./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/thin001_tso.oepc.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-wmm/thin001_tso.oepc.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 a3333672545e5bd1317b1ba7be94f6308f13caa3 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 21:48:22,042 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 21:48:22,045 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 21:48:22,062 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 21:48:22,063 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 21:48:22,065 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 21:48:22,067 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 21:48:22,077 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 21:48:22,081 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 21:48:22,085 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 21:48:22,086 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 21:48:22,088 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 21:48:22,088 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 21:48:22,090 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 21:48:22,091 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 21:48:22,092 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 21:48:22,094 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 21:48:22,095 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 21:48:22,097 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 21:48:22,101 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 21:48:22,105 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 21:48:22,110 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 21:48:22,112 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 21:48:22,112 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 21:48:22,115 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 21:48:22,115 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 21:48:22,116 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 21:48:22,117 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 21:48:22,118 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 21:48:22,118 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 21:48:22,119 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 21:48:22,120 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 21:48:22,120 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 21:48:22,121 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 21:48:22,123 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 21:48:22,123 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 21:48:22,124 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 21:48:22,124 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 21:48:22,124 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 21:48:22,125 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 21:48:22,126 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 21:48:22,127 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 21:48:22,162 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 21:48:22,163 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 21:48:22,164 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 21:48:22,166 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 21:48:22,166 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 21:48:22,167 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 21:48:22,167 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 21:48:22,167 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 21:48:22,168 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 21:48:22,168 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 21:48:22,169 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 21:48:22,169 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 21:48:22,170 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 21:48:22,170 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 21:48:22,170 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 21:48:22,171 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 21:48:22,171 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 21:48:22,171 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 21:48:22,171 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 21:48:22,172 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 21:48:22,172 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 21:48:22,172 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 21:48:22,173 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 21:48:22,173 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 21:48:22,173 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 21:48:22,174 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 21:48:22,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 21:48:22,174 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 21:48:22,174 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 21:48:22,175 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 -> a3333672545e5bd1317b1ba7be94f6308f13caa3 [2020-07-28 21:48:22,484 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 21:48:22,502 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 21:48:22,504 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 21:48:22,506 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 21:48:22,506 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 21:48:22,507 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/thin001_tso.oepc.i [2020-07-28 21:48:22,576 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f5b4345c/0dfe376727c24dd791a01cef966f2eda/FLAGc3bfbbf0a [2020-07-28 21:48:23,093 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 21:48:23,094 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/thin001_tso.oepc.i [2020-07-28 21:48:23,115 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f5b4345c/0dfe376727c24dd791a01cef966f2eda/FLAGc3bfbbf0a [2020-07-28 21:48:23,392 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f5b4345c/0dfe376727c24dd791a01cef966f2eda [2020-07-28 21:48:23,396 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 21:48:23,398 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 21:48:23,399 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 21:48:23,399 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 21:48:23,403 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 21:48:23,404 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 09:48:23" (1/1) ... [2020-07-28 21:48:23,407 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36483726 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:48:23, skipping insertion in model container [2020-07-28 21:48:23,407 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 09:48:23" (1/1) ... [2020-07-28 21:48:23,414 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 21:48:23,477 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 21:48:23,937 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 21:48:23,948 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 21:48:23,998 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 21:48:24,086 INFO L208 MainTranslator]: Completed translation [2020-07-28 21:48:24,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:48:24 WrapperNode [2020-07-28 21:48:24,087 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 21:48:24,088 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 21:48:24,088 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 21:48:24,088 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 21:48:24,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:48:24" (1/1) ... [2020-07-28 21:48:24,113 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:48:24" (1/1) ... [2020-07-28 21:48:24,139 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 21:48:24,140 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 21:48:24,140 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 21:48:24,140 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 21:48:24,149 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:48:24" (1/1) ... [2020-07-28 21:48:24,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:48:24" (1/1) ... [2020-07-28 21:48:24,152 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:48:24" (1/1) ... [2020-07-28 21:48:24,152 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:48:24" (1/1) ... [2020-07-28 21:48:24,161 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:48:24" (1/1) ... [2020-07-28 21:48:24,163 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:48:24" (1/1) ... [2020-07-28 21:48:24,165 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:48:24" (1/1) ... [2020-07-28 21:48:24,168 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 21:48:24,169 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 21:48:24,169 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 21:48:24,169 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 21:48:24,170 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:48:24" (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 21:48:24,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-28 21:48:24,235 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-07-28 21:48:24,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 21:48:24,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 21:48:24,236 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-07-28 21:48:24,236 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-07-28 21:48:24,236 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-07-28 21:48:24,236 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-07-28 21:48:24,236 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-07-28 21:48:24,237 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-07-28 21:48:24,237 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-07-28 21:48:24,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 21:48:24,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 21:48:24,238 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 21:48:24,676 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 21:48:24,676 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-07-28 21:48:24,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 09:48:24 BoogieIcfgContainer [2020-07-28 21:48:24,680 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 21:48:24,681 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 21:48:24,682 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 21:48:24,685 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 21:48:24,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 09:48:23" (1/3) ... [2020-07-28 21:48:24,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@472ffec5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 09:48:24, skipping insertion in model container [2020-07-28 21:48:24,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:48:24" (2/3) ... [2020-07-28 21:48:24,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@472ffec5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 09:48:24, skipping insertion in model container [2020-07-28 21:48:24,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 09:48:24" (3/3) ... [2020-07-28 21:48:24,689 INFO L109 eAbstractionObserver]: Analyzing ICFG thin001_tso.oepc.i [2020-07-28 21:48:24,699 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-07-28 21:48:24,699 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 21:48:24,706 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 21:48:24,707 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-07-28 21:48:24,737 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:24,738 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:24,738 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:24,738 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:24,739 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:24,739 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:24,740 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:24,740 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:24,740 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:24,740 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:24,741 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:24,741 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:24,741 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:24,742 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:24,742 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:24,742 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:24,742 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:24,743 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:24,746 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:24,746 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:24,747 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:24,747 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:24,756 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:24,757 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:24,757 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:24,757 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:24,760 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:24,760 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:24,760 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:24,760 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:24,776 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-07-28 21:48:24,795 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 21:48:24,796 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 21:48:24,796 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 21:48:24,796 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 21:48:24,796 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 21:48:24,796 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 21:48:24,796 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 21:48:24,796 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 21:48:24,811 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 71 transitions, 157 flow [2020-07-28 21:48:24,813 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 71 transitions, 157 flow [2020-07-28 21:48:24,856 INFO L129 PetriNetUnfolder]: 2/68 cut-off events. [2020-07-28 21:48:24,857 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-07-28 21:48:24,861 INFO L80 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 68 events. 2/68 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 51 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-07-28 21:48:24,864 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 71 transitions, 157 flow [2020-07-28 21:48:24,887 INFO L129 PetriNetUnfolder]: 2/68 cut-off events. [2020-07-28 21:48:24,888 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-07-28 21:48:24,888 INFO L80 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 68 events. 2/68 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 51 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-07-28 21:48:24,891 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1260 [2020-07-28 21:48:24,892 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-07-28 21:48:26,993 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2463 [2020-07-28 21:48:26,993 INFO L214 etLargeBlockEncoding]: Total number of compositions: 57 [2020-07-28 21:48:26,996 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 32 places, 23 transitions, 61 flow [2020-07-28 21:48:27,023 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 362 states. [2020-07-28 21:48:27,025 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states. [2020-07-28 21:48:27,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-07-28 21:48:27,033 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:48:27,034 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:48:27,034 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:48:27,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:48:27,039 INFO L82 PathProgramCache]: Analyzing trace with hash -691335731, now seen corresponding path program 1 times [2020-07-28 21:48:27,049 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:48:27,049 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962709005] [2020-07-28 21:48:27,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:48:27,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:48:27,239 INFO L280 TraceCheckUtils]: 0: Hoare triple {806#true} [225] ULTIMATE.startENTRY-->L770: Formula: (let ((.cse0 (store |v_#valid_56| 0 0))) (and (= (select .cse0 |v_ULTIMATE.start_main_~#t2699~0.base_21|) 0) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2699~0.base_21|) (= 0 v_~y~0_21) (= 0 v_~z~0_20) (= 0 |v_#NULL.base_6|) (= 0 v_~main$tmp_guard0~0_39) (= 0 |v_ULTIMATE.start_main_~#t2699~0.offset_15|) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2699~0.base_21| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2699~0.base_21|) |v_ULTIMATE.start_main_~#t2699~0.offset_15| 0)) |v_#memory_int_13|) (= 0 v_~__unbuffered_p1_EAX~0_29) (= 0 |v_#NULL.offset_6|) (= 0 v_~__unbuffered_p0_EAX~0_27) (= |v_#valid_54| (store .cse0 |v_ULTIMATE.start_main_~#t2699~0.base_21| 1)) (= 0 v_~main$tmp_guard1~0_21) (= |v_#length_19| (store |v_#length_20| |v_ULTIMATE.start_main_~#t2699~0.base_21| 4)) (= v_~__unbuffered_cnt~0_163 0) (< 0 |v_#StackHeapBarrier_15|) (= 0 v_~__unbuffered_p2_EAX~0_28) (= 0 v_~x~0_24))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_56|, #memory_int=|v_#memory_int_14|, #length=|v_#length_20|} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_9|, ULTIMATE.start_main_~#t2700~0.base=|v_ULTIMATE.start_main_~#t2700~0.base_22|, ULTIMATE.start_main_~#t2699~0.offset=|v_ULTIMATE.start_main_~#t2699~0.offset_15|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, #NULL.offset=|v_#NULL.offset_6|, ULTIMATE.start_main_~#t2700~0.offset=|v_ULTIMATE.start_main_~#t2700~0.offset_16|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_21, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_27, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_29, #length=|v_#length_19|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_28, ~y~0=v_~y~0_21, ULTIMATE.start_main_~#t2701~0.offset=|v_ULTIMATE.start_main_~#t2701~0.offset_14|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_39, #NULL.base=|v_#NULL.base_6|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_17|, ULTIMATE.start_main_~#t2699~0.base=|v_ULTIMATE.start_main_~#t2699~0.base_21|, #valid=|v_#valid_54|, #memory_int=|v_#memory_int_13|, ULTIMATE.start_main_~#t2701~0.base=|v_ULTIMATE.start_main_~#t2701~0.base_19|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_163, ~z~0=v_~z~0_20, ~x~0=v_~x~0_24} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2701~0.offset, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t2700~0.base, ULTIMATE.start_main_~#t2699~0.offset, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ULTIMATE.start_main_~#t2700~0.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ~__unbuffered_p0_EAX~0, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~#t2699~0.base, #valid, #memory_int, ULTIMATE.start_main_~#t2701~0.base, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ~x~0] {806#true} is VALID [2020-07-28 21:48:27,240 INFO L280 TraceCheckUtils]: 1: Hoare triple {806#true} [167] L770-->P0ENTRY: Formula: (and (= 0 v_P0Thread1of1ForFork0_thidvar0_2) (= 0 |v_P0Thread1of1ForFork0_#in~arg.base_3|) (= 0 |v_P0Thread1of1ForFork0_#in~arg.offset_3|)) InVars {} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_3|, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_3|, P0Thread1of1ForFork0_thidvar0=v_P0Thread1of1ForFork0_thidvar0_2, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_3|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_3|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_3, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_3} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#in~arg.offset, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_thidvar0, P0Thread1of1ForFork0_#in~arg.base, P0Thread1of1ForFork0_#res.base, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {806#true} is VALID [2020-07-28 21:48:27,240 INFO L280 TraceCheckUtils]: 2: Hoare triple {806#true} [212] L770-1-->L772: Formula: (and (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t2700~0.base_12| 4) |v_#length_15|) (not (= 0 |v_ULTIMATE.start_main_~#t2700~0.base_12|)) (= 0 (select |v_#valid_37| |v_ULTIMATE.start_main_~#t2700~0.base_12|)) (= |v_#valid_36| (store |v_#valid_37| |v_ULTIMATE.start_main_~#t2700~0.base_12| 1)) (= 0 |v_ULTIMATE.start_main_~#t2700~0.offset_10|) (= (store |v_#memory_int_10| |v_ULTIMATE.start_main_~#t2700~0.base_12| (store (select |v_#memory_int_10| |v_ULTIMATE.start_main_~#t2700~0.base_12|) |v_ULTIMATE.start_main_~#t2700~0.offset_10| 1)) |v_#memory_int_9|) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2700~0.base_12|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_10|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t2700~0.base=|v_ULTIMATE.start_main_~#t2700~0.base_12|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_9|, ULTIMATE.start_main_~#t2700~0.offset=|v_ULTIMATE.start_main_~#t2700~0.offset_10|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2700~0.base, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, ULTIMATE.start_main_~#t2700~0.offset, #length] {806#true} is VALID [2020-07-28 21:48:27,241 INFO L280 TraceCheckUtils]: 3: Hoare triple {806#true} [169] L772-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork1_thidvar0_2) (= 0 |v_P1Thread1of1ForFork1_#in~arg.base_3|) (= 0 |v_P1Thread1of1ForFork1_#in~arg.offset_3|)) InVars {} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_3, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_3|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_3, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_3|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_3|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_3|, P1Thread1of1ForFork1_thidvar0=v_P1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_#res.offset, P1Thread1of1ForFork1_~arg.base, P1Thread1of1ForFork1_#in~arg.base, P1Thread1of1ForFork1_#in~arg.offset, P1Thread1of1ForFork1_#res.base, P1Thread1of1ForFork1_thidvar0] {806#true} is VALID [2020-07-28 21:48:27,241 INFO L280 TraceCheckUtils]: 4: Hoare triple {806#true} [198] L772-1-->L774: Formula: (and (not (= 0 |v_ULTIMATE.start_main_~#t2701~0.base_9|)) (= 0 (select |v_#valid_28| |v_ULTIMATE.start_main_~#t2701~0.base_9|)) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t2701~0.base_9|) (= (store |v_#length_14| |v_ULTIMATE.start_main_~#t2701~0.base_9| 4) |v_#length_13|) (= 0 |v_ULTIMATE.start_main_~#t2701~0.offset_9|) (= |v_#memory_int_7| (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t2701~0.base_9| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t2701~0.base_9|) |v_ULTIMATE.start_main_~#t2701~0.offset_9| 2))) (= |v_#valid_27| (store |v_#valid_28| |v_ULTIMATE.start_main_~#t2701~0.base_9| 1))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_28|, #memory_int=|v_#memory_int_8|, #length=|v_#length_14|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_9|, ULTIMATE.start_main_~#t2701~0.offset=|v_ULTIMATE.start_main_~#t2701~0.offset_9|, #valid=|v_#valid_27|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_7|, ULTIMATE.start_main_~#t2701~0.base=|v_ULTIMATE.start_main_~#t2701~0.base_9|, #length=|v_#length_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2701~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, ULTIMATE.start_main_~#t2701~0.base, #length] {806#true} is VALID [2020-07-28 21:48:27,241 INFO L280 TraceCheckUtils]: 5: Hoare triple {806#true} [171] L774-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#in~arg.base_3|) (= 0 |v_P2Thread1of1ForFork2_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_3|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_3, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_3, P2Thread1of1ForFork2_thidvar0=v_P2Thread1of1ForFork2_thidvar0_2, P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_3|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_3|, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_3|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#in~arg.offset, P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, P2Thread1of1ForFork2_thidvar0, P2Thread1of1ForFork2_#res.base, P2Thread1of1ForFork2_#in~arg.base, P2Thread1of1ForFork2_#res.offset] {806#true} is VALID [2020-07-28 21:48:27,247 INFO L280 TraceCheckUtils]: 6: Hoare triple {806#true} [226] L774-1-->L7: Formula: false InVars {} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_29|, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_16, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_28, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_12|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_22, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_42, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_10|} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard1~0, ~main$tmp_guard0~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {807#false} is VALID [2020-07-28 21:48:27,247 INFO L280 TraceCheckUtils]: 7: Hoare triple {807#false} [206] L7-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_9) (= v_ULTIMATE.start___VERIFIER_assert_~expression_9 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_9, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] {807#false} is VALID [2020-07-28 21:48:27,250 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 21:48:27,250 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962709005] [2020-07-28 21:48:27,254 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:48:27,254 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 21:48:27,255 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860969632] [2020-07-28 21:48:27,262 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-07-28 21:48:27,263 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:48:27,267 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 21:48:27,292 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 8 edges. 8 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:48:27,292 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 21:48:27,293 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:48:27,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 21:48:27,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 21:48:27,306 INFO L87 Difference]: Start difference. First operand 362 states. Second operand 2 states. [2020-07-28 21:48:27,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:27,448 INFO L93 Difference]: Finished difference Result 362 states and 1072 transitions. [2020-07-28 21:48:27,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 21:48:27,449 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-07-28 21:48:27,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:48:27,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 21:48:27,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 20 transitions. [2020-07-28 21:48:27,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 21:48:27,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 20 transitions. [2020-07-28 21:48:27,452 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 20 transitions. [2020-07-28 21:48:27,477 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:48:27,509 INFO L225 Difference]: With dead ends: 362 [2020-07-28 21:48:27,509 INFO L226 Difference]: Without dead ends: 298 [2020-07-28 21:48:27,511 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 21:48:27,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2020-07-28 21:48:27,560 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,562 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,562 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,562 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,563 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,563 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,563 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,564 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,564 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,564 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,564 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,565 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,565 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,565 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,565 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,566 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,566 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,566 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,566 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,566 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,567 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,567 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,567 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,567 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,568 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,568 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,568 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,568 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,569 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,569 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,569 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,569 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,570 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,570 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,570 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,570 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,571 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,571 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,571 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,571 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,572 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,572 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,572 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,572 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,572 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,573 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,573 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,573 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,573 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,574 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,574 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,574 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,574 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,575 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,575 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,575 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,575 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,576 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,576 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,576 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,576 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,577 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,577 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,577 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,577 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,578 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,578 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,578 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,578 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,579 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,579 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,579 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,579 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,579 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,580 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,580 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,580 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,580 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,581 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,581 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,581 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,581 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,582 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,582 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,582 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,582 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,582 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,583 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,583 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,583 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,583 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,584 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,584 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,584 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,584 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,585 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,585 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,585 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,585 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,586 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,586 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,586 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,586 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,586 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,587 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,587 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,587 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,587 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,588 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,588 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,588 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,588 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,589 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,589 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,589 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,589 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,589 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,590 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,590 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,590 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,590 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,591 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,591 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,591 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,591 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,592 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,592 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,592 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,592 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,593 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,593 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,593 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,593 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,593 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,594 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,594 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,594 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,594 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,595 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,595 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,595 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,595 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,596 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,596 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,596 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,596 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,597 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,597 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,597 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,597 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,598 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,598 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,598 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,598 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,598 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,599 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,599 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,599 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,599 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,602 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,603 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,603 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,603 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,604 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,604 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,605 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,605 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,605 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,606 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,606 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,606 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,607 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,607 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,608 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,608 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,608 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,608 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,609 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,609 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,609 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,610 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,610 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,610 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,611 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,611 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,611 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,611 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,612 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,612 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,612 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,613 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,613 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,613 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,613 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,614 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,614 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,614 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,615 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,615 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,615 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,616 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,616 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,616 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,616 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,617 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,617 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,617 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,618 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,618 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,618 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,618 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,619 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,619 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,619 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,620 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,620 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,620 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,620 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,621 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,621 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,621 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,622 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,622 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,623 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,623 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,623 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,624 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,624 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,624 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,624 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,625 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,625 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,625 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,626 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,626 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,626 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,626 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,627 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,627 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,627 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,628 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,628 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,628 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,628 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,629 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,629 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,629 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,630 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,631 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,632 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,632 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,632 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,633 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,633 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,633 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,636 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,636 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,637 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,637 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,637 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,645 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,646 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,646 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,647 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,647 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,647 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,647 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,648 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,648 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,648 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,649 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,649 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,649 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,650 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,650 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,650 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,651 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,651 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,651 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,651 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,652 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,652 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,652 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,653 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,653 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,653 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,653 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,654 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,654 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,654 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,655 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,655 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,655 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,655 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,656 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,656 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,656 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,657 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298. [2020-07-28 21:48:27,662 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:48:27,663 INFO L82 GeneralOperation]: Start isEquivalent. First operand 298 states. Second operand 298 states. [2020-07-28 21:48:27,663 INFO L74 IsIncluded]: Start isIncluded. First operand 298 states. Second operand 298 states. [2020-07-28 21:48:27,663 INFO L87 Difference]: Start difference. First operand 298 states. Second operand 298 states. [2020-07-28 21:48:27,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:27,710 INFO L93 Difference]: Finished difference Result 298 states and 864 transitions. [2020-07-28 21:48:27,710 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 864 transitions. [2020-07-28 21:48:27,719 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:27,720 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:27,720 INFO L74 IsIncluded]: Start isIncluded. First operand 298 states. Second operand 298 states. [2020-07-28 21:48:27,720 INFO L87 Difference]: Start difference. First operand 298 states. Second operand 298 states. [2020-07-28 21:48:27,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:27,754 INFO L93 Difference]: Finished difference Result 298 states and 864 transitions. [2020-07-28 21:48:27,754 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 864 transitions. [2020-07-28 21:48:27,757 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:27,758 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:27,758 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:48:27,758 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:48:27,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-07-28 21:48:27,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 864 transitions. [2020-07-28 21:48:27,783 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 864 transitions. Word has length 8 [2020-07-28 21:48:27,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:48:27,783 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 864 transitions. [2020-07-28 21:48:27,783 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 21:48:27,783 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 864 transitions. [2020-07-28 21:48:27,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-07-28 21:48:27,785 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:48:27,785 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:48:27,785 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 21:48:27,785 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:48:27,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:48:27,786 INFO L82 PathProgramCache]: Analyzing trace with hash 43425274, now seen corresponding path program 1 times [2020-07-28 21:48:27,786 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:48:27,787 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384440066] [2020-07-28 21:48:27,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:48:27,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:48:27,980 INFO L280 TraceCheckUtils]: 0: Hoare triple {2364#true} [225] ULTIMATE.startENTRY-->L770: Formula: (let ((.cse0 (store |v_#valid_56| 0 0))) (and (= (select .cse0 |v_ULTIMATE.start_main_~#t2699~0.base_21|) 0) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2699~0.base_21|) (= 0 v_~y~0_21) (= 0 v_~z~0_20) (= 0 |v_#NULL.base_6|) (= 0 v_~main$tmp_guard0~0_39) (= 0 |v_ULTIMATE.start_main_~#t2699~0.offset_15|) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2699~0.base_21| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2699~0.base_21|) |v_ULTIMATE.start_main_~#t2699~0.offset_15| 0)) |v_#memory_int_13|) (= 0 v_~__unbuffered_p1_EAX~0_29) (= 0 |v_#NULL.offset_6|) (= 0 v_~__unbuffered_p0_EAX~0_27) (= |v_#valid_54| (store .cse0 |v_ULTIMATE.start_main_~#t2699~0.base_21| 1)) (= 0 v_~main$tmp_guard1~0_21) (= |v_#length_19| (store |v_#length_20| |v_ULTIMATE.start_main_~#t2699~0.base_21| 4)) (= v_~__unbuffered_cnt~0_163 0) (< 0 |v_#StackHeapBarrier_15|) (= 0 v_~__unbuffered_p2_EAX~0_28) (= 0 v_~x~0_24))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_56|, #memory_int=|v_#memory_int_14|, #length=|v_#length_20|} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_9|, ULTIMATE.start_main_~#t2700~0.base=|v_ULTIMATE.start_main_~#t2700~0.base_22|, ULTIMATE.start_main_~#t2699~0.offset=|v_ULTIMATE.start_main_~#t2699~0.offset_15|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, #NULL.offset=|v_#NULL.offset_6|, ULTIMATE.start_main_~#t2700~0.offset=|v_ULTIMATE.start_main_~#t2700~0.offset_16|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_21, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_27, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_29, #length=|v_#length_19|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_28, ~y~0=v_~y~0_21, ULTIMATE.start_main_~#t2701~0.offset=|v_ULTIMATE.start_main_~#t2701~0.offset_14|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_39, #NULL.base=|v_#NULL.base_6|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_17|, ULTIMATE.start_main_~#t2699~0.base=|v_ULTIMATE.start_main_~#t2699~0.base_21|, #valid=|v_#valid_54|, #memory_int=|v_#memory_int_13|, ULTIMATE.start_main_~#t2701~0.base=|v_ULTIMATE.start_main_~#t2701~0.base_19|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_163, ~z~0=v_~z~0_20, ~x~0=v_~x~0_24} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2701~0.offset, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t2700~0.base, ULTIMATE.start_main_~#t2699~0.offset, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ULTIMATE.start_main_~#t2700~0.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ~__unbuffered_p0_EAX~0, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~#t2699~0.base, #valid, #memory_int, ULTIMATE.start_main_~#t2701~0.base, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ~x~0] {2366#(<= ~__unbuffered_p2_EAX~0 0)} is VALID [2020-07-28 21:48:27,984 INFO L280 TraceCheckUtils]: 1: Hoare triple {2366#(<= ~__unbuffered_p2_EAX~0 0)} [167] L770-->P0ENTRY: Formula: (and (= 0 v_P0Thread1of1ForFork0_thidvar0_2) (= 0 |v_P0Thread1of1ForFork0_#in~arg.base_3|) (= 0 |v_P0Thread1of1ForFork0_#in~arg.offset_3|)) InVars {} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_3|, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_3|, P0Thread1of1ForFork0_thidvar0=v_P0Thread1of1ForFork0_thidvar0_2, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_3|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_3|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_3, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_3} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#in~arg.offset, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_thidvar0, P0Thread1of1ForFork0_#in~arg.base, P0Thread1of1ForFork0_#res.base, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {2366#(<= ~__unbuffered_p2_EAX~0 0)} is VALID [2020-07-28 21:48:27,985 INFO L280 TraceCheckUtils]: 2: Hoare triple {2366#(<= ~__unbuffered_p2_EAX~0 0)} [212] L770-1-->L772: Formula: (and (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t2700~0.base_12| 4) |v_#length_15|) (not (= 0 |v_ULTIMATE.start_main_~#t2700~0.base_12|)) (= 0 (select |v_#valid_37| |v_ULTIMATE.start_main_~#t2700~0.base_12|)) (= |v_#valid_36| (store |v_#valid_37| |v_ULTIMATE.start_main_~#t2700~0.base_12| 1)) (= 0 |v_ULTIMATE.start_main_~#t2700~0.offset_10|) (= (store |v_#memory_int_10| |v_ULTIMATE.start_main_~#t2700~0.base_12| (store (select |v_#memory_int_10| |v_ULTIMATE.start_main_~#t2700~0.base_12|) |v_ULTIMATE.start_main_~#t2700~0.offset_10| 1)) |v_#memory_int_9|) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2700~0.base_12|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_10|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t2700~0.base=|v_ULTIMATE.start_main_~#t2700~0.base_12|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_9|, ULTIMATE.start_main_~#t2700~0.offset=|v_ULTIMATE.start_main_~#t2700~0.offset_10|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2700~0.base, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, ULTIMATE.start_main_~#t2700~0.offset, #length] {2366#(<= ~__unbuffered_p2_EAX~0 0)} is VALID [2020-07-28 21:48:27,985 INFO L280 TraceCheckUtils]: 3: Hoare triple {2366#(<= ~__unbuffered_p2_EAX~0 0)} [169] L772-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork1_thidvar0_2) (= 0 |v_P1Thread1of1ForFork1_#in~arg.base_3|) (= 0 |v_P1Thread1of1ForFork1_#in~arg.offset_3|)) InVars {} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_3, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_3|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_3, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_3|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_3|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_3|, P1Thread1of1ForFork1_thidvar0=v_P1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_#res.offset, P1Thread1of1ForFork1_~arg.base, P1Thread1of1ForFork1_#in~arg.base, P1Thread1of1ForFork1_#in~arg.offset, P1Thread1of1ForFork1_#res.base, P1Thread1of1ForFork1_thidvar0] {2366#(<= ~__unbuffered_p2_EAX~0 0)} is VALID [2020-07-28 21:48:27,986 INFO L280 TraceCheckUtils]: 4: Hoare triple {2366#(<= ~__unbuffered_p2_EAX~0 0)} [198] L772-1-->L774: Formula: (and (not (= 0 |v_ULTIMATE.start_main_~#t2701~0.base_9|)) (= 0 (select |v_#valid_28| |v_ULTIMATE.start_main_~#t2701~0.base_9|)) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t2701~0.base_9|) (= (store |v_#length_14| |v_ULTIMATE.start_main_~#t2701~0.base_9| 4) |v_#length_13|) (= 0 |v_ULTIMATE.start_main_~#t2701~0.offset_9|) (= |v_#memory_int_7| (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t2701~0.base_9| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t2701~0.base_9|) |v_ULTIMATE.start_main_~#t2701~0.offset_9| 2))) (= |v_#valid_27| (store |v_#valid_28| |v_ULTIMATE.start_main_~#t2701~0.base_9| 1))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_28|, #memory_int=|v_#memory_int_8|, #length=|v_#length_14|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_9|, ULTIMATE.start_main_~#t2701~0.offset=|v_ULTIMATE.start_main_~#t2701~0.offset_9|, #valid=|v_#valid_27|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_7|, ULTIMATE.start_main_~#t2701~0.base=|v_ULTIMATE.start_main_~#t2701~0.base_9|, #length=|v_#length_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2701~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, ULTIMATE.start_main_~#t2701~0.base, #length] {2366#(<= ~__unbuffered_p2_EAX~0 0)} is VALID [2020-07-28 21:48:27,987 INFO L280 TraceCheckUtils]: 5: Hoare triple {2366#(<= ~__unbuffered_p2_EAX~0 0)} [171] L774-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#in~arg.base_3|) (= 0 |v_P2Thread1of1ForFork2_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_3|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_3, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_3, P2Thread1of1ForFork2_thidvar0=v_P2Thread1of1ForFork2_thidvar0_2, P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_3|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_3|, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_3|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#in~arg.offset, P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, P2Thread1of1ForFork2_thidvar0, P2Thread1of1ForFork2_#res.base, P2Thread1of1ForFork2_#in~arg.base, P2Thread1of1ForFork2_#res.offset] {2366#(<= ~__unbuffered_p2_EAX~0 0)} is VALID [2020-07-28 21:48:27,988 INFO L280 TraceCheckUtils]: 6: Hoare triple {2366#(<= ~__unbuffered_p2_EAX~0 0)} [222] L774-1-->L3: Formula: (and (= v_ULTIMATE.start_assume_abort_if_not_~cond_22 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (= (mod v_~main$tmp_guard0~0_34 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (let ((.cse0 (= v_~__unbuffered_cnt~0_151 3))) (or (and (= 1 v_~main$tmp_guard0~0_34) .cse0) (and (not .cse0) (= 0 v_~main$tmp_guard0~0_34))))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_151} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_22, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_151, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_34} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {2366#(<= ~__unbuffered_p2_EAX~0 0)} is VALID [2020-07-28 21:48:27,989 INFO L280 TraceCheckUtils]: 7: Hoare triple {2366#(<= ~__unbuffered_p2_EAX~0 0)} [209] L3-->L7: Formula: (and (let ((.cse0 (= 1 v_~__unbuffered_p0_EAX~0_22)) (.cse2 (= 1 v_~__unbuffered_p1_EAX~0_21)) (.cse1 (= 1 v_~__unbuffered_p2_EAX~0_23))) (or (and .cse0 .cse1 (= 0 v_~main$tmp_guard1~0_14) .cse2) (and (= 1 v_~main$tmp_guard1~0_14) (or (not .cse0) (not .cse2) (not .cse1))))) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_12)) (= (mod v_~main$tmp_guard1~0_14 256) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_7|)) InVars {~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_12, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_21, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_11, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_12, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_21, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_14, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_7|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {2367#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} is VALID [2020-07-28 21:48:27,990 INFO L280 TraceCheckUtils]: 8: Hoare triple {2367#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} [206] L7-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_9) (= v_ULTIMATE.start___VERIFIER_assert_~expression_9 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_9, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] {2365#false} is VALID [2020-07-28 21:48:27,992 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 21:48:27,992 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384440066] [2020-07-28 21:48:27,992 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:48:27,992 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 21:48:27,993 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705761884] [2020-07-28 21:48:27,994 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-07-28 21:48:27,994 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:48:27,994 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 21:48:28,009 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 21:48:28,009 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 21:48:28,009 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:48:28,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 21:48:28,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 21:48:28,010 INFO L87 Difference]: Start difference. First operand 298 states and 864 transitions. Second operand 4 states. [2020-07-28 21:48:28,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:28,120 INFO L93 Difference]: Finished difference Result 330 states and 912 transitions. [2020-07-28 21:48:28,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 21:48:28,120 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-07-28 21:48:28,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:48:28,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:48:28,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 43 transitions. [2020-07-28 21:48:28,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:48:28,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 43 transitions. [2020-07-28 21:48:28,123 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 43 transitions. [2020-07-28 21:48:28,176 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 43 edges. 43 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:48:28,184 INFO L225 Difference]: With dead ends: 330 [2020-07-28 21:48:28,185 INFO L226 Difference]: Without dead ends: 266 [2020-07-28 21:48:28,185 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-28 21:48:28,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-07-28 21:48:28,196 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,196 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,196 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,197 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,197 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,197 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,198 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,198 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,198 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,198 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,199 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,199 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,199 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,199 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,200 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,200 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,200 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,200 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,201 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,201 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,201 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,201 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,202 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,202 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,202 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,202 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,203 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,203 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,203 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,204 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,204 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,204 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,205 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,205 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,205 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,205 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,206 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,206 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,206 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,206 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,207 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,207 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,207 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,207 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,208 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,208 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,208 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,208 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,209 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,209 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,209 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,210 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,210 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,210 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,210 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,211 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,211 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,211 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,211 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,212 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,212 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,212 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,212 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,213 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,213 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,213 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,213 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,214 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,214 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,214 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,214 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,215 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,215 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,215 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,216 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,216 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,216 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,216 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,217 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,217 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,217 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,217 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,218 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,218 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,218 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,218 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,219 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,219 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,219 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,220 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,220 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,220 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,220 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,221 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,221 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,221 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,222 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,222 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,222 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,222 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,223 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,223 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,223 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,223 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,224 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,224 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,224 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,224 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,225 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,225 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,225 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,225 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,226 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,226 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,226 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,226 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,227 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,227 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,227 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,227 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,228 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,228 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,228 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,228 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,229 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,229 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,229 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,229 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,230 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,230 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,230 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,231 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,231 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,231 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,231 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,232 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,232 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,232 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,232 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,233 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,233 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,233 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,233 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,234 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,234 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,234 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,234 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,235 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,235 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,235 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,235 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,236 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,236 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,236 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,236 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,237 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,237 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,237 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,237 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,238 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,238 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,238 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,238 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,239 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,239 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,239 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,239 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,240 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,240 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,240 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,240 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,241 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,241 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,241 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,241 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,242 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,242 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,242 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,242 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,243 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,243 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,243 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,243 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,244 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,244 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,244 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,244 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,245 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,245 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,245 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,245 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,246 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,246 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,246 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,247 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,247 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,247 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,247 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,248 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,248 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,248 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,248 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,249 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,249 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,249 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,250 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,250 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,250 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,250 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,251 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,251 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,251 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,251 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,252 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,252 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,252 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,252 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,253 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,253 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,253 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,253 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,254 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,254 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,254 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,254 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,255 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,255 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,255 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,255 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,256 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,256 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,256 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,257 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,257 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,257 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,257 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,258 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,258 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,258 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,258 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,259 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,259 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,259 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,259 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,260 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,260 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,260 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,260 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,261 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,261 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,261 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,262 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,262 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,262 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,262 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,263 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,263 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,263 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,264 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,264 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,264 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,264 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,265 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,265 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,265 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,266 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2020-07-28 21:48:28,267 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:48:28,267 INFO L82 GeneralOperation]: Start isEquivalent. First operand 266 states. Second operand 266 states. [2020-07-28 21:48:28,267 INFO L74 IsIncluded]: Start isIncluded. First operand 266 states. Second operand 266 states. [2020-07-28 21:48:28,267 INFO L87 Difference]: Start difference. First operand 266 states. Second operand 266 states. [2020-07-28 21:48:28,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:28,282 INFO L93 Difference]: Finished difference Result 266 states and 752 transitions. [2020-07-28 21:48:28,283 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 752 transitions. [2020-07-28 21:48:28,283 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:28,284 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:28,284 INFO L74 IsIncluded]: Start isIncluded. First operand 266 states. Second operand 266 states. [2020-07-28 21:48:28,284 INFO L87 Difference]: Start difference. First operand 266 states. Second operand 266 states. [2020-07-28 21:48:28,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:28,299 INFO L93 Difference]: Finished difference Result 266 states and 752 transitions. [2020-07-28 21:48:28,299 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 752 transitions. [2020-07-28 21:48:28,300 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:28,300 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:28,301 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:48:28,301 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:48:28,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-07-28 21:48:28,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 752 transitions. [2020-07-28 21:48:28,316 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 752 transitions. Word has length 9 [2020-07-28 21:48:28,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:48:28,316 INFO L479 AbstractCegarLoop]: Abstraction has 266 states and 752 transitions. [2020-07-28 21:48:28,316 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 21:48:28,317 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 752 transitions. [2020-07-28 21:48:28,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-07-28 21:48:28,317 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:48:28,318 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:48:28,318 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 21:48:28,318 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:48:28,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:48:28,319 INFO L82 PathProgramCache]: Analyzing trace with hash 1345064228, now seen corresponding path program 1 times [2020-07-28 21:48:28,319 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:48:28,319 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085159114] [2020-07-28 21:48:28,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:48:28,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:48:28,412 INFO L280 TraceCheckUtils]: 0: Hoare triple {3766#true} [225] ULTIMATE.startENTRY-->L770: Formula: (let ((.cse0 (store |v_#valid_56| 0 0))) (and (= (select .cse0 |v_ULTIMATE.start_main_~#t2699~0.base_21|) 0) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2699~0.base_21|) (= 0 v_~y~0_21) (= 0 v_~z~0_20) (= 0 |v_#NULL.base_6|) (= 0 v_~main$tmp_guard0~0_39) (= 0 |v_ULTIMATE.start_main_~#t2699~0.offset_15|) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2699~0.base_21| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2699~0.base_21|) |v_ULTIMATE.start_main_~#t2699~0.offset_15| 0)) |v_#memory_int_13|) (= 0 v_~__unbuffered_p1_EAX~0_29) (= 0 |v_#NULL.offset_6|) (= 0 v_~__unbuffered_p0_EAX~0_27) (= |v_#valid_54| (store .cse0 |v_ULTIMATE.start_main_~#t2699~0.base_21| 1)) (= 0 v_~main$tmp_guard1~0_21) (= |v_#length_19| (store |v_#length_20| |v_ULTIMATE.start_main_~#t2699~0.base_21| 4)) (= v_~__unbuffered_cnt~0_163 0) (< 0 |v_#StackHeapBarrier_15|) (= 0 v_~__unbuffered_p2_EAX~0_28) (= 0 v_~x~0_24))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_56|, #memory_int=|v_#memory_int_14|, #length=|v_#length_20|} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_9|, ULTIMATE.start_main_~#t2700~0.base=|v_ULTIMATE.start_main_~#t2700~0.base_22|, ULTIMATE.start_main_~#t2699~0.offset=|v_ULTIMATE.start_main_~#t2699~0.offset_15|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, #NULL.offset=|v_#NULL.offset_6|, ULTIMATE.start_main_~#t2700~0.offset=|v_ULTIMATE.start_main_~#t2700~0.offset_16|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_21, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_27, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_29, #length=|v_#length_19|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_28, ~y~0=v_~y~0_21, ULTIMATE.start_main_~#t2701~0.offset=|v_ULTIMATE.start_main_~#t2701~0.offset_14|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_39, #NULL.base=|v_#NULL.base_6|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_17|, ULTIMATE.start_main_~#t2699~0.base=|v_ULTIMATE.start_main_~#t2699~0.base_21|, #valid=|v_#valid_54|, #memory_int=|v_#memory_int_13|, ULTIMATE.start_main_~#t2701~0.base=|v_ULTIMATE.start_main_~#t2701~0.base_19|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_163, ~z~0=v_~z~0_20, ~x~0=v_~x~0_24} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2701~0.offset, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t2700~0.base, ULTIMATE.start_main_~#t2699~0.offset, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ULTIMATE.start_main_~#t2700~0.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ~__unbuffered_p0_EAX~0, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~#t2699~0.base, #valid, #memory_int, ULTIMATE.start_main_~#t2701~0.base, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ~x~0] {3768#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:48:28,412 INFO L280 TraceCheckUtils]: 1: Hoare triple {3768#(= 0 ~__unbuffered_p0_EAX~0)} [167] L770-->P0ENTRY: Formula: (and (= 0 v_P0Thread1of1ForFork0_thidvar0_2) (= 0 |v_P0Thread1of1ForFork0_#in~arg.base_3|) (= 0 |v_P0Thread1of1ForFork0_#in~arg.offset_3|)) InVars {} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_3|, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_3|, P0Thread1of1ForFork0_thidvar0=v_P0Thread1of1ForFork0_thidvar0_2, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_3|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_3|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_3, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_3} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#in~arg.offset, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_thidvar0, P0Thread1of1ForFork0_#in~arg.base, P0Thread1of1ForFork0_#res.base, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {3768#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:48:28,413 INFO L280 TraceCheckUtils]: 2: Hoare triple {3768#(= 0 ~__unbuffered_p0_EAX~0)} [212] L770-1-->L772: Formula: (and (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t2700~0.base_12| 4) |v_#length_15|) (not (= 0 |v_ULTIMATE.start_main_~#t2700~0.base_12|)) (= 0 (select |v_#valid_37| |v_ULTIMATE.start_main_~#t2700~0.base_12|)) (= |v_#valid_36| (store |v_#valid_37| |v_ULTIMATE.start_main_~#t2700~0.base_12| 1)) (= 0 |v_ULTIMATE.start_main_~#t2700~0.offset_10|) (= (store |v_#memory_int_10| |v_ULTIMATE.start_main_~#t2700~0.base_12| (store (select |v_#memory_int_10| |v_ULTIMATE.start_main_~#t2700~0.base_12|) |v_ULTIMATE.start_main_~#t2700~0.offset_10| 1)) |v_#memory_int_9|) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2700~0.base_12|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_10|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t2700~0.base=|v_ULTIMATE.start_main_~#t2700~0.base_12|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_9|, ULTIMATE.start_main_~#t2700~0.offset=|v_ULTIMATE.start_main_~#t2700~0.offset_10|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2700~0.base, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, ULTIMATE.start_main_~#t2700~0.offset, #length] {3768#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:48:28,414 INFO L280 TraceCheckUtils]: 3: Hoare triple {3768#(= 0 ~__unbuffered_p0_EAX~0)} [169] L772-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork1_thidvar0_2) (= 0 |v_P1Thread1of1ForFork1_#in~arg.base_3|) (= 0 |v_P1Thread1of1ForFork1_#in~arg.offset_3|)) InVars {} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_3, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_3|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_3, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_3|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_3|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_3|, P1Thread1of1ForFork1_thidvar0=v_P1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_#res.offset, P1Thread1of1ForFork1_~arg.base, P1Thread1of1ForFork1_#in~arg.base, P1Thread1of1ForFork1_#in~arg.offset, P1Thread1of1ForFork1_#res.base, P1Thread1of1ForFork1_thidvar0] {3768#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:48:28,415 INFO L280 TraceCheckUtils]: 4: Hoare triple {3768#(= 0 ~__unbuffered_p0_EAX~0)} [198] L772-1-->L774: Formula: (and (not (= 0 |v_ULTIMATE.start_main_~#t2701~0.base_9|)) (= 0 (select |v_#valid_28| |v_ULTIMATE.start_main_~#t2701~0.base_9|)) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t2701~0.base_9|) (= (store |v_#length_14| |v_ULTIMATE.start_main_~#t2701~0.base_9| 4) |v_#length_13|) (= 0 |v_ULTIMATE.start_main_~#t2701~0.offset_9|) (= |v_#memory_int_7| (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t2701~0.base_9| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t2701~0.base_9|) |v_ULTIMATE.start_main_~#t2701~0.offset_9| 2))) (= |v_#valid_27| (store |v_#valid_28| |v_ULTIMATE.start_main_~#t2701~0.base_9| 1))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_28|, #memory_int=|v_#memory_int_8|, #length=|v_#length_14|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_9|, ULTIMATE.start_main_~#t2701~0.offset=|v_ULTIMATE.start_main_~#t2701~0.offset_9|, #valid=|v_#valid_27|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_7|, ULTIMATE.start_main_~#t2701~0.base=|v_ULTIMATE.start_main_~#t2701~0.base_9|, #length=|v_#length_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2701~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, ULTIMATE.start_main_~#t2701~0.base, #length] {3768#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:48:28,416 INFO L280 TraceCheckUtils]: 5: Hoare triple {3768#(= 0 ~__unbuffered_p0_EAX~0)} [171] L774-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#in~arg.base_3|) (= 0 |v_P2Thread1of1ForFork2_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_3|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_3, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_3, P2Thread1of1ForFork2_thidvar0=v_P2Thread1of1ForFork2_thidvar0_2, P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_3|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_3|, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_3|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#in~arg.offset, P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, P2Thread1of1ForFork2_thidvar0, P2Thread1of1ForFork2_#res.base, P2Thread1of1ForFork2_#in~arg.base, P2Thread1of1ForFork2_#res.offset] {3768#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:48:28,416 INFO L280 TraceCheckUtils]: 6: Hoare triple {3768#(= 0 ~__unbuffered_p0_EAX~0)} [184] P2ENTRY-->L747: Formula: (and (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4) (= v_~y~0_11 v_~__unbuffered_p2_EAX~0_15)) InVars {P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_11} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_4, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_4, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_15, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_11} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {3768#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:48:28,417 INFO L280 TraceCheckUtils]: 7: Hoare triple {3768#(= 0 ~__unbuffered_p0_EAX~0)} [222] L774-1-->L3: Formula: (and (= v_ULTIMATE.start_assume_abort_if_not_~cond_22 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (= (mod v_~main$tmp_guard0~0_34 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (let ((.cse0 (= v_~__unbuffered_cnt~0_151 3))) (or (and (= 1 v_~main$tmp_guard0~0_34) .cse0) (and (not .cse0) (= 0 v_~main$tmp_guard0~0_34))))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_151} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_22, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_151, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_34} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {3768#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:48:28,418 INFO L280 TraceCheckUtils]: 8: Hoare triple {3768#(= 0 ~__unbuffered_p0_EAX~0)} [209] L3-->L7: Formula: (and (let ((.cse0 (= 1 v_~__unbuffered_p0_EAX~0_22)) (.cse2 (= 1 v_~__unbuffered_p1_EAX~0_21)) (.cse1 (= 1 v_~__unbuffered_p2_EAX~0_23))) (or (and .cse0 .cse1 (= 0 v_~main$tmp_guard1~0_14) .cse2) (and (= 1 v_~main$tmp_guard1~0_14) (or (not .cse0) (not .cse2) (not .cse1))))) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_12)) (= (mod v_~main$tmp_guard1~0_14 256) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_7|)) InVars {~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_12, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_21, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_11, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_12, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_21, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_14, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_7|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {3769#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} is VALID [2020-07-28 21:48:28,419 INFO L280 TraceCheckUtils]: 9: Hoare triple {3769#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} [206] L7-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_9) (= v_ULTIMATE.start___VERIFIER_assert_~expression_9 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_9, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] {3767#false} is VALID [2020-07-28 21:48:28,420 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 21:48:28,420 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085159114] [2020-07-28 21:48:28,421 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:48:28,421 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 21:48:28,421 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881871214] [2020-07-28 21:48:28,421 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-07-28 21:48:28,421 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:48:28,421 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 21:48:28,439 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 10 edges. 10 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:48:28,439 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 21:48:28,439 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:48:28,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 21:48:28,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 21:48:28,440 INFO L87 Difference]: Start difference. First operand 266 states and 752 transitions. Second operand 4 states. [2020-07-28 21:48:28,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:28,534 INFO L93 Difference]: Finished difference Result 290 states and 786 transitions. [2020-07-28 21:48:28,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 21:48:28,534 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-07-28 21:48:28,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:48:28,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:48:28,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 45 transitions. [2020-07-28 21:48:28,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:48:28,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 45 transitions. [2020-07-28 21:48:28,537 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 45 transitions. [2020-07-28 21:48:28,591 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 45 edges. 45 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:48:28,597 INFO L225 Difference]: With dead ends: 290 [2020-07-28 21:48:28,597 INFO L226 Difference]: Without dead ends: 242 [2020-07-28 21:48:28,598 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-28 21:48:28,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2020-07-28 21:48:28,604 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,605 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,605 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,605 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,605 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,606 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,606 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,606 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,606 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,607 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,607 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,607 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,607 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,608 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,608 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,608 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,608 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,609 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,609 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,609 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,609 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,610 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,610 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,610 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,610 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,611 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,611 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,611 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,611 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,612 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,612 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,612 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,612 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,613 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,613 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,613 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,613 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,614 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,614 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,614 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,614 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,615 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,615 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,615 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,615 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,615 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,616 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,616 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,616 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,616 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,617 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,617 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,617 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,617 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,618 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,618 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,618 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,618 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,619 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,619 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,619 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,619 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,620 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,620 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,620 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,620 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,621 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,621 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,621 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,621 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,622 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,622 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,622 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,622 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,623 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,623 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,623 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,623 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,624 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,624 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,624 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,624 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,625 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,625 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,625 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,625 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,626 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,626 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,626 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,626 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,627 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,627 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,627 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,627 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,627 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,628 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,628 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,628 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,629 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,629 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,629 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,629 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,630 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,630 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,630 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,630 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,631 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,631 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,631 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,631 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,632 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,632 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,632 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,632 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,633 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,633 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,633 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,633 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,634 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,634 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,634 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,634 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,635 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,635 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,635 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,635 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,636 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,636 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,636 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,636 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,637 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,637 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,637 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,637 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,638 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,638 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,638 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,638 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,639 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,639 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,639 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,639 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,640 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,640 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,640 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,640 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,641 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,641 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,641 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,641 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,642 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,642 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,642 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,642 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,643 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,643 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,643 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,643 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,644 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,644 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,644 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,644 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,645 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,645 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,645 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,645 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,646 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,646 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,646 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,646 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,647 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,647 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,647 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,647 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,648 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,648 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,648 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,648 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,648 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,648 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,648 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,649 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,649 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,649 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,649 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,649 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,650 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,650 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,650 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,650 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,650 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,650 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,650 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,651 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,651 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,651 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,651 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,651 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,651 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,651 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,652 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,652 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,652 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,652 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,652 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,652 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,652 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,653 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,653 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,653 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,653 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,653 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,653 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,654 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,654 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,654 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,654 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,654 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,654 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,654 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,655 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,655 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,655 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,655 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,655 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,655 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,655 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,656 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,656 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,656 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,656 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,657 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,657 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,657 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,658 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,658 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,658 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,658 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,659 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,659 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,659 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,659 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 242. [2020-07-28 21:48:28,660 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:48:28,661 INFO L82 GeneralOperation]: Start isEquivalent. First operand 242 states. Second operand 242 states. [2020-07-28 21:48:28,661 INFO L74 IsIncluded]: Start isIncluded. First operand 242 states. Second operand 242 states. [2020-07-28 21:48:28,661 INFO L87 Difference]: Start difference. First operand 242 states. Second operand 242 states. [2020-07-28 21:48:28,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:28,673 INFO L93 Difference]: Finished difference Result 242 states and 670 transitions. [2020-07-28 21:48:28,673 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 670 transitions. [2020-07-28 21:48:28,674 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:28,674 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:28,674 INFO L74 IsIncluded]: Start isIncluded. First operand 242 states. Second operand 242 states. [2020-07-28 21:48:28,674 INFO L87 Difference]: Start difference. First operand 242 states. Second operand 242 states. [2020-07-28 21:48:28,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:28,686 INFO L93 Difference]: Finished difference Result 242 states and 670 transitions. [2020-07-28 21:48:28,686 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 670 transitions. [2020-07-28 21:48:28,687 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:28,687 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:28,687 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:48:28,687 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:48:28,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2020-07-28 21:48:28,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 670 transitions. [2020-07-28 21:48:28,697 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 670 transitions. Word has length 10 [2020-07-28 21:48:28,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:48:28,697 INFO L479 AbstractCegarLoop]: Abstraction has 242 states and 670 transitions. [2020-07-28 21:48:28,697 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 21:48:28,697 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 670 transitions. [2020-07-28 21:48:28,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-07-28 21:48:28,698 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:48:28,698 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:48:28,698 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 21:48:28,699 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:48:28,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:48:28,699 INFO L82 PathProgramCache]: Analyzing trace with hash 1654538757, now seen corresponding path program 1 times [2020-07-28 21:48:28,699 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:48:28,700 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885662937] [2020-07-28 21:48:28,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:48:28,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:48:28,763 INFO L280 TraceCheckUtils]: 0: Hoare triple {5032#true} [225] ULTIMATE.startENTRY-->L770: Formula: (let ((.cse0 (store |v_#valid_56| 0 0))) (and (= (select .cse0 |v_ULTIMATE.start_main_~#t2699~0.base_21|) 0) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2699~0.base_21|) (= 0 v_~y~0_21) (= 0 v_~z~0_20) (= 0 |v_#NULL.base_6|) (= 0 v_~main$tmp_guard0~0_39) (= 0 |v_ULTIMATE.start_main_~#t2699~0.offset_15|) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2699~0.base_21| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2699~0.base_21|) |v_ULTIMATE.start_main_~#t2699~0.offset_15| 0)) |v_#memory_int_13|) (= 0 v_~__unbuffered_p1_EAX~0_29) (= 0 |v_#NULL.offset_6|) (= 0 v_~__unbuffered_p0_EAX~0_27) (= |v_#valid_54| (store .cse0 |v_ULTIMATE.start_main_~#t2699~0.base_21| 1)) (= 0 v_~main$tmp_guard1~0_21) (= |v_#length_19| (store |v_#length_20| |v_ULTIMATE.start_main_~#t2699~0.base_21| 4)) (= v_~__unbuffered_cnt~0_163 0) (< 0 |v_#StackHeapBarrier_15|) (= 0 v_~__unbuffered_p2_EAX~0_28) (= 0 v_~x~0_24))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_56|, #memory_int=|v_#memory_int_14|, #length=|v_#length_20|} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_9|, ULTIMATE.start_main_~#t2700~0.base=|v_ULTIMATE.start_main_~#t2700~0.base_22|, ULTIMATE.start_main_~#t2699~0.offset=|v_ULTIMATE.start_main_~#t2699~0.offset_15|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, #NULL.offset=|v_#NULL.offset_6|, ULTIMATE.start_main_~#t2700~0.offset=|v_ULTIMATE.start_main_~#t2700~0.offset_16|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_21, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_27, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_29, #length=|v_#length_19|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_28, ~y~0=v_~y~0_21, ULTIMATE.start_main_~#t2701~0.offset=|v_ULTIMATE.start_main_~#t2701~0.offset_14|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_39, #NULL.base=|v_#NULL.base_6|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_17|, ULTIMATE.start_main_~#t2699~0.base=|v_ULTIMATE.start_main_~#t2699~0.base_21|, #valid=|v_#valid_54|, #memory_int=|v_#memory_int_13|, ULTIMATE.start_main_~#t2701~0.base=|v_ULTIMATE.start_main_~#t2701~0.base_19|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_163, ~z~0=v_~z~0_20, ~x~0=v_~x~0_24} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2701~0.offset, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t2700~0.base, ULTIMATE.start_main_~#t2699~0.offset, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ULTIMATE.start_main_~#t2700~0.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ~__unbuffered_p0_EAX~0, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~#t2699~0.base, #valid, #memory_int, ULTIMATE.start_main_~#t2701~0.base, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ~x~0] {5034#(= 0 ~__unbuffered_p1_EAX~0)} is VALID [2020-07-28 21:48:28,764 INFO L280 TraceCheckUtils]: 1: Hoare triple {5034#(= 0 ~__unbuffered_p1_EAX~0)} [167] L770-->P0ENTRY: Formula: (and (= 0 v_P0Thread1of1ForFork0_thidvar0_2) (= 0 |v_P0Thread1of1ForFork0_#in~arg.base_3|) (= 0 |v_P0Thread1of1ForFork0_#in~arg.offset_3|)) InVars {} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_3|, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_3|, P0Thread1of1ForFork0_thidvar0=v_P0Thread1of1ForFork0_thidvar0_2, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_3|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_3|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_3, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_3} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#in~arg.offset, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_thidvar0, P0Thread1of1ForFork0_#in~arg.base, P0Thread1of1ForFork0_#res.base, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {5034#(= 0 ~__unbuffered_p1_EAX~0)} is VALID [2020-07-28 21:48:28,765 INFO L280 TraceCheckUtils]: 2: Hoare triple {5034#(= 0 ~__unbuffered_p1_EAX~0)} [212] L770-1-->L772: Formula: (and (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t2700~0.base_12| 4) |v_#length_15|) (not (= 0 |v_ULTIMATE.start_main_~#t2700~0.base_12|)) (= 0 (select |v_#valid_37| |v_ULTIMATE.start_main_~#t2700~0.base_12|)) (= |v_#valid_36| (store |v_#valid_37| |v_ULTIMATE.start_main_~#t2700~0.base_12| 1)) (= 0 |v_ULTIMATE.start_main_~#t2700~0.offset_10|) (= (store |v_#memory_int_10| |v_ULTIMATE.start_main_~#t2700~0.base_12| (store (select |v_#memory_int_10| |v_ULTIMATE.start_main_~#t2700~0.base_12|) |v_ULTIMATE.start_main_~#t2700~0.offset_10| 1)) |v_#memory_int_9|) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2700~0.base_12|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_10|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t2700~0.base=|v_ULTIMATE.start_main_~#t2700~0.base_12|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_9|, ULTIMATE.start_main_~#t2700~0.offset=|v_ULTIMATE.start_main_~#t2700~0.offset_10|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2700~0.base, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, ULTIMATE.start_main_~#t2700~0.offset, #length] {5034#(= 0 ~__unbuffered_p1_EAX~0)} is VALID [2020-07-28 21:48:28,765 INFO L280 TraceCheckUtils]: 3: Hoare triple {5034#(= 0 ~__unbuffered_p1_EAX~0)} [185] P0ENTRY-->L717: Formula: (and (= v_~z~0_7 v_~__unbuffered_p0_EAX~0_11) (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= v_P0Thread1of1ForFork0_~arg.base_4 |v_P0Thread1of1ForFork0_#in~arg.base_4|)) InVars {P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~z~0=v_~z~0_7} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_11, P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~z~0=v_~z~0_7, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_4, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_4} AuxVars[] AssignedVars[~__unbuffered_p0_EAX~0, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {5034#(= 0 ~__unbuffered_p1_EAX~0)} is VALID [2020-07-28 21:48:28,766 INFO L280 TraceCheckUtils]: 4: Hoare triple {5034#(= 0 ~__unbuffered_p1_EAX~0)} [169] L772-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork1_thidvar0_2) (= 0 |v_P1Thread1of1ForFork1_#in~arg.base_3|) (= 0 |v_P1Thread1of1ForFork1_#in~arg.offset_3|)) InVars {} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_3, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_3|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_3, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_3|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_3|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_3|, P1Thread1of1ForFork1_thidvar0=v_P1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_#res.offset, P1Thread1of1ForFork1_~arg.base, P1Thread1of1ForFork1_#in~arg.base, P1Thread1of1ForFork1_#in~arg.offset, P1Thread1of1ForFork1_#res.base, P1Thread1of1ForFork1_thidvar0] {5034#(= 0 ~__unbuffered_p1_EAX~0)} is VALID [2020-07-28 21:48:28,767 INFO L280 TraceCheckUtils]: 5: Hoare triple {5034#(= 0 ~__unbuffered_p1_EAX~0)} [198] L772-1-->L774: Formula: (and (not (= 0 |v_ULTIMATE.start_main_~#t2701~0.base_9|)) (= 0 (select |v_#valid_28| |v_ULTIMATE.start_main_~#t2701~0.base_9|)) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t2701~0.base_9|) (= (store |v_#length_14| |v_ULTIMATE.start_main_~#t2701~0.base_9| 4) |v_#length_13|) (= 0 |v_ULTIMATE.start_main_~#t2701~0.offset_9|) (= |v_#memory_int_7| (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t2701~0.base_9| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t2701~0.base_9|) |v_ULTIMATE.start_main_~#t2701~0.offset_9| 2))) (= |v_#valid_27| (store |v_#valid_28| |v_ULTIMATE.start_main_~#t2701~0.base_9| 1))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_28|, #memory_int=|v_#memory_int_8|, #length=|v_#length_14|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_9|, ULTIMATE.start_main_~#t2701~0.offset=|v_ULTIMATE.start_main_~#t2701~0.offset_9|, #valid=|v_#valid_27|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_7|, ULTIMATE.start_main_~#t2701~0.base=|v_ULTIMATE.start_main_~#t2701~0.base_9|, #length=|v_#length_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2701~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, ULTIMATE.start_main_~#t2701~0.base, #length] {5034#(= 0 ~__unbuffered_p1_EAX~0)} is VALID [2020-07-28 21:48:28,768 INFO L280 TraceCheckUtils]: 6: Hoare triple {5034#(= 0 ~__unbuffered_p1_EAX~0)} [171] L774-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#in~arg.base_3|) (= 0 |v_P2Thread1of1ForFork2_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_3|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_3, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_3, P2Thread1of1ForFork2_thidvar0=v_P2Thread1of1ForFork2_thidvar0_2, P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_3|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_3|, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_3|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#in~arg.offset, P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, P2Thread1of1ForFork2_thidvar0, P2Thread1of1ForFork2_#res.base, P2Thread1of1ForFork2_#in~arg.base, P2Thread1of1ForFork2_#res.offset] {5034#(= 0 ~__unbuffered_p1_EAX~0)} is VALID [2020-07-28 21:48:28,768 INFO L280 TraceCheckUtils]: 7: Hoare triple {5034#(= 0 ~__unbuffered_p1_EAX~0)} [184] P2ENTRY-->L747: Formula: (and (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4) (= v_~y~0_11 v_~__unbuffered_p2_EAX~0_15)) InVars {P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_11} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_4, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_4, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_15, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_11} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {5034#(= 0 ~__unbuffered_p1_EAX~0)} is VALID [2020-07-28 21:48:28,769 INFO L280 TraceCheckUtils]: 8: Hoare triple {5034#(= 0 ~__unbuffered_p1_EAX~0)} [222] L774-1-->L3: Formula: (and (= v_ULTIMATE.start_assume_abort_if_not_~cond_22 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (= (mod v_~main$tmp_guard0~0_34 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (let ((.cse0 (= v_~__unbuffered_cnt~0_151 3))) (or (and (= 1 v_~main$tmp_guard0~0_34) .cse0) (and (not .cse0) (= 0 v_~main$tmp_guard0~0_34))))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_151} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_22, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_151, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_34} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {5034#(= 0 ~__unbuffered_p1_EAX~0)} is VALID [2020-07-28 21:48:28,770 INFO L280 TraceCheckUtils]: 9: Hoare triple {5034#(= 0 ~__unbuffered_p1_EAX~0)} [209] L3-->L7: Formula: (and (let ((.cse0 (= 1 v_~__unbuffered_p0_EAX~0_22)) (.cse2 (= 1 v_~__unbuffered_p1_EAX~0_21)) (.cse1 (= 1 v_~__unbuffered_p2_EAX~0_23))) (or (and .cse0 .cse1 (= 0 v_~main$tmp_guard1~0_14) .cse2) (and (= 1 v_~main$tmp_guard1~0_14) (or (not .cse0) (not .cse2) (not .cse1))))) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_12)) (= (mod v_~main$tmp_guard1~0_14 256) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_7|)) InVars {~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_12, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_21, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_11, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_12, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_21, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_14, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_7|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {5035#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} is VALID [2020-07-28 21:48:28,771 INFO L280 TraceCheckUtils]: 10: Hoare triple {5035#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} [206] L7-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_9) (= v_ULTIMATE.start___VERIFIER_assert_~expression_9 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_9, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] {5033#false} is VALID [2020-07-28 21:48:28,772 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 21:48:28,772 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885662937] [2020-07-28 21:48:28,772 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:48:28,773 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 21:48:28,773 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733379246] [2020-07-28 21:48:28,773 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-07-28 21:48:28,773 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:48:28,773 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 21:48:28,788 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:48:28,788 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 21:48:28,788 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:48:28,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 21:48:28,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 21:48:28,788 INFO L87 Difference]: Start difference. First operand 242 states and 670 transitions. Second operand 4 states. [2020-07-28 21:48:28,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:28,867 INFO L93 Difference]: Finished difference Result 260 states and 694 transitions. [2020-07-28 21:48:28,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 21:48:28,868 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-07-28 21:48:28,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:48:28,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:48:28,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 41 transitions. [2020-07-28 21:48:28,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:48:28,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 41 transitions. [2020-07-28 21:48:28,870 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 41 transitions. [2020-07-28 21:48:28,917 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 41 edges. 41 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:48:28,923 INFO L225 Difference]: With dead ends: 260 [2020-07-28 21:48:28,923 INFO L226 Difference]: Without dead ends: 224 [2020-07-28 21:48:28,923 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-28 21:48:28,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2020-07-28 21:48:28,928 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,928 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,929 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,929 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,929 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,930 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,930 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,930 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,931 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,931 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,931 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,931 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,932 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,932 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,932 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,933 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,933 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,933 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,934 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,934 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,934 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,934 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,935 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,935 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,935 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,936 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,936 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,936 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,937 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,937 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,937 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,937 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,938 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,938 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,938 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,939 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,939 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,939 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,940 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,940 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,940 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,940 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,941 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,941 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,941 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,942 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,942 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,942 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,942 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,943 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,943 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,943 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,944 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,944 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,944 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,945 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,945 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,945 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,945 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,946 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,946 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,946 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,947 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,947 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,947 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,948 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,948 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,948 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,948 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,949 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,949 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,949 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,950 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,950 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,950 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,951 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,951 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,951 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,951 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,952 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,952 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,952 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,953 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,953 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,953 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,954 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,954 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,954 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,955 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,955 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,955 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,955 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,956 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,956 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,956 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,957 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,957 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,957 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,958 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,958 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,958 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,958 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,959 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,959 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,959 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,960 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,960 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,960 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,960 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,961 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,961 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,961 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,962 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,962 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,962 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,963 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,963 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,963 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,964 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,964 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,964 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,964 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,965 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,965 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,965 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,966 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,966 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,966 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,966 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,967 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,967 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,967 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,968 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,968 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,968 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,969 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,969 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,969 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,970 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,970 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,970 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,970 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,971 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,971 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,971 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,971 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,971 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,971 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,972 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,972 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,972 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,972 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,972 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,973 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,973 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,973 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,974 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,975 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,975 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,975 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,976 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,976 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,976 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,976 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,977 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,977 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,977 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,978 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,978 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,978 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,979 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,979 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,979 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,979 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,980 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,980 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,980 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,980 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,980 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,981 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,981 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,981 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,981 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,981 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,982 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,982 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,982 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,982 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,983 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,983 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,983 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,984 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,984 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,984 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,985 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,985 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,985 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,986 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,986 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,986 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,986 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,987 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,987 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,987 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,988 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,988 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,988 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,989 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,989 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,989 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,990 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,990 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,990 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,990 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,991 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,991 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,991 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,992 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,992 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,992 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,993 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,993 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,993 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,994 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 224. [2020-07-28 21:48:28,995 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:48:28,995 INFO L82 GeneralOperation]: Start isEquivalent. First operand 224 states. Second operand 224 states. [2020-07-28 21:48:28,995 INFO L74 IsIncluded]: Start isIncluded. First operand 224 states. Second operand 224 states. [2020-07-28 21:48:28,995 INFO L87 Difference]: Start difference. First operand 224 states. Second operand 224 states. [2020-07-28 21:48:29,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:29,005 INFO L93 Difference]: Finished difference Result 224 states and 610 transitions. [2020-07-28 21:48:29,005 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 610 transitions. [2020-07-28 21:48:29,006 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:29,006 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:29,006 INFO L74 IsIncluded]: Start isIncluded. First operand 224 states. Second operand 224 states. [2020-07-28 21:48:29,007 INFO L87 Difference]: Start difference. First operand 224 states. Second operand 224 states. [2020-07-28 21:48:29,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:29,015 INFO L93 Difference]: Finished difference Result 224 states and 610 transitions. [2020-07-28 21:48:29,015 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 610 transitions. [2020-07-28 21:48:29,016 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:29,016 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:29,017 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:48:29,017 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:48:29,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-07-28 21:48:29,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 610 transitions. [2020-07-28 21:48:29,025 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 610 transitions. Word has length 11 [2020-07-28 21:48:29,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:48:29,026 INFO L479 AbstractCegarLoop]: Abstraction has 224 states and 610 transitions. [2020-07-28 21:48:29,026 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 21:48:29,026 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 610 transitions. [2020-07-28 21:48:29,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-28 21:48:29,027 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:48:29,027 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:48:29,028 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 21:48:29,028 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:48:29,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:48:29,029 INFO L82 PathProgramCache]: Analyzing trace with hash 368404844, now seen corresponding path program 1 times [2020-07-28 21:48:29,029 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:48:29,029 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455517166] [2020-07-28 21:48:29,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:48:29,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:48:29,127 INFO L280 TraceCheckUtils]: 0: Hoare triple {6196#true} [225] ULTIMATE.startENTRY-->L770: Formula: (let ((.cse0 (store |v_#valid_56| 0 0))) (and (= (select .cse0 |v_ULTIMATE.start_main_~#t2699~0.base_21|) 0) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2699~0.base_21|) (= 0 v_~y~0_21) (= 0 v_~z~0_20) (= 0 |v_#NULL.base_6|) (= 0 v_~main$tmp_guard0~0_39) (= 0 |v_ULTIMATE.start_main_~#t2699~0.offset_15|) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2699~0.base_21| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2699~0.base_21|) |v_ULTIMATE.start_main_~#t2699~0.offset_15| 0)) |v_#memory_int_13|) (= 0 v_~__unbuffered_p1_EAX~0_29) (= 0 |v_#NULL.offset_6|) (= 0 v_~__unbuffered_p0_EAX~0_27) (= |v_#valid_54| (store .cse0 |v_ULTIMATE.start_main_~#t2699~0.base_21| 1)) (= 0 v_~main$tmp_guard1~0_21) (= |v_#length_19| (store |v_#length_20| |v_ULTIMATE.start_main_~#t2699~0.base_21| 4)) (= v_~__unbuffered_cnt~0_163 0) (< 0 |v_#StackHeapBarrier_15|) (= 0 v_~__unbuffered_p2_EAX~0_28) (= 0 v_~x~0_24))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_56|, #memory_int=|v_#memory_int_14|, #length=|v_#length_20|} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_9|, ULTIMATE.start_main_~#t2700~0.base=|v_ULTIMATE.start_main_~#t2700~0.base_22|, ULTIMATE.start_main_~#t2699~0.offset=|v_ULTIMATE.start_main_~#t2699~0.offset_15|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, #NULL.offset=|v_#NULL.offset_6|, ULTIMATE.start_main_~#t2700~0.offset=|v_ULTIMATE.start_main_~#t2700~0.offset_16|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_21, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_27, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_29, #length=|v_#length_19|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_28, ~y~0=v_~y~0_21, ULTIMATE.start_main_~#t2701~0.offset=|v_ULTIMATE.start_main_~#t2701~0.offset_14|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_39, #NULL.base=|v_#NULL.base_6|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_17|, ULTIMATE.start_main_~#t2699~0.base=|v_ULTIMATE.start_main_~#t2699~0.base_21|, #valid=|v_#valid_54|, #memory_int=|v_#memory_int_13|, ULTIMATE.start_main_~#t2701~0.base=|v_ULTIMATE.start_main_~#t2701~0.base_19|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_163, ~z~0=v_~z~0_20, ~x~0=v_~x~0_24} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2701~0.offset, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t2700~0.base, ULTIMATE.start_main_~#t2699~0.offset, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ULTIMATE.start_main_~#t2700~0.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ~__unbuffered_p0_EAX~0, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~#t2699~0.base, #valid, #memory_int, ULTIMATE.start_main_~#t2701~0.base, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ~x~0] {6198#(<= ~x~0 0)} is VALID [2020-07-28 21:48:29,129 INFO L280 TraceCheckUtils]: 1: Hoare triple {6198#(<= ~x~0 0)} [167] L770-->P0ENTRY: Formula: (and (= 0 v_P0Thread1of1ForFork0_thidvar0_2) (= 0 |v_P0Thread1of1ForFork0_#in~arg.base_3|) (= 0 |v_P0Thread1of1ForFork0_#in~arg.offset_3|)) InVars {} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_3|, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_3|, P0Thread1of1ForFork0_thidvar0=v_P0Thread1of1ForFork0_thidvar0_2, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_3|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_3|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_3, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_3} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#in~arg.offset, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_thidvar0, P0Thread1of1ForFork0_#in~arg.base, P0Thread1of1ForFork0_#res.base, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {6198#(<= ~x~0 0)} is VALID [2020-07-28 21:48:29,129 INFO L280 TraceCheckUtils]: 2: Hoare triple {6198#(<= ~x~0 0)} [212] L770-1-->L772: Formula: (and (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t2700~0.base_12| 4) |v_#length_15|) (not (= 0 |v_ULTIMATE.start_main_~#t2700~0.base_12|)) (= 0 (select |v_#valid_37| |v_ULTIMATE.start_main_~#t2700~0.base_12|)) (= |v_#valid_36| (store |v_#valid_37| |v_ULTIMATE.start_main_~#t2700~0.base_12| 1)) (= 0 |v_ULTIMATE.start_main_~#t2700~0.offset_10|) (= (store |v_#memory_int_10| |v_ULTIMATE.start_main_~#t2700~0.base_12| (store (select |v_#memory_int_10| |v_ULTIMATE.start_main_~#t2700~0.base_12|) |v_ULTIMATE.start_main_~#t2700~0.offset_10| 1)) |v_#memory_int_9|) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2700~0.base_12|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_10|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t2700~0.base=|v_ULTIMATE.start_main_~#t2700~0.base_12|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_9|, ULTIMATE.start_main_~#t2700~0.offset=|v_ULTIMATE.start_main_~#t2700~0.offset_10|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2700~0.base, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, ULTIMATE.start_main_~#t2700~0.offset, #length] {6198#(<= ~x~0 0)} is VALID [2020-07-28 21:48:29,130 INFO L280 TraceCheckUtils]: 3: Hoare triple {6198#(<= ~x~0 0)} [185] P0ENTRY-->L717: Formula: (and (= v_~z~0_7 v_~__unbuffered_p0_EAX~0_11) (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= v_P0Thread1of1ForFork0_~arg.base_4 |v_P0Thread1of1ForFork0_#in~arg.base_4|)) InVars {P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~z~0=v_~z~0_7} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_11, P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~z~0=v_~z~0_7, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_4, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_4} AuxVars[] AssignedVars[~__unbuffered_p0_EAX~0, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {6198#(<= ~x~0 0)} is VALID [2020-07-28 21:48:29,131 INFO L280 TraceCheckUtils]: 4: Hoare triple {6198#(<= ~x~0 0)} [169] L772-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork1_thidvar0_2) (= 0 |v_P1Thread1of1ForFork1_#in~arg.base_3|) (= 0 |v_P1Thread1of1ForFork1_#in~arg.offset_3|)) InVars {} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_3, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_3|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_3, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_3|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_3|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_3|, P1Thread1of1ForFork1_thidvar0=v_P1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_#res.offset, P1Thread1of1ForFork1_~arg.base, P1Thread1of1ForFork1_#in~arg.base, P1Thread1of1ForFork1_#in~arg.offset, P1Thread1of1ForFork1_#res.base, P1Thread1of1ForFork1_thidvar0] {6198#(<= ~x~0 0)} is VALID [2020-07-28 21:48:29,132 INFO L280 TraceCheckUtils]: 5: Hoare triple {6198#(<= ~x~0 0)} [193] P1ENTRY-->L732: Formula: (and (= v_~x~0_10 v_~__unbuffered_p1_EAX~0_13) (= |v_P1Thread1of1ForFork1_#in~arg.offset_4| v_P1Thread1of1ForFork1_~arg.offset_4) (= v_P1Thread1of1ForFork1_~arg.base_4 |v_P1Thread1of1ForFork1_#in~arg.base_4|)) InVars {P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|, ~x~0=v_~x~0_10} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_4, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_13, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_4, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|, ~x~0=v_~x~0_10} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, ~__unbuffered_p1_EAX~0, P1Thread1of1ForFork1_~arg.base] {6199#(<= ~__unbuffered_p1_EAX~0 0)} is VALID [2020-07-28 21:48:29,133 INFO L280 TraceCheckUtils]: 6: Hoare triple {6199#(<= ~__unbuffered_p1_EAX~0 0)} [198] L772-1-->L774: Formula: (and (not (= 0 |v_ULTIMATE.start_main_~#t2701~0.base_9|)) (= 0 (select |v_#valid_28| |v_ULTIMATE.start_main_~#t2701~0.base_9|)) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t2701~0.base_9|) (= (store |v_#length_14| |v_ULTIMATE.start_main_~#t2701~0.base_9| 4) |v_#length_13|) (= 0 |v_ULTIMATE.start_main_~#t2701~0.offset_9|) (= |v_#memory_int_7| (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t2701~0.base_9| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t2701~0.base_9|) |v_ULTIMATE.start_main_~#t2701~0.offset_9| 2))) (= |v_#valid_27| (store |v_#valid_28| |v_ULTIMATE.start_main_~#t2701~0.base_9| 1))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_28|, #memory_int=|v_#memory_int_8|, #length=|v_#length_14|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_9|, ULTIMATE.start_main_~#t2701~0.offset=|v_ULTIMATE.start_main_~#t2701~0.offset_9|, #valid=|v_#valid_27|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_7|, ULTIMATE.start_main_~#t2701~0.base=|v_ULTIMATE.start_main_~#t2701~0.base_9|, #length=|v_#length_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2701~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, ULTIMATE.start_main_~#t2701~0.base, #length] {6199#(<= ~__unbuffered_p1_EAX~0 0)} is VALID [2020-07-28 21:48:29,134 INFO L280 TraceCheckUtils]: 7: Hoare triple {6199#(<= ~__unbuffered_p1_EAX~0 0)} [171] L774-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#in~arg.base_3|) (= 0 |v_P2Thread1of1ForFork2_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_3|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_3, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_3, P2Thread1of1ForFork2_thidvar0=v_P2Thread1of1ForFork2_thidvar0_2, P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_3|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_3|, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_3|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#in~arg.offset, P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, P2Thread1of1ForFork2_thidvar0, P2Thread1of1ForFork2_#res.base, P2Thread1of1ForFork2_#in~arg.base, P2Thread1of1ForFork2_#res.offset] {6199#(<= ~__unbuffered_p1_EAX~0 0)} is VALID [2020-07-28 21:48:29,141 INFO L280 TraceCheckUtils]: 8: Hoare triple {6199#(<= ~__unbuffered_p1_EAX~0 0)} [184] P2ENTRY-->L747: Formula: (and (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4) (= v_~y~0_11 v_~__unbuffered_p2_EAX~0_15)) InVars {P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_11} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_4, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_4, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_15, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_11} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {6199#(<= ~__unbuffered_p1_EAX~0 0)} is VALID [2020-07-28 21:48:29,142 INFO L280 TraceCheckUtils]: 9: Hoare triple {6199#(<= ~__unbuffered_p1_EAX~0 0)} [222] L774-1-->L3: Formula: (and (= v_ULTIMATE.start_assume_abort_if_not_~cond_22 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (= (mod v_~main$tmp_guard0~0_34 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (let ((.cse0 (= v_~__unbuffered_cnt~0_151 3))) (or (and (= 1 v_~main$tmp_guard0~0_34) .cse0) (and (not .cse0) (= 0 v_~main$tmp_guard0~0_34))))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_151} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_22, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_151, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_34} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {6199#(<= ~__unbuffered_p1_EAX~0 0)} is VALID [2020-07-28 21:48:29,143 INFO L280 TraceCheckUtils]: 10: Hoare triple {6199#(<= ~__unbuffered_p1_EAX~0 0)} [209] L3-->L7: Formula: (and (let ((.cse0 (= 1 v_~__unbuffered_p0_EAX~0_22)) (.cse2 (= 1 v_~__unbuffered_p1_EAX~0_21)) (.cse1 (= 1 v_~__unbuffered_p2_EAX~0_23))) (or (and .cse0 .cse1 (= 0 v_~main$tmp_guard1~0_14) .cse2) (and (= 1 v_~main$tmp_guard1~0_14) (or (not .cse0) (not .cse2) (not .cse1))))) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_12)) (= (mod v_~main$tmp_guard1~0_14 256) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_7|)) InVars {~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_12, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_21, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_11, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_12, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_21, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_14, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_7|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {6200#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} is VALID [2020-07-28 21:48:29,144 INFO L280 TraceCheckUtils]: 11: Hoare triple {6200#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} [206] L7-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_9) (= v_ULTIMATE.start___VERIFIER_assert_~expression_9 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_9, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] {6197#false} is VALID [2020-07-28 21:48:29,145 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 21:48:29,145 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455517166] [2020-07-28 21:48:29,146 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:48:29,146 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 21:48:29,146 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119881334] [2020-07-28 21:48:29,146 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-07-28 21:48:29,147 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:48:29,147 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 21:48:29,163 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:48:29,163 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 21:48:29,163 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:48:29,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 21:48:29,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 21:48:29,164 INFO L87 Difference]: Start difference. First operand 224 states and 610 transitions. Second operand 5 states. [2020-07-28 21:48:29,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:29,329 INFO L93 Difference]: Finished difference Result 293 states and 773 transitions. [2020-07-28 21:48:29,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 21:48:29,330 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-07-28 21:48:29,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:48:29,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:48:29,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 52 transitions. [2020-07-28 21:48:29,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:48:29,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 52 transitions. [2020-07-28 21:48:29,332 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 52 transitions. [2020-07-28 21:48:29,404 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 52 edges. 52 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:48:29,407 INFO L225 Difference]: With dead ends: 293 [2020-07-28 21:48:29,407 INFO L226 Difference]: Without dead ends: 146 [2020-07-28 21:48:29,408 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 21:48:29,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-07-28 21:48:29,411 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,412 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,412 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,412 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,413 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,413 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,413 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,414 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,414 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,414 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,414 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,415 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,415 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,415 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,416 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,416 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,416 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,417 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,417 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,417 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,417 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,418 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,418 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,418 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,419 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,419 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,419 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,420 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,420 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,420 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,420 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,421 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,421 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,421 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,438 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,441 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,441 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,441 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,441 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,441 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,442 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,442 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,442 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,442 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,442 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,442 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,442 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,443 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,443 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,443 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,443 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,444 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,444 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,444 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,444 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,444 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,444 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,444 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,445 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,445 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,445 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,445 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,445 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,445 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,445 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,446 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,446 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,446 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,446 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,446 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,446 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,447 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,447 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,447 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,447 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,447 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,447 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,447 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,448 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,448 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,448 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,448 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,448 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,448 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,449 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,449 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,449 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,449 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,450 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,450 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,450 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,450 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,451 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,451 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,451 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,451 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,452 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,452 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,452 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,452 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,453 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,453 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,453 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,453 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,454 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,454 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,454 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,454 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,455 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,455 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,455 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,455 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,456 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,456 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,456 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,456 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,457 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,457 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,457 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,457 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,458 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,458 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,458 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,459 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,459 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,459 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,460 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,460 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,460 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,461 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,461 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,461 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,462 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,462 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,462 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,462 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,462 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,463 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,463 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,463 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,464 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,464 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,464 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,464 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,465 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,465 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2020-07-28 21:48:29,466 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:48:29,466 INFO L82 GeneralOperation]: Start isEquivalent. First operand 146 states. Second operand 146 states. [2020-07-28 21:48:29,466 INFO L74 IsIncluded]: Start isIncluded. First operand 146 states. Second operand 146 states. [2020-07-28 21:48:29,466 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 146 states. [2020-07-28 21:48:29,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:29,470 INFO L93 Difference]: Finished difference Result 146 states and 358 transitions. [2020-07-28 21:48:29,471 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 358 transitions. [2020-07-28 21:48:29,471 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:29,471 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:29,471 INFO L74 IsIncluded]: Start isIncluded. First operand 146 states. Second operand 146 states. [2020-07-28 21:48:29,472 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 146 states. [2020-07-28 21:48:29,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:29,476 INFO L93 Difference]: Finished difference Result 146 states and 358 transitions. [2020-07-28 21:48:29,476 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 358 transitions. [2020-07-28 21:48:29,477 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:29,477 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:29,477 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:48:29,477 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:48:29,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-07-28 21:48:29,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 358 transitions. [2020-07-28 21:48:29,481 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 358 transitions. Word has length 12 [2020-07-28 21:48:29,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:48:29,481 INFO L479 AbstractCegarLoop]: Abstraction has 146 states and 358 transitions. [2020-07-28 21:48:29,482 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 21:48:29,482 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 358 transitions. [2020-07-28 21:48:29,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-07-28 21:48:29,482 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:48:29,483 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:48:29,483 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 21:48:29,483 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:48:29,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:48:29,484 INFO L82 PathProgramCache]: Analyzing trace with hash 257080554, now seen corresponding path program 1 times [2020-07-28 21:48:29,484 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:48:29,484 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595014718] [2020-07-28 21:48:29,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:48:29,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:48:29,552 INFO L280 TraceCheckUtils]: 0: Hoare triple {7086#true} [225] ULTIMATE.startENTRY-->L770: Formula: (let ((.cse0 (store |v_#valid_56| 0 0))) (and (= (select .cse0 |v_ULTIMATE.start_main_~#t2699~0.base_21|) 0) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2699~0.base_21|) (= 0 v_~y~0_21) (= 0 v_~z~0_20) (= 0 |v_#NULL.base_6|) (= 0 v_~main$tmp_guard0~0_39) (= 0 |v_ULTIMATE.start_main_~#t2699~0.offset_15|) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2699~0.base_21| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2699~0.base_21|) |v_ULTIMATE.start_main_~#t2699~0.offset_15| 0)) |v_#memory_int_13|) (= 0 v_~__unbuffered_p1_EAX~0_29) (= 0 |v_#NULL.offset_6|) (= 0 v_~__unbuffered_p0_EAX~0_27) (= |v_#valid_54| (store .cse0 |v_ULTIMATE.start_main_~#t2699~0.base_21| 1)) (= 0 v_~main$tmp_guard1~0_21) (= |v_#length_19| (store |v_#length_20| |v_ULTIMATE.start_main_~#t2699~0.base_21| 4)) (= v_~__unbuffered_cnt~0_163 0) (< 0 |v_#StackHeapBarrier_15|) (= 0 v_~__unbuffered_p2_EAX~0_28) (= 0 v_~x~0_24))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_56|, #memory_int=|v_#memory_int_14|, #length=|v_#length_20|} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_9|, ULTIMATE.start_main_~#t2700~0.base=|v_ULTIMATE.start_main_~#t2700~0.base_22|, ULTIMATE.start_main_~#t2699~0.offset=|v_ULTIMATE.start_main_~#t2699~0.offset_15|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, #NULL.offset=|v_#NULL.offset_6|, ULTIMATE.start_main_~#t2700~0.offset=|v_ULTIMATE.start_main_~#t2700~0.offset_16|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_21, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_27, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_29, #length=|v_#length_19|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_28, ~y~0=v_~y~0_21, ULTIMATE.start_main_~#t2701~0.offset=|v_ULTIMATE.start_main_~#t2701~0.offset_14|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_39, #NULL.base=|v_#NULL.base_6|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_17|, ULTIMATE.start_main_~#t2699~0.base=|v_ULTIMATE.start_main_~#t2699~0.base_21|, #valid=|v_#valid_54|, #memory_int=|v_#memory_int_13|, ULTIMATE.start_main_~#t2701~0.base=|v_ULTIMATE.start_main_~#t2701~0.base_19|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_163, ~z~0=v_~z~0_20, ~x~0=v_~x~0_24} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2701~0.offset, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t2700~0.base, ULTIMATE.start_main_~#t2699~0.offset, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ULTIMATE.start_main_~#t2700~0.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ~__unbuffered_p0_EAX~0, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~#t2699~0.base, #valid, #memory_int, ULTIMATE.start_main_~#t2701~0.base, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ~x~0] {7088#(= 0 ~z~0)} is VALID [2020-07-28 21:48:29,553 INFO L280 TraceCheckUtils]: 1: Hoare triple {7088#(= 0 ~z~0)} [167] L770-->P0ENTRY: Formula: (and (= 0 v_P0Thread1of1ForFork0_thidvar0_2) (= 0 |v_P0Thread1of1ForFork0_#in~arg.base_3|) (= 0 |v_P0Thread1of1ForFork0_#in~arg.offset_3|)) InVars {} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_3|, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_3|, P0Thread1of1ForFork0_thidvar0=v_P0Thread1of1ForFork0_thidvar0_2, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_3|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_3|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_3, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_3} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#in~arg.offset, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_thidvar0, P0Thread1of1ForFork0_#in~arg.base, P0Thread1of1ForFork0_#res.base, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {7088#(= 0 ~z~0)} is VALID [2020-07-28 21:48:29,554 INFO L280 TraceCheckUtils]: 2: Hoare triple {7088#(= 0 ~z~0)} [212] L770-1-->L772: Formula: (and (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t2700~0.base_12| 4) |v_#length_15|) (not (= 0 |v_ULTIMATE.start_main_~#t2700~0.base_12|)) (= 0 (select |v_#valid_37| |v_ULTIMATE.start_main_~#t2700~0.base_12|)) (= |v_#valid_36| (store |v_#valid_37| |v_ULTIMATE.start_main_~#t2700~0.base_12| 1)) (= 0 |v_ULTIMATE.start_main_~#t2700~0.offset_10|) (= (store |v_#memory_int_10| |v_ULTIMATE.start_main_~#t2700~0.base_12| (store (select |v_#memory_int_10| |v_ULTIMATE.start_main_~#t2700~0.base_12|) |v_ULTIMATE.start_main_~#t2700~0.offset_10| 1)) |v_#memory_int_9|) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2700~0.base_12|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_10|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t2700~0.base=|v_ULTIMATE.start_main_~#t2700~0.base_12|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_9|, ULTIMATE.start_main_~#t2700~0.offset=|v_ULTIMATE.start_main_~#t2700~0.offset_10|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2700~0.base, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, ULTIMATE.start_main_~#t2700~0.offset, #length] {7088#(= 0 ~z~0)} is VALID [2020-07-28 21:48:29,555 INFO L280 TraceCheckUtils]: 3: Hoare triple {7088#(= 0 ~z~0)} [185] P0ENTRY-->L717: Formula: (and (= v_~z~0_7 v_~__unbuffered_p0_EAX~0_11) (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= v_P0Thread1of1ForFork0_~arg.base_4 |v_P0Thread1of1ForFork0_#in~arg.base_4|)) InVars {P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~z~0=v_~z~0_7} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_11, P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~z~0=v_~z~0_7, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_4, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_4} AuxVars[] AssignedVars[~__unbuffered_p0_EAX~0, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {7089#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:48:29,556 INFO L280 TraceCheckUtils]: 4: Hoare triple {7089#(= 0 ~__unbuffered_p0_EAX~0)} [150] L717-->L720: Formula: (= v_~x~0_1 1) InVars {} OutVars{~x~0=v_~x~0_1} AuxVars[] AssignedVars[~x~0] {7089#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:48:29,556 INFO L280 TraceCheckUtils]: 5: Hoare triple {7089#(= 0 ~__unbuffered_p0_EAX~0)} [169] L772-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork1_thidvar0_2) (= 0 |v_P1Thread1of1ForFork1_#in~arg.base_3|) (= 0 |v_P1Thread1of1ForFork1_#in~arg.offset_3|)) InVars {} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_3, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_3|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_3, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_3|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_3|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_3|, P1Thread1of1ForFork1_thidvar0=v_P1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_#res.offset, P1Thread1of1ForFork1_~arg.base, P1Thread1of1ForFork1_#in~arg.base, P1Thread1of1ForFork1_#in~arg.offset, P1Thread1of1ForFork1_#res.base, P1Thread1of1ForFork1_thidvar0] {7089#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:48:29,557 INFO L280 TraceCheckUtils]: 6: Hoare triple {7089#(= 0 ~__unbuffered_p0_EAX~0)} [193] P1ENTRY-->L732: Formula: (and (= v_~x~0_10 v_~__unbuffered_p1_EAX~0_13) (= |v_P1Thread1of1ForFork1_#in~arg.offset_4| v_P1Thread1of1ForFork1_~arg.offset_4) (= v_P1Thread1of1ForFork1_~arg.base_4 |v_P1Thread1of1ForFork1_#in~arg.base_4|)) InVars {P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|, ~x~0=v_~x~0_10} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_4, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_13, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_4, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|, ~x~0=v_~x~0_10} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, ~__unbuffered_p1_EAX~0, P1Thread1of1ForFork1_~arg.base] {7089#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:48:29,558 INFO L280 TraceCheckUtils]: 7: Hoare triple {7089#(= 0 ~__unbuffered_p0_EAX~0)} [198] L772-1-->L774: Formula: (and (not (= 0 |v_ULTIMATE.start_main_~#t2701~0.base_9|)) (= 0 (select |v_#valid_28| |v_ULTIMATE.start_main_~#t2701~0.base_9|)) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t2701~0.base_9|) (= (store |v_#length_14| |v_ULTIMATE.start_main_~#t2701~0.base_9| 4) |v_#length_13|) (= 0 |v_ULTIMATE.start_main_~#t2701~0.offset_9|) (= |v_#memory_int_7| (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t2701~0.base_9| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t2701~0.base_9|) |v_ULTIMATE.start_main_~#t2701~0.offset_9| 2))) (= |v_#valid_27| (store |v_#valid_28| |v_ULTIMATE.start_main_~#t2701~0.base_9| 1))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_28|, #memory_int=|v_#memory_int_8|, #length=|v_#length_14|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_9|, ULTIMATE.start_main_~#t2701~0.offset=|v_ULTIMATE.start_main_~#t2701~0.offset_9|, #valid=|v_#valid_27|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_7|, ULTIMATE.start_main_~#t2701~0.base=|v_ULTIMATE.start_main_~#t2701~0.base_9|, #length=|v_#length_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2701~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, ULTIMATE.start_main_~#t2701~0.base, #length] {7089#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:48:29,559 INFO L280 TraceCheckUtils]: 8: Hoare triple {7089#(= 0 ~__unbuffered_p0_EAX~0)} [171] L774-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#in~arg.base_3|) (= 0 |v_P2Thread1of1ForFork2_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_3|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_3, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_3, P2Thread1of1ForFork2_thidvar0=v_P2Thread1of1ForFork2_thidvar0_2, P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_3|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_3|, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_3|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#in~arg.offset, P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, P2Thread1of1ForFork2_thidvar0, P2Thread1of1ForFork2_#res.base, P2Thread1of1ForFork2_#in~arg.base, P2Thread1of1ForFork2_#res.offset] {7089#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:48:29,559 INFO L280 TraceCheckUtils]: 9: Hoare triple {7089#(= 0 ~__unbuffered_p0_EAX~0)} [184] P2ENTRY-->L747: Formula: (and (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4) (= v_~y~0_11 v_~__unbuffered_p2_EAX~0_15)) InVars {P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_11} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_4, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_4, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_15, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_11} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {7089#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:48:29,560 INFO L280 TraceCheckUtils]: 10: Hoare triple {7089#(= 0 ~__unbuffered_p0_EAX~0)} [222] L774-1-->L3: Formula: (and (= v_ULTIMATE.start_assume_abort_if_not_~cond_22 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (= (mod v_~main$tmp_guard0~0_34 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (let ((.cse0 (= v_~__unbuffered_cnt~0_151 3))) (or (and (= 1 v_~main$tmp_guard0~0_34) .cse0) (and (not .cse0) (= 0 v_~main$tmp_guard0~0_34))))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_151} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_22, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_151, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_34} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {7089#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:48:29,561 INFO L280 TraceCheckUtils]: 11: Hoare triple {7089#(= 0 ~__unbuffered_p0_EAX~0)} [209] L3-->L7: Formula: (and (let ((.cse0 (= 1 v_~__unbuffered_p0_EAX~0_22)) (.cse2 (= 1 v_~__unbuffered_p1_EAX~0_21)) (.cse1 (= 1 v_~__unbuffered_p2_EAX~0_23))) (or (and .cse0 .cse1 (= 0 v_~main$tmp_guard1~0_14) .cse2) (and (= 1 v_~main$tmp_guard1~0_14) (or (not .cse0) (not .cse2) (not .cse1))))) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_12)) (= (mod v_~main$tmp_guard1~0_14 256) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_7|)) InVars {~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_12, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_21, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_11, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_12, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_21, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_14, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_7|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {7090#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} is VALID [2020-07-28 21:48:29,562 INFO L280 TraceCheckUtils]: 12: Hoare triple {7090#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} [206] L7-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_9) (= v_ULTIMATE.start___VERIFIER_assert_~expression_9 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_9, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] {7087#false} is VALID [2020-07-28 21:48:29,563 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 21:48:29,563 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595014718] [2020-07-28 21:48:29,564 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:48:29,564 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 21:48:29,564 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306162424] [2020-07-28 21:48:29,564 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-07-28 21:48:29,565 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:48:29,565 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 21:48:29,581 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 13 edges. 13 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:48:29,581 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 21:48:29,581 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:48:29,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 21:48:29,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 21:48:29,582 INFO L87 Difference]: Start difference. First operand 146 states and 358 transitions. Second operand 5 states. [2020-07-28 21:48:29,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:29,692 INFO L93 Difference]: Finished difference Result 188 states and 451 transitions. [2020-07-28 21:48:29,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 21:48:29,693 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-07-28 21:48:29,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:48:29,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:48:29,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 44 transitions. [2020-07-28 21:48:29,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:48:29,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 44 transitions. [2020-07-28 21:48:29,695 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 44 transitions. [2020-07-28 21:48:29,742 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 44 edges. 44 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:48:29,744 INFO L225 Difference]: With dead ends: 188 [2020-07-28 21:48:29,744 INFO L226 Difference]: Without dead ends: 74 [2020-07-28 21:48:29,744 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 21:48:29,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-07-28 21:48:29,746 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,746 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,747 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,747 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,747 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,747 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,747 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,747 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,748 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,748 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,748 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,748 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,748 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,748 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,749 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,749 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,749 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,750 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,750 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,750 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,750 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,751 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,751 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,751 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,751 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,752 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,752 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,752 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,752 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,753 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,753 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,753 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,753 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,754 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,754 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,754 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,754 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,755 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,755 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,755 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,755 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,756 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,756 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,756 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,756 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,757 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,757 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,757 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,757 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,758 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,758 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,758 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,758 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,759 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,759 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,759 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,759 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,760 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,760 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,760 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,760 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,761 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,761 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,761 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,761 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,762 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,762 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,762 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,762 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,763 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,763 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,763 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,763 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,764 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2020-07-28 21:48:29,764 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:48:29,764 INFO L82 GeneralOperation]: Start isEquivalent. First operand 74 states. Second operand 74 states. [2020-07-28 21:48:29,764 INFO L74 IsIncluded]: Start isIncluded. First operand 74 states. Second operand 74 states. [2020-07-28 21:48:29,765 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 74 states. [2020-07-28 21:48:29,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:29,767 INFO L93 Difference]: Finished difference Result 74 states and 164 transitions. [2020-07-28 21:48:29,767 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 164 transitions. [2020-07-28 21:48:29,767 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:29,767 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:29,768 INFO L74 IsIncluded]: Start isIncluded. First operand 74 states. Second operand 74 states. [2020-07-28 21:48:29,768 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 74 states. [2020-07-28 21:48:29,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:29,770 INFO L93 Difference]: Finished difference Result 74 states and 164 transitions. [2020-07-28 21:48:29,770 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 164 transitions. [2020-07-28 21:48:29,770 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:29,771 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:29,771 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:48:29,771 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:48:29,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-07-28 21:48:29,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 164 transitions. [2020-07-28 21:48:29,773 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 164 transitions. Word has length 13 [2020-07-28 21:48:29,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:48:29,773 INFO L479 AbstractCegarLoop]: Abstraction has 74 states and 164 transitions. [2020-07-28 21:48:29,774 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 21:48:29,774 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 164 transitions. [2020-07-28 21:48:29,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-07-28 21:48:29,774 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:48:29,775 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:48:29,775 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 21:48:29,775 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:48:29,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:48:29,775 INFO L82 PathProgramCache]: Analyzing trace with hash -2118870046, now seen corresponding path program 1 times [2020-07-28 21:48:29,776 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:48:29,776 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162762203] [2020-07-28 21:48:29,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:48:29,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:48:29,830 INFO L280 TraceCheckUtils]: 0: Hoare triple {7583#true} [225] ULTIMATE.startENTRY-->L770: Formula: (let ((.cse0 (store |v_#valid_56| 0 0))) (and (= (select .cse0 |v_ULTIMATE.start_main_~#t2699~0.base_21|) 0) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2699~0.base_21|) (= 0 v_~y~0_21) (= 0 v_~z~0_20) (= 0 |v_#NULL.base_6|) (= 0 v_~main$tmp_guard0~0_39) (= 0 |v_ULTIMATE.start_main_~#t2699~0.offset_15|) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2699~0.base_21| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2699~0.base_21|) |v_ULTIMATE.start_main_~#t2699~0.offset_15| 0)) |v_#memory_int_13|) (= 0 v_~__unbuffered_p1_EAX~0_29) (= 0 |v_#NULL.offset_6|) (= 0 v_~__unbuffered_p0_EAX~0_27) (= |v_#valid_54| (store .cse0 |v_ULTIMATE.start_main_~#t2699~0.base_21| 1)) (= 0 v_~main$tmp_guard1~0_21) (= |v_#length_19| (store |v_#length_20| |v_ULTIMATE.start_main_~#t2699~0.base_21| 4)) (= v_~__unbuffered_cnt~0_163 0) (< 0 |v_#StackHeapBarrier_15|) (= 0 v_~__unbuffered_p2_EAX~0_28) (= 0 v_~x~0_24))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_56|, #memory_int=|v_#memory_int_14|, #length=|v_#length_20|} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_9|, ULTIMATE.start_main_~#t2700~0.base=|v_ULTIMATE.start_main_~#t2700~0.base_22|, ULTIMATE.start_main_~#t2699~0.offset=|v_ULTIMATE.start_main_~#t2699~0.offset_15|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, #NULL.offset=|v_#NULL.offset_6|, ULTIMATE.start_main_~#t2700~0.offset=|v_ULTIMATE.start_main_~#t2700~0.offset_16|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_21, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_27, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_29, #length=|v_#length_19|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_28, ~y~0=v_~y~0_21, ULTIMATE.start_main_~#t2701~0.offset=|v_ULTIMATE.start_main_~#t2701~0.offset_14|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_39, #NULL.base=|v_#NULL.base_6|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_17|, ULTIMATE.start_main_~#t2699~0.base=|v_ULTIMATE.start_main_~#t2699~0.base_21|, #valid=|v_#valid_54|, #memory_int=|v_#memory_int_13|, ULTIMATE.start_main_~#t2701~0.base=|v_ULTIMATE.start_main_~#t2701~0.base_19|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_163, ~z~0=v_~z~0_20, ~x~0=v_~x~0_24} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2701~0.offset, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t2700~0.base, ULTIMATE.start_main_~#t2699~0.offset, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ULTIMATE.start_main_~#t2700~0.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ~__unbuffered_p0_EAX~0, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~#t2699~0.base, #valid, #memory_int, ULTIMATE.start_main_~#t2701~0.base, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ~x~0] {7585#(= 0 ~y~0)} is VALID [2020-07-28 21:48:29,831 INFO L280 TraceCheckUtils]: 1: Hoare triple {7585#(= 0 ~y~0)} [167] L770-->P0ENTRY: Formula: (and (= 0 v_P0Thread1of1ForFork0_thidvar0_2) (= 0 |v_P0Thread1of1ForFork0_#in~arg.base_3|) (= 0 |v_P0Thread1of1ForFork0_#in~arg.offset_3|)) InVars {} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_3|, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_3|, P0Thread1of1ForFork0_thidvar0=v_P0Thread1of1ForFork0_thidvar0_2, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_3|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_3|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_3, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_3} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#in~arg.offset, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_thidvar0, P0Thread1of1ForFork0_#in~arg.base, P0Thread1of1ForFork0_#res.base, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {7585#(= 0 ~y~0)} is VALID [2020-07-28 21:48:29,831 INFO L280 TraceCheckUtils]: 2: Hoare triple {7585#(= 0 ~y~0)} [212] L770-1-->L772: Formula: (and (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t2700~0.base_12| 4) |v_#length_15|) (not (= 0 |v_ULTIMATE.start_main_~#t2700~0.base_12|)) (= 0 (select |v_#valid_37| |v_ULTIMATE.start_main_~#t2700~0.base_12|)) (= |v_#valid_36| (store |v_#valid_37| |v_ULTIMATE.start_main_~#t2700~0.base_12| 1)) (= 0 |v_ULTIMATE.start_main_~#t2700~0.offset_10|) (= (store |v_#memory_int_10| |v_ULTIMATE.start_main_~#t2700~0.base_12| (store (select |v_#memory_int_10| |v_ULTIMATE.start_main_~#t2700~0.base_12|) |v_ULTIMATE.start_main_~#t2700~0.offset_10| 1)) |v_#memory_int_9|) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2700~0.base_12|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_10|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t2700~0.base=|v_ULTIMATE.start_main_~#t2700~0.base_12|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_9|, ULTIMATE.start_main_~#t2700~0.offset=|v_ULTIMATE.start_main_~#t2700~0.offset_10|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2700~0.base, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, ULTIMATE.start_main_~#t2700~0.offset, #length] {7585#(= 0 ~y~0)} is VALID [2020-07-28 21:48:29,832 INFO L280 TraceCheckUtils]: 3: Hoare triple {7585#(= 0 ~y~0)} [169] L772-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork1_thidvar0_2) (= 0 |v_P1Thread1of1ForFork1_#in~arg.base_3|) (= 0 |v_P1Thread1of1ForFork1_#in~arg.offset_3|)) InVars {} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_3, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_3|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_3, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_3|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_3|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_3|, P1Thread1of1ForFork1_thidvar0=v_P1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_#res.offset, P1Thread1of1ForFork1_~arg.base, P1Thread1of1ForFork1_#in~arg.base, P1Thread1of1ForFork1_#in~arg.offset, P1Thread1of1ForFork1_#res.base, P1Thread1of1ForFork1_thidvar0] {7585#(= 0 ~y~0)} is VALID [2020-07-28 21:48:29,833 INFO L280 TraceCheckUtils]: 4: Hoare triple {7585#(= 0 ~y~0)} [198] L772-1-->L774: Formula: (and (not (= 0 |v_ULTIMATE.start_main_~#t2701~0.base_9|)) (= 0 (select |v_#valid_28| |v_ULTIMATE.start_main_~#t2701~0.base_9|)) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t2701~0.base_9|) (= (store |v_#length_14| |v_ULTIMATE.start_main_~#t2701~0.base_9| 4) |v_#length_13|) (= 0 |v_ULTIMATE.start_main_~#t2701~0.offset_9|) (= |v_#memory_int_7| (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t2701~0.base_9| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t2701~0.base_9|) |v_ULTIMATE.start_main_~#t2701~0.offset_9| 2))) (= |v_#valid_27| (store |v_#valid_28| |v_ULTIMATE.start_main_~#t2701~0.base_9| 1))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_28|, #memory_int=|v_#memory_int_8|, #length=|v_#length_14|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_9|, ULTIMATE.start_main_~#t2701~0.offset=|v_ULTIMATE.start_main_~#t2701~0.offset_9|, #valid=|v_#valid_27|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_7|, ULTIMATE.start_main_~#t2701~0.base=|v_ULTIMATE.start_main_~#t2701~0.base_9|, #length=|v_#length_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2701~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, ULTIMATE.start_main_~#t2701~0.base, #length] {7585#(= 0 ~y~0)} is VALID [2020-07-28 21:48:29,834 INFO L280 TraceCheckUtils]: 5: Hoare triple {7585#(= 0 ~y~0)} [171] L774-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#in~arg.base_3|) (= 0 |v_P2Thread1of1ForFork2_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_3|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_3, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_3, P2Thread1of1ForFork2_thidvar0=v_P2Thread1of1ForFork2_thidvar0_2, P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_3|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_3|, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_3|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#in~arg.offset, P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, P2Thread1of1ForFork2_thidvar0, P2Thread1of1ForFork2_#res.base, P2Thread1of1ForFork2_#in~arg.base, P2Thread1of1ForFork2_#res.offset] {7585#(= 0 ~y~0)} is VALID [2020-07-28 21:48:29,834 INFO L280 TraceCheckUtils]: 6: Hoare triple {7585#(= 0 ~y~0)} [184] P2ENTRY-->L747: Formula: (and (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4) (= v_~y~0_11 v_~__unbuffered_p2_EAX~0_15)) InVars {P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_11} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_4, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_4, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_15, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_11} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {7586#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:48:29,835 INFO L280 TraceCheckUtils]: 7: Hoare triple {7586#(= 0 ~__unbuffered_p2_EAX~0)} [162] L747-->L750: Formula: (= v_~z~0_2 1) InVars {} OutVars{~z~0=v_~z~0_2} AuxVars[] AssignedVars[~z~0] {7586#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:48:29,836 INFO L280 TraceCheckUtils]: 8: Hoare triple {7586#(= 0 ~__unbuffered_p2_EAX~0)} [185] P0ENTRY-->L717: Formula: (and (= v_~z~0_7 v_~__unbuffered_p0_EAX~0_11) (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= v_P0Thread1of1ForFork0_~arg.base_4 |v_P0Thread1of1ForFork0_#in~arg.base_4|)) InVars {P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~z~0=v_~z~0_7} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_11, P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~z~0=v_~z~0_7, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_4, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_4} AuxVars[] AssignedVars[~__unbuffered_p0_EAX~0, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {7586#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:48:29,836 INFO L280 TraceCheckUtils]: 9: Hoare triple {7586#(= 0 ~__unbuffered_p2_EAX~0)} [150] L717-->L720: Formula: (= v_~x~0_1 1) InVars {} OutVars{~x~0=v_~x~0_1} AuxVars[] AssignedVars[~x~0] {7586#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:48:29,837 INFO L280 TraceCheckUtils]: 10: Hoare triple {7586#(= 0 ~__unbuffered_p2_EAX~0)} [193] P1ENTRY-->L732: Formula: (and (= v_~x~0_10 v_~__unbuffered_p1_EAX~0_13) (= |v_P1Thread1of1ForFork1_#in~arg.offset_4| v_P1Thread1of1ForFork1_~arg.offset_4) (= v_P1Thread1of1ForFork1_~arg.base_4 |v_P1Thread1of1ForFork1_#in~arg.base_4|)) InVars {P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|, ~x~0=v_~x~0_10} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_4, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_13, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_4, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|, ~x~0=v_~x~0_10} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, ~__unbuffered_p1_EAX~0, P1Thread1of1ForFork1_~arg.base] {7586#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:48:29,838 INFO L280 TraceCheckUtils]: 11: Hoare triple {7586#(= 0 ~__unbuffered_p2_EAX~0)} [222] L774-1-->L3: Formula: (and (= v_ULTIMATE.start_assume_abort_if_not_~cond_22 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (= (mod v_~main$tmp_guard0~0_34 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (let ((.cse0 (= v_~__unbuffered_cnt~0_151 3))) (or (and (= 1 v_~main$tmp_guard0~0_34) .cse0) (and (not .cse0) (= 0 v_~main$tmp_guard0~0_34))))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_151} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_22, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_151, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_34} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {7586#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:48:29,839 INFO L280 TraceCheckUtils]: 12: Hoare triple {7586#(= 0 ~__unbuffered_p2_EAX~0)} [209] L3-->L7: Formula: (and (let ((.cse0 (= 1 v_~__unbuffered_p0_EAX~0_22)) (.cse2 (= 1 v_~__unbuffered_p1_EAX~0_21)) (.cse1 (= 1 v_~__unbuffered_p2_EAX~0_23))) (or (and .cse0 .cse1 (= 0 v_~main$tmp_guard1~0_14) .cse2) (and (= 1 v_~main$tmp_guard1~0_14) (or (not .cse0) (not .cse2) (not .cse1))))) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_12)) (= (mod v_~main$tmp_guard1~0_14 256) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_7|)) InVars {~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_12, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_21, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_11, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_12, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_21, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_14, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_7|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {7587#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} is VALID [2020-07-28 21:48:29,840 INFO L280 TraceCheckUtils]: 13: Hoare triple {7587#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} [206] L7-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_9) (= v_ULTIMATE.start___VERIFIER_assert_~expression_9 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_9, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] {7584#false} is VALID [2020-07-28 21:48:29,840 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 21:48:29,840 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162762203] [2020-07-28 21:48:29,840 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:48:29,841 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 21:48:29,841 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366466231] [2020-07-28 21:48:29,841 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-07-28 21:48:29,842 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:48:29,842 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 21:48:29,858 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 14 edges. 14 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:48:29,858 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 21:48:29,858 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:48:29,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 21:48:29,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 21:48:29,859 INFO L87 Difference]: Start difference. First operand 74 states and 164 transitions. Second operand 5 states. [2020-07-28 21:48:29,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:29,945 INFO L93 Difference]: Finished difference Result 62 states and 132 transitions. [2020-07-28 21:48:29,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 21:48:29,946 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-07-28 21:48:29,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:48:29,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:48:29,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 29 transitions. [2020-07-28 21:48:29,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:48:29,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 29 transitions. [2020-07-28 21:48:29,947 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 29 transitions. [2020-07-28 21:48:29,988 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 29 edges. 29 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:48:29,989 INFO L225 Difference]: With dead ends: 62 [2020-07-28 21:48:29,989 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 21:48:29,989 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 21:48:29,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 21:48:29,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 21:48:29,990 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:48:29,990 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 21:48:29,990 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 21:48:29,990 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 21:48:29,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:29,990 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 21:48:29,991 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 21:48:29,991 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:29,991 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:29,991 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 21:48:29,991 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 21:48:29,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:29,991 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 21:48:29,992 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 21:48:29,992 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:29,992 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:29,992 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:48:29,992 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:48:29,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 21:48:29,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 21:48:29,993 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2020-07-28 21:48:29,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:48:29,994 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 21:48:29,994 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 21:48:29,994 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 21:48:29,994 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:29,994 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-28 21:48:29,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 09:48:29 BasicIcfg [2020-07-28 21:48:29,998 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 21:48:29,999 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 21:48:29,999 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 21:48:29,999 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 21:48:30,000 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 09:48:24" (3/4) ... [2020-07-28 21:48:30,003 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 21:48:30,009 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2020-07-28 21:48:30,010 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2020-07-28 21:48:30,010 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2020-07-28 21:48:30,015 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-07-28 21:48:30,015 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-07-28 21:48:30,015 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 21:48:30,060 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 21:48:30,060 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 21:48:30,064 INFO L168 Benchmark]: Toolchain (without parser) took 6665.46 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 277.3 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -193.8 MB). Peak memory consumption was 83.5 MB. Max. memory is 11.5 GB. [2020-07-28 21:48:30,064 INFO L168 Benchmark]: CDTParser took 0.70 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 21:48:30,065 INFO L168 Benchmark]: CACSL2BoogieTranslator took 688.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.4 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -106.5 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2020-07-28 21:48:30,065 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.94 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 21:48:30,066 INFO L168 Benchmark]: Boogie Preprocessor took 28.70 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 21:48:30,067 INFO L168 Benchmark]: RCFGBuilder took 511.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2020-07-28 21:48:30,067 INFO L168 Benchmark]: TraceAbstraction took 5317.09 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 181.9 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -126.4 MB). Peak memory consumption was 55.5 MB. Max. memory is 11.5 GB. [2020-07-28 21:48:30,068 INFO L168 Benchmark]: Witness Printer took 61.73 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 21:48:30,071 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 0.70 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 688.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.4 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -106.5 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.94 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.70 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 511.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5317.09 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 181.9 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -126.4 MB). Peak memory consumption was 55.5 MB. Max. memory is 11.5 GB. * Witness Printer took 61.73 ms. Allocated memory is still 1.3 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: 2.1s, 79 ProgramPointsBefore, 32 ProgramPointsAfterwards, 71 TransitionsBefore, 23 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 6 FixpointIterations, 15 TrivialSequentialCompositions, 32 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 10 ConcurrentYvCompositions, 1 ChoiceCompositions, 688 VarBasedMoverChecksPositive, 31 VarBasedMoverChecksNegative, 17 SemBasedMoverChecksPositive, 29 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.6s, 0 MoverChecksTotal, 2463 CheckedPairsTotal, 57 TotalNumberOfCompositions - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 70 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.2s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.2s, HoareTripleCheckerStatistics: 156 SDtfs, 152 SDslu, 207 SDs, 0 SdLazy, 46 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=362occurred 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: 0.6s AutomataMinimizationTime, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 77 NumberOfCodeBlocks, 77 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 70 ConstructedInterpolants, 0 QuantifiedInterpolants, 2464 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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...