./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/reducercommutativity/avg10-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 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/reducercommutativity/avg10-2.i -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 431bc26901e3cf271c74e4f10a5bc241d4509dbbafd99aaf0126c46ffc8b7c33 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-20 20:59:25,670 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 20:59:25,672 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 20:59:25,707 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 20:59:25,707 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 20:59:25,708 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 20:59:25,709 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 20:59:25,710 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 20:59:25,711 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 20:59:25,712 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 20:59:25,713 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 20:59:25,713 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 20:59:25,714 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 20:59:25,714 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 20:59:25,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 20:59:25,716 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 20:59:25,716 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 20:59:25,717 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 20:59:25,718 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 20:59:25,719 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 20:59:25,723 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 20:59:25,725 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 20:59:25,725 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 20:59:25,726 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 20:59:25,727 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 20:59:25,728 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 20:59:25,729 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 20:59:25,729 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 20:59:25,729 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 20:59:25,730 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 20:59:25,730 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 20:59:25,730 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 20:59:25,731 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 20:59:25,731 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 20:59:25,732 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 20:59:25,732 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 20:59:25,733 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 20:59:25,733 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 20:59:25,733 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 20:59:25,733 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 20:59:25,734 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 20:59:25,739 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 20:59:25,739 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-20 20:59:25,763 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 20:59:25,764 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 20:59:25,764 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 20:59:25,764 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 20:59:25,765 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 20:59:25,765 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 20:59:25,765 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 20:59:25,766 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 20:59:25,766 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 20:59:25,766 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 20:59:25,767 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-20 20:59:25,767 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 20:59:25,767 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-20 20:59:25,767 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 20:59:25,767 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 20:59:25,767 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 20:59:25,767 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 20:59:25,768 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-20 20:59:25,768 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 20:59:25,768 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 20:59:25,768 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 20:59:25,768 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 20:59:25,768 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 20:59:25,769 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 20:59:25,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 20:59:25,769 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 20:59:25,769 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 20:59:25,769 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 20:59:25,769 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 20:59:25,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 20:59:25,770 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 20:59:25,770 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 20:59:25,770 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 20:59:25,770 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 431bc26901e3cf271c74e4f10a5bc241d4509dbbafd99aaf0126c46ffc8b7c33 [2022-07-20 20:59:25,978 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 20:59:25,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 20:59:25,999 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 20:59:26,000 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 20:59:26,001 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 20:59:26,002 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/reducercommutativity/avg10-2.i [2022-07-20 20:59:26,060 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b60c0f70b/fcb05895c1f2412eb10627d37b24607b/FLAGdd77f7b2e [2022-07-20 20:59:26,422 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 20:59:26,422 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/avg10-2.i [2022-07-20 20:59:26,432 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b60c0f70b/fcb05895c1f2412eb10627d37b24607b/FLAGdd77f7b2e [2022-07-20 20:59:26,442 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b60c0f70b/fcb05895c1f2412eb10627d37b24607b [2022-07-20 20:59:26,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 20:59:26,445 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 20:59:26,447 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 20:59:26,447 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 20:59:26,450 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 20:59:26,450 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 08:59:26" (1/1) ... [2022-07-20 20:59:26,451 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a209d8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 08:59:26, skipping insertion in model container [2022-07-20 20:59:26,451 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 08:59:26" (1/1) ... [2022-07-20 20:59:26,456 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 20:59:26,468 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 20:59:26,619 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/reducercommutativity/avg10-2.i[1282,1295] [2022-07-20 20:59:26,622 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 20:59:26,629 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 20:59:26,662 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/reducercommutativity/avg10-2.i[1282,1295] [2022-07-20 20:59:26,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 20:59:26,677 INFO L208 MainTranslator]: Completed translation [2022-07-20 20:59:26,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 08:59:26 WrapperNode [2022-07-20 20:59:26,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 20:59:26,678 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 20:59:26,679 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 20:59:26,679 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 20:59:26,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 08:59:26" (1/1) ... [2022-07-20 20:59:26,697 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 08:59:26" (1/1) ... [2022-07-20 20:59:26,716 INFO L137 Inliner]: procedures = 16, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 67 [2022-07-20 20:59:26,716 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 20:59:26,718 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 20:59:26,718 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 20:59:26,718 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 20:59:26,725 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 08:59:26" (1/1) ... [2022-07-20 20:59:26,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 08:59:26" (1/1) ... [2022-07-20 20:59:26,730 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 08:59:26" (1/1) ... [2022-07-20 20:59:26,730 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 08:59:26" (1/1) ... [2022-07-20 20:59:26,745 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 08:59:26" (1/1) ... [2022-07-20 20:59:26,749 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 08:59:26" (1/1) ... [2022-07-20 20:59:26,758 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 08:59:26" (1/1) ... [2022-07-20 20:59:26,761 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 20:59:26,762 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 20:59:26,762 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 20:59:26,762 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 20:59:26,763 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 08:59:26" (1/1) ... [2022-07-20 20:59:26,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 20:59:26,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 20:59:26,785 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) [2022-07-20 20:59:26,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 20:59:26,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 20:59:26,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 20:59:26,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-20 20:59:26,818 INFO L130 BoogieDeclarations]: Found specification of procedure avg [2022-07-20 20:59:26,818 INFO L138 BoogieDeclarations]: Found implementation of procedure avg [2022-07-20 20:59:26,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 20:59:26,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 20:59:26,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-20 20:59:26,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 20:59:26,810 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 [2022-07-20 20:59:26,874 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 20:59:26,876 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 20:59:27,027 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 20:59:27,043 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 20:59:27,043 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-07-20 20:59:27,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 08:59:27 BoogieIcfgContainer [2022-07-20 20:59:27,045 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 20:59:27,046 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 20:59:27,046 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 20:59:27,049 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 20:59:27,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 08:59:26" (1/3) ... [2022-07-20 20:59:27,050 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52bc483c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 08:59:27, skipping insertion in model container [2022-07-20 20:59:27,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 08:59:26" (2/3) ... [2022-07-20 20:59:27,050 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52bc483c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 08:59:27, skipping insertion in model container [2022-07-20 20:59:27,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 08:59:27" (3/3) ... [2022-07-20 20:59:27,051 INFO L111 eAbstractionObserver]: Analyzing ICFG avg10-2.i [2022-07-20 20:59:27,062 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 20:59:27,075 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 20:59:27,122 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 20:59:27,136 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@7fb265d8, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@44ec1b09 [2022-07-20 20:59:27,136 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 20:59:27,140 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 20 states have (on average 1.4) internal successors, (28), 21 states have internal predecessors, (28), 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) [2022-07-20 20:59:27,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-07-20 20:59:27,146 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 20:59:27,146 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 20:59:27,147 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 20:59:27,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 20:59:27,151 INFO L85 PathProgramCache]: Analyzing trace with hash -2001158789, now seen corresponding path program 1 times [2022-07-20 20:59:27,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 20:59:27,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005107377] [2022-07-20 20:59:27,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 20:59:27,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 20:59:27,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 20:59:27,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 20:59:27,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 20:59:27,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 20:59:27,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 20:59:27,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-20 20:59:27,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 20:59:27,398 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-07-20 20:59:27,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 20:59:27,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005107377] [2022-07-20 20:59:27,401 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005107377] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 20:59:27,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [695970600] [2022-07-20 20:59:27,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 20:59:27,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 20:59:27,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 20:59:27,420 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) [2022-07-20 20:59:27,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-20 20:59:27,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 20:59:27,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 20:59:27,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 20:59:27,527 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-20 20:59:27,527 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 20:59:27,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [695970600] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 20:59:27,528 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 20:59:27,528 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-07-20 20:59:27,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887237388] [2022-07-20 20:59:27,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 20:59:27,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 20:59:27,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 20:59:27,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 20:59:27,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-20 20:59:27,560 INFO L87 Difference]: Start difference. First operand has 26 states, 20 states have (on average 1.4) internal successors, (28), 21 states have internal predecessors, (28), 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 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-20 20:59:27,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 20:59:27,589 INFO L93 Difference]: Finished difference Result 50 states and 69 transitions. [2022-07-20 20:59:27,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 20:59:27,592 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 28 [2022-07-20 20:59:27,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 20:59:27,598 INFO L225 Difference]: With dead ends: 50 [2022-07-20 20:59:27,599 INFO L226 Difference]: Without dead ends: 24 [2022-07-20 20:59:27,602 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-20 20:59:27,606 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 1 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 20:59:27,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 54 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 20:59:27,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-07-20 20:59:27,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2022-07-20 20:59:27,635 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) [2022-07-20 20:59:27,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2022-07-20 20:59:27,638 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 28 [2022-07-20 20:59:27,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 20:59:27,639 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2022-07-20 20:59:27,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-20 20:59:27,640 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2022-07-20 20:59:27,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-07-20 20:59:27,641 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 20:59:27,641 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 20:59:27,662 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-20 20:59:27,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-07-20 20:59:27,856 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 20:59:27,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 20:59:27,856 INFO L85 PathProgramCache]: Analyzing trace with hash 202333565, now seen corresponding path program 1 times [2022-07-20 20:59:27,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 20:59:27,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101466298] [2022-07-20 20:59:27,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 20:59:27,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 20:59:27,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 20:59:27,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 20:59:27,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 20:59:27,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-20 20:59:27,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 20:59:27,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-20 20:59:27,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 20:59:27,940 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-20 20:59:27,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 20:59:27,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101466298] [2022-07-20 20:59:27,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101466298] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 20:59:27,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1506391459] [2022-07-20 20:59:27,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 20:59:27,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 20:59:27,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 20:59:27,943 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) [2022-07-20 20:59:27,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-20 20:59:28,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 20:59:28,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 20:59:28,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 20:59:28,011 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-20 20:59:28,011 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 20:59:28,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1506391459] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 20:59:28,012 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 20:59:28,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-07-20 20:59:28,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807537175] [2022-07-20 20:59:28,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 20:59:28,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 20:59:28,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 20:59:28,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 20:59:28,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-20 20:59:28,014 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-20 20:59:28,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 20:59:28,024 INFO L93 Difference]: Finished difference Result 42 states and 52 transitions. [2022-07-20 20:59:28,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 20:59:28,024 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 30 [2022-07-20 20:59:28,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 20:59:28,025 INFO L225 Difference]: With dead ends: 42 [2022-07-20 20:59:28,025 INFO L226 Difference]: Without dead ends: 25 [2022-07-20 20:59:28,026 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-20 20:59:28,027 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 1 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 20:59:28,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 46 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 20:59:28,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-07-20 20:59:28,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24. [2022-07-20 20:59:28,030 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) [2022-07-20 20:59:28,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2022-07-20 20:59:28,032 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 30 [2022-07-20 20:59:28,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 20:59:28,033 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2022-07-20 20:59:28,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-20 20:59:28,033 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2022-07-20 20:59:28,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-07-20 20:59:28,035 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 20:59:28,035 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 20:59:28,055 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-20 20:59:28,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-07-20 20:59:28,246 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 20:59:28,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 20:59:28,247 INFO L85 PathProgramCache]: Analyzing trace with hash -796008709, now seen corresponding path program 1 times [2022-07-20 20:59:28,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 20:59:28,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588283356] [2022-07-20 20:59:28,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 20:59:28,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 20:59:28,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 20:59:28,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 20:59:28,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 20:59:28,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 20:59:28,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 20:59:28,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 20:59:28,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 20:59:28,345 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-07-20 20:59:28,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 20:59:28,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588283356] [2022-07-20 20:59:28,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588283356] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 20:59:28,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1252348193] [2022-07-20 20:59:28,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 20:59:28,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 20:59:28,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 20:59:28,351 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) [2022-07-20 20:59:28,352 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-20 20:59:28,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 20:59:28,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 20:59:28,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 20:59:28,451 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-07-20 20:59:28,453 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 20:59:28,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1252348193] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 20:59:28,460 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 20:59:28,461 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-07-20 20:59:28,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946768058] [2022-07-20 20:59:28,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 20:59:28,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 20:59:28,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 20:59:28,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 20:59:28,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-20 20:59:28,463 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-20 20:59:28,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 20:59:28,475 INFO L93 Difference]: Finished difference Result 39 states and 44 transitions. [2022-07-20 20:59:28,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 20:59:28,476 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 36 [2022-07-20 20:59:28,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 20:59:28,477 INFO L225 Difference]: With dead ends: 39 [2022-07-20 20:59:28,477 INFO L226 Difference]: Without dead ends: 26 [2022-07-20 20:59:28,479 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-20 20:59:28,481 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 1 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 20:59:28,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 45 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 20:59:28,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-07-20 20:59:28,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2022-07-20 20:59:28,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 20 states have (on average 1.15) internal successors, (23), 20 states have internal predecessors, (23), 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) [2022-07-20 20:59:28,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2022-07-20 20:59:28,492 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 36 [2022-07-20 20:59:28,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 20:59:28,493 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2022-07-20 20:59:28,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-20 20:59:28,493 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2022-07-20 20:59:28,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-07-20 20:59:28,496 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 20:59:28,496 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-07-20 20:59:28,516 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-20 20:59:28,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 20:59:28,708 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 20:59:28,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 20:59:28,708 INFO L85 PathProgramCache]: Analyzing trace with hash 165229081, now seen corresponding path program 1 times [2022-07-20 20:59:28,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 20:59:28,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193746075] [2022-07-20 20:59:28,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 20:59:28,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 20:59:28,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 20:59:28,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 20:59:28,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 20:59:28,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 20:59:28,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 20:59:28,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 20:59:28,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 20:59:28,821 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-07-20 20:59:28,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 20:59:28,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193746075] [2022-07-20 20:59:28,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193746075] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 20:59:28,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1658193053] [2022-07-20 20:59:28,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 20:59:28,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 20:59:28,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 20:59:28,828 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) [2022-07-20 20:59:28,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-20 20:59:28,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 20:59:28,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-20 20:59:28,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 20:59:28,938 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-07-20 20:59:28,939 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 20:59:28,975 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-07-20 20:59:28,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1658193053] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 20:59:28,976 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-20 20:59:28,976 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 9 [2022-07-20 20:59:28,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742933763] [2022-07-20 20:59:28,977 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-20 20:59:28,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-20 20:59:28,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 20:59:28,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-20 20:59:28,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-07-20 20:59:28,978 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 1 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-07-20 20:59:29,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 20:59:29,012 INFO L93 Difference]: Finished difference Result 54 states and 68 transitions. [2022-07-20 20:59:29,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-20 20:59:29,024 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 1 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 38 [2022-07-20 20:59:29,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 20:59:29,025 INFO L225 Difference]: With dead ends: 54 [2022-07-20 20:59:29,025 INFO L226 Difference]: Without dead ends: 34 [2022-07-20 20:59:29,026 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-07-20 20:59:29,026 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 6 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 20:59:29,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 102 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 20:59:29,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-07-20 20:59:29,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2022-07-20 20:59:29,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 28 states have (on average 1.1071428571428572) internal successors, (31), 28 states have internal predecessors, (31), 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) [2022-07-20 20:59:29,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 37 transitions. [2022-07-20 20:59:29,031 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 37 transitions. Word has length 38 [2022-07-20 20:59:29,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 20:59:29,031 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 37 transitions. [2022-07-20 20:59:29,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 1 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-07-20 20:59:29,031 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2022-07-20 20:59:29,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-07-20 20:59:29,032 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 20:59:29,032 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 20:59:29,052 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-20 20:59:29,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 20:59:29,233 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 20:59:29,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 20:59:29,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1299679203, now seen corresponding path program 2 times [2022-07-20 20:59:29,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 20:59:29,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345677536] [2022-07-20 20:59:29,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 20:59:29,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 20:59:29,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 20:59:29,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 20:59:29,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 20:59:29,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-20 20:59:29,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 20:59:29,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-20 20:59:29,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 20:59:29,323 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-07-20 20:59:29,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 20:59:29,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345677536] [2022-07-20 20:59:29,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345677536] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 20:59:29,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [866261217] [2022-07-20 20:59:29,330 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-20 20:59:29,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 20:59:29,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 20:59:29,332 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) [2022-07-20 20:59:29,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-20 20:59:29,397 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-20 20:59:29,398 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-20 20:59:29,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-20 20:59:29,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 20:59:29,436 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-07-20 20:59:29,436 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 20:59:29,492 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-07-20 20:59:29,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [866261217] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 20:59:29,493 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-20 20:59:29,493 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 7, 7] total 14 [2022-07-20 20:59:29,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983225103] [2022-07-20 20:59:29,493 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-20 20:59:29,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-20 20:59:29,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 20:59:29,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-20 20:59:29,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2022-07-20 20:59:29,495 INFO L87 Difference]: Start difference. First operand 33 states and 37 transitions. Second operand has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-20 20:59:29,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 20:59:29,534 INFO L93 Difference]: Finished difference Result 70 states and 84 transitions. [2022-07-20 20:59:29,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-20 20:59:29,534 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 50 [2022-07-20 20:59:29,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 20:59:29,535 INFO L225 Difference]: With dead ends: 70 [2022-07-20 20:59:29,535 INFO L226 Difference]: Without dead ends: 48 [2022-07-20 20:59:29,536 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2022-07-20 20:59:29,536 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 17 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 20:59:29,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 80 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 20:59:29,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-07-20 20:59:29,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 47. [2022-07-20 20:59:29,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 42 states have (on average 1.0714285714285714) internal successors, (45), 42 states have internal predecessors, (45), 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) [2022-07-20 20:59:29,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 51 transitions. [2022-07-20 20:59:29,541 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 51 transitions. Word has length 50 [2022-07-20 20:59:29,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 20:59:29,542 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 51 transitions. [2022-07-20 20:59:29,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-20 20:59:29,542 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2022-07-20 20:59:29,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-07-20 20:59:29,548 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 20:59:29,548 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 6, 6, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 20:59:29,568 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-20 20:59:29,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 20:59:29,764 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 20:59:29,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 20:59:29,764 INFO L85 PathProgramCache]: Analyzing trace with hash 936210247, now seen corresponding path program 3 times [2022-07-20 20:59:29,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 20:59:29,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002669516] [2022-07-20 20:59:29,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 20:59:29,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 20:59:29,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 20:59:29,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 20:59:29,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 20:59:29,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 20:59:29,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 20:59:29,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-20 20:59:29,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 20:59:29,852 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2022-07-20 20:59:29,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 20:59:29,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002669516] [2022-07-20 20:59:29,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002669516] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 20:59:29,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [96552022] [2022-07-20 20:59:29,853 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-20 20:59:29,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 20:59:29,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 20:59:29,860 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) [2022-07-20 20:59:29,861 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-20 20:59:29,919 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-07-20 20:59:29,919 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-20 20:59:29,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-20 20:59:29,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 20:59:29,933 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 32 proven. 4 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2022-07-20 20:59:29,933 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 20:59:29,965 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 32 proven. 4 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2022-07-20 20:59:29,966 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [96552022] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 20:59:29,966 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-20 20:59:29,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2022-07-20 20:59:29,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768918883] [2022-07-20 20:59:29,966 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-20 20:59:29,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-20 20:59:29,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 20:59:29,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-20 20:59:29,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2022-07-20 20:59:29,967 INFO L87 Difference]: Start difference. First operand 47 states and 51 transitions. Second operand has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-07-20 20:59:29,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 20:59:29,987 INFO L93 Difference]: Finished difference Result 78 states and 91 transitions. [2022-07-20 20:59:29,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-20 20:59:29,989 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 64 [2022-07-20 20:59:29,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 20:59:29,989 INFO L225 Difference]: With dead ends: 78 [2022-07-20 20:59:29,989 INFO L226 Difference]: Without dead ends: 55 [2022-07-20 20:59:29,990 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2022-07-20 20:59:29,990 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 6 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 20:59:29,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 68 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 20:59:29,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2022-07-20 20:59:29,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2022-07-20 20:59:29,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 50 states have (on average 1.06) internal successors, (53), 50 states have internal predecessors, (53), 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) [2022-07-20 20:59:30,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 59 transitions. [2022-07-20 20:59:30,001 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 59 transitions. Word has length 64 [2022-07-20 20:59:30,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 20:59:30,001 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 59 transitions. [2022-07-20 20:59:30,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-07-20 20:59:30,002 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 59 transitions. [2022-07-20 20:59:30,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-07-20 20:59:30,003 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 20:59:30,003 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 10, 10, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 20:59:30,023 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-20 20:59:30,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 20:59:30,220 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 20:59:30,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 20:59:30,220 INFO L85 PathProgramCache]: Analyzing trace with hash 571451455, now seen corresponding path program 4 times [2022-07-20 20:59:30,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 20:59:30,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193895678] [2022-07-20 20:59:30,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 20:59:30,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 20:59:30,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 20:59:30,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 20:59:30,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 20:59:30,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-20 20:59:30,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 20:59:30,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-20 20:59:30,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 20:59:30,346 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 0 proven. 212 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2022-07-20 20:59:30,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 20:59:30,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193895678] [2022-07-20 20:59:30,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193895678] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 20:59:30,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [653842293] [2022-07-20 20:59:30,346 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-07-20 20:59:30,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 20:59:30,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 20:59:30,348 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 20:59:30,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-07-20 20:59:30,412 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-07-20 20:59:30,413 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-20 20:59:30,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-20 20:59:30,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 20:59:30,442 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 172 proven. 36 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2022-07-20 20:59:30,442 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 20:59:30,490 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 0 proven. 212 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2022-07-20 20:59:30,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [653842293] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 20:59:30,491 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-20 20:59:30,491 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 12 [2022-07-20 20:59:30,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360194294] [2022-07-20 20:59:30,491 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-20 20:59:30,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-20 20:59:30,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 20:59:30,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-20 20:59:30,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2022-07-20 20:59:30,493 INFO L87 Difference]: Start difference. First operand 55 states and 59 transitions. Second operand has 12 states, 12 states have (on average 4.0) internal successors, (48), 12 states have internal predecessors, (48), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-20 20:59:30,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 20:59:30,532 INFO L93 Difference]: Finished difference Result 94 states and 107 transitions. [2022-07-20 20:59:30,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-20 20:59:30,535 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.0) internal successors, (48), 12 states have internal predecessors, (48), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) Word has length 88 [2022-07-20 20:59:30,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 20:59:30,536 INFO L225 Difference]: With dead ends: 94 [2022-07-20 20:59:30,536 INFO L226 Difference]: Without dead ends: 63 [2022-07-20 20:59:30,536 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 178 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2022-07-20 20:59:30,537 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 10 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 20:59:30,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 90 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 20:59:30,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-07-20 20:59:30,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2022-07-20 20:59:30,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 58 states have (on average 1.0517241379310345) internal successors, (61), 58 states have internal predecessors, (61), 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) [2022-07-20 20:59:30,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 67 transitions. [2022-07-20 20:59:30,542 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 67 transitions. Word has length 88 [2022-07-20 20:59:30,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 20:59:30,543 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 67 transitions. [2022-07-20 20:59:30,543 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.0) internal successors, (48), 12 states have internal predecessors, (48), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-20 20:59:30,543 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 67 transitions. [2022-07-20 20:59:30,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-20 20:59:30,544 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 20:59:30,544 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 10, 10, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 20:59:30,564 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-07-20 20:59:30,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 20:59:30,765 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 20:59:30,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 20:59:30,765 INFO L85 PathProgramCache]: Analyzing trace with hash -2026866377, now seen corresponding path program 5 times [2022-07-20 20:59:30,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 20:59:30,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952175495] [2022-07-20 20:59:30,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 20:59:30,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 20:59:30,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 20:59:30,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 20:59:30,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 20:59:30,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 20:59:30,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 20:59:30,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-20 20:59:30,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 20:59:30,852 INFO L134 CoverageAnalysis]: Checked inductivity of 1079 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1075 trivial. 0 not checked. [2022-07-20 20:59:30,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 20:59:30,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952175495] [2022-07-20 20:59:30,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952175495] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 20:59:30,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [263445087] [2022-07-20 20:59:30,852 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-07-20 20:59:30,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 20:59:30,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 20:59:30,854 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 20:59:30,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-07-20 20:59:31,205 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 22 check-sat command(s) [2022-07-20 20:59:31,205 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-20 20:59:31,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-20 20:59:31,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 20:59:31,227 INFO L134 CoverageAnalysis]: Checked inductivity of 1079 backedges. 450 proven. 4 refuted. 0 times theorem prover too weak. 625 trivial. 0 not checked. [2022-07-20 20:59:31,227 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 20:59:31,255 INFO L134 CoverageAnalysis]: Checked inductivity of 1079 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1075 trivial. 0 not checked. [2022-07-20 20:59:31,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [263445087] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 20:59:31,256 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-20 20:59:31,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2022-07-20 20:59:31,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183974456] [2022-07-20 20:59:31,256 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-20 20:59:31,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-20 20:59:31,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 20:59:31,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-20 20:59:31,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2022-07-20 20:59:31,257 INFO L87 Difference]: Start difference. First operand 63 states and 67 transitions. Second operand has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-20 20:59:31,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 20:59:31,277 INFO L93 Difference]: Finished difference Result 102 states and 110 transitions. [2022-07-20 20:59:31,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-20 20:59:31,278 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 112 [2022-07-20 20:59:31,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 20:59:31,278 INFO L225 Difference]: With dead ends: 102 [2022-07-20 20:59:31,278 INFO L226 Difference]: Without dead ends: 71 [2022-07-20 20:59:31,279 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2022-07-20 20:59:31,279 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 9 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 20:59:31,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 66 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 20:59:31,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2022-07-20 20:59:31,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2022-07-20 20:59:31,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 66 states have (on average 1.0454545454545454) internal successors, (69), 66 states have internal predecessors, (69), 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) [2022-07-20 20:59:31,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 75 transitions. [2022-07-20 20:59:31,284 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 75 transitions. Word has length 112 [2022-07-20 20:59:31,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 20:59:31,284 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 75 transitions. [2022-07-20 20:59:31,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-20 20:59:31,284 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 75 transitions. [2022-07-20 20:59:31,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-07-20 20:59:31,285 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 20:59:31,285 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 10, 10, 6, 6, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 20:59:31,304 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-07-20 20:59:31,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-07-20 20:59:31,500 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 20:59:31,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 20:59:31,500 INFO L85 PathProgramCache]: Analyzing trace with hash 2045037743, now seen corresponding path program 6 times [2022-07-20 20:59:31,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 20:59:31,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982747929] [2022-07-20 20:59:31,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 20:59:31,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 20:59:31,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 20:59:31,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 20:59:31,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 20:59:31,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 20:59:31,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 20:59:31,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 20:59:31,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 20:59:31,640 INFO L134 CoverageAnalysis]: Checked inductivity of 1111 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1075 trivial. 0 not checked. [2022-07-20 20:59:31,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 20:59:31,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982747929] [2022-07-20 20:59:31,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982747929] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 20:59:31,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [253676722] [2022-07-20 20:59:31,641 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-07-20 20:59:31,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 20:59:31,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 20:59:31,653 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 20:59:31,654 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-07-20 20:59:31,973 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2022-07-20 20:59:31,973 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-20 20:59:31,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-20 20:59:31,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 20:59:32,006 INFO L134 CoverageAnalysis]: Checked inductivity of 1111 backedges. 450 proven. 36 refuted. 0 times theorem prover too weak. 625 trivial. 0 not checked. [2022-07-20 20:59:32,007 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 20:59:32,047 INFO L134 CoverageAnalysis]: Checked inductivity of 1111 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1075 trivial. 0 not checked. [2022-07-20 20:59:32,048 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [253676722] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 20:59:32,048 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-20 20:59:32,048 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 12 [2022-07-20 20:59:32,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448103025] [2022-07-20 20:59:32,048 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-20 20:59:32,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-20 20:59:32,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 20:59:32,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-20 20:59:32,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2022-07-20 20:59:32,049 INFO L87 Difference]: Start difference. First operand 71 states and 75 transitions. Second operand has 12 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-20 20:59:32,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 20:59:32,073 INFO L93 Difference]: Finished difference Result 108 states and 115 transitions. [2022-07-20 20:59:32,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-20 20:59:32,074 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 120 [2022-07-20 20:59:32,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 20:59:32,075 INFO L225 Difference]: With dead ends: 108 [2022-07-20 20:59:32,075 INFO L226 Difference]: Without dead ends: 77 [2022-07-20 20:59:32,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 242 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2022-07-20 20:59:32,076 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 9 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 20:59:32,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 108 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 20:59:32,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-07-20 20:59:32,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2022-07-20 20:59:32,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 72 states have (on average 1.0416666666666667) internal successors, (75), 72 states have internal predecessors, (75), 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) [2022-07-20 20:59:32,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 81 transitions. [2022-07-20 20:59:32,080 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 81 transitions. Word has length 120 [2022-07-20 20:59:32,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 20:59:32,081 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 81 transitions. [2022-07-20 20:59:32,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-20 20:59:32,081 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 81 transitions. [2022-07-20 20:59:32,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-07-20 20:59:32,082 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 20:59:32,082 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 10, 10, 9, 9, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 20:59:32,102 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-07-20 20:59:32,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 20:59:32,299 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 20:59:32,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 20:59:32,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1529370487, now seen corresponding path program 7 times [2022-07-20 20:59:32,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 20:59:32,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456305157] [2022-07-20 20:59:32,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 20:59:32,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 20:59:33,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 20:59:49,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 20:59:49,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 20:59:53,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 20:59:53,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 20:59:56,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-20 20:59:56,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 20:59:59,938 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 30 proven. 1092 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-20 20:59:59,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 20:59:59,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456305157] [2022-07-20 20:59:59,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456305157] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 20:59:59,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1178573366] [2022-07-20 20:59:59,938 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-07-20 20:59:59,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 20:59:59,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 20:59:59,940 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 20:59:59,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-07-20 21:00:00,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 21:00:00,090 WARN L261 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 260 conjunts are in the unsatisfiable core [2022-07-20 21:00:00,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 21:00:01,254 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-07-20 21:00:37,262 WARN L233 SmtUtils]: Spent 8.77s on a formula simplification. DAG size of input: 210 DAG size of output: 203 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-07-20 21:00:57,970 WARN L233 SmtUtils]: Spent 7.25s on a formula simplification that was a NOOP. DAG size: 204 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-07-20 21:00:58,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 21:00:58,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 21:00:58,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 21:00:58,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 21:00:58,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 21:00:58,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 21:00:58,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 21:00:58,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 21:00:58,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 21:00:58,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 21:00:58,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 21:00:58,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 21:00:58,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 21:00:58,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 21:00:58,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 21:00:58,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 21:00:58,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 21:00:58,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 21:00:58,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 21:00:58,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 21:00:58,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 21:00:58,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 21:00:58,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 21:00:58,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 21:00:58,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 21:00:58,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 21:00:58,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 21:00:58,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 21:00:58,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 21:00:58,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 21:00:58,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 21:00:58,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 21:00:58,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 21:00:58,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 21:00:58,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 21:00:58,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 21:00:58,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 21:00:58,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 21:00:58,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 21:00:58,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 21:00:58,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 21:00:58,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 21:00:58,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 21:00:58,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 21:00:58,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-20 21:00:58,067 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-20 21:00:58,068 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 3771 treesize of output 1455 [2022-07-20 21:01:10,997 WARN L233 SmtUtils]: Spent 5.30s on a formula simplification that was a NOOP. DAG size: 204 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-07-20 21:01:14,731 WARN L855 $PredicateComparison]: unable to prove that (or (exists ((|aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_86_564_594_498| Int) (|aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_86_564_594| Int) (|aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_86_564| Int) (|aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_86| Int) (|v_ULTIMATE.start_main_~#x~0#1.base_BEFORE_CALL_1| Int)) (let ((.cse16 (select |c_#memory_int| |v_ULTIMATE.start_main_~#x~0#1.base_BEFORE_CALL_1|))) (let ((.cse15 (select .cse16 36)) (.cse12 (select .cse16 16)) (.cse7 (select .cse16 28)) (.cse9 (select .cse16 12)) (.cse11 (select .cse16 4)) (.cse8 (select .cse16 32)) (.cse10 (select .cse16 8)) (.cse13 (select .cse16 24)) (.cse14 (select .cse16 0)) (.cse6 (select .cse16 20))) (let ((.cse0 (* |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_86_564_594_498| 4294967296)) (.cse2 (* |aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_86| 4294967296)) (.cse1 (div (+ .cse15 .cse12 .cse7 .cse9 .cse11 .cse8 .cse10 .cse13 .cse14 .cse6) 10)) (.cse4 (* 4294967296 |aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_86_564|)) (.cse5 (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_86_564_594| 4294967296)) (.cse3 (div (+ (* (- 1) .cse6) (* (- 1) .cse7) (* (- 1) .cse8) (* (- 1) .cse9) (* (- 1) .cse10) (* (- 1) .cse11) (* (- 1) .cse12) (* (- 1) .cse13) (* (- 1) .cse14) (* (- 1) .cse15)) (- 10)))) (and (<= (+ 2147483647 .cse0) (+ .cse1 .cse2)) (<= (+ .cse3 .cse0) (+ .cse1 .cse4)) (<= 0 (+ .cse5 .cse2)) (< .cse3 (+ .cse4 4294967296)) (< (+ |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_86_564_594| |aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_86_564|) (+ (div .cse1 4294967296) 1)) (<= 0 (+ 2147483647 .cse5)) (<= .cse3 (+ 2147483647 .cse4 .cse5)) (< (+ (div (+ 4294967294 (* (- 1) .cse3)) (- 4294967296)) |aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_86|) (+ |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_86_564_594_498| 1))))))) (exists ((|aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_471_798_830| Int) (|aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_471_798| Int) (|aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_471| Int) (|aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_471_798_830_626| Int) (|v_ULTIMATE.start_main_~#x~0#1.base_BEFORE_CALL_1| Int)) (let ((.cse31 (select |c_#memory_int| |v_ULTIMATE.start_main_~#x~0#1.base_BEFORE_CALL_1|))) (let ((.cse30 (select .cse31 20)) (.cse23 (select .cse31 28)) (.cse26 (select .cse31 32)) (.cse24 (select .cse31 12)) (.cse27 (select .cse31 8)) (.cse25 (select .cse31 4)) (.cse22 (select .cse31 16)) (.cse28 (select .cse31 24)) (.cse29 (select .cse31 0)) (.cse21 (select .cse31 36))) (let ((.cse19 (+ (* (- 1) .cse30) (- 1) (* (- 1) .cse23) (* (- 1) .cse26) (* (- 1) .cse24) (* (- 1) .cse27) (* (- 1) .cse25) (* (- 1) .cse22) (* (- 1) .cse28) (* (- 1) .cse29) (* (- 1) .cse21)))) (let ((.cse17 (div .cse19 (- 10))) (.cse20 (div (+ .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 10) 10)) (.cse18 (* |aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_471| 4294967296))) (and (<= .cse17 (+ 2147483647 .cse18 (* |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_471_798_830_626| 4294967296))) (< 0 (+ (div .cse19 10) 1)) (<= (* |aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_471_798| 4294967296) .cse20) (< .cse17 (+ .cse18 4294967296)) (< .cse17 (+ (div (+ .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 9 .cse27 .cse28 .cse29 .cse30) 10) 1)) (< (+ |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_471_798_830| |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_471_798_830_626|) (+ (div .cse20 4294967296) 1)) (< |aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_471| (+ |aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_471_798| 1)) (< .cse18 (+ (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_471_798_830| 4294967296) 4294967296)))))))) (exists ((|aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_73_559_811| Int) (|aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_73_559| Int) (|v_ULTIMATE.start_main_~#x~0#1.base_BEFORE_CALL_1| Int)) (let ((.cse46 (select |c_#memory_int| |v_ULTIMATE.start_main_~#x~0#1.base_BEFORE_CALL_1|))) (let ((.cse45 (select .cse46 36)) (.cse42 (select .cse46 16)) (.cse37 (select .cse46 28)) (.cse39 (select .cse46 12)) (.cse41 (select .cse46 4)) (.cse38 (select .cse46 32)) (.cse40 (select .cse46 8)) (.cse43 (select .cse46 24)) (.cse44 (select .cse46 0)) (.cse36 (select .cse46 20))) (let ((.cse34 (div (+ .cse45 .cse42 .cse37 .cse39 .cse41 .cse38 .cse40 .cse43 .cse44 .cse36) 10))) (let ((.cse32 (div .cse34 4294967296)) (.cse33 (div (+ (* (- 1) .cse36) (* (- 1) .cse37) (* (- 1) .cse38) (* (- 1) .cse39) (* (- 1) .cse40) (* (- 1) .cse41) (* (- 1) .cse42) (* (- 1) .cse43) (* (- 1) .cse44) (* (- 1) .cse45)) (- 10))) (.cse35 (* 4294967296 |aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_73_559|))) (and (< |aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_73_559| (+ .cse32 1)) (< (+ (div (+ (* (- 1) .cse33) 2147483646) (- 4294967296)) |aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_73_559|) (+ |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_73_559_811| .cse32 1)) (<= (+ .cse33 (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_73_559_811| 4294967296)) (+ .cse34 .cse35)) (< .cse33 (+ .cse35 4294967296)))))))) (exists ((|aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_87_577_590| Int) (|aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_87_577_590_498| Int) (|aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_87| Int) (|aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_87_577| Int) (|v_ULTIMATE.start_main_~#x~0#1.base_BEFORE_CALL_1| Int)) (let ((.cse71 (select |c_#memory_int| |v_ULTIMATE.start_main_~#x~0#1.base_BEFORE_CALL_1|))) (let ((.cse59 (select .cse71 36)) (.cse67 (select .cse71 0)) (.cse66 (select .cse71 24)) (.cse60 (select .cse71 16)) (.cse63 (select .cse71 4)) (.cse65 (select .cse71 8)) (.cse62 (select .cse71 12)) (.cse64 (select .cse71 32)) (.cse61 (select .cse71 28)) (.cse68 (select .cse71 20))) (let ((.cse47 (* (- 1) .cse68)) (.cse48 (* (- 1) .cse61)) (.cse49 (* (- 1) .cse64)) (.cse50 (* (- 1) .cse62)) (.cse51 (* (- 1) .cse65)) (.cse52 (* (- 1) .cse63)) (.cse53 (* (- 1) .cse60)) (.cse54 (* (- 1) .cse66)) (.cse55 (* (- 1) .cse67)) (.cse56 (* (- 1) .cse59))) (let ((.cse69 (* |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_87_577_590_498| 4294967296)) (.cse70 (div (+ .cse59 .cse60 .cse61 .cse62 .cse63 .cse64 .cse65 .cse66 .cse67 .cse68 10) 10)) (.cse57 (div (+ .cse47 .cse48 .cse49 .cse50 .cse51 42949672959 .cse52 .cse53 .cse54 .cse55 .cse56) (- 10))) (.cse58 (* 4294967296 |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_87_577_590|))) (and (< 0 (+ (div (+ .cse47 (- 1) .cse48 .cse49 .cse50 .cse51 .cse52 .cse53 .cse54 .cse55 .cse56) 10) 1)) (< (+ .cse57 .cse58) (+ (* 4294967296 |aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_87_577|) 1)) (< .cse57 (+ 1 (div (+ .cse59 (- 42949672951) .cse60 .cse61 .cse62 .cse63 .cse64 .cse65 .cse66 .cse67 .cse68) 10))) (<= (+ .cse69 1) (+ .cse70 .cse58)) (<= .cse69 .cse70) (< (+ |aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_87| |aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_87_577|) (+ (div (+ .cse70 (- 2147483648)) 4294967296) 1)) (< (+ (div (+ (- 2147483648) (* (- 1) .cse57)) (- 4294967296)) |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_87_577_590|) (+ |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_87_577_590_498| 1)) (< 0 (+ 4294967295 .cse58)) (<= 0 (+ 4294967294 .cse58 (* |aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_87| 4294967296))))))))) (exists ((|aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_477| Int) (|aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_477_817_498_230| Int) (|aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_477_817_498| Int) (|aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_477_817| Int) (|v_ULTIMATE.start_main_~#x~0#1.base_BEFORE_CALL_1| Int)) (let ((.cse87 (select |c_#memory_int| |v_ULTIMATE.start_main_~#x~0#1.base_BEFORE_CALL_1|))) (let ((.cse86 (select .cse87 20)) (.cse79 (select .cse87 28)) (.cse82 (select .cse87 32)) (.cse80 (select .cse87 12)) (.cse83 (select .cse87 8)) (.cse81 (select .cse87 4)) (.cse78 (select .cse87 16)) (.cse84 (select .cse87 24)) (.cse85 (select .cse87 0)) (.cse77 (select .cse87 36))) (let ((.cse74 (* 4294967296 |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_477_817_498|)) (.cse75 (div (+ (* (- 1) .cse86) 42949672960 (* (- 1) .cse79) (* (- 1) .cse82) (* (- 1) .cse80) (* (- 1) .cse83) (* (- 1) .cse81) (* (- 1) .cse78) (* (- 1) .cse84) (* (- 1) .cse85) (* (- 1) .cse77)) (- 10))) (.cse72 (* |aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_477_817| 4294967296)) (.cse76 (* |aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_477| 4294967296)) (.cse73 (div (+ .cse77 .cse78 .cse79 (- 42949672960) .cse80 .cse81 .cse82 .cse83 .cse84 .cse85 .cse86) 10))) (and (<= .cse72 (+ .cse73 4294967296)) (<= (+ .cse74 .cse72) (+ .cse73 2147483648)) (<= (+ .cse75 1) (+ .cse76 (* |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_477_817_498_230| 4294967296))) (< |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_477_817_498_230| (+ |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_477_817_498| 1)) (< .cse74 2147483648) (<= (+ .cse75 .cse72) (+ .cse76 .cse73)) (< |aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_477| (+ |aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_477_817| 1))))))) (exists ((|aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_473_578_479| Int) (|aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_473_578_479_854| Int) (|aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_473| Int) (|aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_473_578| Int) (|v_ULTIMATE.start_main_~#x~0#1.base_BEFORE_CALL_1| Int)) (let ((.cse102 (select |c_#memory_int| |v_ULTIMATE.start_main_~#x~0#1.base_BEFORE_CALL_1|))) (let ((.cse89 (select .cse102 36)) (.cse90 (select .cse102 16)) (.cse91 (select .cse102 28)) (.cse92 (select .cse102 12)) (.cse93 (select .cse102 4)) (.cse94 (select .cse102 32)) (.cse95 (select .cse102 8)) (.cse96 (select .cse102 24)) (.cse97 (select .cse102 0)) (.cse98 (select .cse102 20))) (let ((.cse101 (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_473_578_479| 4294967296)) (.cse88 (div (+ .cse89 .cse90 .cse91 .cse92 .cse93 .cse94 .cse95 .cse96 .cse97 .cse98 10) 10)) (.cse99 (div (+ (* (- 1) .cse98) (- 1) (* (- 1) .cse91) (* (- 1) .cse94) (* (- 1) .cse92) (* (- 1) .cse95) (* (- 1) .cse93) (* (- 1) .cse90) (* (- 1) .cse96) (* (- 1) .cse97) (* (- 1) .cse89)) (- 10))) (.cse100 (* |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_473_578_479_854| 4294967296))) (and (< (+ |aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_473_578| |aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_473|) (+ (div (+ .cse88 (- 1)) 4294967296) 1)) (<= 0 (+ .cse89 .cse90 .cse91 .cse92 .cse93 .cse94 .cse95 .cse96 .cse97 .cse98)) (< .cse99 (+ 4294967297 .cse100)) (<= (+ .cse99 .cse101) (+ .cse88 (* |aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_473| 4294967296))) (<= (+ .cse101 1) .cse88) (< |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_473_578_479_854| (+ |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_473_578_479| 1)) (<= .cse99 (+ (* |aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_473_578| 4294967296) .cse100 2147483648))))))) (exists ((|aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_87_176| Int) (|aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_87_176_604| Int) (|aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_87_176_604_865| Int) (|aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_87| Int) (|v_ULTIMATE.start_main_~#x~0#1.base_BEFORE_CALL_1| Int)) (let ((.cse128 (select |c_#memory_int| |v_ULTIMATE.start_main_~#x~0#1.base_BEFORE_CALL_1|))) (let ((.cse114 (select .cse128 36)) (.cse122 (select .cse128 0)) (.cse121 (select .cse128 24)) (.cse115 (select .cse128 16)) (.cse118 (select .cse128 4)) (.cse120 (select .cse128 8)) (.cse117 (select .cse128 12)) (.cse119 (select .cse128 32)) (.cse116 (select .cse128 28)) (.cse123 (select .cse128 20))) (let ((.cse103 (* (- 1) .cse123)) (.cse104 (* (- 1) .cse116)) (.cse105 (* (- 1) .cse119)) (.cse106 (* (- 1) .cse117)) (.cse107 (* (- 1) .cse120)) (.cse108 (* (- 1) .cse118)) (.cse109 (* (- 1) .cse115)) (.cse110 (* (- 1) .cse121)) (.cse111 (* (- 1) .cse122)) (.cse112 (* (- 1) .cse114))) (let ((.cse113 (div (+ .cse103 .cse104 .cse105 .cse106 .cse107 42949672959 .cse108 .cse109 .cse110 .cse111 .cse112) (- 10))) (.cse124 (* 4294967296 |aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_87_176|)) (.cse126 (* |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_87_176_604_865| 4294967296)) (.cse125 (* |aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_87| 4294967296)) (.cse127 (div (+ .cse114 .cse115 .cse116 .cse117 .cse118 .cse119 .cse120 .cse121 .cse122 .cse123 10) 10))) (and (< 0 (+ (div (+ .cse103 (- 1) .cse104 .cse105 .cse106 .cse107 .cse108 .cse109 .cse110 .cse111 .cse112) 10) 1)) (< .cse113 (+ 1 (div (+ .cse114 (- 42949672951) .cse115 .cse116 .cse117 .cse118 .cse119 .cse120 .cse121 .cse122 .cse123) 10))) (< (+ (div (* (- 1) .cse113) (- 4294967296)) |aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_87_176|) (+ |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_87_176_604_865| 1)) (< 0 (+ 2147483647 .cse124)) (<= (+ .cse113 1) (+ (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_87_176_604| 4294967296) .cse125)) (<= 0 (+ .cse124 2147483646 .cse125)) (<= (+ 2147483649 .cse126) (+ .cse127 .cse124)) (< (+ |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_87_176_604| |aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_87|) (+ (div (+ .cse127 (- 2147483648)) 4294967296) 1)) (<= .cse126 .cse127) (< (+ .cse126 .cse125) (+ .cse127 1)))))))) (exists ((|aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_375_461_589_209| Int) (|aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_375_461| Int) (|aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_375_461_589| Int) (|aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_375| Int) (|v_ULTIMATE.start_main_~#x~0#1.base_BEFORE_CALL_1| Int)) (let ((.cse142 (select |c_#memory_int| |v_ULTIMATE.start_main_~#x~0#1.base_BEFORE_CALL_1|))) (let ((.cse138 (select .cse142 20)) (.cse131 (select .cse142 28)) (.cse134 (select .cse142 32)) (.cse132 (select .cse142 12)) (.cse135 (select .cse142 8)) (.cse133 (select .cse142 4)) (.cse130 (select .cse142 16)) (.cse136 (select .cse142 24)) (.cse137 (select .cse142 0)) (.cse129 (select .cse142 36))) (let ((.cse140 (div (+ (* (- 1) .cse138) (* (- 1) .cse131) (* (- 1) .cse134) 42949672969 (* (- 1) .cse132) (* (- 1) .cse135) (* (- 1) .cse133) (* (- 1) .cse130) (* (- 1) .cse136) (* (- 1) .cse137) (* (- 1) .cse129)) 10)) (.cse141 (* |aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_375_461| 4294967296)) (.cse139 (div (+ .cse129 .cse130 .cse131 .cse132 .cse133 .cse134 .cse135 .cse136 .cse137 .cse138 10) 10))) (and (<= 0 (+ .cse129 .cse130 .cse131 .cse132 .cse133 .cse134 .cse135 .cse136 .cse137 .cse138)) (<= (+ 4294967297 (* |aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_375| 4294967296)) (+ .cse139 .cse140 (* |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_375_461_589_209| 4294967296))) (< .cse141 4294967296) (< |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_375_461_589| (+ |aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_375| 1)) (<= 0 (+ 4294967295 .cse141)) (<= 1 (+ (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_375_461_589| 4294967296) .cse140 .cse141)) (< (+ |aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_375_461| |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_375_461_589_209|) (+ (div (+ .cse139 (- 2147483649)) 4294967296) 1)))))))) is different from true [2022-07-20 21:01:57,532 WARN L233 SmtUtils]: Spent 34.55s on a formula simplification that was a NOOP. DAG size: 299 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-07-20 21:02:43,390 WARN L233 SmtUtils]: Spent 40.47s on a formula simplification that was a NOOP. DAG size: 305 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-07-20 21:03:27,746 WARN L233 SmtUtils]: Spent 40.04s on a formula simplification that was a NOOP. DAG size: 303 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)