./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-ext/20_lamport.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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/pthread-ext/20_lamport.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4bd0a104431602f65d67040bef1f743648c257ee ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 20:20:22,717 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 20:20:22,719 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 20:20:22,737 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 20:20:22,738 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 20:20:22,740 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 20:20:22,742 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 20:20:22,756 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 20:20:22,758 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 20:20:22,761 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 20:20:22,763 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 20:20:22,765 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 20:20:22,766 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 20:20:22,768 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 20:20:22,770 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 20:20:22,771 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 20:20:22,774 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 20:20:22,776 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 20:20:22,778 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 20:20:22,784 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 20:20:22,788 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 20:20:22,789 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 20:20:22,790 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 20:20:22,791 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 20:20:22,794 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 20:20:22,794 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 20:20:22,794 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 20:20:22,795 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 20:20:22,796 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 20:20:22,797 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 20:20:22,798 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 20:20:22,799 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 20:20:22,800 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 20:20:22,801 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 20:20:22,802 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 20:20:22,802 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 20:20:22,803 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 20:20:22,803 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 20:20:22,803 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 20:20:22,804 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 20:20:22,805 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 20:20:22,806 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 20:20:22,821 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 20:20:22,821 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 20:20:22,823 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 20:20:22,823 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 20:20:22,823 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 20:20:22,824 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 20:20:22,824 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 20:20:22,824 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 20:20:22,825 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 20:20:22,825 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 20:20:22,825 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 20:20:22,826 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 20:20:22,826 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 20:20:22,826 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 20:20:22,826 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 20:20:22,827 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 20:20:22,827 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 20:20:22,827 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 20:20:22,828 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 20:20:22,828 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 20:20:22,828 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 20:20:22,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 20:20:22,829 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 20:20:22,829 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 20:20:22,829 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 20:20:22,830 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 20:20:22,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 20:20:22,830 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 20:20:22,830 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 20:20:22,831 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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(__VERIFIER_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 -> 4bd0a104431602f65d67040bef1f743648c257ee [2020-07-28 20:20:23,149 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 20:20:23,162 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 20:20:23,166 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 20:20:23,168 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 20:20:23,168 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 20:20:23,169 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/20_lamport.i [2020-07-28 20:20:23,242 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ff09dc7b/63fe2f5dbfb3401ba8eaab2a94d4e4f7/FLAG7f87c99d6 [2020-07-28 20:20:23,725 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 20:20:23,725 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/20_lamport.i [2020-07-28 20:20:23,738 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ff09dc7b/63fe2f5dbfb3401ba8eaab2a94d4e4f7/FLAG7f87c99d6 [2020-07-28 20:20:24,067 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ff09dc7b/63fe2f5dbfb3401ba8eaab2a94d4e4f7 [2020-07-28 20:20:24,070 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 20:20:24,072 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 20:20:24,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 20:20:24,074 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 20:20:24,077 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 20:20:24,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 08:20:24" (1/1) ... [2020-07-28 20:20:24,083 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@698f9d81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:20:24, skipping insertion in model container [2020-07-28 20:20:24,083 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 08:20:24" (1/1) ... [2020-07-28 20:20:24,093 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 20:20:24,139 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 20:20:24,613 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 20:20:24,628 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 20:20:24,698 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 20:20:24,769 INFO L208 MainTranslator]: Completed translation [2020-07-28 20:20:24,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:20:24 WrapperNode [2020-07-28 20:20:24,770 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 20:20:24,771 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 20:20:24,771 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 20:20:24,772 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 20:20:24,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:20:24" (1/1) ... [2020-07-28 20:20:24,798 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:20:24" (1/1) ... [2020-07-28 20:20:24,825 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 20:20:24,826 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 20:20:24,826 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 20:20:24,826 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 20:20:24,836 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:20:24" (1/1) ... [2020-07-28 20:20:24,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:20:24" (1/1) ... [2020-07-28 20:20:24,839 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:20:24" (1/1) ... [2020-07-28 20:20:24,840 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:20:24" (1/1) ... [2020-07-28 20:20:24,847 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:20:24" (1/1) ... [2020-07-28 20:20:24,855 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:20:24" (1/1) ... [2020-07-28 20:20:24,857 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:20:24" (1/1) ... [2020-07-28 20:20:24,861 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 20:20:24,861 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 20:20:24,862 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 20:20:24,862 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 20:20:24,863 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:20:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 20:20:24,929 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-07-28 20:20:24,929 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-07-28 20:20:24,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-28 20:20:24,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 20:20:24,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 20:20:24,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 20:20:24,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 20:20:24,932 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-07-28 20:20:25,400 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 20:20:25,401 INFO L295 CfgBuilder]: Removed 14 assume(true) statements. [2020-07-28 20:20:25,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 08:20:25 BoogieIcfgContainer [2020-07-28 20:20:25,405 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 20:20:25,407 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 20:20:25,407 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 20:20:25,410 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 20:20:25,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 08:20:24" (1/3) ... [2020-07-28 20:20:25,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75055459 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 08:20:25, skipping insertion in model container [2020-07-28 20:20:25,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:20:24" (2/3) ... [2020-07-28 20:20:25,413 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75055459 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 08:20:25, skipping insertion in model container [2020-07-28 20:20:25,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 08:20:25" (3/3) ... [2020-07-28 20:20:25,415 INFO L109 eAbstractionObserver]: Analyzing ICFG 20_lamport.i [2020-07-28 20:20:25,427 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-07-28 20:20:25,427 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 20:20:25,437 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-07-28 20:20:25,438 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-07-28 20:20:25,471 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:20:25,471 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:20:25,471 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:20:25,472 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:20:25,473 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:20:25,474 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:20:25,478 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:20:25,479 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:20:25,479 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:20:25,480 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:20:25,501 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-07-28 20:20:25,523 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 20:20:25,524 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 20:20:25,524 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 20:20:25,524 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 20:20:25,525 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 20:20:25,525 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 20:20:25,525 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 20:20:25,525 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 20:20:25,542 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 92 transitions, 189 flow [2020-07-28 20:20:25,544 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 72 places, 92 transitions, 189 flow [2020-07-28 20:20:25,591 INFO L129 PetriNetUnfolder]: 24/91 cut-off events. [2020-07-28 20:20:25,591 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-07-28 20:20:25,601 INFO L80 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 91 events. 24/91 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 162 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 78. Up to 5 conditions per place. [2020-07-28 20:20:25,606 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 72 places, 92 transitions, 189 flow [2020-07-28 20:20:25,627 INFO L129 PetriNetUnfolder]: 24/91 cut-off events. [2020-07-28 20:20:25,628 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-07-28 20:20:25,629 INFO L80 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 91 events. 24/91 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 162 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 78. Up to 5 conditions per place. [2020-07-28 20:20:25,633 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 2992 [2020-07-28 20:20:25,635 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-07-28 20:20:27,710 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2020-07-28 20:20:27,836 INFO L206 etLargeBlockEncoding]: Checked pairs total: 7520 [2020-07-28 20:20:27,836 INFO L214 etLargeBlockEncoding]: Total number of compositions: 46 [2020-07-28 20:20:27,840 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 39 places, 51 transitions, 107 flow [2020-07-28 20:20:27,864 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 291 states. [2020-07-28 20:20:27,867 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states. [2020-07-28 20:20:27,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-07-28 20:20:27,874 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 20:20:27,875 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-07-28 20:20:27,876 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 20:20:27,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 20:20:27,885 INFO L82 PathProgramCache]: Analyzing trace with hash 12384667, now seen corresponding path program 1 times [2020-07-28 20:20:27,896 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 20:20:27,897 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183968470] [2020-07-28 20:20:27,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 20:20:28,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 20:20:28,064 INFO L280 TraceCheckUtils]: 0: Hoare triple {657#true} [374] ULTIMATE.startENTRY-->L732: Formula: (let ((.cse0 (store |v_#valid_29| 0 0))) (and (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t~0.base_18|)) (= |v_ULTIMATE.start_main_~#t~0.offset_13| 0) (= (store .cse0 |v_ULTIMATE.start_main_~#t~0.base_18| 1) |v_#valid_27|) (= (store |v_#length_10| |v_ULTIMATE.start_main_~#t~0.base_18| 4) |v_#length_9|) (= |v_#memory_int_7| (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t~0.base_18| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t~0.base_18|) |v_ULTIMATE.start_main_~#t~0.offset_13| 0))) (= 0 v_~b1~0_56) (= v_~X~0_65 0) (= v_~y~0_204 0) (= 0 |v_#NULL.offset_4|) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t~0.base_18|) (= 0 v_~x~0_108) (< 0 |v_#StackHeapBarrier_9|) (= 0 v_~b2~0_77) (= 0 |v_#NULL.base_4|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_29|, #memory_int=|v_#memory_int_8|, #length=|v_#length_10|} OutVars{~b2~0=v_~b2~0_77, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_9|, #NULL.offset=|v_#NULL.offset_4|, ULTIMATE.start_main_~#t~0.offset=|v_ULTIMATE.start_main_~#t~0.offset_13|, ~X~0=v_~X~0_65, #NULL.base=|v_#NULL.base_4|, #StackHeapBarrier=|v_#StackHeapBarrier_9|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_15|, #valid=|v_#valid_27|, ULTIMATE.start_main_#t~ret3.offset=|v_ULTIMATE.start_main_#t~ret3.offset_24|, #memory_int=|v_#memory_int_7|, ULTIMATE.start_main_#t~ret3.base=|v_ULTIMATE.start_main_#t~ret3.base_24|, ULTIMATE.start_main_~#t~0.base=|v_ULTIMATE.start_main_~#t~0.base_18|, #length=|v_#length_9|, ~y~0=v_~y~0_204, ~b1~0=v_~b1~0_56, ~x~0=v_~x~0_108} AuxVars[] AssignedVars[~b2~0, ULTIMATE.start_main_#t~nondet2, #NULL.offset, ULTIMATE.start_main_~#t~0.offset, ~X~0, #NULL.base, ULTIMATE.start_main_#res, #valid, ULTIMATE.start_main_#t~ret3.offset, #memory_int, ULTIMATE.start_main_#t~ret3.base, ULTIMATE.start_main_~#t~0.base, #length, ~y~0, ~b1~0, ~x~0] {657#true} is VALID [2020-07-28 20:20:28,065 INFO L280 TraceCheckUtils]: 1: Hoare triple {657#true} [320] L732-->thr1ENTRY: Formula: (and (= 0 |v_thr1Thread1of1ForFork0_#in~arg.base_3|) (= 0 v_thr1Thread1of1ForFork0_thidvar0_2) (= |v_thr1Thread1of1ForFork0_#in~arg.offset_3| 0)) InVars {} OutVars{thr1Thread1of1ForFork0_#in~arg.offset=|v_thr1Thread1of1ForFork0_#in~arg.offset_3|, thr1Thread1of1ForFork0_~arg.offset=v_thr1Thread1of1ForFork0_~arg.offset_3, thr1Thread1of1ForFork0_#res.base=|v_thr1Thread1of1ForFork0_#res.base_3|, thr1Thread1of1ForFork0_~arg.base=v_thr1Thread1of1ForFork0_~arg.base_3, thr1Thread1of1ForFork0_thidvar0=v_thr1Thread1of1ForFork0_thidvar0_2, thr1Thread1of1ForFork0_#in~arg.base=|v_thr1Thread1of1ForFork0_#in~arg.base_3|, thr1Thread1of1ForFork0_#res.offset=|v_thr1Thread1of1ForFork0_#res.offset_3|} AuxVars[] AssignedVars[thr1Thread1of1ForFork0_#in~arg.offset, thr1Thread1of1ForFork0_~arg.offset, thr1Thread1of1ForFork0_#res.base, thr1Thread1of1ForFork0_~arg.base, thr1Thread1of1ForFork0_thidvar0, thr1Thread1of1ForFork0_#in~arg.base, thr1Thread1of1ForFork0_#res.offset] {657#true} is VALID [2020-07-28 20:20:28,066 INFO L280 TraceCheckUtils]: 2: Hoare triple {657#true} [370] L732-1-->L724: Formula: false InVars {} OutVars{ULTIMATE.start_thr2_#res.base=|v_ULTIMATE.start_thr2_#res.base_15|, ULTIMATE.start_thr2_~arg.base=v_ULTIMATE.start_thr2_~arg.base_8, ULTIMATE.start_thr2_#in~arg.offset=|v_ULTIMATE.start_thr2_#in~arg.offset_9|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_thr2_~arg.offset=v_ULTIMATE.start_thr2_~arg.offset_8, ULTIMATE.start_thr2_#res.offset=|v_ULTIMATE.start_thr2_#res.offset_15|, ~X~0=v_~X~0_64, ULTIMATE.start_thr2_#in~arg.base=|v_ULTIMATE.start_thr2_#in~arg.base_9|} AuxVars[] AssignedVars[ULTIMATE.start_thr2_#res.base, ULTIMATE.start_thr2_~arg.base, ULTIMATE.start_thr2_#in~arg.offset, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_thr2_~arg.offset, ULTIMATE.start_thr2_#res.offset, ~X~0, ULTIMATE.start_thr2_#in~arg.base] {658#false} is VALID [2020-07-28 20:20:28,067 INFO L280 TraceCheckUtils]: 3: Hoare triple {658#false} [322] L724-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (not (<= 1 v_~X~0_12)) InVars {~X~0=v_~X~0_12} OutVars{~X~0=v_~X~0_12} AuxVars[] AssignedVars[] {658#false} is VALID [2020-07-28 20:20:28,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 20:20:28,070 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183968470] [2020-07-28 20:20:28,071 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 20:20:28,071 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 20:20:28,072 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321690807] [2020-07-28 20:20:28,078 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 4 [2020-07-28 20:20:28,080 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 20:20:28,084 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 20:20:28,100 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 4 edges. 4 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 20:20:28,100 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 20:20:28,100 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 20:20:28,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 20:20:28,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 20:20:28,113 INFO L87 Difference]: Start difference. First operand 291 states. Second operand 2 states. [2020-07-28 20:20:28,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:20:28,250 INFO L93 Difference]: Finished difference Result 291 states and 750 transitions. [2020-07-28 20:20:28,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 20:20:28,250 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 4 [2020-07-28 20:20:28,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 20:20:28,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 20:20:28,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 50 transitions. [2020-07-28 20:20:28,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 20:20:28,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 50 transitions. [2020-07-28 20:20:28,255 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 50 transitions. [2020-07-28 20:20:28,339 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 20:20:28,373 INFO L225 Difference]: With dead ends: 291 [2020-07-28 20:20:28,374 INFO L226 Difference]: Without dead ends: 282 [2020-07-28 20:20:28,375 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 20:20:28,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-07-28 20:20:28,424 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,426 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,427 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,427 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,427 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,428 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,428 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,428 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,428 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,429 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,429 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,429 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,429 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,429 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,430 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,430 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,430 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,430 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,431 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,431 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,431 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,431 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,432 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,432 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,432 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,432 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,433 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,433 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,433 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,433 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,434 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,434 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,434 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,434 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,435 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,435 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,435 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,435 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,436 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,436 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,436 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,436 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,437 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,437 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,437 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,437 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,438 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,438 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,438 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,438 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,439 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,439 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,439 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,439 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,440 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,440 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,440 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,440 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,441 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,441 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,441 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,441 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,442 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,442 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,442 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,442 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,443 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,443 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,443 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,443 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,444 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,444 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,444 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,444 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,445 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,445 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,445 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,445 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,446 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,446 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,446 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,446 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,447 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,447 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,447 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,447 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,448 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,448 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,448 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,448 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,449 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,449 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,449 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,449 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,450 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,450 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,450 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,450 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,451 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,451 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,451 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,451 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,452 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,452 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,452 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,452 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,453 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,453 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,453 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,453 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,454 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,454 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,454 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,454 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,455 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,455 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,455 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,455 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,456 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,456 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,456 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,456 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,457 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,457 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,457 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,457 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,458 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,458 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,458 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,458 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,459 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,459 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,459 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,459 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,460 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,460 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,460 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,460 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,461 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,461 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,461 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,461 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,461 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,462 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,462 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,462 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,462 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,463 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,463 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,463 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,463 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,464 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,464 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,464 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,464 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,465 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,465 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,465 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,465 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,466 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,466 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,466 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,466 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,467 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,467 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,467 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,467 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,468 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,468 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,468 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,468 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,469 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,469 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,469 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,469 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,470 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,470 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,470 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,470 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,471 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,471 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,471 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,472 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,472 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,472 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,472 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,473 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,473 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,473 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,473 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,474 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,474 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,474 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,474 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,475 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,475 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,475 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,475 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,476 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,476 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,476 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,476 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,477 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,477 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,477 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,477 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,478 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,478 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,478 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,478 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,479 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,479 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,479 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,479 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,479 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,480 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,480 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,480 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,480 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,481 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,481 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,481 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,481 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,482 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,482 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,482 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,483 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,483 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,483 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,483 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,484 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,484 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,484 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,484 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,485 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,485 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,485 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,485 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,486 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,486 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,486 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,486 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,487 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,487 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,487 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,487 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,488 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,488 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,488 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,488 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,489 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,489 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,489 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,489 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,490 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,490 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,490 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,491 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,491 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,491 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,491 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,492 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,493 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,493 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,494 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,494 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,494 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,495 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,495 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,495 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,495 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,496 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,496 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,496 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,497 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,497 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,497 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,498 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,498 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,498 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,498 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,499 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2020-07-28 20:20:28,500 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 20:20:28,500 INFO L82 GeneralOperation]: Start isEquivalent. First operand 282 states. Second operand 282 states. [2020-07-28 20:20:28,501 INFO L74 IsIncluded]: Start isIncluded. First operand 282 states. Second operand 282 states. [2020-07-28 20:20:28,501 INFO L87 Difference]: Start difference. First operand 282 states. Second operand 282 states. [2020-07-28 20:20:28,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:20:28,533 INFO L93 Difference]: Finished difference Result 282 states and 732 transitions. [2020-07-28 20:20:28,533 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 732 transitions. [2020-07-28 20:20:28,536 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 20:20:28,537 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 20:20:28,537 INFO L74 IsIncluded]: Start isIncluded. First operand 282 states. Second operand 282 states. [2020-07-28 20:20:28,537 INFO L87 Difference]: Start difference. First operand 282 states. Second operand 282 states. [2020-07-28 20:20:28,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:20:28,566 INFO L93 Difference]: Finished difference Result 282 states and 732 transitions. [2020-07-28 20:20:28,566 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 732 transitions. [2020-07-28 20:20:28,569 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 20:20:28,569 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 20:20:28,569 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 20:20:28,569 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 20:20:28,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-07-28 20:20:28,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 732 transitions. [2020-07-28 20:20:28,596 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 732 transitions. Word has length 4 [2020-07-28 20:20:28,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 20:20:28,596 INFO L479 AbstractCegarLoop]: Abstraction has 282 states and 732 transitions. [2020-07-28 20:20:28,596 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 20:20:28,596 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 732 transitions. [2020-07-28 20:20:28,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-07-28 20:20:28,597 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 20:20:28,597 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 20:20:28,597 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 20:20:28,598 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 20:20:28,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 20:20:28,598 INFO L82 PathProgramCache]: Analyzing trace with hash 27980612, now seen corresponding path program 1 times [2020-07-28 20:20:28,598 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 20:20:28,599 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649535062] [2020-07-28 20:20:28,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 20:20:28,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 20:20:28,671 INFO L280 TraceCheckUtils]: 0: Hoare triple {2080#true} [374] ULTIMATE.startENTRY-->L732: Formula: (let ((.cse0 (store |v_#valid_29| 0 0))) (and (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t~0.base_18|)) (= |v_ULTIMATE.start_main_~#t~0.offset_13| 0) (= (store .cse0 |v_ULTIMATE.start_main_~#t~0.base_18| 1) |v_#valid_27|) (= (store |v_#length_10| |v_ULTIMATE.start_main_~#t~0.base_18| 4) |v_#length_9|) (= |v_#memory_int_7| (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t~0.base_18| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t~0.base_18|) |v_ULTIMATE.start_main_~#t~0.offset_13| 0))) (= 0 v_~b1~0_56) (= v_~X~0_65 0) (= v_~y~0_204 0) (= 0 |v_#NULL.offset_4|) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t~0.base_18|) (= 0 v_~x~0_108) (< 0 |v_#StackHeapBarrier_9|) (= 0 v_~b2~0_77) (= 0 |v_#NULL.base_4|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_29|, #memory_int=|v_#memory_int_8|, #length=|v_#length_10|} OutVars{~b2~0=v_~b2~0_77, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_9|, #NULL.offset=|v_#NULL.offset_4|, ULTIMATE.start_main_~#t~0.offset=|v_ULTIMATE.start_main_~#t~0.offset_13|, ~X~0=v_~X~0_65, #NULL.base=|v_#NULL.base_4|, #StackHeapBarrier=|v_#StackHeapBarrier_9|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_15|, #valid=|v_#valid_27|, ULTIMATE.start_main_#t~ret3.offset=|v_ULTIMATE.start_main_#t~ret3.offset_24|, #memory_int=|v_#memory_int_7|, ULTIMATE.start_main_#t~ret3.base=|v_ULTIMATE.start_main_#t~ret3.base_24|, ULTIMATE.start_main_~#t~0.base=|v_ULTIMATE.start_main_~#t~0.base_18|, #length=|v_#length_9|, ~y~0=v_~y~0_204, ~b1~0=v_~b1~0_56, ~x~0=v_~x~0_108} AuxVars[] AssignedVars[~b2~0, ULTIMATE.start_main_#t~nondet2, #NULL.offset, ULTIMATE.start_main_~#t~0.offset, ~X~0, #NULL.base, ULTIMATE.start_main_#res, #valid, ULTIMATE.start_main_#t~ret3.offset, #memory_int, ULTIMATE.start_main_#t~ret3.base, ULTIMATE.start_main_~#t~0.base, #length, ~y~0, ~b1~0, ~x~0] {2080#true} is VALID [2020-07-28 20:20:28,671 INFO L280 TraceCheckUtils]: 1: Hoare triple {2080#true} [320] L732-->thr1ENTRY: Formula: (and (= 0 |v_thr1Thread1of1ForFork0_#in~arg.base_3|) (= 0 v_thr1Thread1of1ForFork0_thidvar0_2) (= |v_thr1Thread1of1ForFork0_#in~arg.offset_3| 0)) InVars {} OutVars{thr1Thread1of1ForFork0_#in~arg.offset=|v_thr1Thread1of1ForFork0_#in~arg.offset_3|, thr1Thread1of1ForFork0_~arg.offset=v_thr1Thread1of1ForFork0_~arg.offset_3, thr1Thread1of1ForFork0_#res.base=|v_thr1Thread1of1ForFork0_#res.base_3|, thr1Thread1of1ForFork0_~arg.base=v_thr1Thread1of1ForFork0_~arg.base_3, thr1Thread1of1ForFork0_thidvar0=v_thr1Thread1of1ForFork0_thidvar0_2, thr1Thread1of1ForFork0_#in~arg.base=|v_thr1Thread1of1ForFork0_#in~arg.base_3|, thr1Thread1of1ForFork0_#res.offset=|v_thr1Thread1of1ForFork0_#res.offset_3|} AuxVars[] AssignedVars[thr1Thread1of1ForFork0_#in~arg.offset, thr1Thread1of1ForFork0_~arg.offset, thr1Thread1of1ForFork0_#res.base, thr1Thread1of1ForFork0_~arg.base, thr1Thread1of1ForFork0_thidvar0, thr1Thread1of1ForFork0_#in~arg.base, thr1Thread1of1ForFork0_#res.offset] {2080#true} is VALID [2020-07-28 20:20:28,671 INFO L280 TraceCheckUtils]: 2: Hoare triple {2080#true} [369] L732-1-->L717-3: Formula: (and (= v_ULTIMATE.start_thr2_~arg.offset_7 |v_ULTIMATE.start_thr2_#in~arg.offset_8|) (= |v_ULTIMATE.start_thr2_#in~arg.base_8| v_ULTIMATE.start_thr2_~arg.base_7) (= 0 |v_ULTIMATE.start_thr2_#in~arg.offset_8|) (= 0 |v_ULTIMATE.start_thr2_#in~arg.base_8|)) InVars {} OutVars{ULTIMATE.start_thr2_#res.base=|v_ULTIMATE.start_thr2_#res.base_14|, ULTIMATE.start_thr2_~arg.base=v_ULTIMATE.start_thr2_~arg.base_7, ULTIMATE.start_thr2_#in~arg.offset=|v_ULTIMATE.start_thr2_#in~arg.offset_8|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, ULTIMATE.start_thr2_~arg.offset=v_ULTIMATE.start_thr2_~arg.offset_7, ULTIMATE.start_thr2_#res.offset=|v_ULTIMATE.start_thr2_#res.offset_14|, ULTIMATE.start_thr2_#in~arg.base=|v_ULTIMATE.start_thr2_#in~arg.base_8|} AuxVars[] AssignedVars[ULTIMATE.start_thr2_#res.base, ULTIMATE.start_thr2_~arg.base, ULTIMATE.start_thr2_#in~arg.offset, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_thr2_~arg.offset, ULTIMATE.start_thr2_#res.offset, ULTIMATE.start_thr2_#in~arg.base] {2080#true} is VALID [2020-07-28 20:20:28,672 INFO L280 TraceCheckUtils]: 3: Hoare triple {2080#true} [344] L717-3-->L706: Formula: (= 1 v_~b2~0_21) InVars {} OutVars{~b2~0=v_~b2~0_21} AuxVars[] AssignedVars[~b2~0] {2080#true} is VALID [2020-07-28 20:20:28,672 INFO L280 TraceCheckUtils]: 4: Hoare triple {2080#true} [229] L706-->L707: Formula: (= v_~x~0_7 2) InVars {} OutVars{~x~0=v_~x~0_7} AuxVars[] AssignedVars[~x~0] {2080#true} is VALID [2020-07-28 20:20:28,672 INFO L280 TraceCheckUtils]: 5: Hoare triple {2080#true} [248] L707-->L712: Formula: (= 0 v_~y~0_11) InVars {~y~0=v_~y~0_11} OutVars{~y~0=v_~y~0_11} AuxVars[] AssignedVars[] {2080#true} is VALID [2020-07-28 20:20:28,673 INFO L280 TraceCheckUtils]: 6: Hoare triple {2080#true} [332] L712-->L704-2: Formula: (and (= 2 v_~x~0_19) (= 2 v_~y~0_39)) InVars {~x~0=v_~x~0_19} OutVars{~y~0=v_~y~0_39, ~x~0=v_~x~0_19} AuxVars[] AssignedVars[~y~0] {2080#true} is VALID [2020-07-28 20:20:28,673 INFO L280 TraceCheckUtils]: 7: Hoare triple {2080#true} [261] L704-2-->L724: Formula: (= v_~X~0_4 1) InVars {} OutVars{~X~0=v_~X~0_4} AuxVars[] AssignedVars[~X~0] {2082#(= ~X~0 1)} is VALID [2020-07-28 20:20:28,674 INFO L280 TraceCheckUtils]: 8: Hoare triple {2082#(= ~X~0 1)} [322] L724-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (not (<= 1 v_~X~0_12)) InVars {~X~0=v_~X~0_12} OutVars{~X~0=v_~X~0_12} AuxVars[] AssignedVars[] {2081#false} is VALID [2020-07-28 20:20:28,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 20:20:28,675 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649535062] [2020-07-28 20:20:28,675 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 20:20:28,676 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 20:20:28,676 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041460534] [2020-07-28 20:20:28,677 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-07-28 20:20:28,677 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 20:20:28,678 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 20:20:28,689 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 9 edges. 9 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 20:20:28,690 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 20:20:28,690 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 20:20:28,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 20:20:28,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 20:20:28,691 INFO L87 Difference]: Start difference. First operand 282 states and 732 transitions. Second operand 3 states. [2020-07-28 20:20:28,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:20:28,858 INFO L93 Difference]: Finished difference Result 281 states and 714 transitions. [2020-07-28 20:20:28,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 20:20:28,858 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-07-28 20:20:28,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 20:20:28,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 20:20:28,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 72 transitions. [2020-07-28 20:20:28,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 20:20:28,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 72 transitions. [2020-07-28 20:20:28,861 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 72 transitions. [2020-07-28 20:20:28,952 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 72 edges. 72 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 20:20:28,959 INFO L225 Difference]: With dead ends: 281 [2020-07-28 20:20:28,959 INFO L226 Difference]: Without dead ends: 242 [2020-07-28 20:20:28,960 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 20:20:28,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2020-07-28 20:20:28,971 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,971 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,972 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,972 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,972 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,972 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,973 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,973 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,973 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,974 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,974 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,974 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,974 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,975 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,975 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,975 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,976 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,976 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,976 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,976 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,977 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,977 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,977 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,978 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,978 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,978 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,978 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,979 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,979 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,979 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,980 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,980 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,980 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,980 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,981 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,981 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,981 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,981 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,982 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,982 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,982 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,983 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,983 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,983 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,984 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,984 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,984 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,984 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,985 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,985 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,985 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,986 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,986 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,986 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,987 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,987 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,987 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,987 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,988 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,988 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,988 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,989 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,989 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,989 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,989 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,990 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,990 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,990 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,991 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,991 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,991 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,991 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,992 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,992 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,992 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,993 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,993 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,993 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,993 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,994 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,994 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,994 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,994 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,995 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,995 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,995 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,995 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,996 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,996 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,996 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,997 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,997 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,997 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,997 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,998 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,998 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,998 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,998 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,999 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,999 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:28,999 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,000 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,000 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,000 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,001 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,001 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,001 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,001 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,002 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,002 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,002 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,003 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,003 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,003 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,004 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,004 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,004 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,004 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,005 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,005 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,005 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,005 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,006 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,006 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,006 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,006 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,007 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,007 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,007 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,008 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,008 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,008 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,008 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,009 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,009 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,010 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,010 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,010 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,011 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,011 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,011 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,012 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,012 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,013 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,013 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,014 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,014 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,014 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,015 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,015 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,015 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,015 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,016 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,016 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,016 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,017 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,017 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,017 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,017 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,018 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,018 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,018 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,019 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,019 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,019 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,019 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,020 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,020 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,020 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,021 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,021 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,021 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,022 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,022 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,023 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,023 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,023 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,024 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,024 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,024 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,025 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,025 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,025 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,025 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,026 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,026 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,026 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,027 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,027 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,028 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,028 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,028 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,029 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,029 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,029 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,029 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,030 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,030 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,030 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,031 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,031 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,031 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,032 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,032 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,032 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,033 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,033 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,034 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,034 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,034 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,035 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,035 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,036 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,036 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,037 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,037 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,037 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,037 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,038 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,038 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,038 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,039 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,039 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,039 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,039 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,040 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,040 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,040 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,041 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,041 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,041 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,042 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,042 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,042 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,043 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,043 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 236. [2020-07-28 20:20:29,044 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 20:20:29,044 INFO L82 GeneralOperation]: Start isEquivalent. First operand 242 states. Second operand 236 states. [2020-07-28 20:20:29,044 INFO L74 IsIncluded]: Start isIncluded. First operand 242 states. Second operand 236 states. [2020-07-28 20:20:29,044 INFO L87 Difference]: Start difference. First operand 242 states. Second operand 236 states. [2020-07-28 20:20:29,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:20:29,062 INFO L93 Difference]: Finished difference Result 242 states and 622 transitions. [2020-07-28 20:20:29,062 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 622 transitions. [2020-07-28 20:20:29,064 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 20:20:29,064 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 20:20:29,064 INFO L74 IsIncluded]: Start isIncluded. First operand 236 states. Second operand 242 states. [2020-07-28 20:20:29,064 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 242 states. [2020-07-28 20:20:29,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:20:29,083 INFO L93 Difference]: Finished difference Result 242 states and 622 transitions. [2020-07-28 20:20:29,083 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 622 transitions. [2020-07-28 20:20:29,084 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 20:20:29,084 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 20:20:29,085 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 20:20:29,085 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 20:20:29,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2020-07-28 20:20:29,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 615 transitions. [2020-07-28 20:20:29,098 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 615 transitions. Word has length 9 [2020-07-28 20:20:29,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 20:20:29,098 INFO L479 AbstractCegarLoop]: Abstraction has 236 states and 615 transitions. [2020-07-28 20:20:29,099 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 20:20:29,099 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 615 transitions. [2020-07-28 20:20:29,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-07-28 20:20:29,100 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 20:20:29,100 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 20:20:29,100 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 20:20:29,100 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 20:20:29,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 20:20:29,101 INFO L82 PathProgramCache]: Analyzing trace with hash 1037274544, now seen corresponding path program 1 times [2020-07-28 20:20:29,101 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 20:20:29,101 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046712245] [2020-07-28 20:20:29,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 20:20:29,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 20:20:29,162 INFO L280 TraceCheckUtils]: 0: Hoare triple {3322#true} [374] ULTIMATE.startENTRY-->L732: Formula: (let ((.cse0 (store |v_#valid_29| 0 0))) (and (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t~0.base_18|)) (= |v_ULTIMATE.start_main_~#t~0.offset_13| 0) (= (store .cse0 |v_ULTIMATE.start_main_~#t~0.base_18| 1) |v_#valid_27|) (= (store |v_#length_10| |v_ULTIMATE.start_main_~#t~0.base_18| 4) |v_#length_9|) (= |v_#memory_int_7| (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t~0.base_18| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t~0.base_18|) |v_ULTIMATE.start_main_~#t~0.offset_13| 0))) (= 0 v_~b1~0_56) (= v_~X~0_65 0) (= v_~y~0_204 0) (= 0 |v_#NULL.offset_4|) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t~0.base_18|) (= 0 v_~x~0_108) (< 0 |v_#StackHeapBarrier_9|) (= 0 v_~b2~0_77) (= 0 |v_#NULL.base_4|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_29|, #memory_int=|v_#memory_int_8|, #length=|v_#length_10|} OutVars{~b2~0=v_~b2~0_77, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_9|, #NULL.offset=|v_#NULL.offset_4|, ULTIMATE.start_main_~#t~0.offset=|v_ULTIMATE.start_main_~#t~0.offset_13|, ~X~0=v_~X~0_65, #NULL.base=|v_#NULL.base_4|, #StackHeapBarrier=|v_#StackHeapBarrier_9|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_15|, #valid=|v_#valid_27|, ULTIMATE.start_main_#t~ret3.offset=|v_ULTIMATE.start_main_#t~ret3.offset_24|, #memory_int=|v_#memory_int_7|, ULTIMATE.start_main_#t~ret3.base=|v_ULTIMATE.start_main_#t~ret3.base_24|, ULTIMATE.start_main_~#t~0.base=|v_ULTIMATE.start_main_~#t~0.base_18|, #length=|v_#length_9|, ~y~0=v_~y~0_204, ~b1~0=v_~b1~0_56, ~x~0=v_~x~0_108} AuxVars[] AssignedVars[~b2~0, ULTIMATE.start_main_#t~nondet2, #NULL.offset, ULTIMATE.start_main_~#t~0.offset, ~X~0, #NULL.base, ULTIMATE.start_main_#res, #valid, ULTIMATE.start_main_#t~ret3.offset, #memory_int, ULTIMATE.start_main_#t~ret3.base, ULTIMATE.start_main_~#t~0.base, #length, ~y~0, ~b1~0, ~x~0] {3322#true} is VALID [2020-07-28 20:20:29,163 INFO L280 TraceCheckUtils]: 1: Hoare triple {3322#true} [320] L732-->thr1ENTRY: Formula: (and (= 0 |v_thr1Thread1of1ForFork0_#in~arg.base_3|) (= 0 v_thr1Thread1of1ForFork0_thidvar0_2) (= |v_thr1Thread1of1ForFork0_#in~arg.offset_3| 0)) InVars {} OutVars{thr1Thread1of1ForFork0_#in~arg.offset=|v_thr1Thread1of1ForFork0_#in~arg.offset_3|, thr1Thread1of1ForFork0_~arg.offset=v_thr1Thread1of1ForFork0_~arg.offset_3, thr1Thread1of1ForFork0_#res.base=|v_thr1Thread1of1ForFork0_#res.base_3|, thr1Thread1of1ForFork0_~arg.base=v_thr1Thread1of1ForFork0_~arg.base_3, thr1Thread1of1ForFork0_thidvar0=v_thr1Thread1of1ForFork0_thidvar0_2, thr1Thread1of1ForFork0_#in~arg.base=|v_thr1Thread1of1ForFork0_#in~arg.base_3|, thr1Thread1of1ForFork0_#res.offset=|v_thr1Thread1of1ForFork0_#res.offset_3|} AuxVars[] AssignedVars[thr1Thread1of1ForFork0_#in~arg.offset, thr1Thread1of1ForFork0_~arg.offset, thr1Thread1of1ForFork0_#res.base, thr1Thread1of1ForFork0_~arg.base, thr1Thread1of1ForFork0_thidvar0, thr1Thread1of1ForFork0_#in~arg.base, thr1Thread1of1ForFork0_#res.offset] {3322#true} is VALID [2020-07-28 20:20:29,163 INFO L280 TraceCheckUtils]: 2: Hoare triple {3322#true} [346] thr1ENTRY-->L691-3: Formula: (and (= v_thr1Thread1of1ForFork0_~arg.base_4 |v_thr1Thread1of1ForFork0_#in~arg.base_4|) (= |v_thr1Thread1of1ForFork0_#in~arg.offset_4| v_thr1Thread1of1ForFork0_~arg.offset_4)) InVars {thr1Thread1of1ForFork0_#in~arg.offset=|v_thr1Thread1of1ForFork0_#in~arg.offset_4|, thr1Thread1of1ForFork0_#in~arg.base=|v_thr1Thread1of1ForFork0_#in~arg.base_4|} OutVars{thr1Thread1of1ForFork0_#in~arg.offset=|v_thr1Thread1of1ForFork0_#in~arg.offset_4|, thr1Thread1of1ForFork0_~arg.offset=v_thr1Thread1of1ForFork0_~arg.offset_4, thr1Thread1of1ForFork0_~arg.base=v_thr1Thread1of1ForFork0_~arg.base_4, thr1Thread1of1ForFork0_#in~arg.base=|v_thr1Thread1of1ForFork0_#in~arg.base_4|} AuxVars[] AssignedVars[thr1Thread1of1ForFork0_~arg.offset, thr1Thread1of1ForFork0_~arg.base] {3322#true} is VALID [2020-07-28 20:20:29,163 INFO L280 TraceCheckUtils]: 3: Hoare triple {3322#true} [340] L691-3-->L680: Formula: (= 1 v_~b1~0_18) InVars {} OutVars{~b1~0=v_~b1~0_18} AuxVars[] AssignedVars[~b1~0] {3322#true} is VALID [2020-07-28 20:20:29,163 INFO L280 TraceCheckUtils]: 4: Hoare triple {3322#true} [294] L680-->L681: Formula: (= v_~x~0_2 1) InVars {} OutVars{~x~0=v_~x~0_2} AuxVars[] AssignedVars[~x~0] {3322#true} is VALID [2020-07-28 20:20:29,164 INFO L280 TraceCheckUtils]: 5: Hoare triple {3322#true} [299] L681-->L686: Formula: (= 0 v_~y~0_5) InVars {~y~0=v_~y~0_5} OutVars{~y~0=v_~y~0_5} AuxVars[] AssignedVars[] {3322#true} is VALID [2020-07-28 20:20:29,164 INFO L280 TraceCheckUtils]: 6: Hoare triple {3322#true} [342] L686-->L678-2: Formula: (and (= 1 v_~x~0_33) (= 1 v_~y~0_67)) InVars {~x~0=v_~x~0_33} OutVars{~y~0=v_~y~0_67, ~x~0=v_~x~0_33} AuxVars[] AssignedVars[~y~0] {3322#true} is VALID [2020-07-28 20:20:29,165 INFO L280 TraceCheckUtils]: 7: Hoare triple {3322#true} [290] L678-2-->L698: Formula: (= v_~X~0_1 0) InVars {} OutVars{~X~0=v_~X~0_1} AuxVars[] AssignedVars[~X~0] {3324#(= 0 ~X~0)} is VALID [2020-07-28 20:20:29,166 INFO L280 TraceCheckUtils]: 8: Hoare triple {3324#(= 0 ~X~0)} [326] L698-->thr1Err0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (not (<= v_~X~0_18 0)) InVars {~X~0=v_~X~0_18} OutVars{~X~0=v_~X~0_18} AuxVars[] AssignedVars[] {3323#false} is VALID [2020-07-28 20:20:29,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 20:20:29,167 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046712245] [2020-07-28 20:20:29,167 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 20:20:29,167 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 20:20:29,168 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839648224] [2020-07-28 20:20:29,168 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-07-28 20:20:29,168 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 20:20:29,168 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 20:20:29,181 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 9 edges. 9 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 20:20:29,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 20:20:29,181 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 20:20:29,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 20:20:29,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 20:20:29,182 INFO L87 Difference]: Start difference. First operand 236 states and 615 transitions. Second operand 3 states. [2020-07-28 20:20:29,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:20:29,284 INFO L93 Difference]: Finished difference Result 225 states and 582 transitions. [2020-07-28 20:20:29,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 20:20:29,284 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-07-28 20:20:29,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 20:20:29,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 20:20:29,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 68 transitions. [2020-07-28 20:20:29,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 20:20:29,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 68 transitions. [2020-07-28 20:20:29,287 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 68 transitions. [2020-07-28 20:20:29,368 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 68 edges. 68 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 20:20:29,372 INFO L225 Difference]: With dead ends: 225 [2020-07-28 20:20:29,372 INFO L226 Difference]: Without dead ends: 186 [2020-07-28 20:20:29,373 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 20:20:29,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2020-07-28 20:20:29,378 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,378 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,379 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,379 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,379 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,379 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,379 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,380 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,380 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,380 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,380 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,380 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,381 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,381 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,381 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,381 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,381 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,381 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,382 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,382 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,382 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,382 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,383 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,383 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,383 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,383 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,383 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,383 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,384 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,384 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,384 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,384 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,384 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,385 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,385 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,385 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,385 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,385 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,385 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,386 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,386 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,386 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,386 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,386 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,387 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,387 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,387 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,387 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,387 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,388 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,388 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,388 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,388 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,388 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,389 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,389 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,389 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,389 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,389 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,390 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,390 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,390 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,390 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,390 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,391 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,391 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,391 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,391 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,391 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,391 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,392 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,392 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,392 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,392 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,392 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,393 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,393 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,393 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,393 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,393 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,394 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,394 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,394 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,394 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,394 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,395 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,395 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,395 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,395 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,395 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,395 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,396 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,396 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,396 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,396 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,396 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,397 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,397 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,397 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,397 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,397 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,398 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,398 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,398 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,398 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,398 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,398 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,399 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,399 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,399 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,399 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,399 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,400 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,400 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,400 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,400 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,400 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,401 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,401 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,401 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,401 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,401 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,402 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,402 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,402 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,402 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,402 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,403 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,403 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,403 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,403 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,403 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,404 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,404 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,404 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,404 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,404 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,405 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,405 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,405 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,405 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,405 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,406 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,406 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,406 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,406 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,406 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,406 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,407 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,407 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,407 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,407 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,407 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,408 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,408 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,408 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,408 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,408 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,409 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,409 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,409 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,409 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,409 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,410 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,410 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,410 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,410 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,410 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,411 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,411 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,411 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,411 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,411 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,412 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,412 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,412 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,412 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,412 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,413 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,413 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,413 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,413 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,414 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,414 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,414 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,414 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 186. [2020-07-28 20:20:29,415 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 20:20:29,415 INFO L82 GeneralOperation]: Start isEquivalent. First operand 186 states. Second operand 186 states. [2020-07-28 20:20:29,415 INFO L74 IsIncluded]: Start isIncluded. First operand 186 states. Second operand 186 states. [2020-07-28 20:20:29,415 INFO L87 Difference]: Start difference. First operand 186 states. Second operand 186 states. [2020-07-28 20:20:29,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:20:29,425 INFO L93 Difference]: Finished difference Result 186 states and 490 transitions. [2020-07-28 20:20:29,425 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 490 transitions. [2020-07-28 20:20:29,425 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 20:20:29,426 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 20:20:29,426 INFO L74 IsIncluded]: Start isIncluded. First operand 186 states. Second operand 186 states. [2020-07-28 20:20:29,426 INFO L87 Difference]: Start difference. First operand 186 states. Second operand 186 states. [2020-07-28 20:20:29,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:20:29,436 INFO L93 Difference]: Finished difference Result 186 states and 490 transitions. [2020-07-28 20:20:29,436 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 490 transitions. [2020-07-28 20:20:29,437 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 20:20:29,437 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 20:20:29,437 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 20:20:29,437 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 20:20:29,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2020-07-28 20:20:29,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 490 transitions. [2020-07-28 20:20:29,445 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 490 transitions. Word has length 9 [2020-07-28 20:20:29,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 20:20:29,446 INFO L479 AbstractCegarLoop]: Abstraction has 186 states and 490 transitions. [2020-07-28 20:20:29,446 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 20:20:29,446 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 490 transitions. [2020-07-28 20:20:29,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-07-28 20:20:29,447 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 20:20:29,447 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 20:20:29,447 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 20:20:29,447 INFO L427 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 20:20:29,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 20:20:29,448 INFO L82 PathProgramCache]: Analyzing trace with hash -1540220195, now seen corresponding path program 1 times [2020-07-28 20:20:29,448 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 20:20:29,448 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725501920] [2020-07-28 20:20:29,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 20:20:29,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 20:20:29,537 INFO L280 TraceCheckUtils]: 0: Hoare triple {4296#true} [374] ULTIMATE.startENTRY-->L732: Formula: (let ((.cse0 (store |v_#valid_29| 0 0))) (and (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t~0.base_18|)) (= |v_ULTIMATE.start_main_~#t~0.offset_13| 0) (= (store .cse0 |v_ULTIMATE.start_main_~#t~0.base_18| 1) |v_#valid_27|) (= (store |v_#length_10| |v_ULTIMATE.start_main_~#t~0.base_18| 4) |v_#length_9|) (= |v_#memory_int_7| (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t~0.base_18| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t~0.base_18|) |v_ULTIMATE.start_main_~#t~0.offset_13| 0))) (= 0 v_~b1~0_56) (= v_~X~0_65 0) (= v_~y~0_204 0) (= 0 |v_#NULL.offset_4|) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t~0.base_18|) (= 0 v_~x~0_108) (< 0 |v_#StackHeapBarrier_9|) (= 0 v_~b2~0_77) (= 0 |v_#NULL.base_4|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_29|, #memory_int=|v_#memory_int_8|, #length=|v_#length_10|} OutVars{~b2~0=v_~b2~0_77, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_9|, #NULL.offset=|v_#NULL.offset_4|, ULTIMATE.start_main_~#t~0.offset=|v_ULTIMATE.start_main_~#t~0.offset_13|, ~X~0=v_~X~0_65, #NULL.base=|v_#NULL.base_4|, #StackHeapBarrier=|v_#StackHeapBarrier_9|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_15|, #valid=|v_#valid_27|, ULTIMATE.start_main_#t~ret3.offset=|v_ULTIMATE.start_main_#t~ret3.offset_24|, #memory_int=|v_#memory_int_7|, ULTIMATE.start_main_#t~ret3.base=|v_ULTIMATE.start_main_#t~ret3.base_24|, ULTIMATE.start_main_~#t~0.base=|v_ULTIMATE.start_main_~#t~0.base_18|, #length=|v_#length_9|, ~y~0=v_~y~0_204, ~b1~0=v_~b1~0_56, ~x~0=v_~x~0_108} AuxVars[] AssignedVars[~b2~0, ULTIMATE.start_main_#t~nondet2, #NULL.offset, ULTIMATE.start_main_~#t~0.offset, ~X~0, #NULL.base, ULTIMATE.start_main_#res, #valid, ULTIMATE.start_main_#t~ret3.offset, #memory_int, ULTIMATE.start_main_#t~ret3.base, ULTIMATE.start_main_~#t~0.base, #length, ~y~0, ~b1~0, ~x~0] {4296#true} is VALID [2020-07-28 20:20:29,537 INFO L280 TraceCheckUtils]: 1: Hoare triple {4296#true} [320] L732-->thr1ENTRY: Formula: (and (= 0 |v_thr1Thread1of1ForFork0_#in~arg.base_3|) (= 0 v_thr1Thread1of1ForFork0_thidvar0_2) (= |v_thr1Thread1of1ForFork0_#in~arg.offset_3| 0)) InVars {} OutVars{thr1Thread1of1ForFork0_#in~arg.offset=|v_thr1Thread1of1ForFork0_#in~arg.offset_3|, thr1Thread1of1ForFork0_~arg.offset=v_thr1Thread1of1ForFork0_~arg.offset_3, thr1Thread1of1ForFork0_#res.base=|v_thr1Thread1of1ForFork0_#res.base_3|, thr1Thread1of1ForFork0_~arg.base=v_thr1Thread1of1ForFork0_~arg.base_3, thr1Thread1of1ForFork0_thidvar0=v_thr1Thread1of1ForFork0_thidvar0_2, thr1Thread1of1ForFork0_#in~arg.base=|v_thr1Thread1of1ForFork0_#in~arg.base_3|, thr1Thread1of1ForFork0_#res.offset=|v_thr1Thread1of1ForFork0_#res.offset_3|} AuxVars[] AssignedVars[thr1Thread1of1ForFork0_#in~arg.offset, thr1Thread1of1ForFork0_~arg.offset, thr1Thread1of1ForFork0_#res.base, thr1Thread1of1ForFork0_~arg.base, thr1Thread1of1ForFork0_thidvar0, thr1Thread1of1ForFork0_#in~arg.base, thr1Thread1of1ForFork0_#res.offset] {4296#true} is VALID [2020-07-28 20:20:29,537 INFO L280 TraceCheckUtils]: 2: Hoare triple {4296#true} [369] L732-1-->L717-3: Formula: (and (= v_ULTIMATE.start_thr2_~arg.offset_7 |v_ULTIMATE.start_thr2_#in~arg.offset_8|) (= |v_ULTIMATE.start_thr2_#in~arg.base_8| v_ULTIMATE.start_thr2_~arg.base_7) (= 0 |v_ULTIMATE.start_thr2_#in~arg.offset_8|) (= 0 |v_ULTIMATE.start_thr2_#in~arg.base_8|)) InVars {} OutVars{ULTIMATE.start_thr2_#res.base=|v_ULTIMATE.start_thr2_#res.base_14|, ULTIMATE.start_thr2_~arg.base=v_ULTIMATE.start_thr2_~arg.base_7, ULTIMATE.start_thr2_#in~arg.offset=|v_ULTIMATE.start_thr2_#in~arg.offset_8|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, ULTIMATE.start_thr2_~arg.offset=v_ULTIMATE.start_thr2_~arg.offset_7, ULTIMATE.start_thr2_#res.offset=|v_ULTIMATE.start_thr2_#res.offset_14|, ULTIMATE.start_thr2_#in~arg.base=|v_ULTIMATE.start_thr2_#in~arg.base_8|} AuxVars[] AssignedVars[ULTIMATE.start_thr2_#res.base, ULTIMATE.start_thr2_~arg.base, ULTIMATE.start_thr2_#in~arg.offset, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_thr2_~arg.offset, ULTIMATE.start_thr2_#res.offset, ULTIMATE.start_thr2_#in~arg.base] {4296#true} is VALID [2020-07-28 20:20:29,538 INFO L280 TraceCheckUtils]: 3: Hoare triple {4296#true} [344] L717-3-->L706: Formula: (= 1 v_~b2~0_21) InVars {} OutVars{~b2~0=v_~b2~0_21} AuxVars[] AssignedVars[~b2~0] {4296#true} is VALID [2020-07-28 20:20:29,538 INFO L280 TraceCheckUtils]: 4: Hoare triple {4296#true} [229] L706-->L707: Formula: (= v_~x~0_7 2) InVars {} OutVars{~x~0=v_~x~0_7} AuxVars[] AssignedVars[~x~0] {4296#true} is VALID [2020-07-28 20:20:29,538 INFO L280 TraceCheckUtils]: 5: Hoare triple {4296#true} [248] L707-->L712: Formula: (= 0 v_~y~0_11) InVars {~y~0=v_~y~0_11} OutVars{~y~0=v_~y~0_11} AuxVars[] AssignedVars[] {4296#true} is VALID [2020-07-28 20:20:29,538 INFO L280 TraceCheckUtils]: 6: Hoare triple {4296#true} [346] thr1ENTRY-->L691-3: Formula: (and (= v_thr1Thread1of1ForFork0_~arg.base_4 |v_thr1Thread1of1ForFork0_#in~arg.base_4|) (= |v_thr1Thread1of1ForFork0_#in~arg.offset_4| v_thr1Thread1of1ForFork0_~arg.offset_4)) InVars {thr1Thread1of1ForFork0_#in~arg.offset=|v_thr1Thread1of1ForFork0_#in~arg.offset_4|, thr1Thread1of1ForFork0_#in~arg.base=|v_thr1Thread1of1ForFork0_#in~arg.base_4|} OutVars{thr1Thread1of1ForFork0_#in~arg.offset=|v_thr1Thread1of1ForFork0_#in~arg.offset_4|, thr1Thread1of1ForFork0_~arg.offset=v_thr1Thread1of1ForFork0_~arg.offset_4, thr1Thread1of1ForFork0_~arg.base=v_thr1Thread1of1ForFork0_~arg.base_4, thr1Thread1of1ForFork0_#in~arg.base=|v_thr1Thread1of1ForFork0_#in~arg.base_4|} AuxVars[] AssignedVars[thr1Thread1of1ForFork0_~arg.offset, thr1Thread1of1ForFork0_~arg.base] {4296#true} is VALID [2020-07-28 20:20:29,539 INFO L280 TraceCheckUtils]: 7: Hoare triple {4296#true} [340] L691-3-->L680: Formula: (= 1 v_~b1~0_18) InVars {} OutVars{~b1~0=v_~b1~0_18} AuxVars[] AssignedVars[~b1~0] {4296#true} is VALID [2020-07-28 20:20:29,540 INFO L280 TraceCheckUtils]: 8: Hoare triple {4296#true} [294] L680-->L681: Formula: (= v_~x~0_2 1) InVars {} OutVars{~x~0=v_~x~0_2} AuxVars[] AssignedVars[~x~0] {4298#(= 1 ~x~0)} is VALID [2020-07-28 20:20:29,540 INFO L280 TraceCheckUtils]: 9: Hoare triple {4298#(= 1 ~x~0)} [299] L681-->L686: Formula: (= 0 v_~y~0_5) InVars {~y~0=v_~y~0_5} OutVars{~y~0=v_~y~0_5} AuxVars[] AssignedVars[] {4298#(= 1 ~x~0)} is VALID [2020-07-28 20:20:29,541 INFO L280 TraceCheckUtils]: 10: Hoare triple {4298#(= 1 ~x~0)} [342] L686-->L678-2: Formula: (and (= 1 v_~x~0_33) (= 1 v_~y~0_67)) InVars {~x~0=v_~x~0_33} OutVars{~y~0=v_~y~0_67, ~x~0=v_~x~0_33} AuxVars[] AssignedVars[~y~0] {4298#(= 1 ~x~0)} is VALID [2020-07-28 20:20:29,541 INFO L280 TraceCheckUtils]: 11: Hoare triple {4298#(= 1 ~x~0)} [290] L678-2-->L698: Formula: (= v_~X~0_1 0) InVars {} OutVars{~X~0=v_~X~0_1} AuxVars[] AssignedVars[~X~0] {4298#(= 1 ~x~0)} is VALID [2020-07-28 20:20:29,542 INFO L280 TraceCheckUtils]: 12: Hoare triple {4298#(= 1 ~x~0)} [332] L712-->L704-2: Formula: (and (= 2 v_~x~0_19) (= 2 v_~y~0_39)) InVars {~x~0=v_~x~0_19} OutVars{~y~0=v_~y~0_39, ~x~0=v_~x~0_19} AuxVars[] AssignedVars[~y~0] {4297#false} is VALID [2020-07-28 20:20:29,542 INFO L280 TraceCheckUtils]: 13: Hoare triple {4297#false} [261] L704-2-->L724: Formula: (= v_~X~0_4 1) InVars {} OutVars{~X~0=v_~X~0_4} AuxVars[] AssignedVars[~X~0] {4297#false} is VALID [2020-07-28 20:20:29,542 INFO L280 TraceCheckUtils]: 14: Hoare triple {4297#false} [326] L698-->thr1Err0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (not (<= v_~X~0_18 0)) InVars {~X~0=v_~X~0_18} OutVars{~X~0=v_~X~0_18} AuxVars[] AssignedVars[] {4297#false} is VALID [2020-07-28 20:20:29,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 20:20:29,544 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725501920] [2020-07-28 20:20:29,544 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 20:20:29,544 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 20:20:29,544 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000666926] [2020-07-28 20:20:29,545 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2020-07-28 20:20:29,545 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 20:20:29,545 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 20:20:29,570 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 15 edges. 15 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 20:20:29,570 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 20:20:29,571 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 20:20:29,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 20:20:29,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 20:20:29,572 INFO L87 Difference]: Start difference. First operand 186 states and 490 transitions. Second operand 3 states. [2020-07-28 20:20:29,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:20:29,730 INFO L93 Difference]: Finished difference Result 308 states and 768 transitions. [2020-07-28 20:20:29,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 20:20:29,730 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2020-07-28 20:20:29,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 20:20:29,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 20:20:29,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 83 transitions. [2020-07-28 20:20:29,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 20:20:29,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 83 transitions. [2020-07-28 20:20:29,742 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 83 transitions. [2020-07-28 20:20:29,858 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 83 edges. 83 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 20:20:29,868 INFO L225 Difference]: With dead ends: 308 [2020-07-28 20:20:29,869 INFO L226 Difference]: Without dead ends: 306 [2020-07-28 20:20:29,869 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 20:20:29,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2020-07-28 20:20:29,875 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,876 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,876 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,876 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,877 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,877 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,877 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,877 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,878 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,878 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,878 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,878 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,879 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,879 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,879 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,879 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,880 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,880 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,880 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,880 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,881 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,881 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,881 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,881 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,882 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,882 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,882 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,882 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,883 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,883 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,883 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,883 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,884 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,884 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,884 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,884 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,885 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,885 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,885 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,885 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,886 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,886 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,886 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,886 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,887 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,887 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,887 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,887 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,888 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,888 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,888 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,888 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,889 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,889 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,889 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,889 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,890 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,890 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,890 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,890 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,891 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,891 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,891 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,891 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,892 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,892 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,892 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,892 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,893 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,893 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,893 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,893 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,894 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,894 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,894 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,894 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,895 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,895 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,895 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,895 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,896 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,896 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,896 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,896 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,897 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,897 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,897 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,897 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,898 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,898 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,898 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,898 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,899 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,899 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,899 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,899 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,900 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,900 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,900 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,900 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,901 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,901 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,901 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,901 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,902 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,902 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,902 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,902 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,903 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,903 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,903 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,904 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,904 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,904 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,904 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,905 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,905 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,905 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,905 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,906 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,906 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,906 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,906 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,907 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,907 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,907 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,907 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,908 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,908 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,908 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,908 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,909 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,909 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,909 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,909 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,910 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,910 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,910 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,910 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,911 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,911 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,911 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,911 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,912 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,912 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,912 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,912 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,913 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,913 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,913 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,913 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,914 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,914 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,914 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,914 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,915 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,915 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,915 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,915 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,916 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,916 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,916 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,916 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,917 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,917 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,917 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,918 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,918 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,918 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,918 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,919 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,919 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,919 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,919 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,920 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,920 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,920 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,921 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,921 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,921 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,922 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,922 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,922 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,923 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,923 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,923 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,924 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,924 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,924 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,924 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,925 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,925 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,925 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,925 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,926 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,926 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,926 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,926 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,926 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,927 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,927 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,927 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,927 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,927 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,928 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,928 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,928 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,928 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,928 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,928 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,929 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,929 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,929 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,929 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,929 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,930 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,930 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,930 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,930 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,930 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,931 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,931 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,931 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,931 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,931 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,932 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,932 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,932 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,932 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:29,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 229. [2020-07-28 20:20:29,933 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 20:20:29,933 INFO L82 GeneralOperation]: Start isEquivalent. First operand 306 states. Second operand 229 states. [2020-07-28 20:20:29,933 INFO L74 IsIncluded]: Start isIncluded. First operand 306 states. Second operand 229 states. [2020-07-28 20:20:29,933 INFO L87 Difference]: Start difference. First operand 306 states. Second operand 229 states. [2020-07-28 20:20:29,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:20:29,952 INFO L93 Difference]: Finished difference Result 306 states and 764 transitions. [2020-07-28 20:20:29,952 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 764 transitions. [2020-07-28 20:20:29,953 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 20:20:29,953 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 20:20:29,953 INFO L74 IsIncluded]: Start isIncluded. First operand 229 states. Second operand 306 states. [2020-07-28 20:20:29,953 INFO L87 Difference]: Start difference. First operand 229 states. Second operand 306 states. [2020-07-28 20:20:29,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:20:29,966 INFO L93 Difference]: Finished difference Result 306 states and 764 transitions. [2020-07-28 20:20:29,966 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 764 transitions. [2020-07-28 20:20:29,967 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 20:20:29,967 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 20:20:29,967 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 20:20:29,967 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 20:20:29,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2020-07-28 20:20:29,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 602 transitions. [2020-07-28 20:20:29,976 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 602 transitions. Word has length 15 [2020-07-28 20:20:29,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 20:20:29,977 INFO L479 AbstractCegarLoop]: Abstraction has 229 states and 602 transitions. [2020-07-28 20:20:29,977 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 20:20:29,977 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 602 transitions. [2020-07-28 20:20:29,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-07-28 20:20:29,978 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 20:20:29,978 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 20:20:29,978 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 20:20:29,979 INFO L427 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 20:20:29,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 20:20:29,979 INFO L82 PathProgramCache]: Analyzing trace with hash 988190489, now seen corresponding path program 1 times [2020-07-28 20:20:29,979 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 20:20:29,980 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195350890] [2020-07-28 20:20:29,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 20:20:30,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 20:20:30,073 INFO L280 TraceCheckUtils]: 0: Hoare triple {5679#true} [374] ULTIMATE.startENTRY-->L732: Formula: (let ((.cse0 (store |v_#valid_29| 0 0))) (and (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t~0.base_18|)) (= |v_ULTIMATE.start_main_~#t~0.offset_13| 0) (= (store .cse0 |v_ULTIMATE.start_main_~#t~0.base_18| 1) |v_#valid_27|) (= (store |v_#length_10| |v_ULTIMATE.start_main_~#t~0.base_18| 4) |v_#length_9|) (= |v_#memory_int_7| (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t~0.base_18| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t~0.base_18|) |v_ULTIMATE.start_main_~#t~0.offset_13| 0))) (= 0 v_~b1~0_56) (= v_~X~0_65 0) (= v_~y~0_204 0) (= 0 |v_#NULL.offset_4|) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t~0.base_18|) (= 0 v_~x~0_108) (< 0 |v_#StackHeapBarrier_9|) (= 0 v_~b2~0_77) (= 0 |v_#NULL.base_4|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_29|, #memory_int=|v_#memory_int_8|, #length=|v_#length_10|} OutVars{~b2~0=v_~b2~0_77, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_9|, #NULL.offset=|v_#NULL.offset_4|, ULTIMATE.start_main_~#t~0.offset=|v_ULTIMATE.start_main_~#t~0.offset_13|, ~X~0=v_~X~0_65, #NULL.base=|v_#NULL.base_4|, #StackHeapBarrier=|v_#StackHeapBarrier_9|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_15|, #valid=|v_#valid_27|, ULTIMATE.start_main_#t~ret3.offset=|v_ULTIMATE.start_main_#t~ret3.offset_24|, #memory_int=|v_#memory_int_7|, ULTIMATE.start_main_#t~ret3.base=|v_ULTIMATE.start_main_#t~ret3.base_24|, ULTIMATE.start_main_~#t~0.base=|v_ULTIMATE.start_main_~#t~0.base_18|, #length=|v_#length_9|, ~y~0=v_~y~0_204, ~b1~0=v_~b1~0_56, ~x~0=v_~x~0_108} AuxVars[] AssignedVars[~b2~0, ULTIMATE.start_main_#t~nondet2, #NULL.offset, ULTIMATE.start_main_~#t~0.offset, ~X~0, #NULL.base, ULTIMATE.start_main_#res, #valid, ULTIMATE.start_main_#t~ret3.offset, #memory_int, ULTIMATE.start_main_#t~ret3.base, ULTIMATE.start_main_~#t~0.base, #length, ~y~0, ~b1~0, ~x~0] {5679#true} is VALID [2020-07-28 20:20:30,074 INFO L280 TraceCheckUtils]: 1: Hoare triple {5679#true} [320] L732-->thr1ENTRY: Formula: (and (= 0 |v_thr1Thread1of1ForFork0_#in~arg.base_3|) (= 0 v_thr1Thread1of1ForFork0_thidvar0_2) (= |v_thr1Thread1of1ForFork0_#in~arg.offset_3| 0)) InVars {} OutVars{thr1Thread1of1ForFork0_#in~arg.offset=|v_thr1Thread1of1ForFork0_#in~arg.offset_3|, thr1Thread1of1ForFork0_~arg.offset=v_thr1Thread1of1ForFork0_~arg.offset_3, thr1Thread1of1ForFork0_#res.base=|v_thr1Thread1of1ForFork0_#res.base_3|, thr1Thread1of1ForFork0_~arg.base=v_thr1Thread1of1ForFork0_~arg.base_3, thr1Thread1of1ForFork0_thidvar0=v_thr1Thread1of1ForFork0_thidvar0_2, thr1Thread1of1ForFork0_#in~arg.base=|v_thr1Thread1of1ForFork0_#in~arg.base_3|, thr1Thread1of1ForFork0_#res.offset=|v_thr1Thread1of1ForFork0_#res.offset_3|} AuxVars[] AssignedVars[thr1Thread1of1ForFork0_#in~arg.offset, thr1Thread1of1ForFork0_~arg.offset, thr1Thread1of1ForFork0_#res.base, thr1Thread1of1ForFork0_~arg.base, thr1Thread1of1ForFork0_thidvar0, thr1Thread1of1ForFork0_#in~arg.base, thr1Thread1of1ForFork0_#res.offset] {5679#true} is VALID [2020-07-28 20:20:30,074 INFO L280 TraceCheckUtils]: 2: Hoare triple {5679#true} [369] L732-1-->L717-3: Formula: (and (= v_ULTIMATE.start_thr2_~arg.offset_7 |v_ULTIMATE.start_thr2_#in~arg.offset_8|) (= |v_ULTIMATE.start_thr2_#in~arg.base_8| v_ULTIMATE.start_thr2_~arg.base_7) (= 0 |v_ULTIMATE.start_thr2_#in~arg.offset_8|) (= 0 |v_ULTIMATE.start_thr2_#in~arg.base_8|)) InVars {} OutVars{ULTIMATE.start_thr2_#res.base=|v_ULTIMATE.start_thr2_#res.base_14|, ULTIMATE.start_thr2_~arg.base=v_ULTIMATE.start_thr2_~arg.base_7, ULTIMATE.start_thr2_#in~arg.offset=|v_ULTIMATE.start_thr2_#in~arg.offset_8|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, ULTIMATE.start_thr2_~arg.offset=v_ULTIMATE.start_thr2_~arg.offset_7, ULTIMATE.start_thr2_#res.offset=|v_ULTIMATE.start_thr2_#res.offset_14|, ULTIMATE.start_thr2_#in~arg.base=|v_ULTIMATE.start_thr2_#in~arg.base_8|} AuxVars[] AssignedVars[ULTIMATE.start_thr2_#res.base, ULTIMATE.start_thr2_~arg.base, ULTIMATE.start_thr2_#in~arg.offset, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_thr2_~arg.offset, ULTIMATE.start_thr2_#res.offset, ULTIMATE.start_thr2_#in~arg.base] {5679#true} is VALID [2020-07-28 20:20:30,074 INFO L280 TraceCheckUtils]: 3: Hoare triple {5679#true} [344] L717-3-->L706: Formula: (= 1 v_~b2~0_21) InVars {} OutVars{~b2~0=v_~b2~0_21} AuxVars[] AssignedVars[~b2~0] {5679#true} is VALID [2020-07-28 20:20:30,075 INFO L280 TraceCheckUtils]: 4: Hoare triple {5679#true} [229] L706-->L707: Formula: (= v_~x~0_7 2) InVars {} OutVars{~x~0=v_~x~0_7} AuxVars[] AssignedVars[~x~0] {5679#true} is VALID [2020-07-28 20:20:30,075 INFO L280 TraceCheckUtils]: 5: Hoare triple {5679#true} [248] L707-->L712: Formula: (= 0 v_~y~0_11) InVars {~y~0=v_~y~0_11} OutVars{~y~0=v_~y~0_11} AuxVars[] AssignedVars[] {5679#true} is VALID [2020-07-28 20:20:30,075 INFO L280 TraceCheckUtils]: 6: Hoare triple {5679#true} [346] thr1ENTRY-->L691-3: Formula: (and (= v_thr1Thread1of1ForFork0_~arg.base_4 |v_thr1Thread1of1ForFork0_#in~arg.base_4|) (= |v_thr1Thread1of1ForFork0_#in~arg.offset_4| v_thr1Thread1of1ForFork0_~arg.offset_4)) InVars {thr1Thread1of1ForFork0_#in~arg.offset=|v_thr1Thread1of1ForFork0_#in~arg.offset_4|, thr1Thread1of1ForFork0_#in~arg.base=|v_thr1Thread1of1ForFork0_#in~arg.base_4|} OutVars{thr1Thread1of1ForFork0_#in~arg.offset=|v_thr1Thread1of1ForFork0_#in~arg.offset_4|, thr1Thread1of1ForFork0_~arg.offset=v_thr1Thread1of1ForFork0_~arg.offset_4, thr1Thread1of1ForFork0_~arg.base=v_thr1Thread1of1ForFork0_~arg.base_4, thr1Thread1of1ForFork0_#in~arg.base=|v_thr1Thread1of1ForFork0_#in~arg.base_4|} AuxVars[] AssignedVars[thr1Thread1of1ForFork0_~arg.offset, thr1Thread1of1ForFork0_~arg.base] {5679#true} is VALID [2020-07-28 20:20:30,076 INFO L280 TraceCheckUtils]: 7: Hoare triple {5679#true} [340] L691-3-->L680: Formula: (= 1 v_~b1~0_18) InVars {} OutVars{~b1~0=v_~b1~0_18} AuxVars[] AssignedVars[~b1~0] {5679#true} is VALID [2020-07-28 20:20:30,080 INFO L280 TraceCheckUtils]: 8: Hoare triple {5679#true} [332] L712-->L704-2: Formula: (and (= 2 v_~x~0_19) (= 2 v_~y~0_39)) InVars {~x~0=v_~x~0_19} OutVars{~y~0=v_~y~0_39, ~x~0=v_~x~0_19} AuxVars[] AssignedVars[~y~0] {5681#(<= 2 ~y~0)} is VALID [2020-07-28 20:20:30,081 INFO L280 TraceCheckUtils]: 9: Hoare triple {5681#(<= 2 ~y~0)} [261] L704-2-->L724: Formula: (= v_~X~0_4 1) InVars {} OutVars{~X~0=v_~X~0_4} AuxVars[] AssignedVars[~X~0] {5681#(<= 2 ~y~0)} is VALID [2020-07-28 20:20:30,082 INFO L280 TraceCheckUtils]: 10: Hoare triple {5681#(<= 2 ~y~0)} [294] L680-->L681: Formula: (= v_~x~0_2 1) InVars {} OutVars{~x~0=v_~x~0_2} AuxVars[] AssignedVars[~x~0] {5681#(<= 2 ~y~0)} is VALID [2020-07-28 20:20:30,083 INFO L280 TraceCheckUtils]: 11: Hoare triple {5681#(<= 2 ~y~0)} [299] L681-->L686: Formula: (= 0 v_~y~0_5) InVars {~y~0=v_~y~0_5} OutVars{~y~0=v_~y~0_5} AuxVars[] AssignedVars[] {5680#false} is VALID [2020-07-28 20:20:30,083 INFO L280 TraceCheckUtils]: 12: Hoare triple {5680#false} [342] L686-->L678-2: Formula: (and (= 1 v_~x~0_33) (= 1 v_~y~0_67)) InVars {~x~0=v_~x~0_33} OutVars{~y~0=v_~y~0_67, ~x~0=v_~x~0_33} AuxVars[] AssignedVars[~y~0] {5680#false} is VALID [2020-07-28 20:20:30,083 INFO L280 TraceCheckUtils]: 13: Hoare triple {5680#false} [290] L678-2-->L698: Formula: (= v_~X~0_1 0) InVars {} OutVars{~X~0=v_~X~0_1} AuxVars[] AssignedVars[~X~0] {5680#false} is VALID [2020-07-28 20:20:30,084 INFO L280 TraceCheckUtils]: 14: Hoare triple {5680#false} [322] L724-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (not (<= 1 v_~X~0_12)) InVars {~X~0=v_~X~0_12} OutVars{~X~0=v_~X~0_12} AuxVars[] AssignedVars[] {5680#false} is VALID [2020-07-28 20:20:30,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 20:20:30,085 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195350890] [2020-07-28 20:20:30,085 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 20:20:30,090 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 20:20:30,091 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904681218] [2020-07-28 20:20:30,091 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2020-07-28 20:20:30,091 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 20:20:30,091 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 20:20:30,114 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 15 edges. 15 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 20:20:30,114 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 20:20:30,114 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 20:20:30,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 20:20:30,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 20:20:30,115 INFO L87 Difference]: Start difference. First operand 229 states and 602 transitions. Second operand 3 states. [2020-07-28 20:20:30,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:20:30,289 INFO L93 Difference]: Finished difference Result 312 states and 770 transitions. [2020-07-28 20:20:30,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 20:20:30,289 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2020-07-28 20:20:30,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 20:20:30,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 20:20:30,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 78 transitions. [2020-07-28 20:20:30,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 20:20:30,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 78 transitions. [2020-07-28 20:20:30,292 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 78 transitions. [2020-07-28 20:20:30,394 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 78 edges. 78 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 20:20:30,401 INFO L225 Difference]: With dead ends: 312 [2020-07-28 20:20:30,401 INFO L226 Difference]: Without dead ends: 237 [2020-07-28 20:20:30,402 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 20:20:30,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2020-07-28 20:20:30,408 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,409 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,409 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,409 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,410 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,410 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,410 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,410 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,411 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,411 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,411 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,412 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,412 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,412 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,413 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,413 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,413 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,414 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,414 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,414 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,415 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,415 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,415 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,415 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,416 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,416 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,416 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,417 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,417 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,417 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,418 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,418 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,418 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,419 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,419 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,419 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,420 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,420 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,420 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,420 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,421 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,421 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,421 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,422 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,422 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,422 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,423 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,423 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,423 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,424 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,424 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,424 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,424 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,425 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,425 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,425 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,426 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,426 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,426 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,427 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,427 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,427 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,428 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,428 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,428 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,429 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,429 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,429 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,430 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,430 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,430 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,431 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,431 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,431 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,432 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,432 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,432 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,432 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,433 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,433 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,433 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,434 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,434 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,434 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,435 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,435 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,435 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,436 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,436 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,436 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,437 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,437 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,437 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,438 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,438 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,438 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,439 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,439 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,439 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,440 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,440 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,440 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,441 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,441 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,441 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,442 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,442 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,442 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,442 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,443 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,443 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,443 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,444 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,444 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,444 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,445 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,445 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,445 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,446 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,446 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,446 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,447 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,447 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,447 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,447 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,448 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,448 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,448 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,477 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,478 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,478 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,478 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,479 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,479 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,479 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,479 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,480 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,480 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,480 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,481 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,481 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,481 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,481 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,482 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,482 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,482 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,482 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,483 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,483 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,483 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,483 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,484 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,484 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,484 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,485 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,485 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,485 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,485 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,486 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,486 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,486 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,486 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,487 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,487 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,487 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,487 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,488 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,488 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,488 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,488 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,489 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,489 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,489 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,490 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,490 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,490 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,490 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,491 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,491 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,491 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,491 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,492 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,492 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,492 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,493 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,493 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,493 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,493 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,494 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,494 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,494 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,495 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,495 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,495 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,495 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,496 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,496 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,496 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,496 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,497 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,497 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,497 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,497 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,498 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,498 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,498 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,498 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,499 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,499 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,499 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,500 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,500 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,500 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,500 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,501 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,501 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 216. [2020-07-28 20:20:30,501 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 20:20:30,502 INFO L82 GeneralOperation]: Start isEquivalent. First operand 237 states. Second operand 216 states. [2020-07-28 20:20:30,502 INFO L74 IsIncluded]: Start isIncluded. First operand 237 states. Second operand 216 states. [2020-07-28 20:20:30,502 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 216 states. [2020-07-28 20:20:30,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:20:30,510 INFO L93 Difference]: Finished difference Result 237 states and 571 transitions. [2020-07-28 20:20:30,511 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 571 transitions. [2020-07-28 20:20:30,511 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 20:20:30,512 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 20:20:30,512 INFO L74 IsIncluded]: Start isIncluded. First operand 216 states. Second operand 237 states. [2020-07-28 20:20:30,512 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 237 states. [2020-07-28 20:20:30,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:20:30,520 INFO L93 Difference]: Finished difference Result 237 states and 571 transitions. [2020-07-28 20:20:30,520 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 571 transitions. [2020-07-28 20:20:30,521 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 20:20:30,521 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 20:20:30,521 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 20:20:30,522 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 20:20:30,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2020-07-28 20:20:30,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 534 transitions. [2020-07-28 20:20:30,528 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 534 transitions. Word has length 15 [2020-07-28 20:20:30,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 20:20:30,529 INFO L479 AbstractCegarLoop]: Abstraction has 216 states and 534 transitions. [2020-07-28 20:20:30,529 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 20:20:30,529 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 534 transitions. [2020-07-28 20:20:30,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-07-28 20:20:30,530 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 20:20:30,530 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 20:20:30,530 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 20:20:30,531 INFO L427 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 20:20:30,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 20:20:30,531 INFO L82 PathProgramCache]: Analyzing trace with hash -795157281, now seen corresponding path program 2 times [2020-07-28 20:20:30,532 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 20:20:30,532 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673744110] [2020-07-28 20:20:30,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 20:20:30,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 20:20:30,570 INFO L280 TraceCheckUtils]: 0: Hoare triple {6902#true} [374] ULTIMATE.startENTRY-->L732: Formula: (let ((.cse0 (store |v_#valid_29| 0 0))) (and (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t~0.base_18|)) (= |v_ULTIMATE.start_main_~#t~0.offset_13| 0) (= (store .cse0 |v_ULTIMATE.start_main_~#t~0.base_18| 1) |v_#valid_27|) (= (store |v_#length_10| |v_ULTIMATE.start_main_~#t~0.base_18| 4) |v_#length_9|) (= |v_#memory_int_7| (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t~0.base_18| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t~0.base_18|) |v_ULTIMATE.start_main_~#t~0.offset_13| 0))) (= 0 v_~b1~0_56) (= v_~X~0_65 0) (= v_~y~0_204 0) (= 0 |v_#NULL.offset_4|) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t~0.base_18|) (= 0 v_~x~0_108) (< 0 |v_#StackHeapBarrier_9|) (= 0 v_~b2~0_77) (= 0 |v_#NULL.base_4|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_29|, #memory_int=|v_#memory_int_8|, #length=|v_#length_10|} OutVars{~b2~0=v_~b2~0_77, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_9|, #NULL.offset=|v_#NULL.offset_4|, ULTIMATE.start_main_~#t~0.offset=|v_ULTIMATE.start_main_~#t~0.offset_13|, ~X~0=v_~X~0_65, #NULL.base=|v_#NULL.base_4|, #StackHeapBarrier=|v_#StackHeapBarrier_9|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_15|, #valid=|v_#valid_27|, ULTIMATE.start_main_#t~ret3.offset=|v_ULTIMATE.start_main_#t~ret3.offset_24|, #memory_int=|v_#memory_int_7|, ULTIMATE.start_main_#t~ret3.base=|v_ULTIMATE.start_main_#t~ret3.base_24|, ULTIMATE.start_main_~#t~0.base=|v_ULTIMATE.start_main_~#t~0.base_18|, #length=|v_#length_9|, ~y~0=v_~y~0_204, ~b1~0=v_~b1~0_56, ~x~0=v_~x~0_108} AuxVars[] AssignedVars[~b2~0, ULTIMATE.start_main_#t~nondet2, #NULL.offset, ULTIMATE.start_main_~#t~0.offset, ~X~0, #NULL.base, ULTIMATE.start_main_#res, #valid, ULTIMATE.start_main_#t~ret3.offset, #memory_int, ULTIMATE.start_main_#t~ret3.base, ULTIMATE.start_main_~#t~0.base, #length, ~y~0, ~b1~0, ~x~0] {6902#true} is VALID [2020-07-28 20:20:30,570 INFO L280 TraceCheckUtils]: 1: Hoare triple {6902#true} [320] L732-->thr1ENTRY: Formula: (and (= 0 |v_thr1Thread1of1ForFork0_#in~arg.base_3|) (= 0 v_thr1Thread1of1ForFork0_thidvar0_2) (= |v_thr1Thread1of1ForFork0_#in~arg.offset_3| 0)) InVars {} OutVars{thr1Thread1of1ForFork0_#in~arg.offset=|v_thr1Thread1of1ForFork0_#in~arg.offset_3|, thr1Thread1of1ForFork0_~arg.offset=v_thr1Thread1of1ForFork0_~arg.offset_3, thr1Thread1of1ForFork0_#res.base=|v_thr1Thread1of1ForFork0_#res.base_3|, thr1Thread1of1ForFork0_~arg.base=v_thr1Thread1of1ForFork0_~arg.base_3, thr1Thread1of1ForFork0_thidvar0=v_thr1Thread1of1ForFork0_thidvar0_2, thr1Thread1of1ForFork0_#in~arg.base=|v_thr1Thread1of1ForFork0_#in~arg.base_3|, thr1Thread1of1ForFork0_#res.offset=|v_thr1Thread1of1ForFork0_#res.offset_3|} AuxVars[] AssignedVars[thr1Thread1of1ForFork0_#in~arg.offset, thr1Thread1of1ForFork0_~arg.offset, thr1Thread1of1ForFork0_#res.base, thr1Thread1of1ForFork0_~arg.base, thr1Thread1of1ForFork0_thidvar0, thr1Thread1of1ForFork0_#in~arg.base, thr1Thread1of1ForFork0_#res.offset] {6902#true} is VALID [2020-07-28 20:20:30,571 INFO L280 TraceCheckUtils]: 2: Hoare triple {6902#true} [369] L732-1-->L717-3: Formula: (and (= v_ULTIMATE.start_thr2_~arg.offset_7 |v_ULTIMATE.start_thr2_#in~arg.offset_8|) (= |v_ULTIMATE.start_thr2_#in~arg.base_8| v_ULTIMATE.start_thr2_~arg.base_7) (= 0 |v_ULTIMATE.start_thr2_#in~arg.offset_8|) (= 0 |v_ULTIMATE.start_thr2_#in~arg.base_8|)) InVars {} OutVars{ULTIMATE.start_thr2_#res.base=|v_ULTIMATE.start_thr2_#res.base_14|, ULTIMATE.start_thr2_~arg.base=v_ULTIMATE.start_thr2_~arg.base_7, ULTIMATE.start_thr2_#in~arg.offset=|v_ULTIMATE.start_thr2_#in~arg.offset_8|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, ULTIMATE.start_thr2_~arg.offset=v_ULTIMATE.start_thr2_~arg.offset_7, ULTIMATE.start_thr2_#res.offset=|v_ULTIMATE.start_thr2_#res.offset_14|, ULTIMATE.start_thr2_#in~arg.base=|v_ULTIMATE.start_thr2_#in~arg.base_8|} AuxVars[] AssignedVars[ULTIMATE.start_thr2_#res.base, ULTIMATE.start_thr2_~arg.base, ULTIMATE.start_thr2_#in~arg.offset, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_thr2_~arg.offset, ULTIMATE.start_thr2_#res.offset, ULTIMATE.start_thr2_#in~arg.base] {6902#true} is VALID [2020-07-28 20:20:30,571 INFO L280 TraceCheckUtils]: 3: Hoare triple {6902#true} [344] L717-3-->L706: Formula: (= 1 v_~b2~0_21) InVars {} OutVars{~b2~0=v_~b2~0_21} AuxVars[] AssignedVars[~b2~0] {6902#true} is VALID [2020-07-28 20:20:30,571 INFO L280 TraceCheckUtils]: 4: Hoare triple {6902#true} [346] thr1ENTRY-->L691-3: Formula: (and (= v_thr1Thread1of1ForFork0_~arg.base_4 |v_thr1Thread1of1ForFork0_#in~arg.base_4|) (= |v_thr1Thread1of1ForFork0_#in~arg.offset_4| v_thr1Thread1of1ForFork0_~arg.offset_4)) InVars {thr1Thread1of1ForFork0_#in~arg.offset=|v_thr1Thread1of1ForFork0_#in~arg.offset_4|, thr1Thread1of1ForFork0_#in~arg.base=|v_thr1Thread1of1ForFork0_#in~arg.base_4|} OutVars{thr1Thread1of1ForFork0_#in~arg.offset=|v_thr1Thread1of1ForFork0_#in~arg.offset_4|, thr1Thread1of1ForFork0_~arg.offset=v_thr1Thread1of1ForFork0_~arg.offset_4, thr1Thread1of1ForFork0_~arg.base=v_thr1Thread1of1ForFork0_~arg.base_4, thr1Thread1of1ForFork0_#in~arg.base=|v_thr1Thread1of1ForFork0_#in~arg.base_4|} AuxVars[] AssignedVars[thr1Thread1of1ForFork0_~arg.offset, thr1Thread1of1ForFork0_~arg.base] {6902#true} is VALID [2020-07-28 20:20:30,572 INFO L280 TraceCheckUtils]: 5: Hoare triple {6902#true} [340] L691-3-->L680: Formula: (= 1 v_~b1~0_18) InVars {} OutVars{~b1~0=v_~b1~0_18} AuxVars[] AssignedVars[~b1~0] {6902#true} is VALID [2020-07-28 20:20:30,572 INFO L280 TraceCheckUtils]: 6: Hoare triple {6902#true} [294] L680-->L681: Formula: (= v_~x~0_2 1) InVars {} OutVars{~x~0=v_~x~0_2} AuxVars[] AssignedVars[~x~0] {6902#true} is VALID [2020-07-28 20:20:30,573 INFO L280 TraceCheckUtils]: 7: Hoare triple {6902#true} [229] L706-->L707: Formula: (= v_~x~0_7 2) InVars {} OutVars{~x~0=v_~x~0_7} AuxVars[] AssignedVars[~x~0] {6904#(<= 2 ~x~0)} is VALID [2020-07-28 20:20:30,573 INFO L280 TraceCheckUtils]: 8: Hoare triple {6904#(<= 2 ~x~0)} [248] L707-->L712: Formula: (= 0 v_~y~0_11) InVars {~y~0=v_~y~0_11} OutVars{~y~0=v_~y~0_11} AuxVars[] AssignedVars[] {6904#(<= 2 ~x~0)} is VALID [2020-07-28 20:20:30,574 INFO L280 TraceCheckUtils]: 9: Hoare triple {6904#(<= 2 ~x~0)} [299] L681-->L686: Formula: (= 0 v_~y~0_5) InVars {~y~0=v_~y~0_5} OutVars{~y~0=v_~y~0_5} AuxVars[] AssignedVars[] {6904#(<= 2 ~x~0)} is VALID [2020-07-28 20:20:30,575 INFO L280 TraceCheckUtils]: 10: Hoare triple {6904#(<= 2 ~x~0)} [332] L712-->L704-2: Formula: (and (= 2 v_~x~0_19) (= 2 v_~y~0_39)) InVars {~x~0=v_~x~0_19} OutVars{~y~0=v_~y~0_39, ~x~0=v_~x~0_19} AuxVars[] AssignedVars[~y~0] {6904#(<= 2 ~x~0)} is VALID [2020-07-28 20:20:30,575 INFO L280 TraceCheckUtils]: 11: Hoare triple {6904#(<= 2 ~x~0)} [261] L704-2-->L724: Formula: (= v_~X~0_4 1) InVars {} OutVars{~X~0=v_~X~0_4} AuxVars[] AssignedVars[~X~0] {6904#(<= 2 ~x~0)} is VALID [2020-07-28 20:20:30,576 INFO L280 TraceCheckUtils]: 12: Hoare triple {6904#(<= 2 ~x~0)} [342] L686-->L678-2: Formula: (and (= 1 v_~x~0_33) (= 1 v_~y~0_67)) InVars {~x~0=v_~x~0_33} OutVars{~y~0=v_~y~0_67, ~x~0=v_~x~0_33} AuxVars[] AssignedVars[~y~0] {6903#false} is VALID [2020-07-28 20:20:30,577 INFO L280 TraceCheckUtils]: 13: Hoare triple {6903#false} [290] L678-2-->L698: Formula: (= v_~X~0_1 0) InVars {} OutVars{~X~0=v_~X~0_1} AuxVars[] AssignedVars[~X~0] {6903#false} is VALID [2020-07-28 20:20:30,577 INFO L280 TraceCheckUtils]: 14: Hoare triple {6903#false} [322] L724-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (not (<= 1 v_~X~0_12)) InVars {~X~0=v_~X~0_12} OutVars{~X~0=v_~X~0_12} AuxVars[] AssignedVars[] {6903#false} is VALID [2020-07-28 20:20:30,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 20:20:30,578 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673744110] [2020-07-28 20:20:30,578 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 20:20:30,578 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 20:20:30,578 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048516888] [2020-07-28 20:20:30,579 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2020-07-28 20:20:30,579 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 20:20:30,579 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 20:20:30,597 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 15 edges. 15 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 20:20:30,598 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 20:20:30,598 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 20:20:30,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 20:20:30,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 20:20:30,598 INFO L87 Difference]: Start difference. First operand 216 states and 534 transitions. Second operand 3 states. [2020-07-28 20:20:30,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:20:30,709 INFO L93 Difference]: Finished difference Result 293 states and 674 transitions. [2020-07-28 20:20:30,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 20:20:30,709 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2020-07-28 20:20:30,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 20:20:30,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 20:20:30,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 81 transitions. [2020-07-28 20:20:30,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 20:20:30,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 81 transitions. [2020-07-28 20:20:30,711 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 81 transitions. [2020-07-28 20:20:30,813 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 81 edges. 81 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 20:20:30,824 INFO L225 Difference]: With dead ends: 293 [2020-07-28 20:20:30,825 INFO L226 Difference]: Without dead ends: 293 [2020-07-28 20:20:30,825 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 20:20:30,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2020-07-28 20:20:30,831 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,832 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,832 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,832 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,833 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,833 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,833 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,833 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,834 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,834 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,834 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,834 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,835 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,835 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,835 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,835 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,836 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,836 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,836 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,836 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,837 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,837 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,837 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,837 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,838 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,838 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,838 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,838 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,839 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,839 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,839 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,839 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,840 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,840 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,840 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,840 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,841 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,841 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,841 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,841 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,842 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,842 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,842 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,842 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,843 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,843 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,843 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,844 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,844 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,844 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,844 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,845 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,845 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,845 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,845 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,846 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,846 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,846 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,846 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,847 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,847 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,847 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,847 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,847 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,848 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,848 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,848 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,848 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,849 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,849 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,849 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,849 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,850 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,850 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,850 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,850 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,851 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,851 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,851 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,851 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,852 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,852 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,852 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,852 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,853 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,853 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,853 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,853 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,854 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,854 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,854 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,854 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,854 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,855 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,855 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,855 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,855 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,856 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,856 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,856 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,856 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,857 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,857 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,857 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,857 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,858 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,858 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,858 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,858 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,859 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,859 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,859 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,859 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,860 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,860 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,860 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,860 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,861 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,861 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,861 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,861 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,862 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,862 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,862 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,862 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,863 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,863 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,863 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,863 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,864 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,864 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,864 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,864 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,865 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,865 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,865 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,865 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,866 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,866 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,866 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,866 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,867 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,867 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,867 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,867 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,868 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,868 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,868 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,868 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,869 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,869 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,869 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,870 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,870 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,870 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,870 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,871 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,871 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,871 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,872 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,872 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,872 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,872 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,873 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,873 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,873 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,874 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,874 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,874 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,874 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,875 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,875 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,875 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,876 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,876 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,876 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,877 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,877 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,877 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,877 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,878 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,878 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,879 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,879 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,879 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,879 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,880 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,880 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,880 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,880 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,881 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,881 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,881 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,881 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,882 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,882 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,882 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,882 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,883 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,883 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,883 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,883 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,884 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,884 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,884 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,884 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,885 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,885 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,885 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,885 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,886 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,886 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,886 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,887 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,887 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,887 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:30,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 216. [2020-07-28 20:20:30,888 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 20:20:30,888 INFO L82 GeneralOperation]: Start isEquivalent. First operand 293 states. Second operand 216 states. [2020-07-28 20:20:30,888 INFO L74 IsIncluded]: Start isIncluded. First operand 293 states. Second operand 216 states. [2020-07-28 20:20:30,888 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 216 states. [2020-07-28 20:20:30,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:20:30,899 INFO L93 Difference]: Finished difference Result 293 states and 674 transitions. [2020-07-28 20:20:30,899 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 674 transitions. [2020-07-28 20:20:30,900 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 20:20:30,900 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 20:20:30,901 INFO L74 IsIncluded]: Start isIncluded. First operand 216 states. Second operand 293 states. [2020-07-28 20:20:30,901 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 293 states. [2020-07-28 20:20:30,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:20:30,913 INFO L93 Difference]: Finished difference Result 293 states and 674 transitions. [2020-07-28 20:20:30,914 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 674 transitions. [2020-07-28 20:20:30,914 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 20:20:30,915 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 20:20:30,915 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 20:20:30,915 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 20:20:30,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2020-07-28 20:20:30,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 522 transitions. [2020-07-28 20:20:30,922 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 522 transitions. Word has length 15 [2020-07-28 20:20:30,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 20:20:30,923 INFO L479 AbstractCegarLoop]: Abstraction has 216 states and 522 transitions. [2020-07-28 20:20:30,923 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 20:20:30,923 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 522 transitions. [2020-07-28 20:20:30,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-07-28 20:20:30,924 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 20:20:30,924 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 20:20:30,925 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 20:20:30,926 INFO L427 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 20:20:30,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 20:20:30,926 INFO L82 PathProgramCache]: Analyzing trace with hash -1884700835, now seen corresponding path program 2 times [2020-07-28 20:20:30,926 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 20:20:30,927 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207996693] [2020-07-28 20:20:30,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 20:20:30,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 20:20:30,995 INFO L280 TraceCheckUtils]: 0: Hoare triple {8218#true} [374] ULTIMATE.startENTRY-->L732: Formula: (let ((.cse0 (store |v_#valid_29| 0 0))) (and (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t~0.base_18|)) (= |v_ULTIMATE.start_main_~#t~0.offset_13| 0) (= (store .cse0 |v_ULTIMATE.start_main_~#t~0.base_18| 1) |v_#valid_27|) (= (store |v_#length_10| |v_ULTIMATE.start_main_~#t~0.base_18| 4) |v_#length_9|) (= |v_#memory_int_7| (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t~0.base_18| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t~0.base_18|) |v_ULTIMATE.start_main_~#t~0.offset_13| 0))) (= 0 v_~b1~0_56) (= v_~X~0_65 0) (= v_~y~0_204 0) (= 0 |v_#NULL.offset_4|) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t~0.base_18|) (= 0 v_~x~0_108) (< 0 |v_#StackHeapBarrier_9|) (= 0 v_~b2~0_77) (= 0 |v_#NULL.base_4|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_29|, #memory_int=|v_#memory_int_8|, #length=|v_#length_10|} OutVars{~b2~0=v_~b2~0_77, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_9|, #NULL.offset=|v_#NULL.offset_4|, ULTIMATE.start_main_~#t~0.offset=|v_ULTIMATE.start_main_~#t~0.offset_13|, ~X~0=v_~X~0_65, #NULL.base=|v_#NULL.base_4|, #StackHeapBarrier=|v_#StackHeapBarrier_9|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_15|, #valid=|v_#valid_27|, ULTIMATE.start_main_#t~ret3.offset=|v_ULTIMATE.start_main_#t~ret3.offset_24|, #memory_int=|v_#memory_int_7|, ULTIMATE.start_main_#t~ret3.base=|v_ULTIMATE.start_main_#t~ret3.base_24|, ULTIMATE.start_main_~#t~0.base=|v_ULTIMATE.start_main_~#t~0.base_18|, #length=|v_#length_9|, ~y~0=v_~y~0_204, ~b1~0=v_~b1~0_56, ~x~0=v_~x~0_108} AuxVars[] AssignedVars[~b2~0, ULTIMATE.start_main_#t~nondet2, #NULL.offset, ULTIMATE.start_main_~#t~0.offset, ~X~0, #NULL.base, ULTIMATE.start_main_#res, #valid, ULTIMATE.start_main_#t~ret3.offset, #memory_int, ULTIMATE.start_main_#t~ret3.base, ULTIMATE.start_main_~#t~0.base, #length, ~y~0, ~b1~0, ~x~0] {8218#true} is VALID [2020-07-28 20:20:30,996 INFO L280 TraceCheckUtils]: 1: Hoare triple {8218#true} [320] L732-->thr1ENTRY: Formula: (and (= 0 |v_thr1Thread1of1ForFork0_#in~arg.base_3|) (= 0 v_thr1Thread1of1ForFork0_thidvar0_2) (= |v_thr1Thread1of1ForFork0_#in~arg.offset_3| 0)) InVars {} OutVars{thr1Thread1of1ForFork0_#in~arg.offset=|v_thr1Thread1of1ForFork0_#in~arg.offset_3|, thr1Thread1of1ForFork0_~arg.offset=v_thr1Thread1of1ForFork0_~arg.offset_3, thr1Thread1of1ForFork0_#res.base=|v_thr1Thread1of1ForFork0_#res.base_3|, thr1Thread1of1ForFork0_~arg.base=v_thr1Thread1of1ForFork0_~arg.base_3, thr1Thread1of1ForFork0_thidvar0=v_thr1Thread1of1ForFork0_thidvar0_2, thr1Thread1of1ForFork0_#in~arg.base=|v_thr1Thread1of1ForFork0_#in~arg.base_3|, thr1Thread1of1ForFork0_#res.offset=|v_thr1Thread1of1ForFork0_#res.offset_3|} AuxVars[] AssignedVars[thr1Thread1of1ForFork0_#in~arg.offset, thr1Thread1of1ForFork0_~arg.offset, thr1Thread1of1ForFork0_#res.base, thr1Thread1of1ForFork0_~arg.base, thr1Thread1of1ForFork0_thidvar0, thr1Thread1of1ForFork0_#in~arg.base, thr1Thread1of1ForFork0_#res.offset] {8218#true} is VALID [2020-07-28 20:20:30,996 INFO L280 TraceCheckUtils]: 2: Hoare triple {8218#true} [369] L732-1-->L717-3: Formula: (and (= v_ULTIMATE.start_thr2_~arg.offset_7 |v_ULTIMATE.start_thr2_#in~arg.offset_8|) (= |v_ULTIMATE.start_thr2_#in~arg.base_8| v_ULTIMATE.start_thr2_~arg.base_7) (= 0 |v_ULTIMATE.start_thr2_#in~arg.offset_8|) (= 0 |v_ULTIMATE.start_thr2_#in~arg.base_8|)) InVars {} OutVars{ULTIMATE.start_thr2_#res.base=|v_ULTIMATE.start_thr2_#res.base_14|, ULTIMATE.start_thr2_~arg.base=v_ULTIMATE.start_thr2_~arg.base_7, ULTIMATE.start_thr2_#in~arg.offset=|v_ULTIMATE.start_thr2_#in~arg.offset_8|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, ULTIMATE.start_thr2_~arg.offset=v_ULTIMATE.start_thr2_~arg.offset_7, ULTIMATE.start_thr2_#res.offset=|v_ULTIMATE.start_thr2_#res.offset_14|, ULTIMATE.start_thr2_#in~arg.base=|v_ULTIMATE.start_thr2_#in~arg.base_8|} AuxVars[] AssignedVars[ULTIMATE.start_thr2_#res.base, ULTIMATE.start_thr2_~arg.base, ULTIMATE.start_thr2_#in~arg.offset, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_thr2_~arg.offset, ULTIMATE.start_thr2_#res.offset, ULTIMATE.start_thr2_#in~arg.base] {8218#true} is VALID [2020-07-28 20:20:30,997 INFO L280 TraceCheckUtils]: 3: Hoare triple {8218#true} [344] L717-3-->L706: Formula: (= 1 v_~b2~0_21) InVars {} OutVars{~b2~0=v_~b2~0_21} AuxVars[] AssignedVars[~b2~0] {8218#true} is VALID [2020-07-28 20:20:30,997 INFO L280 TraceCheckUtils]: 4: Hoare triple {8218#true} [346] thr1ENTRY-->L691-3: Formula: (and (= v_thr1Thread1of1ForFork0_~arg.base_4 |v_thr1Thread1of1ForFork0_#in~arg.base_4|) (= |v_thr1Thread1of1ForFork0_#in~arg.offset_4| v_thr1Thread1of1ForFork0_~arg.offset_4)) InVars {thr1Thread1of1ForFork0_#in~arg.offset=|v_thr1Thread1of1ForFork0_#in~arg.offset_4|, thr1Thread1of1ForFork0_#in~arg.base=|v_thr1Thread1of1ForFork0_#in~arg.base_4|} OutVars{thr1Thread1of1ForFork0_#in~arg.offset=|v_thr1Thread1of1ForFork0_#in~arg.offset_4|, thr1Thread1of1ForFork0_~arg.offset=v_thr1Thread1of1ForFork0_~arg.offset_4, thr1Thread1of1ForFork0_~arg.base=v_thr1Thread1of1ForFork0_~arg.base_4, thr1Thread1of1ForFork0_#in~arg.base=|v_thr1Thread1of1ForFork0_#in~arg.base_4|} AuxVars[] AssignedVars[thr1Thread1of1ForFork0_~arg.offset, thr1Thread1of1ForFork0_~arg.base] {8218#true} is VALID [2020-07-28 20:20:30,997 INFO L280 TraceCheckUtils]: 5: Hoare triple {8218#true} [340] L691-3-->L680: Formula: (= 1 v_~b1~0_18) InVars {} OutVars{~b1~0=v_~b1~0_18} AuxVars[] AssignedVars[~b1~0] {8218#true} is VALID [2020-07-28 20:20:30,997 INFO L280 TraceCheckUtils]: 6: Hoare triple {8218#true} [294] L680-->L681: Formula: (= v_~x~0_2 1) InVars {} OutVars{~x~0=v_~x~0_2} AuxVars[] AssignedVars[~x~0] {8218#true} is VALID [2020-07-28 20:20:30,998 INFO L280 TraceCheckUtils]: 7: Hoare triple {8218#true} [299] L681-->L686: Formula: (= 0 v_~y~0_5) InVars {~y~0=v_~y~0_5} OutVars{~y~0=v_~y~0_5} AuxVars[] AssignedVars[] {8218#true} is VALID [2020-07-28 20:20:30,999 INFO L280 TraceCheckUtils]: 8: Hoare triple {8218#true} [342] L686-->L678-2: Formula: (and (= 1 v_~x~0_33) (= 1 v_~y~0_67)) InVars {~x~0=v_~x~0_33} OutVars{~y~0=v_~y~0_67, ~x~0=v_~x~0_33} AuxVars[] AssignedVars[~y~0] {8220#(= 1 ~y~0)} is VALID [2020-07-28 20:20:30,999 INFO L280 TraceCheckUtils]: 9: Hoare triple {8220#(= 1 ~y~0)} [290] L678-2-->L698: Formula: (= v_~X~0_1 0) InVars {} OutVars{~X~0=v_~X~0_1} AuxVars[] AssignedVars[~X~0] {8220#(= 1 ~y~0)} is VALID [2020-07-28 20:20:31,000 INFO L280 TraceCheckUtils]: 10: Hoare triple {8220#(= 1 ~y~0)} [229] L706-->L707: Formula: (= v_~x~0_7 2) InVars {} OutVars{~x~0=v_~x~0_7} AuxVars[] AssignedVars[~x~0] {8220#(= 1 ~y~0)} is VALID [2020-07-28 20:20:31,001 INFO L280 TraceCheckUtils]: 11: Hoare triple {8220#(= 1 ~y~0)} [248] L707-->L712: Formula: (= 0 v_~y~0_11) InVars {~y~0=v_~y~0_11} OutVars{~y~0=v_~y~0_11} AuxVars[] AssignedVars[] {8219#false} is VALID [2020-07-28 20:20:31,001 INFO L280 TraceCheckUtils]: 12: Hoare triple {8219#false} [332] L712-->L704-2: Formula: (and (= 2 v_~x~0_19) (= 2 v_~y~0_39)) InVars {~x~0=v_~x~0_19} OutVars{~y~0=v_~y~0_39, ~x~0=v_~x~0_19} AuxVars[] AssignedVars[~y~0] {8219#false} is VALID [2020-07-28 20:20:31,001 INFO L280 TraceCheckUtils]: 13: Hoare triple {8219#false} [261] L704-2-->L724: Formula: (= v_~X~0_4 1) InVars {} OutVars{~X~0=v_~X~0_4} AuxVars[] AssignedVars[~X~0] {8219#false} is VALID [2020-07-28 20:20:31,002 INFO L280 TraceCheckUtils]: 14: Hoare triple {8219#false} [326] L698-->thr1Err0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (not (<= v_~X~0_18 0)) InVars {~X~0=v_~X~0_18} OutVars{~X~0=v_~X~0_18} AuxVars[] AssignedVars[] {8219#false} is VALID [2020-07-28 20:20:31,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 20:20:31,002 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207996693] [2020-07-28 20:20:31,003 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 20:20:31,003 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 20:20:31,003 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84402280] [2020-07-28 20:20:31,005 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2020-07-28 20:20:31,005 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 20:20:31,006 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 20:20:31,027 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 15 edges. 15 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 20:20:31,027 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 20:20:31,027 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 20:20:31,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 20:20:31,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 20:20:31,028 INFO L87 Difference]: Start difference. First operand 216 states and 522 transitions. Second operand 3 states. [2020-07-28 20:20:31,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:20:31,163 INFO L93 Difference]: Finished difference Result 181 states and 375 transitions. [2020-07-28 20:20:31,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 20:20:31,163 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2020-07-28 20:20:31,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 20:20:31,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 20:20:31,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 68 transitions. [2020-07-28 20:20:31,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 20:20:31,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 68 transitions. [2020-07-28 20:20:31,166 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 68 transitions. [2020-07-28 20:20:31,266 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 68 edges. 68 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 20:20:31,268 INFO L225 Difference]: With dead ends: 181 [2020-07-28 20:20:31,268 INFO L226 Difference]: Without dead ends: 115 [2020-07-28 20:20:31,269 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 20:20:31,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-07-28 20:20:31,271 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,271 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,271 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,272 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,272 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,272 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,272 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,272 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,273 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,273 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,273 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,273 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,273 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,273 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,274 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,274 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,274 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,274 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,274 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,275 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,275 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,275 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,275 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,275 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,275 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,276 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,276 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,276 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,276 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,276 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,277 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,277 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,277 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,277 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,277 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,277 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,278 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,278 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,278 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,278 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,278 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,279 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,279 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,279 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,279 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,279 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,280 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,280 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,280 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,280 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,280 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,280 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,281 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,281 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,281 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,281 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,281 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,281 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,282 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,282 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,282 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,282 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,282 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,283 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,283 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,283 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,283 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,283 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,284 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,284 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,284 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,284 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,284 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,285 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,285 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,285 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,285 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,285 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,286 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,286 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,286 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,286 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,286 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,286 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,287 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,287 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,287 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,287 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,288 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,288 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,288 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,288 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,288 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,289 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,289 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,289 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 96. [2020-07-28 20:20:31,289 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 20:20:31,290 INFO L82 GeneralOperation]: Start isEquivalent. First operand 115 states. Second operand 96 states. [2020-07-28 20:20:31,290 INFO L74 IsIncluded]: Start isIncluded. First operand 115 states. Second operand 96 states. [2020-07-28 20:20:31,290 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 96 states. [2020-07-28 20:20:31,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:20:31,293 INFO L93 Difference]: Finished difference Result 115 states and 224 transitions. [2020-07-28 20:20:31,293 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 224 transitions. [2020-07-28 20:20:31,293 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 20:20:31,293 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 20:20:31,293 INFO L74 IsIncluded]: Start isIncluded. First operand 96 states. Second operand 115 states. [2020-07-28 20:20:31,294 INFO L87 Difference]: Start difference. First operand 96 states. Second operand 115 states. [2020-07-28 20:20:31,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:20:31,297 INFO L93 Difference]: Finished difference Result 115 states and 224 transitions. [2020-07-28 20:20:31,297 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 224 transitions. [2020-07-28 20:20:31,297 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 20:20:31,297 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 20:20:31,297 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 20:20:31,298 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 20:20:31,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-07-28 20:20:31,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 190 transitions. [2020-07-28 20:20:31,300 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 190 transitions. Word has length 15 [2020-07-28 20:20:31,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 20:20:31,300 INFO L479 AbstractCegarLoop]: Abstraction has 96 states and 190 transitions. [2020-07-28 20:20:31,300 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 20:20:31,301 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 190 transitions. [2020-07-28 20:20:31,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-28 20:20:31,301 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 20:20:31,301 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 20:20:31,301 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-28 20:20:31,302 INFO L427 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 20:20:31,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 20:20:31,302 INFO L82 PathProgramCache]: Analyzing trace with hash 1567500834, now seen corresponding path program 1 times [2020-07-28 20:20:31,302 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 20:20:31,302 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743473465] [2020-07-28 20:20:31,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 20:20:31,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 20:20:31,336 INFO L280 TraceCheckUtils]: 0: Hoare triple {8826#true} [374] ULTIMATE.startENTRY-->L732: Formula: (let ((.cse0 (store |v_#valid_29| 0 0))) (and (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t~0.base_18|)) (= |v_ULTIMATE.start_main_~#t~0.offset_13| 0) (= (store .cse0 |v_ULTIMATE.start_main_~#t~0.base_18| 1) |v_#valid_27|) (= (store |v_#length_10| |v_ULTIMATE.start_main_~#t~0.base_18| 4) |v_#length_9|) (= |v_#memory_int_7| (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t~0.base_18| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t~0.base_18|) |v_ULTIMATE.start_main_~#t~0.offset_13| 0))) (= 0 v_~b1~0_56) (= v_~X~0_65 0) (= v_~y~0_204 0) (= 0 |v_#NULL.offset_4|) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t~0.base_18|) (= 0 v_~x~0_108) (< 0 |v_#StackHeapBarrier_9|) (= 0 v_~b2~0_77) (= 0 |v_#NULL.base_4|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_29|, #memory_int=|v_#memory_int_8|, #length=|v_#length_10|} OutVars{~b2~0=v_~b2~0_77, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_9|, #NULL.offset=|v_#NULL.offset_4|, ULTIMATE.start_main_~#t~0.offset=|v_ULTIMATE.start_main_~#t~0.offset_13|, ~X~0=v_~X~0_65, #NULL.base=|v_#NULL.base_4|, #StackHeapBarrier=|v_#StackHeapBarrier_9|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_15|, #valid=|v_#valid_27|, ULTIMATE.start_main_#t~ret3.offset=|v_ULTIMATE.start_main_#t~ret3.offset_24|, #memory_int=|v_#memory_int_7|, ULTIMATE.start_main_#t~ret3.base=|v_ULTIMATE.start_main_#t~ret3.base_24|, ULTIMATE.start_main_~#t~0.base=|v_ULTIMATE.start_main_~#t~0.base_18|, #length=|v_#length_9|, ~y~0=v_~y~0_204, ~b1~0=v_~b1~0_56, ~x~0=v_~x~0_108} AuxVars[] AssignedVars[~b2~0, ULTIMATE.start_main_#t~nondet2, #NULL.offset, ULTIMATE.start_main_~#t~0.offset, ~X~0, #NULL.base, ULTIMATE.start_main_#res, #valid, ULTIMATE.start_main_#t~ret3.offset, #memory_int, ULTIMATE.start_main_#t~ret3.base, ULTIMATE.start_main_~#t~0.base, #length, ~y~0, ~b1~0, ~x~0] {8826#true} is VALID [2020-07-28 20:20:31,337 INFO L280 TraceCheckUtils]: 1: Hoare triple {8826#true} [320] L732-->thr1ENTRY: Formula: (and (= 0 |v_thr1Thread1of1ForFork0_#in~arg.base_3|) (= 0 v_thr1Thread1of1ForFork0_thidvar0_2) (= |v_thr1Thread1of1ForFork0_#in~arg.offset_3| 0)) InVars {} OutVars{thr1Thread1of1ForFork0_#in~arg.offset=|v_thr1Thread1of1ForFork0_#in~arg.offset_3|, thr1Thread1of1ForFork0_~arg.offset=v_thr1Thread1of1ForFork0_~arg.offset_3, thr1Thread1of1ForFork0_#res.base=|v_thr1Thread1of1ForFork0_#res.base_3|, thr1Thread1of1ForFork0_~arg.base=v_thr1Thread1of1ForFork0_~arg.base_3, thr1Thread1of1ForFork0_thidvar0=v_thr1Thread1of1ForFork0_thidvar0_2, thr1Thread1of1ForFork0_#in~arg.base=|v_thr1Thread1of1ForFork0_#in~arg.base_3|, thr1Thread1of1ForFork0_#res.offset=|v_thr1Thread1of1ForFork0_#res.offset_3|} AuxVars[] AssignedVars[thr1Thread1of1ForFork0_#in~arg.offset, thr1Thread1of1ForFork0_~arg.offset, thr1Thread1of1ForFork0_#res.base, thr1Thread1of1ForFork0_~arg.base, thr1Thread1of1ForFork0_thidvar0, thr1Thread1of1ForFork0_#in~arg.base, thr1Thread1of1ForFork0_#res.offset] {8826#true} is VALID [2020-07-28 20:20:31,337 INFO L280 TraceCheckUtils]: 2: Hoare triple {8826#true} [369] L732-1-->L717-3: Formula: (and (= v_ULTIMATE.start_thr2_~arg.offset_7 |v_ULTIMATE.start_thr2_#in~arg.offset_8|) (= |v_ULTIMATE.start_thr2_#in~arg.base_8| v_ULTIMATE.start_thr2_~arg.base_7) (= 0 |v_ULTIMATE.start_thr2_#in~arg.offset_8|) (= 0 |v_ULTIMATE.start_thr2_#in~arg.base_8|)) InVars {} OutVars{ULTIMATE.start_thr2_#res.base=|v_ULTIMATE.start_thr2_#res.base_14|, ULTIMATE.start_thr2_~arg.base=v_ULTIMATE.start_thr2_~arg.base_7, ULTIMATE.start_thr2_#in~arg.offset=|v_ULTIMATE.start_thr2_#in~arg.offset_8|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, ULTIMATE.start_thr2_~arg.offset=v_ULTIMATE.start_thr2_~arg.offset_7, ULTIMATE.start_thr2_#res.offset=|v_ULTIMATE.start_thr2_#res.offset_14|, ULTIMATE.start_thr2_#in~arg.base=|v_ULTIMATE.start_thr2_#in~arg.base_8|} AuxVars[] AssignedVars[ULTIMATE.start_thr2_#res.base, ULTIMATE.start_thr2_~arg.base, ULTIMATE.start_thr2_#in~arg.offset, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_thr2_~arg.offset, ULTIMATE.start_thr2_#res.offset, ULTIMATE.start_thr2_#in~arg.base] {8826#true} is VALID [2020-07-28 20:20:31,337 INFO L280 TraceCheckUtils]: 3: Hoare triple {8826#true} [344] L717-3-->L706: Formula: (= 1 v_~b2~0_21) InVars {} OutVars{~b2~0=v_~b2~0_21} AuxVars[] AssignedVars[~b2~0] {8826#true} is VALID [2020-07-28 20:20:31,337 INFO L280 TraceCheckUtils]: 4: Hoare triple {8826#true} [229] L706-->L707: Formula: (= v_~x~0_7 2) InVars {} OutVars{~x~0=v_~x~0_7} AuxVars[] AssignedVars[~x~0] {8826#true} is VALID [2020-07-28 20:20:31,338 INFO L280 TraceCheckUtils]: 5: Hoare triple {8826#true} [248] L707-->L712: Formula: (= 0 v_~y~0_11) InVars {~y~0=v_~y~0_11} OutVars{~y~0=v_~y~0_11} AuxVars[] AssignedVars[] {8826#true} is VALID [2020-07-28 20:20:31,338 INFO L280 TraceCheckUtils]: 6: Hoare triple {8826#true} [346] thr1ENTRY-->L691-3: Formula: (and (= v_thr1Thread1of1ForFork0_~arg.base_4 |v_thr1Thread1of1ForFork0_#in~arg.base_4|) (= |v_thr1Thread1of1ForFork0_#in~arg.offset_4| v_thr1Thread1of1ForFork0_~arg.offset_4)) InVars {thr1Thread1of1ForFork0_#in~arg.offset=|v_thr1Thread1of1ForFork0_#in~arg.offset_4|, thr1Thread1of1ForFork0_#in~arg.base=|v_thr1Thread1of1ForFork0_#in~arg.base_4|} OutVars{thr1Thread1of1ForFork0_#in~arg.offset=|v_thr1Thread1of1ForFork0_#in~arg.offset_4|, thr1Thread1of1ForFork0_~arg.offset=v_thr1Thread1of1ForFork0_~arg.offset_4, thr1Thread1of1ForFork0_~arg.base=v_thr1Thread1of1ForFork0_~arg.base_4, thr1Thread1of1ForFork0_#in~arg.base=|v_thr1Thread1of1ForFork0_#in~arg.base_4|} AuxVars[] AssignedVars[thr1Thread1of1ForFork0_~arg.offset, thr1Thread1of1ForFork0_~arg.base] {8826#true} is VALID [2020-07-28 20:20:31,339 INFO L280 TraceCheckUtils]: 7: Hoare triple {8826#true} [340] L691-3-->L680: Formula: (= 1 v_~b1~0_18) InVars {} OutVars{~b1~0=v_~b1~0_18} AuxVars[] AssignedVars[~b1~0] {8828#(= 1 ~b1~0)} is VALID [2020-07-28 20:20:31,339 INFO L280 TraceCheckUtils]: 8: Hoare triple {8828#(= 1 ~b1~0)} [294] L680-->L681: Formula: (= v_~x~0_2 1) InVars {} OutVars{~x~0=v_~x~0_2} AuxVars[] AssignedVars[~x~0] {8828#(= 1 ~b1~0)} is VALID [2020-07-28 20:20:31,340 INFO L280 TraceCheckUtils]: 9: Hoare triple {8828#(= 1 ~b1~0)} [299] L681-->L686: Formula: (= 0 v_~y~0_5) InVars {~y~0=v_~y~0_5} OutVars{~y~0=v_~y~0_5} AuxVars[] AssignedVars[] {8828#(= 1 ~b1~0)} is VALID [2020-07-28 20:20:31,341 INFO L280 TraceCheckUtils]: 10: Hoare triple {8828#(= 1 ~b1~0)} [342] L686-->L678-2: Formula: (and (= 1 v_~x~0_33) (= 1 v_~y~0_67)) InVars {~x~0=v_~x~0_33} OutVars{~y~0=v_~y~0_67, ~x~0=v_~x~0_33} AuxVars[] AssignedVars[~y~0] {8828#(= 1 ~b1~0)} is VALID [2020-07-28 20:20:31,341 INFO L280 TraceCheckUtils]: 11: Hoare triple {8828#(= 1 ~b1~0)} [290] L678-2-->L698: Formula: (= v_~X~0_1 0) InVars {} OutVars{~X~0=v_~X~0_1} AuxVars[] AssignedVars[~X~0] {8828#(= 1 ~b1~0)} is VALID [2020-07-28 20:20:31,342 INFO L280 TraceCheckUtils]: 12: Hoare triple {8828#(= 1 ~b1~0)} [281] L712-->L713: Formula: (= v_~y~0_12 2) InVars {} OutVars{~y~0=v_~y~0_12} AuxVars[] AssignedVars[~y~0] {8828#(= 1 ~b1~0)} is VALID [2020-07-28 20:20:31,342 INFO L280 TraceCheckUtils]: 13: Hoare triple {8828#(= 1 ~b1~0)} [343] L713-->L715-2: Formula: (and (not (= 2 v_~x~0_37)) (= 0 v_~b2~0_20)) InVars {~x~0=v_~x~0_37} OutVars{~b2~0=v_~b2~0_20, ~x~0=v_~x~0_37} AuxVars[] AssignedVars[~b2~0] {8828#(= 1 ~b1~0)} is VALID [2020-07-28 20:20:31,343 INFO L280 TraceCheckUtils]: 14: Hoare triple {8828#(= 1 ~b1~0)} [367] L715-2-->L704-2: Formula: (and (not (<= 1 v_~b1~0_48)) (= v_~y~0_185 2)) InVars {~y~0=v_~y~0_185, ~b1~0=v_~b1~0_48} OutVars{~y~0=v_~y~0_185, ~b1~0=v_~b1~0_48} AuxVars[] AssignedVars[] {8827#false} is VALID [2020-07-28 20:20:31,344 INFO L280 TraceCheckUtils]: 15: Hoare triple {8827#false} [261] L704-2-->L724: Formula: (= v_~X~0_4 1) InVars {} OutVars{~X~0=v_~X~0_4} AuxVars[] AssignedVars[~X~0] {8827#false} is VALID [2020-07-28 20:20:31,344 INFO L280 TraceCheckUtils]: 16: Hoare triple {8827#false} [326] L698-->thr1Err0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (not (<= v_~X~0_18 0)) InVars {~X~0=v_~X~0_18} OutVars{~X~0=v_~X~0_18} AuxVars[] AssignedVars[] {8827#false} is VALID [2020-07-28 20:20:31,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 20:20:31,345 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743473465] [2020-07-28 20:20:31,345 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 20:20:31,345 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 20:20:31,345 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061329773] [2020-07-28 20:20:31,346 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 20:20:31,346 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 20:20:31,346 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 20:20:31,365 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 20:20:31,365 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 20:20:31,365 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 20:20:31,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 20:20:31,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 20:20:31,366 INFO L87 Difference]: Start difference. First operand 96 states and 190 transitions. Second operand 3 states. [2020-07-28 20:20:31,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:20:31,424 INFO L93 Difference]: Finished difference Result 98 states and 191 transitions. [2020-07-28 20:20:31,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 20:20:31,424 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 20:20:31,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 20:20:31,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 20:20:31,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 53 transitions. [2020-07-28 20:20:31,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 20:20:31,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 53 transitions. [2020-07-28 20:20:31,426 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 53 transitions. [2020-07-28 20:20:31,497 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 20:20:31,498 INFO L225 Difference]: With dead ends: 98 [2020-07-28 20:20:31,498 INFO L226 Difference]: Without dead ends: 81 [2020-07-28 20:20:31,499 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 20:20:31,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-07-28 20:20:31,501 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,501 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,501 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,502 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,502 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,502 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,502 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,503 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,503 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,503 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,503 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,504 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,504 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,505 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,505 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,505 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,506 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,506 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,507 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,507 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,507 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,508 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,508 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,509 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,509 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,509 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,510 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,510 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,511 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,511 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,511 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,512 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,512 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,513 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,513 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,513 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,514 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,514 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,515 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,515 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,515 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,516 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,516 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,517 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,517 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,518 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,518 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,518 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,519 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,519 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,520 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,520 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,520 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,521 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,521 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,521 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,522 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,522 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,523 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,523 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,524 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,524 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,524 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,525 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,525 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,526 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,526 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,526 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,527 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,527 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,528 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,528 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,529 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,529 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,529 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,529 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,530 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,530 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,530 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,531 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,531 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:20:31,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2020-07-28 20:20:31,532 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 20:20:31,532 INFO L82 GeneralOperation]: Start isEquivalent. First operand 81 states. Second operand 81 states. [2020-07-28 20:20:31,532 INFO L74 IsIncluded]: Start isIncluded. First operand 81 states. Second operand 81 states. [2020-07-28 20:20:31,532 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 81 states. [2020-07-28 20:20:31,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:20:31,535 INFO L93 Difference]: Finished difference Result 81 states and 159 transitions. [2020-07-28 20:20:31,535 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 159 transitions. [2020-07-28 20:20:31,535 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 20:20:31,535 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 20:20:31,536 INFO L74 IsIncluded]: Start isIncluded. First operand 81 states. Second operand 81 states. [2020-07-28 20:20:31,536 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 81 states. [2020-07-28 20:20:31,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:20:31,539 INFO L93 Difference]: Finished difference Result 81 states and 159 transitions. [2020-07-28 20:20:31,539 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 159 transitions. [2020-07-28 20:20:31,540 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 20:20:31,540 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 20:20:31,541 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 20:20:31,541 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 20:20:31,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-07-28 20:20:31,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 159 transitions. [2020-07-28 20:20:31,545 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 159 transitions. Word has length 17 [2020-07-28 20:20:31,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 20:20:31,545 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 159 transitions. [2020-07-28 20:20:31,546 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 20:20:31,546 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 159 transitions. [2020-07-28 20:20:31,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-28 20:20:31,547 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 20:20:31,547 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 20:20:31,547 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-28 20:20:31,548 INFO L427 AbstractCegarLoop]: === Iteration 9 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 20:20:31,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 20:20:31,549 INFO L82 PathProgramCache]: Analyzing trace with hash 322655978, now seen corresponding path program 1 times [2020-07-28 20:20:31,549 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 20:20:31,549 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145013601] [2020-07-28 20:20:31,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 20:20:31,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 20:20:31,591 INFO L280 TraceCheckUtils]: 0: Hoare triple {9253#true} [374] ULTIMATE.startENTRY-->L732: Formula: (let ((.cse0 (store |v_#valid_29| 0 0))) (and (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t~0.base_18|)) (= |v_ULTIMATE.start_main_~#t~0.offset_13| 0) (= (store .cse0 |v_ULTIMATE.start_main_~#t~0.base_18| 1) |v_#valid_27|) (= (store |v_#length_10| |v_ULTIMATE.start_main_~#t~0.base_18| 4) |v_#length_9|) (= |v_#memory_int_7| (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t~0.base_18| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t~0.base_18|) |v_ULTIMATE.start_main_~#t~0.offset_13| 0))) (= 0 v_~b1~0_56) (= v_~X~0_65 0) (= v_~y~0_204 0) (= 0 |v_#NULL.offset_4|) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t~0.base_18|) (= 0 v_~x~0_108) (< 0 |v_#StackHeapBarrier_9|) (= 0 v_~b2~0_77) (= 0 |v_#NULL.base_4|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_29|, #memory_int=|v_#memory_int_8|, #length=|v_#length_10|} OutVars{~b2~0=v_~b2~0_77, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_9|, #NULL.offset=|v_#NULL.offset_4|, ULTIMATE.start_main_~#t~0.offset=|v_ULTIMATE.start_main_~#t~0.offset_13|, ~X~0=v_~X~0_65, #NULL.base=|v_#NULL.base_4|, #StackHeapBarrier=|v_#StackHeapBarrier_9|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_15|, #valid=|v_#valid_27|, ULTIMATE.start_main_#t~ret3.offset=|v_ULTIMATE.start_main_#t~ret3.offset_24|, #memory_int=|v_#memory_int_7|, ULTIMATE.start_main_#t~ret3.base=|v_ULTIMATE.start_main_#t~ret3.base_24|, ULTIMATE.start_main_~#t~0.base=|v_ULTIMATE.start_main_~#t~0.base_18|, #length=|v_#length_9|, ~y~0=v_~y~0_204, ~b1~0=v_~b1~0_56, ~x~0=v_~x~0_108} AuxVars[] AssignedVars[~b2~0, ULTIMATE.start_main_#t~nondet2, #NULL.offset, ULTIMATE.start_main_~#t~0.offset, ~X~0, #NULL.base, ULTIMATE.start_main_#res, #valid, ULTIMATE.start_main_#t~ret3.offset, #memory_int, ULTIMATE.start_main_#t~ret3.base, ULTIMATE.start_main_~#t~0.base, #length, ~y~0, ~b1~0, ~x~0] {9253#true} is VALID [2020-07-28 20:20:31,592 INFO L280 TraceCheckUtils]: 1: Hoare triple {9253#true} [320] L732-->thr1ENTRY: Formula: (and (= 0 |v_thr1Thread1of1ForFork0_#in~arg.base_3|) (= 0 v_thr1Thread1of1ForFork0_thidvar0_2) (= |v_thr1Thread1of1ForFork0_#in~arg.offset_3| 0)) InVars {} OutVars{thr1Thread1of1ForFork0_#in~arg.offset=|v_thr1Thread1of1ForFork0_#in~arg.offset_3|, thr1Thread1of1ForFork0_~arg.offset=v_thr1Thread1of1ForFork0_~arg.offset_3, thr1Thread1of1ForFork0_#res.base=|v_thr1Thread1of1ForFork0_#res.base_3|, thr1Thread1of1ForFork0_~arg.base=v_thr1Thread1of1ForFork0_~arg.base_3, thr1Thread1of1ForFork0_thidvar0=v_thr1Thread1of1ForFork0_thidvar0_2, thr1Thread1of1ForFork0_#in~arg.base=|v_thr1Thread1of1ForFork0_#in~arg.base_3|, thr1Thread1of1ForFork0_#res.offset=|v_thr1Thread1of1ForFork0_#res.offset_3|} AuxVars[] AssignedVars[thr1Thread1of1ForFork0_#in~arg.offset, thr1Thread1of1ForFork0_~arg.offset, thr1Thread1of1ForFork0_#res.base, thr1Thread1of1ForFork0_~arg.base, thr1Thread1of1ForFork0_thidvar0, thr1Thread1of1ForFork0_#in~arg.base, thr1Thread1of1ForFork0_#res.offset] {9253#true} is VALID [2020-07-28 20:20:31,592 INFO L280 TraceCheckUtils]: 2: Hoare triple {9253#true} [369] L732-1-->L717-3: Formula: (and (= v_ULTIMATE.start_thr2_~arg.offset_7 |v_ULTIMATE.start_thr2_#in~arg.offset_8|) (= |v_ULTIMATE.start_thr2_#in~arg.base_8| v_ULTIMATE.start_thr2_~arg.base_7) (= 0 |v_ULTIMATE.start_thr2_#in~arg.offset_8|) (= 0 |v_ULTIMATE.start_thr2_#in~arg.base_8|)) InVars {} OutVars{ULTIMATE.start_thr2_#res.base=|v_ULTIMATE.start_thr2_#res.base_14|, ULTIMATE.start_thr2_~arg.base=v_ULTIMATE.start_thr2_~arg.base_7, ULTIMATE.start_thr2_#in~arg.offset=|v_ULTIMATE.start_thr2_#in~arg.offset_8|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, ULTIMATE.start_thr2_~arg.offset=v_ULTIMATE.start_thr2_~arg.offset_7, ULTIMATE.start_thr2_#res.offset=|v_ULTIMATE.start_thr2_#res.offset_14|, ULTIMATE.start_thr2_#in~arg.base=|v_ULTIMATE.start_thr2_#in~arg.base_8|} AuxVars[] AssignedVars[ULTIMATE.start_thr2_#res.base, ULTIMATE.start_thr2_~arg.base, ULTIMATE.start_thr2_#in~arg.offset, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_thr2_~arg.offset, ULTIMATE.start_thr2_#res.offset, ULTIMATE.start_thr2_#in~arg.base] {9253#true} is VALID [2020-07-28 20:20:31,593 INFO L280 TraceCheckUtils]: 3: Hoare triple {9253#true} [344] L717-3-->L706: Formula: (= 1 v_~b2~0_21) InVars {} OutVars{~b2~0=v_~b2~0_21} AuxVars[] AssignedVars[~b2~0] {9255#(= 1 ~b2~0)} is VALID [2020-07-28 20:20:31,594 INFO L280 TraceCheckUtils]: 4: Hoare triple {9255#(= 1 ~b2~0)} [346] thr1ENTRY-->L691-3: Formula: (and (= v_thr1Thread1of1ForFork0_~arg.base_4 |v_thr1Thread1of1ForFork0_#in~arg.base_4|) (= |v_thr1Thread1of1ForFork0_#in~arg.offset_4| v_thr1Thread1of1ForFork0_~arg.offset_4)) InVars {thr1Thread1of1ForFork0_#in~arg.offset=|v_thr1Thread1of1ForFork0_#in~arg.offset_4|, thr1Thread1of1ForFork0_#in~arg.base=|v_thr1Thread1of1ForFork0_#in~arg.base_4|} OutVars{thr1Thread1of1ForFork0_#in~arg.offset=|v_thr1Thread1of1ForFork0_#in~arg.offset_4|, thr1Thread1of1ForFork0_~arg.offset=v_thr1Thread1of1ForFork0_~arg.offset_4, thr1Thread1of1ForFork0_~arg.base=v_thr1Thread1of1ForFork0_~arg.base_4, thr1Thread1of1ForFork0_#in~arg.base=|v_thr1Thread1of1ForFork0_#in~arg.base_4|} AuxVars[] AssignedVars[thr1Thread1of1ForFork0_~arg.offset, thr1Thread1of1ForFork0_~arg.base] {9255#(= 1 ~b2~0)} is VALID [2020-07-28 20:20:31,594 INFO L280 TraceCheckUtils]: 5: Hoare triple {9255#(= 1 ~b2~0)} [340] L691-3-->L680: Formula: (= 1 v_~b1~0_18) InVars {} OutVars{~b1~0=v_~b1~0_18} AuxVars[] AssignedVars[~b1~0] {9255#(= 1 ~b2~0)} is VALID [2020-07-28 20:20:31,595 INFO L280 TraceCheckUtils]: 6: Hoare triple {9255#(= 1 ~b2~0)} [294] L680-->L681: Formula: (= v_~x~0_2 1) InVars {} OutVars{~x~0=v_~x~0_2} AuxVars[] AssignedVars[~x~0] {9255#(= 1 ~b2~0)} is VALID [2020-07-28 20:20:31,596 INFO L280 TraceCheckUtils]: 7: Hoare triple {9255#(= 1 ~b2~0)} [229] L706-->L707: Formula: (= v_~x~0_7 2) InVars {} OutVars{~x~0=v_~x~0_7} AuxVars[] AssignedVars[~x~0] {9255#(= 1 ~b2~0)} is VALID [2020-07-28 20:20:31,598 INFO L280 TraceCheckUtils]: 8: Hoare triple {9255#(= 1 ~b2~0)} [248] L707-->L712: Formula: (= 0 v_~y~0_11) InVars {~y~0=v_~y~0_11} OutVars{~y~0=v_~y~0_11} AuxVars[] AssignedVars[] {9255#(= 1 ~b2~0)} is VALID [2020-07-28 20:20:31,599 INFO L280 TraceCheckUtils]: 9: Hoare triple {9255#(= 1 ~b2~0)} [299] L681-->L686: Formula: (= 0 v_~y~0_5) InVars {~y~0=v_~y~0_5} OutVars{~y~0=v_~y~0_5} AuxVars[] AssignedVars[] {9255#(= 1 ~b2~0)} is VALID [2020-07-28 20:20:31,601 INFO L280 TraceCheckUtils]: 10: Hoare triple {9255#(= 1 ~b2~0)} [332] L712-->L704-2: Formula: (and (= 2 v_~x~0_19) (= 2 v_~y~0_39)) InVars {~x~0=v_~x~0_19} OutVars{~y~0=v_~y~0_39, ~x~0=v_~x~0_19} AuxVars[] AssignedVars[~y~0] {9255#(= 1 ~b2~0)} is VALID [2020-07-28 20:20:31,602 INFO L280 TraceCheckUtils]: 11: Hoare triple {9255#(= 1 ~b2~0)} [261] L704-2-->L724: Formula: (= v_~X~0_4 1) InVars {} OutVars{~X~0=v_~X~0_4} AuxVars[] AssignedVars[~X~0] {9255#(= 1 ~b2~0)} is VALID [2020-07-28 20:20:31,603 INFO L280 TraceCheckUtils]: 12: Hoare triple {9255#(= 1 ~b2~0)} [302] L686-->L687: Formula: (= v_~y~0_6 1) InVars {} OutVars{~y~0=v_~y~0_6} AuxVars[] AssignedVars[~y~0] {9255#(= 1 ~b2~0)} is VALID [2020-07-28 20:20:31,604 INFO L280 TraceCheckUtils]: 13: Hoare triple {9255#(= 1 ~b2~0)} [341] L687-->L689-2: Formula: (and (= 0 v_~b1~0_19) (not (= 1 v_~x~0_29))) InVars {~x~0=v_~x~0_29} OutVars{~b1~0=v_~b1~0_19, ~x~0=v_~x~0_29} AuxVars[] AssignedVars[~b1~0] {9255#(= 1 ~b2~0)} is VALID [2020-07-28 20:20:31,606 INFO L280 TraceCheckUtils]: 14: Hoare triple {9255#(= 1 ~b2~0)} [360] L689-2-->L678-2: Formula: (and (not (<= 1 v_~b2~0_40)) (= v_~y~0_153 1)) InVars {~b2~0=v_~b2~0_40, ~y~0=v_~y~0_153} OutVars{~b2~0=v_~b2~0_40, ~y~0=v_~y~0_153} AuxVars[] AssignedVars[] {9254#false} is VALID [2020-07-28 20:20:31,607 INFO L280 TraceCheckUtils]: 15: Hoare triple {9254#false} [290] L678-2-->L698: Formula: (= v_~X~0_1 0) InVars {} OutVars{~X~0=v_~X~0_1} AuxVars[] AssignedVars[~X~0] {9254#false} is VALID [2020-07-28 20:20:31,607 INFO L280 TraceCheckUtils]: 16: Hoare triple {9254#false} [322] L724-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (not (<= 1 v_~X~0_12)) InVars {~X~0=v_~X~0_12} OutVars{~X~0=v_~X~0_12} AuxVars[] AssignedVars[] {9254#false} is VALID [2020-07-28 20:20:31,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 20:20:31,608 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145013601] [2020-07-28 20:20:31,608 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 20:20:31,608 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 20:20:31,609 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876110179] [2020-07-28 20:20:31,609 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 20:20:31,609 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 20:20:31,610 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 20:20:31,642 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 20:20:31,642 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 20:20:31,642 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 20:20:31,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 20:20:31,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 20:20:31,643 INFO L87 Difference]: Start difference. First operand 81 states and 159 transitions. Second operand 3 states. [2020-07-28 20:20:31,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:20:31,692 INFO L93 Difference]: Finished difference Result 56 states and 119 transitions. [2020-07-28 20:20:31,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 20:20:31,692 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 20:20:31,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 20:20:31,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 20:20:31,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 32 transitions. [2020-07-28 20:20:31,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 20:20:31,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 32 transitions. [2020-07-28 20:20:31,695 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 32 transitions. [2020-07-28 20:20:31,747 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 20:20:31,747 INFO L225 Difference]: With dead ends: 56 [2020-07-28 20:20:31,748 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 20:20:31,748 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 20:20:31,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 20:20:31,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 20:20:31,748 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 20:20:31,749 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 20:20:31,749 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 20:20:31,749 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 20:20:31,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:20:31,750 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 20:20:31,750 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 20:20:31,750 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 20:20:31,750 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 20:20:31,750 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 20:20:31,750 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 20:20:31,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:20:31,751 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 20:20:31,751 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 20:20:31,751 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 20:20:31,751 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 20:20:31,751 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 20:20:31,751 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 20:20:31,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 20:20:31,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 20:20:31,752 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2020-07-28 20:20:31,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 20:20:31,752 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 20:20:31,752 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 20:20:31,753 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 20:20:31,753 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 20:20:31,754 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-28 20:20:31,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 08:20:31 BasicIcfg [2020-07-28 20:20:31,760 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 20:20:31,760 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 20:20:31,760 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 20:20:31,761 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 20:20:31,762 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 08:20:25" (3/4) ... [2020-07-28 20:20:31,767 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 20:20:31,776 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2020-07-28 20:20:31,782 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-07-28 20:20:31,783 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-07-28 20:20:31,783 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 20:20:31,836 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 20:20:31,836 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 20:20:31,839 INFO L168 Benchmark]: Toolchain (without parser) took 7767.45 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 325.6 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -140.1 MB). Peak memory consumption was 185.5 MB. Max. memory is 11.5 GB. [2020-07-28 20:20:31,839 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 20:20:31,840 INFO L168 Benchmark]: CACSL2BoogieTranslator took 697.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -149.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2020-07-28 20:20:31,841 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2020-07-28 20:20:31,841 INFO L168 Benchmark]: Boogie Preprocessor took 35.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 20:20:31,842 INFO L168 Benchmark]: RCFGBuilder took 544.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.0 MB). Peak memory consumption was 38.0 MB. Max. memory is 11.5 GB. [2020-07-28 20:20:31,843 INFO L168 Benchmark]: TraceAbstraction took 6353.04 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 191.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -40.8 MB). Peak memory consumption was 151.1 MB. Max. memory is 11.5 GB. [2020-07-28 20:20:31,843 INFO L168 Benchmark]: Witness Printer took 75.98 ms. Allocated memory is still 1.4 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 20:20:31,846 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 697.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -149.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 54.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 544.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.0 MB). Peak memory consumption was 38.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6353.04 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 191.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -40.8 MB). Peak memory consumption was 151.1 MB. Max. memory is 11.5 GB. * Witness Printer took 75.98 ms. Allocated memory is still 1.4 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.2s, 72 ProgramPointsBefore, 39 ProgramPointsAfterwards, 92 TransitionsBefore, 51 TransitionsAfterwards, 2992 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 31 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 8 ChoiceCompositions, 1205 VarBasedMoverChecksPositive, 82 VarBasedMoverChecksNegative, 50 SemBasedMoverChecksPositive, 61 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.0s, 0 MoverChecksTotal, 7520 CheckedPairsTotal, 46 TotalNumberOfCompositions - PositiveResult [Line: 698]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 724]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 69 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.2s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.3s, HoareTripleCheckerStatistics: 474 SDtfs, 189 SDslu, 211 SDs, 0 SdLazy, 96 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=291occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 9 MinimizatonAttempts, 200 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 2461 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...