./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 791161d1 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-?-791161d [2022-07-22 09:36:40,698 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 09:36:40,705 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 09:36:40,729 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 09:36:40,730 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 09:36:40,731 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 09:36:40,731 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 09:36:40,733 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 09:36:40,734 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 09:36:40,734 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 09:36:40,735 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 09:36:40,736 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 09:36:40,736 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 09:36:40,736 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 09:36:40,737 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 09:36:40,738 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 09:36:40,738 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 09:36:40,739 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 09:36:40,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 09:36:40,741 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 09:36:40,742 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 09:36:40,743 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 09:36:40,743 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 09:36:40,744 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 09:36:40,744 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 09:36:40,746 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 09:36:40,746 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 09:36:40,747 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 09:36:40,747 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 09:36:40,747 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 09:36:40,748 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 09:36:40,748 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 09:36:40,749 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 09:36:40,749 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 09:36:40,750 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 09:36:40,750 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 09:36:40,751 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 09:36:40,751 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 09:36:40,751 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 09:36:40,751 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 09:36:40,752 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 09:36:40,753 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 09:36:40,753 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-22 09:36:40,768 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 09:36:40,768 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 09:36:40,768 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 09:36:40,768 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 09:36:40,769 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 09:36:40,769 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 09:36:40,770 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 09:36:40,770 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 09:36:40,770 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 09:36:40,770 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 09:36:40,770 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 09:36:40,771 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 09:36:40,771 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 09:36:40,771 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 09:36:40,771 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 09:36:40,771 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 09:36:40,771 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 09:36:40,771 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 09:36:40,772 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 09:36:40,772 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 09:36:40,772 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 09:36:40,772 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 09:36:40,772 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 09:36:40,772 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 09:36:40,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 09:36:40,773 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 09:36:40,773 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 09:36:40,773 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 09:36:40,773 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 09:36:40,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 09:36:40,774 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 09:36:40,774 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 09:36:40,774 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 09:36:40,774 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 431bc26901e3cf271c74e4f10a5bc241d4509dbbafd99aaf0126c46ffc8b7c33 [2022-07-22 09:36:40,959 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 09:36:40,976 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 09:36:40,978 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 09:36:40,979 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 09:36:40,979 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 09:36:40,980 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/reducercommutativity/avg10-2.i [2022-07-22 09:36:41,033 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eddfdb3c1/3563f7e2507242228e5692a9c78f3484/FLAG8f9f3deba [2022-07-22 09:36:41,354 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 09:36:41,355 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/avg10-2.i [2022-07-22 09:36:41,359 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eddfdb3c1/3563f7e2507242228e5692a9c78f3484/FLAG8f9f3deba [2022-07-22 09:36:41,800 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eddfdb3c1/3563f7e2507242228e5692a9c78f3484 [2022-07-22 09:36:41,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 09:36:41,805 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 09:36:41,806 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 09:36:41,806 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 09:36:41,808 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 09:36:41,809 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 09:36:41" (1/1) ... [2022-07-22 09:36:41,810 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30aa9bd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:36:41, skipping insertion in model container [2022-07-22 09:36:41,810 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 09:36:41" (1/1) ... [2022-07-22 09:36:41,815 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 09:36:41,826 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 09:36:41,987 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] [2022-07-22 09:36:41,992 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 09:36:42,006 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 09:36:42,037 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] [2022-07-22 09:36:42,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 09:36:42,049 INFO L208 MainTranslator]: Completed translation [2022-07-22 09:36:42,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:36:42 WrapperNode [2022-07-22 09:36:42,050 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 09:36:42,051 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 09:36:42,051 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 09:36:42,051 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 09:36:42,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:36:42" (1/1) ... [2022-07-22 09:36:42,068 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:36:42" (1/1) ... [2022-07-22 09:36:42,084 INFO L137 Inliner]: procedures = 16, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 67 [2022-07-22 09:36:42,085 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 09:36:42,086 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 09:36:42,086 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 09:36:42,086 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 09:36:42,092 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:36:42" (1/1) ... [2022-07-22 09:36:42,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:36:42" (1/1) ... [2022-07-22 09:36:42,096 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:36:42" (1/1) ... [2022-07-22 09:36:42,096 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:36:42" (1/1) ... [2022-07-22 09:36:42,107 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:36:42" (1/1) ... [2022-07-22 09:36:42,110 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:36:42" (1/1) ... [2022-07-22 09:36:42,117 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:36:42" (1/1) ... [2022-07-22 09:36:42,120 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 09:36:42,121 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 09:36:42,121 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 09:36:42,122 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 09:36:42,122 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:36:42" (1/1) ... [2022-07-22 09:36:42,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 09:36:42,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 09:36:42,144 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) [2022-07-22 09:36:42,163 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 [2022-07-22 09:36:42,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 09:36:42,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 09:36:42,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 09:36:42,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 09:36:42,176 INFO L130 BoogieDeclarations]: Found specification of procedure avg [2022-07-22 09:36:42,176 INFO L138 BoogieDeclarations]: Found implementation of procedure avg [2022-07-22 09:36:42,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 09:36:42,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 09:36:42,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 09:36:42,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 09:36:42,229 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 09:36:42,230 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 09:36:42,414 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 09:36:42,419 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 09:36:42,419 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-07-22 09:36:42,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 09:36:42 BoogieIcfgContainer [2022-07-22 09:36:42,421 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 09:36:42,422 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 09:36:42,435 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 09:36:42,438 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 09:36:42,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 09:36:41" (1/3) ... [2022-07-22 09:36:42,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54b66d51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 09:36:42, skipping insertion in model container [2022-07-22 09:36:42,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:36:42" (2/3) ... [2022-07-22 09:36:42,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54b66d51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 09:36:42, skipping insertion in model container [2022-07-22 09:36:42,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 09:36:42" (3/3) ... [2022-07-22 09:36:42,440 INFO L111 eAbstractionObserver]: Analyzing ICFG avg10-2.i [2022-07-22 09:36:42,453 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 09:36:42,453 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 09:36:42,488 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 09:36:42,492 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@100253d6, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@593c4e02 [2022-07-22 09:36:42,493 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 09:36:42,497 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) [2022-07-22 09:36:42,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-07-22 09:36:42,502 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 09:36:42,503 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] [2022-07-22 09:36:42,503 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 09:36:42,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 09:36:42,507 INFO L85 PathProgramCache]: Analyzing trace with hash -2001158789, now seen corresponding path program 1 times [2022-07-22 09:36:42,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 09:36:42,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848929078] [2022-07-22 09:36:42,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 09:36:42,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 09:36:42,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 09:36:42,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 09:36:42,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 09:36:42,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-22 09:36:42,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 09:36:42,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-22 09:36:42,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 09:36:42,704 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-07-22 09:36:42,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 09:36:42,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848929078] [2022-07-22 09:36:42,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848929078] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 09:36:42,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1172438132] [2022-07-22 09:36:42,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 09:36:42,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 09:36:42,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 09:36:42,711 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) [2022-07-22 09:36:42,713 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-22 09:36:42,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 09:36:42,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 09:36:42,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 09:36:42,816 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-22 09:36:42,817 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 09:36:42,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1172438132] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 09:36:42,817 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 09:36:42,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-07-22 09:36:42,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579564761] [2022-07-22 09:36:42,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 09:36:42,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 09:36:42,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 09:36:42,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 09:36:42,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-22 09:36:42,850 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) [2022-07-22 09:36:42,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 09:36:42,879 INFO L93 Difference]: Finished difference Result 50 states and 69 transitions. [2022-07-22 09:36:42,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 09:36:42,881 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 [2022-07-22 09:36:42,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 09:36:42,889 INFO L225 Difference]: With dead ends: 50 [2022-07-22 09:36:42,889 INFO L226 Difference]: Without dead ends: 24 [2022-07-22 09:36:42,891 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 [2022-07-22 09:36:42,894 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 [2022-07-22 09:36:42,896 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] [2022-07-22 09:36:42,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-07-22 09:36:42,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2022-07-22 09:36:42,921 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) [2022-07-22 09:36:42,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2022-07-22 09:36:42,923 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 28 [2022-07-22 09:36:42,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 09:36:42,924 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2022-07-22 09:36:42,924 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) [2022-07-22 09:36:42,925 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2022-07-22 09:36:42,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-07-22 09:36:42,926 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 09:36:42,926 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] [2022-07-22 09:36:42,947 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-22 09:36:43,143 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 [2022-07-22 09:36:43,144 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 09:36:43,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 09:36:43,144 INFO L85 PathProgramCache]: Analyzing trace with hash 202333565, now seen corresponding path program 1 times [2022-07-22 09:36:43,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 09:36:43,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037141082] [2022-07-22 09:36:43,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 09:36:43,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 09:36:43,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 09:36:43,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 09:36:43,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 09:36:43,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 09:36:43,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 09:36:43,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-22 09:36:43,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 09:36:43,211 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-22 09:36:43,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 09:36:43,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037141082] [2022-07-22 09:36:43,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037141082] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 09:36:43,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [876406895] [2022-07-22 09:36:43,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 09:36:43,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 09:36:43,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 09:36:43,214 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) [2022-07-22 09:36:43,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-22 09:36:43,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 09:36:43,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 09:36:43,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 09:36:43,290 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-22 09:36:43,292 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 09:36:43,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [876406895] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 09:36:43,292 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 09:36:43,292 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-07-22 09:36:43,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019178470] [2022-07-22 09:36:43,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 09:36:43,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 09:36:43,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 09:36:43,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 09:36:43,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-22 09:36:43,294 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) [2022-07-22 09:36:43,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 09:36:43,305 INFO L93 Difference]: Finished difference Result 42 states and 52 transitions. [2022-07-22 09:36:43,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 09:36:43,306 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 [2022-07-22 09:36:43,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 09:36:43,307 INFO L225 Difference]: With dead ends: 42 [2022-07-22 09:36:43,307 INFO L226 Difference]: Without dead ends: 25 [2022-07-22 09:36:43,307 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 [2022-07-22 09:36:43,308 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 [2022-07-22 09:36:43,309 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] [2022-07-22 09:36:43,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-07-22 09:36:43,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24. [2022-07-22 09:36:43,314 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) [2022-07-22 09:36:43,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2022-07-22 09:36:43,317 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 30 [2022-07-22 09:36:43,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 09:36:43,318 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2022-07-22 09:36:43,318 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) [2022-07-22 09:36:43,318 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2022-07-22 09:36:43,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-07-22 09:36:43,319 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 09:36:43,319 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] [2022-07-22 09:36:43,338 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-22 09:36:43,531 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 [2022-07-22 09:36:43,532 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 09:36:43,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 09:36:43,532 INFO L85 PathProgramCache]: Analyzing trace with hash -796008709, now seen corresponding path program 1 times [2022-07-22 09:36:43,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 09:36:43,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806549197] [2022-07-22 09:36:43,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 09:36:43,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 09:36:43,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 09:36:43,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 09:36:43,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 09:36:43,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 09:36:43,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 09:36:43,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 09:36:43,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 09:36:43,601 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-07-22 09:36:43,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 09:36:43,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806549197] [2022-07-22 09:36:43,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806549197] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 09:36:43,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1176200857] [2022-07-22 09:36:43,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 09:36:43,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 09:36:43,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 09:36:43,604 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) [2022-07-22 09:36:43,605 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-22 09:36:43,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 09:36:43,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 09:36:43,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 09:36:43,664 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-07-22 09:36:43,664 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 09:36:43,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1176200857] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 09:36:43,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 09:36:43,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-07-22 09:36:43,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102326712] [2022-07-22 09:36:43,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 09:36:43,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 09:36:43,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 09:36:43,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 09:36:43,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-22 09:36:43,667 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) [2022-07-22 09:36:43,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 09:36:43,675 INFO L93 Difference]: Finished difference Result 39 states and 44 transitions. [2022-07-22 09:36:43,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 09:36:43,675 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 [2022-07-22 09:36:43,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 09:36:43,676 INFO L225 Difference]: With dead ends: 39 [2022-07-22 09:36:43,676 INFO L226 Difference]: Without dead ends: 26 [2022-07-22 09:36:43,677 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 [2022-07-22 09:36:43,677 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 [2022-07-22 09:36:43,678 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] [2022-07-22 09:36:43,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-07-22 09:36:43,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2022-07-22 09:36:43,681 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) [2022-07-22 09:36:43,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2022-07-22 09:36:43,682 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 36 [2022-07-22 09:36:43,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 09:36:43,683 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2022-07-22 09:36:43,683 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) [2022-07-22 09:36:43,683 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2022-07-22 09:36:43,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-07-22 09:36:43,692 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 09:36:43,692 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] [2022-07-22 09:36:43,712 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-22 09:36:43,906 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 [2022-07-22 09:36:43,906 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 09:36:43,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 09:36:43,907 INFO L85 PathProgramCache]: Analyzing trace with hash 165229081, now seen corresponding path program 1 times [2022-07-22 09:36:43,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 09:36:43,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907351903] [2022-07-22 09:36:43,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 09:36:43,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 09:36:43,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 09:36:43,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 09:36:43,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 09:36:43,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 09:36:43,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 09:36:43,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-22 09:36:43,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 09:36:43,993 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-07-22 09:36:43,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 09:36:43,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907351903] [2022-07-22 09:36:43,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907351903] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 09:36:43,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [322090620] [2022-07-22 09:36:43,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 09:36:43,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 09:36:43,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 09:36:43,996 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) [2022-07-22 09:36:43,997 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-22 09:36:44,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 09:36:44,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-22 09:36:44,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 09:36:44,071 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-07-22 09:36:44,071 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 09:36:44,114 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-07-22 09:36:44,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [322090620] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 09:36:44,115 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 09:36:44,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 9 [2022-07-22 09:36:44,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791090000] [2022-07-22 09:36:44,115 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 09:36:44,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-22 09:36:44,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 09:36:44,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-22 09:36:44,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-07-22 09:36:44,117 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) [2022-07-22 09:36:44,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 09:36:44,157 INFO L93 Difference]: Finished difference Result 54 states and 68 transitions. [2022-07-22 09:36:44,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-22 09:36:44,158 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 [2022-07-22 09:36:44,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 09:36:44,158 INFO L225 Difference]: With dead ends: 54 [2022-07-22 09:36:44,158 INFO L226 Difference]: Without dead ends: 34 [2022-07-22 09:36:44,159 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 [2022-07-22 09:36:44,160 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 [2022-07-22 09:36:44,160 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] [2022-07-22 09:36:44,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-07-22 09:36:44,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2022-07-22 09:36:44,163 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) [2022-07-22 09:36:44,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 37 transitions. [2022-07-22 09:36:44,164 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 37 transitions. Word has length 38 [2022-07-22 09:36:44,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 09:36:44,164 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 37 transitions. [2022-07-22 09:36:44,164 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) [2022-07-22 09:36:44,165 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2022-07-22 09:36:44,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-07-22 09:36:44,165 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 09:36:44,166 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] [2022-07-22 09:36:44,182 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-22 09:36:44,384 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 [2022-07-22 09:36:44,385 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 09:36:44,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 09:36:44,385 INFO L85 PathProgramCache]: Analyzing trace with hash -1299679203, now seen corresponding path program 2 times [2022-07-22 09:36:44,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 09:36:44,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311517658] [2022-07-22 09:36:44,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 09:36:44,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 09:36:44,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 09:36:44,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-22 09:36:44,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 09:36:44,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-22 09:36:44,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 09:36:44,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-22 09:36:44,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 09:36:44,463 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-07-22 09:36:44,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 09:36:44,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311517658] [2022-07-22 09:36:44,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311517658] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 09:36:44,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1667928807] [2022-07-22 09:36:44,468 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-22 09:36:44,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 09:36:44,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 09:36:44,470 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) [2022-07-22 09:36:44,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-22 09:36:44,535 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-22 09:36:44,535 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 09:36:44,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-22 09:36:44,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 09:36:44,585 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-07-22 09:36:44,585 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 09:36:44,658 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-07-22 09:36:44,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1667928807] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 09:36:44,658 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 09:36:44,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 7, 7] total 14 [2022-07-22 09:36:44,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272364732] [2022-07-22 09:36:44,659 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 09:36:44,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-22 09:36:44,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 09:36:44,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-22 09:36:44,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2022-07-22 09:36:44,662 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) [2022-07-22 09:36:44,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 09:36:44,707 INFO L93 Difference]: Finished difference Result 70 states and 84 transitions. [2022-07-22 09:36:44,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-22 09:36:44,707 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 [2022-07-22 09:36:44,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 09:36:44,709 INFO L225 Difference]: With dead ends: 70 [2022-07-22 09:36:44,710 INFO L226 Difference]: Without dead ends: 48 [2022-07-22 09:36:44,710 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 [2022-07-22 09:36:44,711 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 [2022-07-22 09:36:44,711 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] [2022-07-22 09:36:44,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-07-22 09:36:44,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 47. [2022-07-22 09:36:44,714 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) [2022-07-22 09:36:44,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 51 transitions. [2022-07-22 09:36:44,715 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 51 transitions. Word has length 50 [2022-07-22 09:36:44,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 09:36:44,715 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 51 transitions. [2022-07-22 09:36:44,716 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) [2022-07-22 09:36:44,716 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2022-07-22 09:36:44,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-07-22 09:36:44,717 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 09:36:44,717 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] [2022-07-22 09:36:44,737 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-22 09:36:44,923 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 [2022-07-22 09:36:44,924 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 09:36:44,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 09:36:44,924 INFO L85 PathProgramCache]: Analyzing trace with hash 936210247, now seen corresponding path program 3 times [2022-07-22 09:36:44,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 09:36:44,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254952935] [2022-07-22 09:36:44,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 09:36:44,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 09:36:44,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 09:36:44,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-22 09:36:44,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 09:36:45,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-22 09:36:45,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 09:36:45,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-22 09:36:45,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 09:36:45,022 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2022-07-22 09:36:45,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 09:36:45,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254952935] [2022-07-22 09:36:45,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254952935] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 09:36:45,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1399697617] [2022-07-22 09:36:45,023 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-22 09:36:45,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 09:36:45,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 09:36:45,040 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) [2022-07-22 09:36:45,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-22 09:36:45,100 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-07-22 09:36:45,101 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 09:36:45,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 09:36:45,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 09:36:45,135 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 32 proven. 4 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2022-07-22 09:36:45,135 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 09:36:45,167 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 32 proven. 4 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2022-07-22 09:36:45,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1399697617] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 09:36:45,167 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 09:36:45,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2022-07-22 09:36:45,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005593336] [2022-07-22 09:36:45,168 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 09:36:45,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-22 09:36:45,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 09:36:45,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-22 09:36:45,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2022-07-22 09:36:45,170 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) [2022-07-22 09:36:45,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 09:36:45,201 INFO L93 Difference]: Finished difference Result 78 states and 91 transitions. [2022-07-22 09:36:45,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-22 09:36:45,203 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 [2022-07-22 09:36:45,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 09:36:45,204 INFO L225 Difference]: With dead ends: 78 [2022-07-22 09:36:45,204 INFO L226 Difference]: Without dead ends: 55 [2022-07-22 09:36:45,204 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 [2022-07-22 09:36:45,205 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 [2022-07-22 09:36:45,205 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] [2022-07-22 09:36:45,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2022-07-22 09:36:45,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2022-07-22 09:36:45,209 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) [2022-07-22 09:36:45,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 59 transitions. [2022-07-22 09:36:45,210 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 59 transitions. Word has length 64 [2022-07-22 09:36:45,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 09:36:45,210 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 59 transitions. [2022-07-22 09:36:45,211 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) [2022-07-22 09:36:45,211 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 59 transitions. [2022-07-22 09:36:45,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-07-22 09:36:45,212 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 09:36:45,212 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] [2022-07-22 09:36:45,231 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-22 09:36:45,425 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 [2022-07-22 09:36:45,426 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 09:36:45,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 09:36:45,426 INFO L85 PathProgramCache]: Analyzing trace with hash 571451455, now seen corresponding path program 4 times [2022-07-22 09:36:45,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 09:36:45,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206152133] [2022-07-22 09:36:45,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 09:36:45,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 09:36:45,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 09:36:45,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-22 09:36:45,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 09:36:45,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-22 09:36:45,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 09:36:45,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-22 09:36:45,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 09:36:45,574 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 0 proven. 212 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2022-07-22 09:36:45,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 09:36:45,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206152133] [2022-07-22 09:36:45,575 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206152133] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 09:36:45,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [571121942] [2022-07-22 09:36:45,575 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-07-22 09:36:45,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 09:36:45,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 09:36:45,576 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) [2022-07-22 09:36:45,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-07-22 09:36:45,662 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-07-22 09:36:45,663 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 09:36:45,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-22 09:36:45,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 09:36:45,694 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 172 proven. 36 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2022-07-22 09:36:45,695 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 09:36:45,754 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 0 proven. 212 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2022-07-22 09:36:45,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [571121942] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 09:36:45,754 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 09:36:45,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 12 [2022-07-22 09:36:45,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889253910] [2022-07-22 09:36:45,755 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 09:36:45,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-22 09:36:45,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 09:36:45,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-22 09:36:45,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2022-07-22 09:36:45,756 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) [2022-07-22 09:36:45,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 09:36:45,785 INFO L93 Difference]: Finished difference Result 94 states and 107 transitions. [2022-07-22 09:36:45,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-22 09:36:45,788 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 [2022-07-22 09:36:45,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 09:36:45,789 INFO L225 Difference]: With dead ends: 94 [2022-07-22 09:36:45,789 INFO L226 Difference]: Without dead ends: 63 [2022-07-22 09:36:45,789 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 [2022-07-22 09:36:45,790 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 [2022-07-22 09:36:45,790 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] [2022-07-22 09:36:45,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-07-22 09:36:45,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2022-07-22 09:36:45,794 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) [2022-07-22 09:36:45,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 67 transitions. [2022-07-22 09:36:45,795 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 67 transitions. Word has length 88 [2022-07-22 09:36:45,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 09:36:45,796 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 67 transitions. [2022-07-22 09:36:45,796 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) [2022-07-22 09:36:45,796 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 67 transitions. [2022-07-22 09:36:45,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-22 09:36:45,797 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 09:36:45,797 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] [2022-07-22 09:36:45,814 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-07-22 09:36:46,014 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 [2022-07-22 09:36:46,014 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 09:36:46,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 09:36:46,015 INFO L85 PathProgramCache]: Analyzing trace with hash -2026866377, now seen corresponding path program 5 times [2022-07-22 09:36:46,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 09:36:46,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120761707] [2022-07-22 09:36:46,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 09:36:46,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 09:36:46,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 09:36:46,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-22 09:36:46,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 09:36:46,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-22 09:36:46,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 09:36:46,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-22 09:36:46,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 09:36:46,140 INFO L134 CoverageAnalysis]: Checked inductivity of 1079 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1075 trivial. 0 not checked. [2022-07-22 09:36:46,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 09:36:46,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120761707] [2022-07-22 09:36:46,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120761707] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 09:36:46,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1160591482] [2022-07-22 09:36:46,142 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-07-22 09:36:46,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 09:36:46,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 09:36:46,144 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) [2022-07-22 09:36:46,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-07-22 09:36:46,487 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 22 check-sat command(s) [2022-07-22 09:36:46,487 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 09:36:46,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 09:36:46,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 09:36:46,516 INFO L134 CoverageAnalysis]: Checked inductivity of 1079 backedges. 450 proven. 4 refuted. 0 times theorem prover too weak. 625 trivial. 0 not checked. [2022-07-22 09:36:46,517 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 09:36:46,546 INFO L134 CoverageAnalysis]: Checked inductivity of 1079 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1075 trivial. 0 not checked. [2022-07-22 09:36:46,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1160591482] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 09:36:46,546 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 09:36:46,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2022-07-22 09:36:46,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516051989] [2022-07-22 09:36:46,547 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 09:36:46,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-22 09:36:46,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 09:36:46,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-22 09:36:46,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2022-07-22 09:36:46,548 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) [2022-07-22 09:36:46,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 09:36:46,569 INFO L93 Difference]: Finished difference Result 102 states and 110 transitions. [2022-07-22 09:36:46,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-22 09:36:46,569 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 [2022-07-22 09:36:46,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 09:36:46,570 INFO L225 Difference]: With dead ends: 102 [2022-07-22 09:36:46,570 INFO L226 Difference]: Without dead ends: 71 [2022-07-22 09:36:46,571 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 [2022-07-22 09:36:46,571 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 [2022-07-22 09:36:46,572 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] [2022-07-22 09:36:46,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2022-07-22 09:36:46,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2022-07-22 09:36:46,576 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) [2022-07-22 09:36:46,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 75 transitions. [2022-07-22 09:36:46,576 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 75 transitions. Word has length 112 [2022-07-22 09:36:46,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 09:36:46,577 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 75 transitions. [2022-07-22 09:36:46,577 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) [2022-07-22 09:36:46,577 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 75 transitions. [2022-07-22 09:36:46,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-07-22 09:36:46,578 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 09:36:46,578 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] [2022-07-22 09:36:46,600 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-07-22 09:36:46,798 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 [2022-07-22 09:36:46,798 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 09:36:46,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 09:36:46,799 INFO L85 PathProgramCache]: Analyzing trace with hash 2045037743, now seen corresponding path program 6 times [2022-07-22 09:36:46,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 09:36:46,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324440083] [2022-07-22 09:36:46,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 09:36:46,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 09:36:46,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 09:36:46,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-22 09:36:46,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 09:36:46,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-22 09:36:46,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 09:36:46,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-22 09:36:46,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 09:36:46,921 INFO L134 CoverageAnalysis]: Checked inductivity of 1111 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1075 trivial. 0 not checked. [2022-07-22 09:36:46,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 09:36:46,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324440083] [2022-07-22 09:36:46,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324440083] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 09:36:46,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1379870613] [2022-07-22 09:36:46,922 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-07-22 09:36:46,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 09:36:46,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 09:36:46,923 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) [2022-07-22 09:36:46,954 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-07-22 09:36:47,223 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2022-07-22 09:36:47,223 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 09:36:47,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-22 09:36:47,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 09:36:47,255 INFO L134 CoverageAnalysis]: Checked inductivity of 1111 backedges. 450 proven. 36 refuted. 0 times theorem prover too weak. 625 trivial. 0 not checked. [2022-07-22 09:36:47,255 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 09:36:47,297 INFO L134 CoverageAnalysis]: Checked inductivity of 1111 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1075 trivial. 0 not checked. [2022-07-22 09:36:47,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1379870613] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 09:36:47,297 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 09:36:47,298 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 12 [2022-07-22 09:36:47,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141976879] [2022-07-22 09:36:47,298 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 09:36:47,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-22 09:36:47,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 09:36:47,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-22 09:36:47,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2022-07-22 09:36:47,299 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) [2022-07-22 09:36:47,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 09:36:47,325 INFO L93 Difference]: Finished difference Result 108 states and 115 transitions. [2022-07-22 09:36:47,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-22 09:36:47,326 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 [2022-07-22 09:36:47,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 09:36:47,327 INFO L225 Difference]: With dead ends: 108 [2022-07-22 09:36:47,327 INFO L226 Difference]: Without dead ends: 77 [2022-07-22 09:36:47,327 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 [2022-07-22 09:36:47,328 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 [2022-07-22 09:36:47,328 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] [2022-07-22 09:36:47,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-07-22 09:36:47,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2022-07-22 09:36:47,332 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) [2022-07-22 09:36:47,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 81 transitions. [2022-07-22 09:36:47,333 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 81 transitions. Word has length 120 [2022-07-22 09:36:47,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 09:36:47,333 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 81 transitions. [2022-07-22 09:36:47,333 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) [2022-07-22 09:36:47,333 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 81 transitions. [2022-07-22 09:36:47,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-07-22 09:36:47,334 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 09:36:47,334 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] [2022-07-22 09:36:47,352 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-07-22 09:36:47,551 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 [2022-07-22 09:36:47,552 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 09:36:47,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 09:36:47,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1529370487, now seen corresponding path program 7 times [2022-07-22 09:36:47,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 09:36:47,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524282398] [2022-07-22 09:36:47,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 09:36:47,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 09:36:48,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 09:37:04,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-22 09:37:04,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 09:37:07,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-22 09:37:07,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 09:37:10,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-22 09:37:10,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 09:37:14,410 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 30 proven. 1092 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-22 09:37:14,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 09:37:14,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524282398] [2022-07-22 09:37:14,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524282398] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 09:37:14,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [709288172] [2022-07-22 09:37:14,411 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-07-22 09:37:14,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 09:37:14,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 09:37:14,412 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) [2022-07-22 09:37:14,413 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-07-22 09:37:14,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 09:37:14,550 WARN L261 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 260 conjunts are in the unsatisfiable core [2022-07-22 09:37:14,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 09:37:15,715 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 [2022-07-22 09:38:21,879 WARN L233 SmtUtils]: Spent 39.63s on a formula simplification. DAG size of input: 231 DAG size of output: 186 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-07-22 09:39:32,546 WARN L233 SmtUtils]: Spent 14.39s on a formula simplification that was a NOOP. DAG size: 188 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-07-22 09:39:32,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 09:39:32,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 09:39:32,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 09:39:32,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 09:39:32,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 09:39:32,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 09:39:32,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 09:39:32,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 09:39:32,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 09:39:32,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 09:39:32,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 09:39:32,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 09:39:32,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 09:39:32,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 09:39:32,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 09:39:32,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 09:39:32,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 09:39:32,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 09:39:32,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 09:39:32,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 09:39:32,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 09:39:32,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 09:39:32,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 09:39:32,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 09:39:32,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 09:39:32,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 09:39:32,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 09:39:32,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 09:39:32,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 09:39:32,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 09:39:32,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 09:39:32,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 09:39:32,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 09:39:32,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 09:39:32,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 09:39:32,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 09:39:32,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 09:39:32,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 09:39:32,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 09:39:32,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 09:39:32,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 09:39:32,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 09:39:32,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 09:39:32,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 09:39:32,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 09:39:32,680 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-22 09:39:32,681 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 4491 treesize of output 1595 [2022-07-22 09:40:27,955 WARN L233 SmtUtils]: Spent 15.67s on a formula simplification that was a NOOP. DAG size: 188 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-07-22 09:40:39,031 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_375_461_602_209| Int) (|aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_375_461| 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) (|aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_375_461_602| Int)) (let ((.cse14 (select |c_#memory_int| |v_ULTIMATE.start_main_~#x~0#1.base_BEFORE_CALL_1|))) (let ((.cse13 (select .cse14 36)) (.cse10 (select .cse14 16)) (.cse5 (select .cse14 28)) (.cse7 (select .cse14 12)) (.cse9 (select .cse14 4)) (.cse6 (select .cse14 32)) (.cse8 (select .cse14 8)) (.cse11 (select .cse14 24)) (.cse12 (select .cse14 0)) (.cse4 (select .cse14 20))) (let ((.cse1 (div (+ .cse13 .cse10 .cse5 .cse7 .cse9 .cse6 .cse8 .cse11 .cse12 .cse4 10) 10)) (.cse3 (div (+ (* (- 1) .cse4) (- 1) (* (- 1) .cse5) (* (- 1) .cse6) (* (- 1) .cse7) (* (- 1) .cse8) (* (- 1) .cse9) (* (- 1) .cse10) (* (- 1) .cse11) (* (- 1) .cse12) (* (- 1) .cse13)) (- 10))) (.cse2 (* |aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_375_461| 4294967296)) (.cse0 (* |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_375_461_602_209| 4294967296))) (and (< .cse0 (+ 4294967296 (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_375_461_602| 4294967296))) (< (+ |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_602_209|) (+ (div (+ .cse1 (- 2147483649)) 4294967296) 1)) (< .cse2 4294967296) (< 0 .cse1) (<= (+ .cse3 (* |aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_375| 4294967296)) (+ .cse1 .cse0)) (<= 0 (+ 4294967295 .cse2)) (<= .cse3 (+ .cse2 .cse0 4294967296)) (< |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_375_461_602| (+ |aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_375| 1))))))) (exists ((|aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_471| Int) (|aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_471| Int) (|v_ULTIMATE.start_main_~#x~0#1.base_BEFORE_CALL_1| Int)) (let ((.cse30 (select |c_#memory_int| |v_ULTIMATE.start_main_~#x~0#1.base_BEFORE_CALL_1|))) (let ((.cse27 (select .cse30 20)) (.cse20 (select .cse30 28)) (.cse23 (select .cse30 32)) (.cse21 (select .cse30 12)) (.cse24 (select .cse30 8)) (.cse22 (select .cse30 4)) (.cse19 (select .cse30 16)) (.cse25 (select .cse30 24)) (.cse26 (select .cse30 0)) (.cse18 (select .cse30 36))) (let ((.cse15 (+ (* (- 1) .cse27) (- 1) (* (- 1) .cse20) (* (- 1) .cse23) (* (- 1) .cse21) (* (- 1) .cse24) (* (- 1) .cse22) (* (- 1) .cse19) (* (- 1) .cse25) (* (- 1) .cse26) (* (- 1) .cse18)))) (let ((.cse16 (div .cse15 (- 10)))) (let ((.cse17 (div (+ .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 9 .cse24 .cse25 .cse26 .cse27) 10)) (.cse29 (+ .cse16 |aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_471|)) (.cse28 (* |aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_471| 4294967296))) (and (< 0 (+ (div .cse15 10) 1)) (< (div (+ 2147483647 (* (- 1) .cse16)) (- 4294967296)) (+ (div .cse17 4294967296) 1)) (<= 0 |aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_471|) (< |aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_471| (+ (div (+ (* 42949672960 |aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_471|) .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 (* .cse16 (- 10)) (* |aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_471| (- 10)) .cse24 .cse25 .cse26 .cse27 10) 42949672960) 1)) (< .cse16 (+ .cse17 1)) (<= .cse28 .cse29) (< .cse29 (+ .cse28 4294967296))))))))) (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 ((.cse45 (select |c_#memory_int| |v_ULTIMATE.start_main_~#x~0#1.base_BEFORE_CALL_1|))) (let ((.cse44 (select .cse45 36)) (.cse41 (select .cse45 16)) (.cse36 (select .cse45 28)) (.cse38 (select .cse45 12)) (.cse40 (select .cse45 4)) (.cse37 (select .cse45 32)) (.cse39 (select .cse45 8)) (.cse42 (select .cse45 24)) (.cse43 (select .cse45 0)) (.cse35 (select .cse45 20))) (let ((.cse34 (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_473_578_479| 4294967296)) (.cse31 (div (+ .cse44 .cse41 .cse36 .cse38 .cse40 .cse37 .cse39 .cse42 .cse43 .cse35 10) 10)) (.cse32 (div (+ (* (- 1) .cse35) (- 1) (* (- 1) .cse36) (* (- 1) .cse37) (* (- 1) .cse38) (* (- 1) .cse39) (* (- 1) .cse40) (* (- 1) .cse41) (* (- 1) .cse42) (* (- 1) .cse43) (* (- 1) .cse44)) (- 10))) (.cse33 (* |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 (+ .cse31 (- 1)) 4294967296) 1)) (< .cse32 (+ 4294967297 .cse33)) (< 0 .cse31) (<= (+ .cse32 .cse34) (+ .cse31 (* |aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_473| 4294967296))) (<= (+ .cse34 1) .cse31) (< |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)) (<= .cse32 (+ (* |aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_473_578| 4294967296) .cse33 2147483648))))))) (exists ((|aux_div_aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_591_892_725| Int) (|aux_mod_aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_591_483| Int) (|aux_mod_aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_591_892_725| Int) (|aux_div_aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_591_483| Int) (|aux_div_aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_591_892_1081_956_750| Int) (|aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_591_892_1081| Int) (|aux_mod_aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_591_892_1081_956_750| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_591_892_1081_956_525| Int) (|v_ULTIMATE.start_main_~#x~0#1.base_BEFORE_CALL_1| Int)) (let ((.cse68 (select |c_#memory_int| |v_ULTIMATE.start_main_~#x~0#1.base_BEFORE_CALL_1|))) (let ((.cse58 (select .cse68 36)) (.cse59 (select .cse68 16)) (.cse60 (select .cse68 28)) (.cse61 (select .cse68 12)) (.cse62 (select .cse68 4)) (.cse63 (select .cse68 32)) (.cse64 (select .cse68 8)) (.cse65 (select .cse68 24)) (.cse66 (select .cse68 0)) (.cse67 (select .cse68 20))) (let ((.cse55 (div (+ .cse58 .cse59 .cse60 .cse61 .cse62 .cse63 9 .cse64 .cse65 .cse66 .cse67) 10)) (.cse54 (div (+ (* (- 1) .cse67) (- 1) (* (- 1) .cse60) (* (- 1) .cse63) (* (- 1) .cse61) (* (- 1) .cse64) (* (- 1) .cse62) (* (- 1) .cse59) (* (- 1) .cse65) (* (- 1) .cse66) (* (- 1) .cse58)) (- 10)))) (let ((.cse46 (* .cse54 3)) (.cse48 (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_591_892_1081| 2147483648)) (.cse51 (div (+ .cse55 6442450944) 2)) (.cse57 (* |aux_div_aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_591_483| 4294967296)) (.cse56 (* |aux_mod_aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_591_483| 2)) (.cse47 (* 2 |aux_mod_aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_591_892_1081_956_750|)) (.cse53 (* .cse54 2)) (.cse49 (* |aux_div_aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_591_892_1081_956_750| 4294967296)) (.cse50 (div (+ .cse58 .cse59 .cse60 .cse61 .cse62 .cse63 .cse64 .cse65 .cse66 .cse67 10) 10)) (.cse52 (* .cse55 2))) (and (<= (+ .cse46 .cse47 .cse48 .cse49 4294967296) (+ .cse50 .cse51 .cse52)) (< (+ .cse50 .cse52) (+ .cse47 4294967297 .cse53 .cse49)) (< .cse54 (+ (div .cse55 2) 1)) (<= (+ .cse56 .cse53) (+ .cse50 .cse55 4294967295 .cse57)) (<= (+ .cse46 .cse56 .cse48 1) (+ .cse50 .cse51 .cse55 .cse57)) (<= 0 |aux_mod_aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_591_892_725|) (<= 0 |aux_mod_aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_591_892_1081_956_750|) (< (+ (* |aux_div_aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_591_892_725| 4294967296) (* 2 |aux_mod_aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_591_892_725|) .cse57 4294967293) (+ .cse55 .cse56)) (<= 0 |aux_mod_aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_591_483|) (< (+ |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_591_892_1081_956_525| (div (+ (* (- 1) .cse54) (div (+ .cse55 2147483648) 2)) (- 2147483648))) (+ |aux_div_aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_591_892_725| 1)) (<= (+ .cse47 .cse53 .cse49 1) (+ .cse50 .cse52 (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_591_892_1081_956_525| 4294967296))) (< |aux_div_aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_591_483| (+ |aux_div_aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_591_892_1081_956_750| |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_591_892_1081| 1)))))))) (exists ((|aux_div_aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_351_483| Int) (|aux_mod_aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_351_483| Int) (|aux_mod_aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_351_666_933_495_749| Int) (|aux_div_aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_351_666_725| Int) (|aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_351_666_933| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_351_666_933_495_1153| Int) (|aux_mod_aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_351_666_725| Int) (|v_ULTIMATE.start_main_~#x~0#1.base_BEFORE_CALL_1| Int) (|aux_div_aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_351_666_933_495_749| Int)) (let ((.cse91 (select |c_#memory_int| |v_ULTIMATE.start_main_~#x~0#1.base_BEFORE_CALL_1|))) (let ((.cse81 (select .cse91 36)) (.cse82 (select .cse91 16)) (.cse83 (select .cse91 28)) (.cse84 (select .cse91 12)) (.cse85 (select .cse91 4)) (.cse86 (select .cse91 32)) (.cse87 (select .cse91 8)) (.cse88 (select .cse91 24)) (.cse89 (select .cse91 0)) (.cse90 (select .cse91 20))) (let ((.cse74 (div (+ .cse81 .cse82 .cse83 .cse84 .cse85 .cse86 9 .cse87 .cse88 .cse89 .cse90) 10)) (.cse70 (div (+ (* (- 1) .cse90) (- 1) (* (- 1) .cse83) (* (- 1) .cse86) (* (- 1) .cse84) (* (- 1) .cse87) (* (- 1) .cse85) (* (- 1) .cse82) (* (- 1) .cse88) (* (- 1) .cse89) (* (- 1) .cse81)) (- 10)))) (let ((.cse71 (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_351_666_933| 4294967296)) (.cse76 (* .cse70 2)) (.cse69 (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_351_666_933_495_1153| 2147483648)) (.cse73 (div (+ .cse74 6442450944) 2)) (.cse78 (* .cse74 2)) (.cse79 (* |aux_mod_aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_351_666_725| 2)) (.cse80 (* |aux_div_aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_351_666_725| 4294967296)) (.cse75 (* 4294967296 |aux_div_aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_351_666_933_495_749|)) (.cse77 (* |aux_mod_aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_351_666_933_495_749| 2)) (.cse72 (div (+ .cse81 .cse82 .cse83 .cse84 .cse85 .cse86 .cse87 .cse88 .cse89 .cse90 10) 10))) (and (<= 0 |aux_mod_aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_351_483|) (<= (+ .cse69 .cse70 .cse71 6442450945) (+ .cse72 .cse73 .cse74)) (< .cse70 (+ (div .cse74 2) 1)) (<= (+ .cse75 .cse76 .cse77) (+ .cse72 .cse78)) (<= 0 |aux_mod_aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_351_666_933_495_749|) (< (+ .cse69 .cse70) .cse73) (< (div (+ 4294967295 (* (- 1) .cse70)) (- 2147483648)) (+ |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_351_666_933| |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_351_666_933_495_1153| |aux_div_aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_351_666_933_495_749| 1)) (< (+ 2147483647 .cse74 .cse71) (+ .cse79 .cse80 .cse76)) (<= (+ (* .cse70 3) .cse69 .cse75 4294967296 .cse77) (+ .cse72 .cse73 .cse78)) (< |aux_div_aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_351_483| (+ |aux_div_aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_351_666_725| 1)) (< (+ .cse79 .cse80) (+ 2 .cse75 .cse77)) (<= (+ (* 2 |aux_mod_aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_351_483|) .cse75 (* .cse70 4) .cse77) (+ .cse72 (* .cse74 3) (* |aux_div_aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_351_483| 4294967296))) (<= 0 |aux_mod_aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_351_666_725|))))))) (exists ((|aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_451_547| Int) (|aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_451_547_206| Int) (|aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_451| Int) (|v_ULTIMATE.start_main_~#x~0#1.base_BEFORE_CALL_1| Int) (|aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_451_547_206| Int)) (let ((.cse104 (select |c_#memory_int| |v_ULTIMATE.start_main_~#x~0#1.base_BEFORE_CALL_1|)) (.cse103 (* 4294967296 |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_451_547_206|))) (let ((.cse92 (+ 2147483647 .cse103)) (.cse102 (select .cse104 20)) (.cse95 (select .cse104 28)) (.cse98 (select .cse104 32)) (.cse96 (select .cse104 12)) (.cse99 (select .cse104 8)) (.cse97 (select .cse104 4)) (.cse94 (select .cse104 16)) (.cse100 (select .cse104 24)) (.cse101 (select .cse104 0)) (.cse93 (select .cse104 36))) (and (<= (+ |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_451_547_206| (* |aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_451_547| 4294967296)) .cse92) (<= |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_451_547_206| .cse92) (<= 0 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_451_547_206|) (<= |aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_451| (div (+ .cse93 .cse94 .cse95 .cse96 .cse97 (* (- 42949672960) |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_451_547_206|) .cse98 .cse99 .cse100 .cse101 .cse102 (* |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_451_547_206| 10) (- 21474836470)) 42949672960)) (< .cse103 (+ 2147483649 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_451_547_206|)) (<= |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_451_547_206| (+ 2147483647 .cse103 (* |aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_451| 4294967296) (div (+ (* (- 1) .cse102) (* (- 1) .cse95) (* (- 1) .cse98) (* (- 1) .cse96) (* (- 1) .cse99) (* (- 1) .cse97) (* (- 1) .cse94) (* (- 1) .cse100) (* (- 1) .cse101) (* (- 1) .cse93)) 10))) (< |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_451_547_206| (+ |aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_451_547| 1)))))) (exists ((|aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_463_565_198| Int) (|aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_463_565| Int) (|aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_463_565_198| Int) (|aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_463| Int) (|v_ULTIMATE.start_main_~#x~0#1.base_BEFORE_CALL_1| Int)) (let ((.cse106 (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_463_565_198| 4294967296)) (.cse117 (select |c_#memory_int| |v_ULTIMATE.start_main_~#x~0#1.base_BEFORE_CALL_1|))) (let ((.cse116 (select .cse117 36)) (.cse113 (select .cse117 16)) (.cse108 (select .cse117 28)) (.cse110 (select .cse117 12)) (.cse112 (select .cse117 4)) (.cse109 (select .cse117 32)) (.cse111 (select .cse117 8)) (.cse114 (select .cse117 24)) (.cse115 (select .cse117 0)) (.cse107 (select .cse117 20)) (.cse105 (+ .cse106 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_463_565_198|))) (and (<= .cse105 (+ 2147483647 (* |aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_463_565| 4294967296))) (< |aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_463_565| (+ |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_463_565_198| 1)) (<= 2147483648 (+ .cse106 (div (+ (* (- 1) .cse107) 42949672960 (* (- 1) .cse108) (* (- 1) .cse109) (* (- 1) .cse110) (* (- 1) .cse111) (* (- 1) .cse112) (* (- 1) .cse113) (* (- 1) .cse114) (* (- 1) .cse115) (* (- 1) .cse116)) 10) |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_463_565_198| (* |aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_463| 4294967296))) (<= 0 (+ .cse106 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_463_565_198| 2147483648)) (<= |aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_463| (div (+ .cse116 .cse113 .cse108 .cse110 .cse112 (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_463_565_198| (- 42949672960)) (* |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_463_565_198| (- 10)) .cse109 .cse111 (- 21474836480) .cse114 .cse115 .cse107) 42949672960)) (< .cse105 2147483648) (<= 0 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_463_565_198|)))))) is different from true