,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-07-19 10:15:20,760 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions. [2022-07-19 10:15:20,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-07-19 10:15:20,762 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 10:15:20,763 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 10:15:20,769 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-19 10:15:20,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 10:15:20,967 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 10:15:20,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 10:15:20,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1618850078, now seen corresponding path program 3 times [2022-07-19 10:15:20,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 10:15:20,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380896602] [2022-07-19 10:15:20,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 10:15:20,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 10:15:20,993 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-19 10:15:20,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [927341563] [2022-07-19 10:15:20,994 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-19 10:15:20,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 10:15:20,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 10:15:20,997 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 10:15:20,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-19 10:15:21,188 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2022-07-19 10:15:21,188 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-19 10:15:21,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 86 conjunts are in the unsatisfiable core [2022-07-19 10:15:21,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 10:15:21,243 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 10 treesize of output 8 [2022-07-19 10:15:21,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:21,282 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 37 [2022-07-19 10:15:21,288 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 16 treesize of output 15 [2022-07-19 10:15:21,293 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 33 treesize of output 32 [2022-07-19 10:15:21,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:21,381 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 39 [2022-07-19 10:15:21,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:21,389 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 18 treesize of output 22 [2022-07-19 10:15:21,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:21,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:21,398 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 39 treesize of output 44 [2022-07-19 10:15:21,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:21,462 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 50 [2022-07-19 10:15:21,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:21,484 INFO L356 Elim1Store]: treesize reduction 54, result has 23.9 percent of original size [2022-07-19 10:15:21,484 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 34 [2022-07-19 10:15:21,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:21,501 INFO L356 Elim1Store]: treesize reduction 53, result has 11.7 percent of original size [2022-07-19 10:15:21,502 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 60 [2022-07-19 10:15:22,697 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-07-19 10:15:22,698 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 1182 treesize of output 1097 [2022-07-19 10:15:22,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:22,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:22,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:22,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:22,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:22,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:22,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:22,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:22,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:22,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:22,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:22,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:22,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:22,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:22,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:22,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:22,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:22,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:22,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:23,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:23,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:23,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:23,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:23,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:23,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:23,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:23,064 INFO L244 Elim1Store]: Index analysis took 335 ms [2022-07-19 10:15:23,086 INFO L356 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2022-07-19 10:15:23,086 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 26 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 2 case distinctions, treesize of input 431 treesize of output 518 [2022-07-19 10:15:23,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:23,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:23,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:23,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:23,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:23,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:23,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:23,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:23,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:23,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:23,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:23,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:23,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:23,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:23,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:23,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:23,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:23,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:23,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:23,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:23,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:23,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:23,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:23,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:23,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:23,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:23,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:23,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:23,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:23,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:23,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:23,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:23,418 INFO L244 Elim1Store]: Index analysis took 271 ms [2022-07-19 10:15:23,483 INFO L356 Elim1Store]: treesize reduction 175, result has 0.6 percent of original size [2022-07-19 10:15:23,483 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 6 stores, 7 select indices, 7 select index equivalence classes, 32 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 6 case distinctions, treesize of input 667 treesize of output 1321 [2022-07-19 10:15:24,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:24,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:24,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:24,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:24,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:24,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:24,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:24,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:24,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:24,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:24,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:24,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:24,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:24,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:24,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:24,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:24,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:24,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:24,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:25,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:25,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:25,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:25,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:25,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:25,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:25,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:25,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:25,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:25,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:25,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:25,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:25,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:25,073 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-19 10:15:25,091 INFO L244 Elim1Store]: Index analysis took 244 ms [2022-07-19 10:15:25,345 INFO L356 Elim1Store]: treesize reduction 152, result has 0.7 percent of original size [2022-07-19 10:15:25,345 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 3 stores, 8 select indices, 8 select index equivalence classes, 32 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 5 case distinctions, treesize of input 764 treesize of output 823 [2022-07-19 10:15:25,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:25,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:25,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:25,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:25,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:25,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:25,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:25,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:25,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:25,783 INFO L356 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2022-07-19 10:15:25,789 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 122 treesize of output 74 [2022-07-19 10:15:25,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:25,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:25,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:25,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:25,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:25,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:25,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:25,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:25,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:25,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:25,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:25,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:25,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:25,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:25,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:25,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:25,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:25,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:25,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:25,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:25,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:25,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:25,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:25,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:25,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:25,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:25,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:25,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:25,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:25,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:25,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:25,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:25,898 INFO L356 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2022-07-19 10:15:25,898 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 3 stores, 7 select indices, 7 select index equivalence classes, 26 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 2 case distinctions, treesize of input 293 treesize of output 380 [2022-07-19 10:15:40,740 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-07-19 10:15:40,740 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 243 treesize of output 209 [2022-07-19 10:15:40,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:40,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:40,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:40,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:40,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:40,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:40,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:40,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:40,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:40,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:40,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:40,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:40,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:40,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:40,779 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-19 10:15:40,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:40,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:40,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:40,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:40,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:40,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:40,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:40,972 INFO L356 Elim1Store]: treesize reduction 12, result has 90.7 percent of original size [2022-07-19 10:15:40,972 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 13 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 95 treesize of output 169 [2022-07-19 10:15:41,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:41,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:41,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:41,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:41,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:41,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:41,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:41,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:41,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:41,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:41,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:41,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:41,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:15:41,245 INFO L356 Elim1Store]: treesize reduction 12, result has 90.7 percent of original size [2022-07-19 10:15:41,245 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 13 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 168 treesize of output 224 [2022-07-19 10:15:43,321 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 18 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-19 10:15:43,321 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 10:17:16,493 WARN L233 SmtUtils]: Spent 56.11s on a formula simplification that was a NOOP. DAG size: 216 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-07-19 10:19:40,614 WARN L855 $PredicateComparison]: unable to prove that (or (and (forall ((|aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_86_112| Int) (|aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| Int) (|aux_div_ULTIMATE.start_main_~index~0#1_86| Int)) (let ((.cse12 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_86_112|)) (.cse13 (* |aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 4294967296))) (let ((.cse3 (+ .cse12 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse13 (* |aux_div_ULTIMATE.start_main_~index~0#1_86| 4294967296))) (.cse2 (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse13)) (.cse0 (+ .cse12 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse13)) (.cse1 (* 4294967295 |c_ULTIMATE.start_main_~pivot~0#1|))) (or (< .cse0 .cse1) (< (+ 2147483647 |c_ULTIMATE.start_main_~pivot~0#1|) .cse2) (< .cse3 (* |c_ULTIMATE.start_main_~pivot~0#1| 4294967297)) (<= (+ .cse1 c_~ARR_SIZE~0) .cse3) (<= |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 2147483647) (<= 4294967296 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109|) (< .cse2 |c_ULTIMATE.start_main_~pivot~0#1|) (< (+ 2147483647 .cse1) .cse0) (= (let ((.cse8 (* (mod |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 4294967296) 4)) (.cse10 (* (mod (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse1) 4294967296) 4)) (.cse9 (* 4 (mod (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| |c_ULTIMATE.start_main_~pivot~0#1|) 4294967296)))) (let ((.cse6 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (let ((.cse11 (select |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base|))) (store .cse11 (+ .cse8 (- 17179869184) |c_ULTIMATE.start_main_~#array1~0#1.offset|) (+ (select .cse11 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| .cse10)) (select .cse11 (+ .cse9 |c_ULTIMATE.start_main_~#array1~0#1.offset|)))))))) (let ((.cse4 (let ((.cse7 (select .cse6 |c_ULTIMATE.start_main_~#array2~0#1.base|))) (store .cse7 (+ .cse8 (- 17179869184) |c_ULTIMATE.start_main_~#array2~0#1.offset|) (+ (select .cse7 (+ .cse9 |c_ULTIMATE.start_main_~#array2~0#1.offset|)) (select .cse7 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse10))))))) (let ((.cse5 (select (store .cse6 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse4) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse4 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| 8)) |c_ULTIMATE.start_main_~sum~0#1| (select .cse5 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| 8)) (select .cse4 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select .cse4 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| 4)) (select .cse5 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| 4)) (select .cse5 |c_ULTIMATE.start_main_~#array1~0#1.offset|)))))) 0))))) (forall ((|aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_86_112| Int) (|aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| Int) (|aux_div_ULTIMATE.start_main_~index~0#1_86| Int)) (let ((.cse27 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_86_112|)) (.cse26 (* |aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 4294967296))) (let ((.cse25 (+ .cse27 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse26 (* |aux_div_ULTIMATE.start_main_~index~0#1_86| 4294967296))) (.cse22 (* 4294967295 |c_ULTIMATE.start_main_~pivot~0#1|)) (.cse24 (+ .cse27 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse26)) (.cse23 (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse26))) (or (= 0 (let ((.cse18 (* (mod |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 4294967296) 4)) (.cse19 (* (mod (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse22) 4294967296) 4)) (.cse20 (* 4 (mod (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| |c_ULTIMATE.start_main_~pivot~0#1|) 4294967296)))) (let ((.cse16 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (let ((.cse21 (select |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base|))) (store .cse21 (+ .cse18 (- 17179869184) |c_ULTIMATE.start_main_~#array1~0#1.offset|) (+ (select .cse21 (+ (- 17179869184) |c_ULTIMATE.start_main_~#array1~0#1.offset| .cse19)) (select .cse21 (+ .cse20 |c_ULTIMATE.start_main_~#array1~0#1.offset|)))))))) (let ((.cse15 (let ((.cse17 (select .cse16 |c_ULTIMATE.start_main_~#array2~0#1.base|))) (store .cse17 (+ .cse18 (- 17179869184) |c_ULTIMATE.start_main_~#array2~0#1.offset|) (+ (select .cse17 (+ (- 17179869184) |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse19)) (select .cse17 (+ .cse20 |c_ULTIMATE.start_main_~#array2~0#1.offset|))))))) (let ((.cse14 (select (store .cse16 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse15) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse14 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| 8)) (select .cse15 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| 4)) (select .cse15 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| 8)) |c_ULTIMATE.start_main_~sum~0#1| (select .cse15 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select .cse14 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| 4)) (select .cse14 |c_ULTIMATE.start_main_~#array1~0#1.offset|))))))) (<= .cse23 (+ 2147483647 |c_ULTIMATE.start_main_~pivot~0#1|)) (< .cse24 .cse22) (< .cse25 (* |c_ULTIMATE.start_main_~pivot~0#1| 4294967297)) (<= (+ .cse22 c_~ARR_SIZE~0) .cse25) (<= |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 2147483647) (<= 4294967296 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109|) (< (+ 2147483647 .cse22) .cse24) (<= (+ |c_ULTIMATE.start_main_~pivot~0#1| 4294967296) .cse23))))) (forall ((|aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_86_112| Int) (|aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| Int) (|aux_div_ULTIMATE.start_main_~index~0#1_86| Int)) (let ((.cse40 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_86_112|)) (.cse41 (* |aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 4294967296))) (let ((.cse39 (+ .cse40 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse41 (* |aux_div_ULTIMATE.start_main_~index~0#1_86| 4294967296))) (.cse30 (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse41)) (.cse29 (* 4294967295 |c_ULTIMATE.start_main_~pivot~0#1|)) (.cse28 (+ .cse40 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse41))) (or (< .cse28 .cse29) (< (+ 2147483647 |c_ULTIMATE.start_main_~pivot~0#1|) .cse30) (< 2147483647 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109|) (= (let ((.cse35 (* (mod |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 4294967296) 4)) (.cse36 (* (mod (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse29) 4294967296) 4)) (.cse37 (* 4 (mod (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| |c_ULTIMATE.start_main_~pivot~0#1|) 4294967296)))) (let ((.cse33 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (let ((.cse38 (select |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base|))) (store .cse38 (+ .cse35 |c_ULTIMATE.start_main_~#array1~0#1.offset|) (+ (select .cse38 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| .cse36)) (select .cse38 (+ .cse37 |c_ULTIMATE.start_main_~#array1~0#1.offset|)))))))) (let ((.cse31 (let ((.cse34 (select .cse33 |c_ULTIMATE.start_main_~#array2~0#1.base|))) (store .cse34 (+ .cse35 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (+ (select .cse34 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse36)) (select .cse34 (+ .cse37 |c_ULTIMATE.start_main_~#array2~0#1.offset|))))))) (let ((.cse32 (select (store .cse33 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse31) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse31 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| 8)) (select .cse31 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| 4)) (select .cse32 |c_ULTIMATE.start_main_~#array1~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1| (select .cse31 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select .cse32 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| 4)) (select .cse32 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| 8))))))) 0) (< .cse39 (* |c_ULTIMATE.start_main_~pivot~0#1| 4294967297)) (<= (+ .cse29 c_~ARR_SIZE~0) .cse39) (< .cse30 |c_ULTIMATE.start_main_~pivot~0#1|) (< (+ 2147483647 .cse29) .cse28) (< |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 0))))) (forall ((|aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_86_112| Int) (|aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| Int) (|aux_div_ULTIMATE.start_main_~index~0#1_86| Int)) (let ((.cse55 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_86_112|)) (.cse54 (* |aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 4294967296))) (let ((.cse45 (+ .cse55 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse54 (* |aux_div_ULTIMATE.start_main_~index~0#1_86| 4294967296))) (.cse43 (+ .cse55 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse54)) (.cse42 (* 4294967295 |c_ULTIMATE.start_main_~pivot~0#1|)) (.cse44 (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse54))) (or (<= (+ .cse42 4294967296) .cse43) (<= .cse44 (+ 2147483647 |c_ULTIMATE.start_main_~pivot~0#1|)) (< .cse45 (* |c_ULTIMATE.start_main_~pivot~0#1| 4294967297)) (<= (+ .cse42 c_~ARR_SIZE~0) .cse45) (<= |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 2147483647) (<= .cse43 (+ 2147483647 .cse42)) (<= 4294967296 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109|) (= (let ((.cse50 (* (mod |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 4294967296) 4)) (.cse52 (* 4 (mod (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| |c_ULTIMATE.start_main_~pivot~0#1|) 4294967296))) (.cse51 (* (mod (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse42) 4294967296) 4))) (let ((.cse48 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (let ((.cse53 (select |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base|))) (store .cse53 (+ .cse50 (- 17179869184) |c_ULTIMATE.start_main_~#array1~0#1.offset|) (+ (select .cse53 (+ .cse52 (- 17179869184) |c_ULTIMATE.start_main_~#array1~0#1.offset|)) (select .cse53 (+ (- 17179869184) |c_ULTIMATE.start_main_~#array1~0#1.offset| .cse51)))))))) (let ((.cse46 (let ((.cse49 (select .cse48 |c_ULTIMATE.start_main_~#array2~0#1.base|))) (store .cse49 (+ .cse50 (- 17179869184) |c_ULTIMATE.start_main_~#array2~0#1.offset|) (+ (select .cse49 (+ (- 17179869184) |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse51)) (select .cse49 (+ .cse52 (- 17179869184) |c_ULTIMATE.start_main_~#array2~0#1.offset|))))))) (let ((.cse47 (select (store .cse48 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse46) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse46 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| 4)) (select .cse47 |c_ULTIMATE.start_main_~#array1~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1| (select .cse47 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| 4)) (select .cse46 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| 8)) (select .cse46 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select .cse47 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| 8))))))) 0) (<= (+ |c_ULTIMATE.start_main_~pivot~0#1| 4294967296) .cse44))))) (forall ((|aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_86_112| Int) (|aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| Int) (|aux_div_ULTIMATE.start_main_~index~0#1_86| Int)) (let ((.cse69 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_86_112|)) (.cse68 (* |aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 4294967296))) (let ((.cse59 (+ .cse69 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse68 (* |aux_div_ULTIMATE.start_main_~index~0#1_86| 4294967296))) (.cse57 (+ .cse69 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse68)) (.cse58 (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse68)) (.cse56 (* 4294967295 |c_ULTIMATE.start_main_~pivot~0#1|))) (or (<= (+ .cse56 4294967296) .cse57) (< (+ 2147483647 |c_ULTIMATE.start_main_~pivot~0#1|) .cse58) (< 2147483647 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109|) (< .cse59 (* |c_ULTIMATE.start_main_~pivot~0#1| 4294967297)) (<= (+ .cse56 c_~ARR_SIZE~0) .cse59) (<= .cse57 (+ 2147483647 .cse56)) (< .cse58 |c_ULTIMATE.start_main_~pivot~0#1|) (< |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 0) (= (let ((.cse64 (* (mod |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 4294967296) 4)) (.cse66 (* (mod (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse56) 4294967296) 4)) (.cse65 (* 4 (mod (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| |c_ULTIMATE.start_main_~pivot~0#1|) 4294967296)))) (let ((.cse62 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (let ((.cse67 (select |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base|))) (store .cse67 (+ .cse64 |c_ULTIMATE.start_main_~#array1~0#1.offset|) (+ (select .cse67 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| .cse66)) (select .cse67 (+ .cse65 (- 17179869184) |c_ULTIMATE.start_main_~#array1~0#1.offset|)))))))) (let ((.cse60 (let ((.cse63 (select .cse62 |c_ULTIMATE.start_main_~#array2~0#1.base|))) (store .cse63 (+ .cse64 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (+ (select .cse63 (+ .cse65 (- 17179869184) |c_ULTIMATE.start_main_~#array2~0#1.offset|)) (select .cse63 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse66))))))) (let ((.cse61 (select (store .cse62 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse60) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse60 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| 8)) |c_ULTIMATE.start_main_~sum~0#1| (select .cse60 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select .cse61 |c_ULTIMATE.start_main_~#array1~0#1.offset|) (select .cse61 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| 4)) (select .cse61 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| 8)) (select .cse60 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| 4))))))) 0))))) (forall ((|aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_86_112| Int) (|aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| Int) (|aux_div_ULTIMATE.start_main_~index~0#1_86| Int)) (let ((.cse83 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_86_112|)) (.cse82 (* |aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 4294967296))) (let ((.cse81 (+ .cse83 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse82 (* |aux_div_ULTIMATE.start_main_~index~0#1_86| 4294967296))) (.cse71 (+ .cse83 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse82)) (.cse70 (* 4294967295 |c_ULTIMATE.start_main_~pivot~0#1|)) (.cse72 (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse82))) (or (<= (+ .cse70 4294967296) .cse71) (<= .cse72 (+ 2147483647 |c_ULTIMATE.start_main_~pivot~0#1|)) (< 2147483647 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109|) (= (let ((.cse77 (* (mod |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 4294967296) 4)) (.cse78 (* 4 (mod (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| |c_ULTIMATE.start_main_~pivot~0#1|) 4294967296))) (.cse79 (* (mod (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse70) 4294967296) 4))) (let ((.cse75 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (let ((.cse80 (select |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base|))) (store .cse80 (+ .cse77 |c_ULTIMATE.start_main_~#array1~0#1.offset|) (+ (select .cse80 (+ .cse78 (- 17179869184) |c_ULTIMATE.start_main_~#array1~0#1.offset|)) (select .cse80 (+ (- 17179869184) |c_ULTIMATE.start_main_~#array1~0#1.offset| .cse79)))))))) (let ((.cse74 (let ((.cse76 (select .cse75 |c_ULTIMATE.start_main_~#array2~0#1.base|))) (store .cse76 (+ .cse77 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (+ (select .cse76 (+ .cse78 (- 17179869184) |c_ULTIMATE.start_main_~#array2~0#1.offset|)) (select .cse76 (+ (- 17179869184) |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse79))))))) (let ((.cse73 (select (store .cse75 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse74) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse73 |c_ULTIMATE.start_main_~#array1~0#1.offset|) (select .cse74 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| 8)) (select .cse74 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select .cse73 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| 8)) (select .cse73 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| 4)) |c_ULTIMATE.start_main_~sum~0#1| (select .cse74 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| 4))))))) 0) (< .cse81 (* |c_ULTIMATE.start_main_~pivot~0#1| 4294967297)) (<= (+ .cse70 c_~ARR_SIZE~0) .cse81) (<= .cse71 (+ 2147483647 .cse70)) (< |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 0) (<= (+ |c_ULTIMATE.start_main_~pivot~0#1| 4294967296) .cse72))))) (forall ((|aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_86_112| Int) (|aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| Int) (|aux_div_ULTIMATE.start_main_~index~0#1_86| Int)) (let ((.cse97 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_86_112|)) (.cse96 (* |aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 4294967296))) (let ((.cse87 (+ .cse97 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse96 (* |aux_div_ULTIMATE.start_main_~index~0#1_86| 4294967296))) (.cse86 (* 4294967295 |c_ULTIMATE.start_main_~pivot~0#1|)) (.cse85 (+ .cse97 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse96)) (.cse84 (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse96))) (or (<= .cse84 (+ 2147483647 |c_ULTIMATE.start_main_~pivot~0#1|)) (< .cse85 .cse86) (< 2147483647 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109|) (< .cse87 (* |c_ULTIMATE.start_main_~pivot~0#1| 4294967297)) (<= (+ .cse86 c_~ARR_SIZE~0) .cse87) (= (let ((.cse92 (* (mod |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 4294967296) 4)) (.cse94 (* (mod (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse86) 4294967296) 4)) (.cse93 (* 4 (mod (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| |c_ULTIMATE.start_main_~pivot~0#1|) 4294967296)))) (let ((.cse90 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (let ((.cse95 (select |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base|))) (store .cse95 (+ .cse92 |c_ULTIMATE.start_main_~#array1~0#1.offset|) (+ (select .cse95 (+ (- 17179869184) |c_ULTIMATE.start_main_~#array1~0#1.offset| .cse94)) (select .cse95 (+ .cse93 |c_ULTIMATE.start_main_~#array1~0#1.offset|)))))))) (let ((.cse89 (let ((.cse91 (select .cse90 |c_ULTIMATE.start_main_~#array2~0#1.base|))) (store .cse91 (+ .cse92 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (+ (select .cse91 (+ .cse93 |c_ULTIMATE.start_main_~#array2~0#1.offset|)) (select .cse91 (+ (- 17179869184) |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse94))))))) (let ((.cse88 (select (store .cse90 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse89) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse88 |c_ULTIMATE.start_main_~#array1~0#1.offset|) (select .cse89 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| 8)) |c_ULTIMATE.start_main_~sum~0#1| (select .cse89 |c_ULTIMATE.start_main_~#array2~0#1.offset|) (select .cse88 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| 4)) (select .cse89 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| 4)) (select .cse88 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| 8))))))) 0) (< (+ 2147483647 .cse86) .cse85) (< |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 0) (<= (+ |c_ULTIMATE.start_main_~pivot~0#1| 4294967296) .cse84))))) (forall ((|aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_86_112| Int) (|aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| Int) (|aux_div_ULTIMATE.start_main_~index~0#1_86| Int)) (let ((.cse111 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~index~0#1_86_112|)) (.cse110 (* |aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 4294967296))) (let ((.cse101 (+ .cse111 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse110 (* |aux_div_ULTIMATE.start_main_~index~0#1_86| 4294967296))) (.cse99 (+ .cse111 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse110)) (.cse100 (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse110)) (.cse98 (* 4294967295 |c_ULTIMATE.start_main_~pivot~0#1|))) (or (<= (+ .cse98 4294967296) .cse99) (< (+ 2147483647 |c_ULTIMATE.start_main_~pivot~0#1|) .cse100) (< .cse101 (* |c_ULTIMATE.start_main_~pivot~0#1| 4294967297)) (<= (+ .cse98 c_~ARR_SIZE~0) .cse101) (<= |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 2147483647) (<= .cse99 (+ 2147483647 .cse98)) (<= 4294967296 |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109|) (< .cse100 |c_ULTIMATE.start_main_~pivot~0#1|) (= (let ((.cse106 (* (mod |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| 4294967296) 4)) (.cse107 (* (mod (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| .cse98) 4294967296) 4)) (.cse108 (* 4 (mod (+ |aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~index~0#1_86_112_109| |c_ULTIMATE.start_main_~pivot~0#1|) 4294967296)))) (let ((.cse104 (store |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base| (let ((.cse109 (select |c_#memory_int| |c_ULTIMATE.start_main_~#array1~0#1.base|))) (store .cse109 (+ .cse106 (- 17179869184) |c_ULTIMATE.start_main_~#array1~0#1.offset|) (+ (select .cse109 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| .cse107)) (select .cse109 (+ .cse108 (- 17179869184) |c_ULTIMATE.start_main_~#array1~0#1.offset|)))))))) (let ((.cse103 (let ((.cse105 (select .cse104 |c_ULTIMATE.start_main_~#array2~0#1.base|))) (store .cse105 (+ .cse106 (- 17179869184) |c_ULTIMATE.start_main_~#array2~0#1.offset|) (+ (select .cse105 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| .cse107)) (select .cse105 (+ .cse108 (- 17179869184) |c_ULTIMATE.start_main_~#array2~0#1.offset|))))))) (let ((.cse102 (select (store .cse104 |c_ULTIMATE.start_main_~#array2~0#1.base| .cse103) |c_ULTIMATE.start_main_~#array1~0#1.base|))) (+ (select .cse102 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| 8)) (select .cse102 (+ |c_ULTIMATE.start_main_~#array1~0#1.offset| 4)) |c_ULTIMATE.start_main_~sum~0#1| (select .cse103 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| 4)) (select .cse102 |c_ULTIMATE.start_main_~#array1~0#1.offset|) (select .cse103 (+ |c_ULTIMATE.start_main_~#array2~0#1.offset| 8)) (select .cse103 |c_ULTIMATE.start_main_~#array2~0#1.offset|)))))) 0)))))) (< 3 c_~ARR_SIZE~0)) is different from true [2022-07-19 10:19:40,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 10:19:40,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380896602] [2022-07-19 10:19:40,618 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-19 10:19:40,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [927341563] [2022-07-19 10:19:40,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [927341563] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 10:19:40,618 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-07-19 10:19:40,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2022-07-19 10:19:40,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630752131] [2022-07-19 10:19:40,619 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-07-19 10:19:40,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-07-19 10:19:40,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 10:19:40,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-07-19 10:19:40,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=890, Unknown=8, NotChecked=62, Total=1122 [2022-07-19 10:19:40,620 INFO L87 Difference]: Start difference. First operand 36 states and 39 transitions. Second operand has 24 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 21 states have internal predecessors, (30), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-07-19 10:19:40,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 10:19:40,711 INFO L93 Difference]: Finished difference Result 63 states and 71 transitions. [2022-07-19 10:19:40,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-07-19 10:19:40,712 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 21 states have internal predecessors, (30), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 39 [2022-07-19 10:19:40,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 10:19:40,713 INFO L225 Difference]: With dead ends: 63 [2022-07-19 10:19:40,713 INFO L226 Difference]: Without dead ends: 59 [2022-07-19 10:19:40,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 17 SyntacticMatches, 3 SemanticMatches, 32 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 388 ImplicationChecksByTransitivity, 90.5s TimeCoverageRelationStatistics Valid=162, Invalid=890, Unknown=8, NotChecked=62, Total=1122 [2022-07-19 10:19:40,714 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 9 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 132 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 10:19:40,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 210 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 71 Invalid, 0 Unknown, 132 Unchecked, 0.1s Time] [2022-07-19 10:19:40,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-07-19 10:19:40,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 50. [2022-07-19 10:19:40,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 41 states have (on average 1.1219512195121952) internal successors, (46), 41 states have internal predecessors, (46), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-07-19 10:19:40,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 56 transitions. [2022-07-19 10:19:40,721 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 56 transitions. Word has length 39 [2022-07-19 10:19:40,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 10:19:40,721 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 56 transitions. [2022-07-19 10:19:40,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 21 states have internal predecessors, (30), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-07-19 10:19:40,721 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 56 transitions. [2022-07-19 10:19:40,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-07-19 10:19:40,722 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 10:19:40,722 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 10:19:40,727 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-19 10:19:40,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 10:19:40,928 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 10:19:40,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 10:19:40,929 INFO L85 PathProgramCache]: Analyzing trace with hash -883530364, now seen corresponding path program 4 times [2022-07-19 10:19:40,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 10:19:40,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713111351] [2022-07-19 10:19:40,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 10:19:40,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 10:19:40,956 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-19 10:19:40,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [824452199] [2022-07-19 10:19:40,956 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-07-19 10:19:40,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 10:19:40,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 10:19:40,959 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 10:19:40,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-19 10:19:41,021 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-07-19 10:19:41,021 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-19 10:19:41,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-19 10:19:41,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 10:19:41,125 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 24 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-19 10:19:41,125 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 10:19:41,186 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-19 10:19:41,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 10:19:41,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713111351] [2022-07-19 10:19:41,187 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-19 10:19:41,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [824452199] [2022-07-19 10:19:41,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [824452199] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 10:19:41,187 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-19 10:19:41,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 15 [2022-07-19 10:19:41,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189751326] [2022-07-19 10:19:41,188 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-19 10:19:41,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-19 10:19:41,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 10:19:41,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-19 10:19:41,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2022-07-19 10:19:41,189 INFO L87 Difference]: Start difference. First operand 50 states and 56 transitions. Second operand has 15 states, 15 states have (on average 2.6666666666666665) internal successors, (40), 15 states have internal predecessors, (40), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-19 10:19:41,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 10:19:41,328 INFO L93 Difference]: Finished difference Result 90 states and 98 transitions. [2022-07-19 10:19:41,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-19 10:19:41,329 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.6666666666666665) internal successors, (40), 15 states have internal predecessors, (40), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 41 [2022-07-19 10:19:41,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 10:19:41,329 INFO L225 Difference]: With dead ends: 90 [2022-07-19 10:19:41,329 INFO L226 Difference]: Without dead ends: 76 [2022-07-19 10:19:41,330 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=110, Invalid=270, Unknown=0, NotChecked=0, Total=380 [2022-07-19 10:19:41,330 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 68 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 10:19:41,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 123 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 10:19:41,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-07-19 10:19:41,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 64. [2022-07-19 10:19:41,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 52 states have (on average 1.0961538461538463) internal successors, (57), 52 states have internal predecessors, (57), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-07-19 10:19:41,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 71 transitions. [2022-07-19 10:19:41,338 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 71 transitions. Word has length 41 [2022-07-19 10:19:41,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 10:19:41,339 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 71 transitions. [2022-07-19 10:19:41,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.6666666666666665) internal successors, (40), 15 states have internal predecessors, (40), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-19 10:19:41,339 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 71 transitions. [2022-07-19 10:19:41,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-07-19 10:19:41,340 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 10:19:41,340 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 10:19:41,359 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-19 10:19:41,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 10:19:41,540 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 10:19:41,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 10:19:41,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1811508960, now seen corresponding path program 5 times [2022-07-19 10:19:41,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 10:19:41,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043876598] [2022-07-19 10:19:41,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 10:19:41,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 10:19:41,549 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-19 10:19:41,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1666917439] [2022-07-19 10:19:41,549 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-07-19 10:19:41,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 10:19:41,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 10:19:41,556 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 10:19:41,564 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-19 10:19:41,668 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2022-07-19 10:19:41,668 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-19 10:19:41,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-19 10:19:41,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 10:19:41,764 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 17 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-19 10:19:41,764 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 10:19:41,825 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-19 10:19:41,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 10:19:41,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043876598] [2022-07-19 10:19:41,825 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-19 10:19:41,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1666917439] [2022-07-19 10:19:41,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1666917439] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 10:19:41,825 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-19 10:19:41,826 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 15 [2022-07-19 10:19:41,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726372343] [2022-07-19 10:19:41,826 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-19 10:19:41,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-19 10:19:41,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 10:19:41,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-19 10:19:41,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2022-07-19 10:19:41,827 INFO L87 Difference]: Start difference. First operand 64 states and 71 transitions. Second operand has 15 states, 15 states have (on average 2.6666666666666665) internal successors, (40), 15 states have internal predecessors, (40), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-19 10:19:42,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 10:19:42,033 INFO L93 Difference]: Finished difference Result 75 states and 81 transitions. [2022-07-19 10:19:42,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-19 10:19:42,034 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.6666666666666665) internal successors, (40), 15 states have internal predecessors, (40), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 41 [2022-07-19 10:19:42,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 10:19:42,034 INFO L225 Difference]: With dead ends: 75 [2022-07-19 10:19:42,034 INFO L226 Difference]: Without dead ends: 71 [2022-07-19 10:19:42,035 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=149, Invalid=403, Unknown=0, NotChecked=0, Total=552 [2022-07-19 10:19:42,035 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 40 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 10:19:42,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 161 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 10:19:42,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2022-07-19 10:19:42,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 66. [2022-07-19 10:19:42,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 54 states have (on average 1.0925925925925926) internal successors, (59), 54 states have internal predecessors, (59), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-07-19 10:19:42,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 73 transitions. [2022-07-19 10:19:42,043 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 73 transitions. Word has length 41 [2022-07-19 10:19:42,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 10:19:42,043 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 73 transitions. [2022-07-19 10:19:42,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.6666666666666665) internal successors, (40), 15 states have internal predecessors, (40), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-19 10:19:42,044 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 73 transitions. [2022-07-19 10:19:42,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-07-19 10:19:42,044 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 10:19:42,045 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 10:19:42,064 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-19 10:19:42,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 10:19:42,245 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 10:19:42,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 10:19:42,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1451589122, now seen corresponding path program 6 times [2022-07-19 10:19:42,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 10:19:42,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133144842] [2022-07-19 10:19:42,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 10:19:42,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 10:19:42,255 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-19 10:19:42,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [230180289] [2022-07-19 10:19:42,256 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-07-19 10:19:42,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 10:19:42,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 10:19:42,257 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 10:19:42,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-19 10:19:42,625 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2022-07-19 10:19:42,625 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-19 10:19:42,628 WARN L261 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 100 conjunts are in the unsatisfiable core [2022-07-19 10:19:42,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 10:19:42,653 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 10 treesize of output 8 [2022-07-19 10:19:42,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:42,688 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 37 [2022-07-19 10:19:42,692 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 34 treesize of output 34 [2022-07-19 10:19:42,696 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 14 treesize of output 13 [2022-07-19 10:19:42,700 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 16 treesize of output 15 [2022-07-19 10:19:42,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:42,775 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 47 [2022-07-19 10:19:42,779 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 41 treesize of output 39 [2022-07-19 10:19:42,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:42,785 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 20 treesize of output 24 [2022-07-19 10:19:42,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:42,795 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 22 treesize of output 26 [2022-07-19 10:19:42,898 INFO L356 Elim1Store]: treesize reduction 34, result has 12.8 percent of original size [2022-07-19 10:19:42,898 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 123 treesize of output 102 [2022-07-19 10:19:42,906 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 42 treesize of output 45 [2022-07-19 10:19:42,920 INFO L356 Elim1Store]: treesize reduction 51, result has 8.9 percent of original size [2022-07-19 10:19:42,921 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 73 treesize of output 82 [2022-07-19 10:19:42,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:42,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:42,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:42,933 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 43 [2022-07-19 10:19:42,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:42,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:42,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:42,946 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 38 treesize of output 47 [2022-07-19 10:19:43,135 INFO L356 Elim1Store]: treesize reduction 40, result has 11.1 percent of original size [2022-07-19 10:19:43,136 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 287 treesize of output 224 [2022-07-19 10:19:43,151 INFO L356 Elim1Store]: treesize reduction 64, result has 7.2 percent of original size [2022-07-19 10:19:43,151 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 235 treesize of output 214 [2022-07-19 10:19:43,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:43,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:43,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:43,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:43,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:43,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:43,165 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 135 treesize of output 149 [2022-07-19 10:19:43,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:43,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:43,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:43,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:43,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:43,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:43,176 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 190 treesize of output 148 [2022-07-19 10:19:43,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:43,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:43,184 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-19 10:19:43,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:43,185 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 136 [2022-07-19 10:19:43,193 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 18 treesize of output 17 [2022-07-19 10:19:44,607 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-07-19 10:19:44,608 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 1125 treesize of output 1016 [2022-07-19 10:19:44,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:44,663 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 382 treesize of output 294 [2022-07-19 10:19:44,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:44,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:44,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:44,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:44,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:44,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:44,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:44,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:44,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:44,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:44,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:44,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:44,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:44,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:44,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:44,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:44,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:44,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:44,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:44,903 INFO L244 Elim1Store]: Index analysis took 204 ms [2022-07-19 10:19:44,991 INFO L356 Elim1Store]: treesize reduction 360, result has 0.3 percent of original size [2022-07-19 10:19:44,992 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 4 stores, 6 select indices, 6 select index equivalence classes, 19 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 488 treesize of output 706 [2022-07-19 10:19:45,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:45,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:45,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:45,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:45,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:45,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:45,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:45,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:45,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:45,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:45,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:45,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:45,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:45,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:45,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:45,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:45,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:45,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:45,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:45,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:45,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:45,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:45,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:45,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:45,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:45,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:45,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:45,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:45,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:45,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:45,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:45,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:45,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:45,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:45,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:45,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:45,277 INFO L244 Elim1Store]: Index analysis took 247 ms [2022-07-19 10:19:45,430 INFO L356 Elim1Store]: treesize reduction 348, result has 0.3 percent of original size [2022-07-19 10:19:45,430 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 4 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 12 new quantified variables, introduced 12 case distinctions, treesize of input 591 treesize of output 893 [2022-07-19 10:19:45,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:45,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:45,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:45,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:45,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:45,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:45,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:45,610 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-19 10:19:45,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:45,621 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 174 treesize of output 156 [2022-07-19 10:19:46,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:46,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:46,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:46,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:46,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:46,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:46,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:46,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:46,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:46,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:46,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:46,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:46,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:46,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:46,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:46,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:46,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:46,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:46,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:46,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:46,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:46,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:46,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:46,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:46,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:46,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:46,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:46,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:46,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:46,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:46,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:46,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:46,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:46,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:46,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:46,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:46,706 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-19 10:19:46,723 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-19 10:19:46,723 INFO L244 Elim1Store]: Index analysis took 384 ms [2022-07-19 10:19:47,297 INFO L356 Elim1Store]: treesize reduction 396, result has 0.3 percent of original size [2022-07-19 10:19:47,298 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 3 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 12 case distinctions, treesize of input 301 treesize of output 422 [2022-07-19 10:19:48,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:48,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:48,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:48,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:48,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:48,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:48,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:48,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:48,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:48,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:48,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:48,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:49,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:49,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:49,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:49,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:49,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:49,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:49,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:49,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:49,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:49,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:49,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:49,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:49,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:49,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:49,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:49,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:49,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 10:19:49,173 INFO L244 Elim1Store]: Index analysis took 284 ms [2022-07-19 10:19:49,440 INFO L356 Elim1Store]: treesize reduction 192, result has 19.3 percent of original size [2022-07-19 10:19:49,440 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 29 disjoint index pairs (out of 28 index pairs), introduced 9 new quantified variables, introduced 7 case distinctions, treesize of input 747 treesize of output 679