./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/thin001_tso.opt.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.opt.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 b83222e61cc27b69acae368e02eba8b9d4167c39 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 21:48:22,075 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 21:48:22,077 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 21:48:22,088 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 21:48:22,089 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 21:48:22,090 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 21:48:22,091 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 21:48:22,093 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 21:48:22,095 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 21:48:22,095 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 21:48:22,096 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 21:48:22,098 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 21:48:22,098 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 21:48:22,099 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 21:48:22,100 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 21:48:22,101 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 21:48:22,102 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 21:48:22,103 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 21:48:22,105 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 21:48:22,107 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 21:48:22,109 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 21:48:22,111 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 21:48:22,116 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 21:48:22,116 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 21:48:22,119 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 21:48:22,121 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 21:48:22,123 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 21:48:22,124 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 21:48:22,125 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 21:48:22,125 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 21:48:22,126 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 21:48:22,126 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 21:48:22,127 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 21:48:22,128 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 21:48:22,129 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 21:48:22,150 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 21:48:22,151 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 21:48:22,152 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 21:48:22,152 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 21:48:22,152 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 21:48:22,153 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 21:48:22,153 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 21:48:22,153 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 21:48:22,153 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 21:48:22,153 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 21:48:22,154 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 21:48:22,154 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 21:48:22,154 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 21:48:22,154 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 21:48:22,154 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 21:48:22,155 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 21:48:22,155 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 21:48:22,155 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 21:48:22,155 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 21:48:22,156 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 21:48:22,156 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 21:48:22,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 21:48:22,156 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 21:48:22,157 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 21:48:22,157 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 21:48:22,157 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 21:48:22,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 21:48:22,157 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 21:48:22,158 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 21:48:22,158 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 -> b83222e61cc27b69acae368e02eba8b9d4167c39 [2020-07-28 21:48:22,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 21:48:22,480 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 21:48:22,484 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 21:48:22,486 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 21:48:22,487 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 21:48:22,488 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/thin001_tso.opt.i [2020-07-28 21:48:22,552 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f58189a1/78f660c236c34bcfa4a2a60e0bff98fb/FLAGe54c2e611 [2020-07-28 21:48:23,106 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 21:48:23,107 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/thin001_tso.opt.i [2020-07-28 21:48:23,126 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f58189a1/78f660c236c34bcfa4a2a60e0bff98fb/FLAGe54c2e611 [2020-07-28 21:48:23,419 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f58189a1/78f660c236c34bcfa4a2a60e0bff98fb [2020-07-28 21:48:23,422 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 21:48:23,426 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 21:48:23,427 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 21:48:23,427 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 21:48:23,430 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 21:48:23,431 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 09:48:23" (1/1) ... [2020-07-28 21:48:23,434 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49a37da1 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 21:48:23,434 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 09:48:23" (1/1) ... [2020-07-28 21:48:23,442 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 21:48:23,493 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 21:48:23,950 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 21:48:23,963 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 21:48:24,014 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 21:48:24,092 INFO L208 MainTranslator]: Completed translation [2020-07-28 21:48:24,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:48:24 WrapperNode [2020-07-28 21:48:24,093 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 21:48:24,093 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 21:48:24,094 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 21:48:24,094 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 21:48:24,103 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 21:48:24,119 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 21:48:24,146 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 21:48:24,147 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 21:48:24,147 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 21:48:24,147 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 21:48:24,157 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 21:48:24,157 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 21:48:24,160 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 21:48:24,160 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 21:48:24,169 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 21:48:24,172 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 21:48:24,174 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 21:48:24,177 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 21:48:24,178 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 21:48:24,178 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 21:48:24,178 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 21:48:24,179 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 21:48:24,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-28 21:48:24,252 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-07-28 21:48:24,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 21:48:24,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 21:48:24,253 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-07-28 21:48:24,253 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-07-28 21:48:24,253 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-07-28 21:48:24,253 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-07-28 21:48:24,253 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-07-28 21:48:24,254 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-07-28 21:48:24,254 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-07-28 21:48:24,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 21:48:24,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 21:48:24,256 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 21:48:24,665 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 21:48:24,666 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-07-28 21:48:24,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 09:48:24 BoogieIcfgContainer [2020-07-28 21:48:24,670 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 21:48:24,671 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 21:48:24,671 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 21:48:24,674 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 21:48:24,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 09:48:23" (1/3) ... [2020-07-28 21:48:24,676 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c779c35 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 21:48:24,676 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 21:48:24,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c779c35 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 21:48:24,677 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 21:48:24,678 INFO L109 eAbstractionObserver]: Analyzing ICFG thin001_tso.opt.i [2020-07-28 21:48:24,689 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-07-28 21:48:24,689 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 21:48:24,697 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 21:48:24,698 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-07-28 21:48:24,728 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:24,729 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:24,729 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:24,730 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:24,731 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:24,731 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:24,735 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:24,735 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:24,735 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:24,735 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:24,736 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:24,736 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:24,740 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:24,740 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:24,740 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:24,740 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:24,741 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:24,741 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:24,745 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 21:48:24,746 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:24,746 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:24,752 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:24,752 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:24,753 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:24,753 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:24,762 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:24,762 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:24,762 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:24,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:24,780 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-07-28 21:48:24,802 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 21:48:24,802 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 21:48:24,802 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 21:48:24,803 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 21:48:24,803 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 21:48:24,803 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 21:48:24,803 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 21:48:24,804 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 21:48:24,818 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 71 transitions, 157 flow [2020-07-28 21:48:24,821 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 71 transitions, 157 flow [2020-07-28 21:48:24,866 INFO L129 PetriNetUnfolder]: 2/68 cut-off events. [2020-07-28 21:48:24,866 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-07-28 21:48:24,872 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 21:48:24,875 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 71 transitions, 157 flow [2020-07-28 21:48:24,900 INFO L129 PetriNetUnfolder]: 2/68 cut-off events. [2020-07-28 21:48:24,900 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-07-28 21:48:24,901 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 21:48:24,904 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1260 [2020-07-28 21:48:24,905 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-07-28 21:48:26,848 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2020-07-28 21:48:27,030 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2463 [2020-07-28 21:48:27,030 INFO L214 etLargeBlockEncoding]: Total number of compositions: 57 [2020-07-28 21:48:27,034 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 32 places, 23 transitions, 61 flow [2020-07-28 21:48:27,061 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 362 states. [2020-07-28 21:48:27,064 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states. [2020-07-28 21:48:27,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-07-28 21:48:27,072 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:48:27,072 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:48:27,073 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:48:27,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:48:27,079 INFO L82 PathProgramCache]: Analyzing trace with hash -691335731, now seen corresponding path program 1 times [2020-07-28 21:48:27,088 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:48:27,088 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053656485] [2020-07-28 21:48:27,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:48:27,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:48:27,248 INFO L280 TraceCheckUtils]: 0: Hoare triple {806#true} [225] ULTIMATE.startENTRY-->L770: Formula: (let ((.cse0 (store |v_#valid_56| 0 0))) (and (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2702~0.base_21| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2702~0.base_21|) |v_ULTIMATE.start_main_~#t2702~0.offset_15| 0)) |v_#memory_int_13|) (= 0 v_~y~0_21) (= 0 v_~z~0_20) (= 0 |v_#NULL.base_6|) (= 0 v_~main$tmp_guard0~0_39) (= (select .cse0 |v_ULTIMATE.start_main_~#t2702~0.base_21|) 0) (= 0 v_~__unbuffered_p1_EAX~0_29) (= 0 |v_#NULL.offset_6|) (= |v_#length_19| (store |v_#length_20| |v_ULTIMATE.start_main_~#t2702~0.base_21| 4)) (= 0 v_~__unbuffered_p0_EAX~0_27) (= 0 |v_ULTIMATE.start_main_~#t2702~0.offset_15|) (= 0 v_~main$tmp_guard1~0_21) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2702~0.base_21|) (= v_~__unbuffered_cnt~0_163 0) (< 0 |v_#StackHeapBarrier_15|) (= 0 v_~__unbuffered_p2_EAX~0_28) (= (store .cse0 |v_ULTIMATE.start_main_~#t2702~0.base_21| 1) |v_#valid_54|) (= 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_~#t2703~0.offset=|v_ULTIMATE.start_main_~#t2703~0.offset_16|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_9|, 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|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_21, ULTIMATE.start_main_~#t2703~0.base=|v_ULTIMATE.start_main_~#t2703~0.base_22|, ULTIMATE.start_main_~#t2702~0.base=|v_ULTIMATE.start_main_~#t2702~0.base_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, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_39, ULTIMATE.start_main_~#t2704~0.offset=|v_ULTIMATE.start_main_~#t2704~0.offset_14|, #NULL.base=|v_#NULL.base_6|, ULTIMATE.start_main_~#t2702~0.offset=|v_ULTIMATE.start_main_~#t2702~0.offset_15|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_17|, #valid=|v_#valid_54|, #memory_int=|v_#memory_int_13|, ULTIMATE.start_main_~#t2704~0.base=|v_ULTIMATE.start_main_~#t2704~0.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_~#t2703~0.offset, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, ULTIMATE.start_main_~#t2703~0.base, ULTIMATE.start_main_~#t2704~0.offset, #NULL.base, ULTIMATE.start_main_~#t2702~0.offset, ULTIMATE.start_main_~#t2702~0.base, ~__unbuffered_p0_EAX~0, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ULTIMATE.start_main_~#t2704~0.base, ~__unbuffered_cnt~0, ~z~0, ~y~0, ~x~0] {806#true} is VALID [2020-07-28 21:48:27,249 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 21:48:27,249 INFO L280 TraceCheckUtils]: 2: Hoare triple {806#true} [212] L770-1-->L772: Formula: (and (= 0 (select |v_#valid_37| |v_ULTIMATE.start_main_~#t2703~0.base_12|)) (not (= 0 |v_ULTIMATE.start_main_~#t2703~0.base_12|)) (= (store |v_#memory_int_10| |v_ULTIMATE.start_main_~#t2703~0.base_12| (store (select |v_#memory_int_10| |v_ULTIMATE.start_main_~#t2703~0.base_12|) |v_ULTIMATE.start_main_~#t2703~0.offset_10| 1)) |v_#memory_int_9|) (= |v_#valid_36| (store |v_#valid_37| |v_ULTIMATE.start_main_~#t2703~0.base_12| 1)) (= 0 |v_ULTIMATE.start_main_~#t2703~0.offset_10|) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2703~0.base_12|) (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t2703~0.base_12| 4) |v_#length_15|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_10|, #length=|v_#length_16|} OutVars{ULTIMATE.start_main_~#t2703~0.offset=|v_ULTIMATE.start_main_~#t2703~0.offset_10|, #StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_9|, #length=|v_#length_15|, ULTIMATE.start_main_~#t2703~0.base=|v_ULTIMATE.start_main_~#t2703~0.base_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2703~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length, ULTIMATE.start_main_~#t2703~0.base] {806#true} is VALID [2020-07-28 21:48:27,250 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 21:48:27,250 INFO L280 TraceCheckUtils]: 4: Hoare triple {806#true} [198] L772-1-->L774: Formula: (and (= (store |v_#length_14| |v_ULTIMATE.start_main_~#t2704~0.base_9| 4) |v_#length_13|) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t2704~0.base_9|) (= 0 |v_ULTIMATE.start_main_~#t2704~0.offset_9|) (not (= |v_ULTIMATE.start_main_~#t2704~0.base_9| 0)) (= |v_#memory_int_7| (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t2704~0.base_9| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t2704~0.base_9|) |v_ULTIMATE.start_main_~#t2704~0.offset_9| 2))) (= (select |v_#valid_28| |v_ULTIMATE.start_main_~#t2704~0.base_9|) 0) (= |v_#valid_27| (store |v_#valid_28| |v_ULTIMATE.start_main_~#t2704~0.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|, #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_~#t2704~0.base=|v_ULTIMATE.start_main_~#t2704~0.base_9|, #length=|v_#length_13|, ULTIMATE.start_main_~#t2704~0.offset=|v_ULTIMATE.start_main_~#t2704~0.offset_9|} AuxVars[] AssignedVars[#valid, ULTIMATE.start_main_#t~nondet3, #memory_int, ULTIMATE.start_main_~#t2704~0.base, #length, ULTIMATE.start_main_~#t2704~0.offset] {806#true} is VALID [2020-07-28 21:48:27,250 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 21:48:27,252 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 21:48:27,252 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 21:48:27,254 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 21:48:27,254 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053656485] [2020-07-28 21:48:27,255 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:48:27,255 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 21:48:27,256 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838346679] [2020-07-28 21:48:27,261 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 21:48:27,287 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 21:48:27,287 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 21:48:27,287 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:48:27,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 21:48:27,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 21:48:27,300 INFO L87 Difference]: Start difference. First operand 362 states. Second operand 2 states. [2020-07-28 21:48:27,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:27,445 INFO L93 Difference]: Finished difference Result 362 states and 1072 transitions. [2020-07-28 21:48:27,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 21:48:27,446 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-07-28 21:48:27,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:48:27,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 21:48:27,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 20 transitions. [2020-07-28 21:48:27,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 21:48:27,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 20 transitions. [2020-07-28 21:48:27,449 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 20 transitions. [2020-07-28 21:48:27,480 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 21:48:27,527 INFO L225 Difference]: With dead ends: 362 [2020-07-28 21:48:27,527 INFO L226 Difference]: Without dead ends: 298 [2020-07-28 21:48:27,529 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 21:48:27,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2020-07-28 21:48:27,590 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 21:48:27,595 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 21:48:27,599 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 21:48:27,600 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,600 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,600 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,600 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,600 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,601 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,601 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,601 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,601 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,602 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,602 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,602 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,604 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,604 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,606 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 21:48:27,607 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 21:48:27,608 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 21:48:27,609 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 21:48:27,610 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 21:48:27,612 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 21:48:27,614 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 21:48:27,615 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 21:48:27,616 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 21:48:27,617 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 21:48:27,618 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 21:48:27,619 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 21:48:27,620 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 21:48:27,621 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 21:48:27,623 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 21:48:27,625 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,626 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,630 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 21:48:27,631 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 21:48:27,632 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 21:48:27,634 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,634 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,641 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,641 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,642 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,643 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,643 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,643 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,643 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,643 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,644 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,644 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,644 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 21:48:27,646 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,646 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,646 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 21:48:27,647 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 21:48:27,648 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 21:48:27,649 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 21:48:27,651 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 21:48:27,653 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 21:48:27,653 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 21:48:27,654 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 21:48:27,655 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 21:48:27,656 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 21:48:27,657 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,657 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,657 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,658 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,658 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,658 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,658 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,658 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,659 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,659 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,659 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,659 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,659 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,660 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,660 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,663 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,663 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,663 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,664 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,664 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,664 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,664 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,664 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,665 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,665 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,665 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,665 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,665 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,666 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,666 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,666 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,666 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,667 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,667 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,667 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,667 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,668 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,668 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,668 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,668 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,668 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,669 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,669 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,669 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,669 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,669 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,670 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,670 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,670 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,670 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,670 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,670 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,671 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,671 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,671 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,671 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,672 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,672 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,672 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,672 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,672 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,673 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,673 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,673 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,673 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,673 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,674 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,674 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,674 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,675 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,675 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,675 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,675 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,675 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,676 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,676 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,676 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,676 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,677 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,677 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,677 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,677 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,677 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,678 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,678 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,678 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,678 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,679 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,679 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,679 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,679 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,679 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,680 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,680 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,680 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,680 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,680 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,681 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,681 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,681 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,681 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,682 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,682 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,682 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,683 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:27,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298. [2020-07-28 21:48:27,684 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:48:27,685 INFO L82 GeneralOperation]: Start isEquivalent. First operand 298 states. Second operand 298 states. [2020-07-28 21:48:27,685 INFO L74 IsIncluded]: Start isIncluded. First operand 298 states. Second operand 298 states. [2020-07-28 21:48:27,686 INFO L87 Difference]: Start difference. First operand 298 states. Second operand 298 states. [2020-07-28 21:48:27,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:27,714 INFO L93 Difference]: Finished difference Result 298 states and 864 transitions. [2020-07-28 21:48:27,714 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 864 transitions. [2020-07-28 21:48:27,718 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:27,718 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:27,718 INFO L74 IsIncluded]: Start isIncluded. First operand 298 states. Second operand 298 states. [2020-07-28 21:48:27,718 INFO L87 Difference]: Start difference. First operand 298 states. Second operand 298 states. [2020-07-28 21:48:27,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:27,745 INFO L93 Difference]: Finished difference Result 298 states and 864 transitions. [2020-07-28 21:48:27,745 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 864 transitions. [2020-07-28 21:48:27,747 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:27,747 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:27,747 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:48:27,748 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:48:27,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-07-28 21:48:27,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 864 transitions. [2020-07-28 21:48:27,774 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 864 transitions. Word has length 8 [2020-07-28 21:48:27,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:48:27,774 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 864 transitions. [2020-07-28 21:48:27,774 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 21:48:27,774 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 864 transitions. [2020-07-28 21:48:27,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-07-28 21:48:27,775 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:48:27,775 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:48:27,775 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 21:48:27,776 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:48:27,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:48:27,776 INFO L82 PathProgramCache]: Analyzing trace with hash 43425274, now seen corresponding path program 1 times [2020-07-28 21:48:27,776 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:48:27,776 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396915339] [2020-07-28 21:48:27,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:48:27,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:48:27,896 INFO L280 TraceCheckUtils]: 0: Hoare triple {2364#true} [225] ULTIMATE.startENTRY-->L770: Formula: (let ((.cse0 (store |v_#valid_56| 0 0))) (and (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2702~0.base_21| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2702~0.base_21|) |v_ULTIMATE.start_main_~#t2702~0.offset_15| 0)) |v_#memory_int_13|) (= 0 v_~y~0_21) (= 0 v_~z~0_20) (= 0 |v_#NULL.base_6|) (= 0 v_~main$tmp_guard0~0_39) (= (select .cse0 |v_ULTIMATE.start_main_~#t2702~0.base_21|) 0) (= 0 v_~__unbuffered_p1_EAX~0_29) (= 0 |v_#NULL.offset_6|) (= |v_#length_19| (store |v_#length_20| |v_ULTIMATE.start_main_~#t2702~0.base_21| 4)) (= 0 v_~__unbuffered_p0_EAX~0_27) (= 0 |v_ULTIMATE.start_main_~#t2702~0.offset_15|) (= 0 v_~main$tmp_guard1~0_21) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2702~0.base_21|) (= v_~__unbuffered_cnt~0_163 0) (< 0 |v_#StackHeapBarrier_15|) (= 0 v_~__unbuffered_p2_EAX~0_28) (= (store .cse0 |v_ULTIMATE.start_main_~#t2702~0.base_21| 1) |v_#valid_54|) (= 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_~#t2703~0.offset=|v_ULTIMATE.start_main_~#t2703~0.offset_16|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_9|, 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|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_21, ULTIMATE.start_main_~#t2703~0.base=|v_ULTIMATE.start_main_~#t2703~0.base_22|, ULTIMATE.start_main_~#t2702~0.base=|v_ULTIMATE.start_main_~#t2702~0.base_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, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_39, ULTIMATE.start_main_~#t2704~0.offset=|v_ULTIMATE.start_main_~#t2704~0.offset_14|, #NULL.base=|v_#NULL.base_6|, ULTIMATE.start_main_~#t2702~0.offset=|v_ULTIMATE.start_main_~#t2702~0.offset_15|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_17|, #valid=|v_#valid_54|, #memory_int=|v_#memory_int_13|, ULTIMATE.start_main_~#t2704~0.base=|v_ULTIMATE.start_main_~#t2704~0.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_~#t2703~0.offset, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, ULTIMATE.start_main_~#t2703~0.base, ULTIMATE.start_main_~#t2704~0.offset, #NULL.base, ULTIMATE.start_main_~#t2702~0.offset, ULTIMATE.start_main_~#t2702~0.base, ~__unbuffered_p0_EAX~0, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ULTIMATE.start_main_~#t2704~0.base, ~__unbuffered_cnt~0, ~z~0, ~y~0, ~x~0] {2366#(= 0 ~__unbuffered_p1_EAX~0)} is VALID [2020-07-28 21:48:27,897 INFO L280 TraceCheckUtils]: 1: Hoare triple {2366#(= 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] {2366#(= 0 ~__unbuffered_p1_EAX~0)} is VALID [2020-07-28 21:48:27,898 INFO L280 TraceCheckUtils]: 2: Hoare triple {2366#(= 0 ~__unbuffered_p1_EAX~0)} [212] L770-1-->L772: Formula: (and (= 0 (select |v_#valid_37| |v_ULTIMATE.start_main_~#t2703~0.base_12|)) (not (= 0 |v_ULTIMATE.start_main_~#t2703~0.base_12|)) (= (store |v_#memory_int_10| |v_ULTIMATE.start_main_~#t2703~0.base_12| (store (select |v_#memory_int_10| |v_ULTIMATE.start_main_~#t2703~0.base_12|) |v_ULTIMATE.start_main_~#t2703~0.offset_10| 1)) |v_#memory_int_9|) (= |v_#valid_36| (store |v_#valid_37| |v_ULTIMATE.start_main_~#t2703~0.base_12| 1)) (= 0 |v_ULTIMATE.start_main_~#t2703~0.offset_10|) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2703~0.base_12|) (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t2703~0.base_12| 4) |v_#length_15|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_10|, #length=|v_#length_16|} OutVars{ULTIMATE.start_main_~#t2703~0.offset=|v_ULTIMATE.start_main_~#t2703~0.offset_10|, #StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_9|, #length=|v_#length_15|, ULTIMATE.start_main_~#t2703~0.base=|v_ULTIMATE.start_main_~#t2703~0.base_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2703~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length, ULTIMATE.start_main_~#t2703~0.base] {2366#(= 0 ~__unbuffered_p1_EAX~0)} is VALID [2020-07-28 21:48:27,899 INFO L280 TraceCheckUtils]: 3: Hoare triple {2366#(= 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] {2366#(= 0 ~__unbuffered_p1_EAX~0)} is VALID [2020-07-28 21:48:27,899 INFO L280 TraceCheckUtils]: 4: Hoare triple {2366#(= 0 ~__unbuffered_p1_EAX~0)} [198] L772-1-->L774: Formula: (and (= (store |v_#length_14| |v_ULTIMATE.start_main_~#t2704~0.base_9| 4) |v_#length_13|) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t2704~0.base_9|) (= 0 |v_ULTIMATE.start_main_~#t2704~0.offset_9|) (not (= |v_ULTIMATE.start_main_~#t2704~0.base_9| 0)) (= |v_#memory_int_7| (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t2704~0.base_9| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t2704~0.base_9|) |v_ULTIMATE.start_main_~#t2704~0.offset_9| 2))) (= (select |v_#valid_28| |v_ULTIMATE.start_main_~#t2704~0.base_9|) 0) (= |v_#valid_27| (store |v_#valid_28| |v_ULTIMATE.start_main_~#t2704~0.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|, #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_~#t2704~0.base=|v_ULTIMATE.start_main_~#t2704~0.base_9|, #length=|v_#length_13|, ULTIMATE.start_main_~#t2704~0.offset=|v_ULTIMATE.start_main_~#t2704~0.offset_9|} AuxVars[] AssignedVars[#valid, ULTIMATE.start_main_#t~nondet3, #memory_int, ULTIMATE.start_main_~#t2704~0.base, #length, ULTIMATE.start_main_~#t2704~0.offset] {2366#(= 0 ~__unbuffered_p1_EAX~0)} is VALID [2020-07-28 21:48:27,901 INFO L280 TraceCheckUtils]: 5: Hoare triple {2366#(= 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] {2366#(= 0 ~__unbuffered_p1_EAX~0)} is VALID [2020-07-28 21:48:27,902 INFO L280 TraceCheckUtils]: 6: Hoare triple {2366#(= 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] {2366#(= 0 ~__unbuffered_p1_EAX~0)} is VALID [2020-07-28 21:48:27,903 INFO L280 TraceCheckUtils]: 7: Hoare triple {2366#(= 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] {2367#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} is VALID [2020-07-28 21:48:27,904 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 21:48:27,905 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 21:48:27,905 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396915339] [2020-07-28 21:48:27,906 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:48:27,906 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 21:48:27,906 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407513126] [2020-07-28 21:48:27,909 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-07-28 21:48:27,909 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:48:27,909 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 21:48:27,928 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 21:48:27,928 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 21:48:27,928 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:48:27,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 21:48:27,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 21:48:27,929 INFO L87 Difference]: Start difference. First operand 298 states and 864 transitions. Second operand 4 states. [2020-07-28 21:48:28,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:28,086 INFO L93 Difference]: Finished difference Result 330 states and 912 transitions. [2020-07-28 21:48:28,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 21:48:28,086 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-07-28 21:48:28,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:48:28,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:48:28,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 45 transitions. [2020-07-28 21:48:28,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:48:28,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 45 transitions. [2020-07-28 21:48:28,088 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 45 transitions. [2020-07-28 21:48:28,150 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 21:48:28,158 INFO L225 Difference]: With dead ends: 330 [2020-07-28 21:48:28,158 INFO L226 Difference]: Without dead ends: 266 [2020-07-28 21:48:28,159 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 21:48:28,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-07-28 21:48:28,169 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,169 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,169 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,170 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,170 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,170 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,170 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,171 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,171 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,171 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,171 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,171 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,172 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,172 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,172 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,172 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,172 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,173 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,173 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,173 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,173 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,173 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,174 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,174 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,174 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,174 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,174 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,175 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,175 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,175 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,175 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,175 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,176 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,176 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,176 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,176 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,176 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,177 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,177 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,177 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,177 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,177 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,178 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,178 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,178 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,178 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,178 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,179 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,179 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,179 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,179 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,179 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,180 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,180 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,180 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,180 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,180 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,181 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,181 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,181 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,181 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,181 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,182 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,182 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,182 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,182 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,182 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,183 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,183 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,183 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,183 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,184 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,184 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,184 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,184 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,184 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,185 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,185 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,185 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,185 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,185 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,186 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,186 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,186 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,186 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,187 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,187 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,187 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,187 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,187 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,188 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,188 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,188 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,188 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,188 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,189 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,189 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,189 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,189 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,189 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,190 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,190 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,190 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,190 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,190 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,191 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,191 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,191 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,191 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,191 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,192 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,192 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,192 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,192 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,192 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,193 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,193 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,193 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,193 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,193 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,194 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,194 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,194 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,194 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,194 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,195 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,195 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,195 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,195 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,195 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 21:48:28,196 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 21:48:28,197 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 21:48:28,198 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 21:48:28,199 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 21:48:28,200 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 21:48:28,201 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 21:48:28,202 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 21:48:28,203 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 21:48:28,204 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 21:48:28,205 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 21:48:28,206 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 21:48:28,207 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 21:48:28,208 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 21:48:28,209 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 21:48:28,210 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 21:48:28,211 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 21:48:28,212 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 21:48:28,213 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 21:48:28,214 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 21:48:28,215 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 21:48:28,217 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 21:48:28,218 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 21:48:28,219 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 21:48:28,220 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 21:48:28,221 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 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2020-07-28 21:48:28,223 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:48:28,223 INFO L82 GeneralOperation]: Start isEquivalent. First operand 266 states. Second operand 266 states. [2020-07-28 21:48:28,224 INFO L74 IsIncluded]: Start isIncluded. First operand 266 states. Second operand 266 states. [2020-07-28 21:48:28,224 INFO L87 Difference]: Start difference. First operand 266 states. Second operand 266 states. [2020-07-28 21:48:28,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:28,239 INFO L93 Difference]: Finished difference Result 266 states and 752 transitions. [2020-07-28 21:48:28,239 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 752 transitions. [2020-07-28 21:48:28,240 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:28,240 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:28,241 INFO L74 IsIncluded]: Start isIncluded. First operand 266 states. Second operand 266 states. [2020-07-28 21:48:28,241 INFO L87 Difference]: Start difference. First operand 266 states. Second operand 266 states. [2020-07-28 21:48:28,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:28,257 INFO L93 Difference]: Finished difference Result 266 states and 752 transitions. [2020-07-28 21:48:28,257 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 752 transitions. [2020-07-28 21:48:28,258 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:28,258 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:28,258 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:48:28,258 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:48:28,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-07-28 21:48:28,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 752 transitions. [2020-07-28 21:48:28,274 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 752 transitions. Word has length 9 [2020-07-28 21:48:28,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:48:28,274 INFO L479 AbstractCegarLoop]: Abstraction has 266 states and 752 transitions. [2020-07-28 21:48:28,274 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 21:48:28,274 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 752 transitions. [2020-07-28 21:48:28,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-07-28 21:48:28,275 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:48:28,275 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:48:28,275 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 21:48:28,275 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:48:28,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:48:28,276 INFO L82 PathProgramCache]: Analyzing trace with hash 1226466257, now seen corresponding path program 1 times [2020-07-28 21:48:28,276 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:48:28,276 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499651453] [2020-07-28 21:48:28,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:48:28,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:48:28,363 INFO L280 TraceCheckUtils]: 0: Hoare triple {3766#true} [225] ULTIMATE.startENTRY-->L770: Formula: (let ((.cse0 (store |v_#valid_56| 0 0))) (and (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2702~0.base_21| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2702~0.base_21|) |v_ULTIMATE.start_main_~#t2702~0.offset_15| 0)) |v_#memory_int_13|) (= 0 v_~y~0_21) (= 0 v_~z~0_20) (= 0 |v_#NULL.base_6|) (= 0 v_~main$tmp_guard0~0_39) (= (select .cse0 |v_ULTIMATE.start_main_~#t2702~0.base_21|) 0) (= 0 v_~__unbuffered_p1_EAX~0_29) (= 0 |v_#NULL.offset_6|) (= |v_#length_19| (store |v_#length_20| |v_ULTIMATE.start_main_~#t2702~0.base_21| 4)) (= 0 v_~__unbuffered_p0_EAX~0_27) (= 0 |v_ULTIMATE.start_main_~#t2702~0.offset_15|) (= 0 v_~main$tmp_guard1~0_21) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2702~0.base_21|) (= v_~__unbuffered_cnt~0_163 0) (< 0 |v_#StackHeapBarrier_15|) (= 0 v_~__unbuffered_p2_EAX~0_28) (= (store .cse0 |v_ULTIMATE.start_main_~#t2702~0.base_21| 1) |v_#valid_54|) (= 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_~#t2703~0.offset=|v_ULTIMATE.start_main_~#t2703~0.offset_16|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_9|, 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|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_21, ULTIMATE.start_main_~#t2703~0.base=|v_ULTIMATE.start_main_~#t2703~0.base_22|, ULTIMATE.start_main_~#t2702~0.base=|v_ULTIMATE.start_main_~#t2702~0.base_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, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_39, ULTIMATE.start_main_~#t2704~0.offset=|v_ULTIMATE.start_main_~#t2704~0.offset_14|, #NULL.base=|v_#NULL.base_6|, ULTIMATE.start_main_~#t2702~0.offset=|v_ULTIMATE.start_main_~#t2702~0.offset_15|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_17|, #valid=|v_#valid_54|, #memory_int=|v_#memory_int_13|, ULTIMATE.start_main_~#t2704~0.base=|v_ULTIMATE.start_main_~#t2704~0.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_~#t2703~0.offset, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, ULTIMATE.start_main_~#t2703~0.base, ULTIMATE.start_main_~#t2704~0.offset, #NULL.base, ULTIMATE.start_main_~#t2702~0.offset, ULTIMATE.start_main_~#t2702~0.base, ~__unbuffered_p0_EAX~0, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ULTIMATE.start_main_~#t2704~0.base, ~__unbuffered_cnt~0, ~z~0, ~y~0, ~x~0] {3768#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:48:28,364 INFO L280 TraceCheckUtils]: 1: Hoare triple {3768#(= 0 ~__unbuffered_p2_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_p2_EAX~0)} is VALID [2020-07-28 21:48:28,365 INFO L280 TraceCheckUtils]: 2: Hoare triple {3768#(= 0 ~__unbuffered_p2_EAX~0)} [212] L770-1-->L772: Formula: (and (= 0 (select |v_#valid_37| |v_ULTIMATE.start_main_~#t2703~0.base_12|)) (not (= 0 |v_ULTIMATE.start_main_~#t2703~0.base_12|)) (= (store |v_#memory_int_10| |v_ULTIMATE.start_main_~#t2703~0.base_12| (store (select |v_#memory_int_10| |v_ULTIMATE.start_main_~#t2703~0.base_12|) |v_ULTIMATE.start_main_~#t2703~0.offset_10| 1)) |v_#memory_int_9|) (= |v_#valid_36| (store |v_#valid_37| |v_ULTIMATE.start_main_~#t2703~0.base_12| 1)) (= 0 |v_ULTIMATE.start_main_~#t2703~0.offset_10|) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2703~0.base_12|) (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t2703~0.base_12| 4) |v_#length_15|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_10|, #length=|v_#length_16|} OutVars{ULTIMATE.start_main_~#t2703~0.offset=|v_ULTIMATE.start_main_~#t2703~0.offset_10|, #StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_9|, #length=|v_#length_15|, ULTIMATE.start_main_~#t2703~0.base=|v_ULTIMATE.start_main_~#t2703~0.base_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2703~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length, ULTIMATE.start_main_~#t2703~0.base] {3768#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:48:28,365 INFO L280 TraceCheckUtils]: 3: Hoare triple {3768#(= 0 ~__unbuffered_p2_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_p2_EAX~0)} is VALID [2020-07-28 21:48:28,366 INFO L280 TraceCheckUtils]: 4: Hoare triple {3768#(= 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] {3768#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:48:28,367 INFO L280 TraceCheckUtils]: 5: Hoare triple {3768#(= 0 ~__unbuffered_p2_EAX~0)} [198] L772-1-->L774: Formula: (and (= (store |v_#length_14| |v_ULTIMATE.start_main_~#t2704~0.base_9| 4) |v_#length_13|) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t2704~0.base_9|) (= 0 |v_ULTIMATE.start_main_~#t2704~0.offset_9|) (not (= |v_ULTIMATE.start_main_~#t2704~0.base_9| 0)) (= |v_#memory_int_7| (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t2704~0.base_9| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t2704~0.base_9|) |v_ULTIMATE.start_main_~#t2704~0.offset_9| 2))) (= (select |v_#valid_28| |v_ULTIMATE.start_main_~#t2704~0.base_9|) 0) (= |v_#valid_27| (store |v_#valid_28| |v_ULTIMATE.start_main_~#t2704~0.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|, #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_~#t2704~0.base=|v_ULTIMATE.start_main_~#t2704~0.base_9|, #length=|v_#length_13|, ULTIMATE.start_main_~#t2704~0.offset=|v_ULTIMATE.start_main_~#t2704~0.offset_9|} AuxVars[] AssignedVars[#valid, ULTIMATE.start_main_#t~nondet3, #memory_int, ULTIMATE.start_main_~#t2704~0.base, #length, ULTIMATE.start_main_~#t2704~0.offset] {3768#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:48:28,367 INFO L280 TraceCheckUtils]: 6: Hoare triple {3768#(= 0 ~__unbuffered_p2_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_p2_EAX~0)} is VALID [2020-07-28 21:48:28,368 INFO L280 TraceCheckUtils]: 7: Hoare triple {3768#(= 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] {3768#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:48:28,369 INFO L280 TraceCheckUtils]: 8: Hoare triple {3768#(= 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] {3769#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} is VALID [2020-07-28 21:48:28,370 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 21:48:28,371 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 21:48:28,371 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499651453] [2020-07-28 21:48:28,371 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:48:28,372 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 21:48:28,372 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718900380] [2020-07-28 21:48:28,372 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-07-28 21:48:28,372 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:48:28,372 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 21:48:28,385 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 21:48:28,385 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 21:48:28,385 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:48:28,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 21:48:28,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 21:48:28,386 INFO L87 Difference]: Start difference. First operand 266 states and 752 transitions. Second operand 4 states. [2020-07-28 21:48:28,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:28,482 INFO L93 Difference]: Finished difference Result 290 states and 786 transitions. [2020-07-28 21:48:28,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 21:48:28,482 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-07-28 21:48:28,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:48:28,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:48:28,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 41 transitions. [2020-07-28 21:48:28,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:48:28,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 41 transitions. [2020-07-28 21:48:28,485 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 41 transitions. [2020-07-28 21:48:28,534 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 21:48:28,541 INFO L225 Difference]: With dead ends: 290 [2020-07-28 21:48:28,541 INFO L226 Difference]: Without dead ends: 242 [2020-07-28 21:48:28,542 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 21:48:28,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2020-07-28 21:48:28,548 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,549 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,549 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,549 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,549 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,550 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,550 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,550 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,551 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,551 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,551 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,551 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,552 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,552 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,552 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,552 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,553 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,553 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,553 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,553 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,554 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,554 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,554 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,554 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,555 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,555 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,555 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,556 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,556 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,556 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,556 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,557 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,557 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,557 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,557 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,558 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,558 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,558 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,558 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,559 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,559 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,559 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,559 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,560 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,560 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,560 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,560 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,561 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,561 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,561 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,561 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,562 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,562 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,562 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,562 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,563 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,563 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,563 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,563 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,564 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,564 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,564 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,565 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,565 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,565 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,565 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,566 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,566 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,566 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,566 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,567 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,567 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,567 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,567 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,568 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,568 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,568 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,568 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,569 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,569 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,569 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,569 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,570 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,570 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,570 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,570 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,571 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,571 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,571 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,572 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,572 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,572 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,572 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,573 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,573 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,573 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,573 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,574 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,574 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,574 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,574 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,575 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,575 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,575 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,576 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,576 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,576 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,576 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,577 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,577 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,577 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,577 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,578 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,578 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,578 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,578 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,579 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,579 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,579 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,579 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,580 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,580 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,580 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,580 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,581 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,581 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,581 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,581 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,581 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,581 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,582 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,582 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,582 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,582 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,582 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,583 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,583 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,583 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,583 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,583 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,584 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,584 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,584 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,584 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,584 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,585 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,585 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,585 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,585 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,585 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,586 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,586 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,586 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,586 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,586 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,586 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,587 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,587 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,587 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,587 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,588 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,588 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,588 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,588 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,588 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,588 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,589 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,589 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,589 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,589 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,589 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,590 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,590 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,590 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,590 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,590 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,591 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,591 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,591 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,591 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,591 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,592 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,592 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,592 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,592 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,592 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,593 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,593 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,593 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,593 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,593 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,593 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,594 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,594 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,594 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,594 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,594 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,595 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,595 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,595 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,595 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,595 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,596 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,596 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,596 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,596 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,596 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,597 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,597 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,597 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,597 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,597 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,598 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,598 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,598 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,598 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,598 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,599 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,599 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,599 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,599 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,599 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,600 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,600 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,600 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,600 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,600 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,601 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,601 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,601 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,601 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,601 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,602 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,602 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,602 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,602 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,602 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,603 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,603 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,603 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,603 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,604 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 242. [2020-07-28 21:48:28,604 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:48:28,605 INFO L82 GeneralOperation]: Start isEquivalent. First operand 242 states. Second operand 242 states. [2020-07-28 21:48:28,605 INFO L74 IsIncluded]: Start isIncluded. First operand 242 states. Second operand 242 states. [2020-07-28 21:48:28,605 INFO L87 Difference]: Start difference. First operand 242 states. Second operand 242 states. [2020-07-28 21:48:28,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:28,617 INFO L93 Difference]: Finished difference Result 242 states and 670 transitions. [2020-07-28 21:48:28,617 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 670 transitions. [2020-07-28 21:48:28,618 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:28,618 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:28,618 INFO L74 IsIncluded]: Start isIncluded. First operand 242 states. Second operand 242 states. [2020-07-28 21:48:28,618 INFO L87 Difference]: Start difference. First operand 242 states. Second operand 242 states. [2020-07-28 21:48:28,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:28,630 INFO L93 Difference]: Finished difference Result 242 states and 670 transitions. [2020-07-28 21:48:28,630 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 670 transitions. [2020-07-28 21:48:28,630 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:28,630 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:28,631 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:48:28,631 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:48:28,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2020-07-28 21:48:28,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 670 transitions. [2020-07-28 21:48:28,640 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 670 transitions. Word has length 10 [2020-07-28 21:48:28,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:48:28,640 INFO L479 AbstractCegarLoop]: Abstraction has 242 states and 670 transitions. [2020-07-28 21:48:28,640 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 21:48:28,641 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 670 transitions. [2020-07-28 21:48:28,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-07-28 21:48:28,641 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:48:28,641 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:48:28,642 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 21:48:28,642 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:48:28,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:48:28,642 INFO L82 PathProgramCache]: Analyzing trace with hash -635370963, now seen corresponding path program 1 times [2020-07-28 21:48:28,642 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:48:28,643 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015032690] [2020-07-28 21:48:28,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:48:28,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:48:28,721 INFO L280 TraceCheckUtils]: 0: Hoare triple {5032#true} [225] ULTIMATE.startENTRY-->L770: Formula: (let ((.cse0 (store |v_#valid_56| 0 0))) (and (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2702~0.base_21| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2702~0.base_21|) |v_ULTIMATE.start_main_~#t2702~0.offset_15| 0)) |v_#memory_int_13|) (= 0 v_~y~0_21) (= 0 v_~z~0_20) (= 0 |v_#NULL.base_6|) (= 0 v_~main$tmp_guard0~0_39) (= (select .cse0 |v_ULTIMATE.start_main_~#t2702~0.base_21|) 0) (= 0 v_~__unbuffered_p1_EAX~0_29) (= 0 |v_#NULL.offset_6|) (= |v_#length_19| (store |v_#length_20| |v_ULTIMATE.start_main_~#t2702~0.base_21| 4)) (= 0 v_~__unbuffered_p0_EAX~0_27) (= 0 |v_ULTIMATE.start_main_~#t2702~0.offset_15|) (= 0 v_~main$tmp_guard1~0_21) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2702~0.base_21|) (= v_~__unbuffered_cnt~0_163 0) (< 0 |v_#StackHeapBarrier_15|) (= 0 v_~__unbuffered_p2_EAX~0_28) (= (store .cse0 |v_ULTIMATE.start_main_~#t2702~0.base_21| 1) |v_#valid_54|) (= 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_~#t2703~0.offset=|v_ULTIMATE.start_main_~#t2703~0.offset_16|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_9|, 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|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_21, ULTIMATE.start_main_~#t2703~0.base=|v_ULTIMATE.start_main_~#t2703~0.base_22|, ULTIMATE.start_main_~#t2702~0.base=|v_ULTIMATE.start_main_~#t2702~0.base_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, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_39, ULTIMATE.start_main_~#t2704~0.offset=|v_ULTIMATE.start_main_~#t2704~0.offset_14|, #NULL.base=|v_#NULL.base_6|, ULTIMATE.start_main_~#t2702~0.offset=|v_ULTIMATE.start_main_~#t2702~0.offset_15|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_17|, #valid=|v_#valid_54|, #memory_int=|v_#memory_int_13|, ULTIMATE.start_main_~#t2704~0.base=|v_ULTIMATE.start_main_~#t2704~0.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_~#t2703~0.offset, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, ULTIMATE.start_main_~#t2703~0.base, ULTIMATE.start_main_~#t2704~0.offset, #NULL.base, ULTIMATE.start_main_~#t2702~0.offset, ULTIMATE.start_main_~#t2702~0.base, ~__unbuffered_p0_EAX~0, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ULTIMATE.start_main_~#t2704~0.base, ~__unbuffered_cnt~0, ~z~0, ~y~0, ~x~0] {5034#(<= ~x~0 0)} is VALID [2020-07-28 21:48:28,722 INFO L280 TraceCheckUtils]: 1: Hoare triple {5034#(<= ~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] {5034#(<= ~x~0 0)} is VALID [2020-07-28 21:48:28,723 INFO L280 TraceCheckUtils]: 2: Hoare triple {5034#(<= ~x~0 0)} [212] L770-1-->L772: Formula: (and (= 0 (select |v_#valid_37| |v_ULTIMATE.start_main_~#t2703~0.base_12|)) (not (= 0 |v_ULTIMATE.start_main_~#t2703~0.base_12|)) (= (store |v_#memory_int_10| |v_ULTIMATE.start_main_~#t2703~0.base_12| (store (select |v_#memory_int_10| |v_ULTIMATE.start_main_~#t2703~0.base_12|) |v_ULTIMATE.start_main_~#t2703~0.offset_10| 1)) |v_#memory_int_9|) (= |v_#valid_36| (store |v_#valid_37| |v_ULTIMATE.start_main_~#t2703~0.base_12| 1)) (= 0 |v_ULTIMATE.start_main_~#t2703~0.offset_10|) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2703~0.base_12|) (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t2703~0.base_12| 4) |v_#length_15|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_10|, #length=|v_#length_16|} OutVars{ULTIMATE.start_main_~#t2703~0.offset=|v_ULTIMATE.start_main_~#t2703~0.offset_10|, #StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_9|, #length=|v_#length_15|, ULTIMATE.start_main_~#t2703~0.base=|v_ULTIMATE.start_main_~#t2703~0.base_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2703~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length, ULTIMATE.start_main_~#t2703~0.base] {5034#(<= ~x~0 0)} is VALID [2020-07-28 21:48:28,724 INFO L280 TraceCheckUtils]: 3: Hoare triple {5034#(<= ~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] {5034#(<= ~x~0 0)} is VALID [2020-07-28 21:48:28,725 INFO L280 TraceCheckUtils]: 4: Hoare triple {5034#(<= ~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] {5035#(<= ~__unbuffered_p1_EAX~0 0)} is VALID [2020-07-28 21:48:28,726 INFO L280 TraceCheckUtils]: 5: Hoare triple {5035#(<= ~__unbuffered_p1_EAX~0 0)} [198] L772-1-->L774: Formula: (and (= (store |v_#length_14| |v_ULTIMATE.start_main_~#t2704~0.base_9| 4) |v_#length_13|) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t2704~0.base_9|) (= 0 |v_ULTIMATE.start_main_~#t2704~0.offset_9|) (not (= |v_ULTIMATE.start_main_~#t2704~0.base_9| 0)) (= |v_#memory_int_7| (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t2704~0.base_9| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t2704~0.base_9|) |v_ULTIMATE.start_main_~#t2704~0.offset_9| 2))) (= (select |v_#valid_28| |v_ULTIMATE.start_main_~#t2704~0.base_9|) 0) (= |v_#valid_27| (store |v_#valid_28| |v_ULTIMATE.start_main_~#t2704~0.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|, #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_~#t2704~0.base=|v_ULTIMATE.start_main_~#t2704~0.base_9|, #length=|v_#length_13|, ULTIMATE.start_main_~#t2704~0.offset=|v_ULTIMATE.start_main_~#t2704~0.offset_9|} AuxVars[] AssignedVars[#valid, ULTIMATE.start_main_#t~nondet3, #memory_int, ULTIMATE.start_main_~#t2704~0.base, #length, ULTIMATE.start_main_~#t2704~0.offset] {5035#(<= ~__unbuffered_p1_EAX~0 0)} is VALID [2020-07-28 21:48:28,726 INFO L280 TraceCheckUtils]: 6: Hoare triple {5035#(<= ~__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] {5035#(<= ~__unbuffered_p1_EAX~0 0)} is VALID [2020-07-28 21:48:28,727 INFO L280 TraceCheckUtils]: 7: Hoare triple {5035#(<= ~__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] {5035#(<= ~__unbuffered_p1_EAX~0 0)} is VALID [2020-07-28 21:48:28,728 INFO L280 TraceCheckUtils]: 8: Hoare triple {5035#(<= ~__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] {5035#(<= ~__unbuffered_p1_EAX~0 0)} is VALID [2020-07-28 21:48:28,729 INFO L280 TraceCheckUtils]: 9: Hoare triple {5035#(<= ~__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] {5036#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} is VALID [2020-07-28 21:48:28,730 INFO L280 TraceCheckUtils]: 10: Hoare triple {5036#(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 21:48:28,731 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 21:48:28,731 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015032690] [2020-07-28 21:48:28,732 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:48:28,732 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 21:48:28,732 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695631252] [2020-07-28 21:48:28,733 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-07-28 21:48:28,733 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:48:28,733 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 21:48:28,748 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 21:48:28,748 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 21:48:28,748 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:48:28,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 21:48:28,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 21:48:28,749 INFO L87 Difference]: Start difference. First operand 242 states and 670 transitions. Second operand 5 states. [2020-07-28 21:48:28,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:28,915 INFO L93 Difference]: Finished difference Result 302 states and 803 transitions. [2020-07-28 21:48:28,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 21:48:28,916 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-07-28 21:48:28,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:48:28,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:48:28,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 53 transitions. [2020-07-28 21:48:28,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:48:28,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 53 transitions. [2020-07-28 21:48:28,918 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 53 transitions. [2020-07-28 21:48:28,987 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:48:28,990 INFO L225 Difference]: With dead ends: 302 [2020-07-28 21:48:28,991 INFO L226 Difference]: Without dead ends: 146 [2020-07-28 21:48:28,991 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 21:48:28,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-07-28 21:48:28,995 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,995 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,995 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,996 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,996 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,996 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,997 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,997 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,997 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,998 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,998 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,998 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,998 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,999 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,999 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:28,999 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,000 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,000 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,000 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,000 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,001 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,001 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,001 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,002 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,002 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,002 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,003 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,003 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,003 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,003 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,004 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,004 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,004 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,005 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,005 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,005 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,005 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,006 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,006 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,006 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,007 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,007 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,007 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,007 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,008 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,008 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,008 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,009 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,009 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,009 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,010 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,010 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,010 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,010 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,011 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,011 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,011 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,012 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,012 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,012 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,013 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,013 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,013 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,013 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,014 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,014 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,014 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,015 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,015 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,015 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,016 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,016 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,016 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,017 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,017 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,017 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,017 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,018 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,018 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,018 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,019 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,019 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,019 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,020 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,020 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,020 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,020 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,021 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,021 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,021 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,022 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,022 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,022 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,023 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,023 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,023 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,024 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,024 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,024 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,024 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,025 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,025 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,025 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,026 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,026 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,026 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,027 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,027 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,027 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,028 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,028 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,028 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,029 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,029 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,029 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,030 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,030 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,030 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,030 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,031 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,031 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,031 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,032 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,032 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,032 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,033 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,033 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,033 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,034 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,034 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,034 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,034 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,035 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,035 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,035 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,036 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,036 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,036 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,037 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,037 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,037 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,038 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,038 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,038 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,039 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,039 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2020-07-28 21:48:29,040 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:48:29,040 INFO L82 GeneralOperation]: Start isEquivalent. First operand 146 states. Second operand 146 states. [2020-07-28 21:48:29,040 INFO L74 IsIncluded]: Start isIncluded. First operand 146 states. Second operand 146 states. [2020-07-28 21:48:29,040 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 146 states. [2020-07-28 21:48:29,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:29,045 INFO L93 Difference]: Finished difference Result 146 states and 358 transitions. [2020-07-28 21:48:29,046 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 358 transitions. [2020-07-28 21:48:29,046 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:29,046 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:29,047 INFO L74 IsIncluded]: Start isIncluded. First operand 146 states. Second operand 146 states. [2020-07-28 21:48:29,047 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 146 states. [2020-07-28 21:48:29,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:29,052 INFO L93 Difference]: Finished difference Result 146 states and 358 transitions. [2020-07-28 21:48:29,052 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 358 transitions. [2020-07-28 21:48:29,053 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:29,053 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:29,053 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:48:29,053 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:48:29,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-07-28 21:48:29,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 358 transitions. [2020-07-28 21:48:29,058 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 358 transitions. Word has length 11 [2020-07-28 21:48:29,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:48:29,058 INFO L479 AbstractCegarLoop]: Abstraction has 146 states and 358 transitions. [2020-07-28 21:48:29,058 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 21:48:29,059 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 358 transitions. [2020-07-28 21:48:29,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-07-28 21:48:29,059 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:48:29,060 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:48:29,060 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 21:48:29,060 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:48:29,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:48:29,061 INFO L82 PathProgramCache]: Analyzing trace with hash 257080554, now seen corresponding path program 1 times [2020-07-28 21:48:29,061 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:48:29,061 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477258280] [2020-07-28 21:48:29,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:48:29,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:48:29,173 INFO L280 TraceCheckUtils]: 0: Hoare triple {5931#true} [225] ULTIMATE.startENTRY-->L770: Formula: (let ((.cse0 (store |v_#valid_56| 0 0))) (and (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2702~0.base_21| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2702~0.base_21|) |v_ULTIMATE.start_main_~#t2702~0.offset_15| 0)) |v_#memory_int_13|) (= 0 v_~y~0_21) (= 0 v_~z~0_20) (= 0 |v_#NULL.base_6|) (= 0 v_~main$tmp_guard0~0_39) (= (select .cse0 |v_ULTIMATE.start_main_~#t2702~0.base_21|) 0) (= 0 v_~__unbuffered_p1_EAX~0_29) (= 0 |v_#NULL.offset_6|) (= |v_#length_19| (store |v_#length_20| |v_ULTIMATE.start_main_~#t2702~0.base_21| 4)) (= 0 v_~__unbuffered_p0_EAX~0_27) (= 0 |v_ULTIMATE.start_main_~#t2702~0.offset_15|) (= 0 v_~main$tmp_guard1~0_21) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2702~0.base_21|) (= v_~__unbuffered_cnt~0_163 0) (< 0 |v_#StackHeapBarrier_15|) (= 0 v_~__unbuffered_p2_EAX~0_28) (= (store .cse0 |v_ULTIMATE.start_main_~#t2702~0.base_21| 1) |v_#valid_54|) (= 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_~#t2703~0.offset=|v_ULTIMATE.start_main_~#t2703~0.offset_16|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_9|, 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|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_21, ULTIMATE.start_main_~#t2703~0.base=|v_ULTIMATE.start_main_~#t2703~0.base_22|, ULTIMATE.start_main_~#t2702~0.base=|v_ULTIMATE.start_main_~#t2702~0.base_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, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_39, ULTIMATE.start_main_~#t2704~0.offset=|v_ULTIMATE.start_main_~#t2704~0.offset_14|, #NULL.base=|v_#NULL.base_6|, ULTIMATE.start_main_~#t2702~0.offset=|v_ULTIMATE.start_main_~#t2702~0.offset_15|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_17|, #valid=|v_#valid_54|, #memory_int=|v_#memory_int_13|, ULTIMATE.start_main_~#t2704~0.base=|v_ULTIMATE.start_main_~#t2704~0.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_~#t2703~0.offset, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, ULTIMATE.start_main_~#t2703~0.base, ULTIMATE.start_main_~#t2704~0.offset, #NULL.base, ULTIMATE.start_main_~#t2702~0.offset, ULTIMATE.start_main_~#t2702~0.base, ~__unbuffered_p0_EAX~0, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ULTIMATE.start_main_~#t2704~0.base, ~__unbuffered_cnt~0, ~z~0, ~y~0, ~x~0] {5933#(= 0 ~y~0)} is VALID [2020-07-28 21:48:29,174 INFO L280 TraceCheckUtils]: 1: Hoare triple {5933#(= 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] {5933#(= 0 ~y~0)} is VALID [2020-07-28 21:48:29,174 INFO L280 TraceCheckUtils]: 2: Hoare triple {5933#(= 0 ~y~0)} [212] L770-1-->L772: Formula: (and (= 0 (select |v_#valid_37| |v_ULTIMATE.start_main_~#t2703~0.base_12|)) (not (= 0 |v_ULTIMATE.start_main_~#t2703~0.base_12|)) (= (store |v_#memory_int_10| |v_ULTIMATE.start_main_~#t2703~0.base_12| (store (select |v_#memory_int_10| |v_ULTIMATE.start_main_~#t2703~0.base_12|) |v_ULTIMATE.start_main_~#t2703~0.offset_10| 1)) |v_#memory_int_9|) (= |v_#valid_36| (store |v_#valid_37| |v_ULTIMATE.start_main_~#t2703~0.base_12| 1)) (= 0 |v_ULTIMATE.start_main_~#t2703~0.offset_10|) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2703~0.base_12|) (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t2703~0.base_12| 4) |v_#length_15|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_10|, #length=|v_#length_16|} OutVars{ULTIMATE.start_main_~#t2703~0.offset=|v_ULTIMATE.start_main_~#t2703~0.offset_10|, #StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_9|, #length=|v_#length_15|, ULTIMATE.start_main_~#t2703~0.base=|v_ULTIMATE.start_main_~#t2703~0.base_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2703~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length, ULTIMATE.start_main_~#t2703~0.base] {5933#(= 0 ~y~0)} is VALID [2020-07-28 21:48:29,175 INFO L280 TraceCheckUtils]: 3: Hoare triple {5933#(= 0 ~y~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] {5933#(= 0 ~y~0)} is VALID [2020-07-28 21:48:29,176 INFO L280 TraceCheckUtils]: 4: Hoare triple {5933#(= 0 ~y~0)} [150] L717-->L720: Formula: (= v_~x~0_1 1) InVars {} OutVars{~x~0=v_~x~0_1} AuxVars[] AssignedVars[~x~0] {5933#(= 0 ~y~0)} is VALID [2020-07-28 21:48:29,176 INFO L280 TraceCheckUtils]: 5: Hoare triple {5933#(= 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] {5933#(= 0 ~y~0)} is VALID [2020-07-28 21:48:29,177 INFO L280 TraceCheckUtils]: 6: Hoare triple {5933#(= 0 ~y~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] {5933#(= 0 ~y~0)} is VALID [2020-07-28 21:48:29,178 INFO L280 TraceCheckUtils]: 7: Hoare triple {5933#(= 0 ~y~0)} [198] L772-1-->L774: Formula: (and (= (store |v_#length_14| |v_ULTIMATE.start_main_~#t2704~0.base_9| 4) |v_#length_13|) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t2704~0.base_9|) (= 0 |v_ULTIMATE.start_main_~#t2704~0.offset_9|) (not (= |v_ULTIMATE.start_main_~#t2704~0.base_9| 0)) (= |v_#memory_int_7| (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t2704~0.base_9| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t2704~0.base_9|) |v_ULTIMATE.start_main_~#t2704~0.offset_9| 2))) (= (select |v_#valid_28| |v_ULTIMATE.start_main_~#t2704~0.base_9|) 0) (= |v_#valid_27| (store |v_#valid_28| |v_ULTIMATE.start_main_~#t2704~0.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|, #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_~#t2704~0.base=|v_ULTIMATE.start_main_~#t2704~0.base_9|, #length=|v_#length_13|, ULTIMATE.start_main_~#t2704~0.offset=|v_ULTIMATE.start_main_~#t2704~0.offset_9|} AuxVars[] AssignedVars[#valid, ULTIMATE.start_main_#t~nondet3, #memory_int, ULTIMATE.start_main_~#t2704~0.base, #length, ULTIMATE.start_main_~#t2704~0.offset] {5933#(= 0 ~y~0)} is VALID [2020-07-28 21:48:29,178 INFO L280 TraceCheckUtils]: 8: Hoare triple {5933#(= 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] {5933#(= 0 ~y~0)} is VALID [2020-07-28 21:48:29,179 INFO L280 TraceCheckUtils]: 9: Hoare triple {5933#(= 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] {5934#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:48:29,180 INFO L280 TraceCheckUtils]: 10: Hoare triple {5934#(= 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] {5934#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:48:29,181 INFO L280 TraceCheckUtils]: 11: Hoare triple {5934#(= 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] {5935#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} is VALID [2020-07-28 21:48:29,182 INFO L280 TraceCheckUtils]: 12: Hoare triple {5935#(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] {5932#false} is VALID [2020-07-28 21:48:29,183 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 21:48:29,183 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477258280] [2020-07-28 21:48:29,184 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:48:29,184 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 21:48:29,184 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345700223] [2020-07-28 21:48:29,184 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-07-28 21:48:29,185 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:48:29,185 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 21:48:29,201 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 21:48:29,201 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 21:48:29,201 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:48:29,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 21:48:29,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 21:48:29,202 INFO L87 Difference]: Start difference. First operand 146 states and 358 transitions. Second operand 5 states. [2020-07-28 21:48:29,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:29,335 INFO L93 Difference]: Finished difference Result 176 states and 423 transitions. [2020-07-28 21:48:29,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 21:48:29,336 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-07-28 21:48:29,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:48:29,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:48:29,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 42 transitions. [2020-07-28 21:48:29,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:48:29,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 42 transitions. [2020-07-28 21:48:29,338 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 42 transitions. [2020-07-28 21:48:29,395 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 42 edges. 42 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:48:29,397 INFO L225 Difference]: With dead ends: 176 [2020-07-28 21:48:29,397 INFO L226 Difference]: Without dead ends: 98 [2020-07-28 21:48:29,398 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 21:48:29,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-07-28 21:48:29,400 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,400 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,401 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,401 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,401 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,401 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,402 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,402 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,402 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,402 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,403 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,403 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,403 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,403 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,404 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,404 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,404 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,404 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,405 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,405 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,405 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,405 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,406 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,406 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,406 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,406 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,407 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,407 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,407 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,407 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,408 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,408 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,408 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,408 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,409 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,409 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,409 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,409 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,410 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,410 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,410 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,410 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,411 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,411 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,411 WARN L146 ateFactoryRefinement]: Check not implemented [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 21:48:29,412 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 21:48:29,413 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 21:48:29,415 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 21:48:29,416 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 21:48:29,418 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 21:48:29,419 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 21:48:29,421 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,422 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,422 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,422 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,422 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,423 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,423 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,423 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,423 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,424 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,424 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,424 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,424 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:29,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2020-07-28 21:48:29,425 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:48:29,425 INFO L82 GeneralOperation]: Start isEquivalent. First operand 98 states. Second operand 98 states. [2020-07-28 21:48:29,425 INFO L74 IsIncluded]: Start isIncluded. First operand 98 states. Second operand 98 states. [2020-07-28 21:48:29,426 INFO L87 Difference]: Start difference. First operand 98 states. Second operand 98 states. [2020-07-28 21:48:29,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:29,429 INFO L93 Difference]: Finished difference Result 98 states and 218 transitions. [2020-07-28 21:48:29,429 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 218 transitions. [2020-07-28 21:48:29,430 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:29,430 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:29,430 INFO L74 IsIncluded]: Start isIncluded. First operand 98 states. Second operand 98 states. [2020-07-28 21:48:29,430 INFO L87 Difference]: Start difference. First operand 98 states. Second operand 98 states. [2020-07-28 21:48:29,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:29,433 INFO L93 Difference]: Finished difference Result 98 states and 218 transitions. [2020-07-28 21:48:29,433 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 218 transitions. [2020-07-28 21:48:29,433 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:29,434 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:29,434 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:48:29,434 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:48:29,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-07-28 21:48:29,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 218 transitions. [2020-07-28 21:48:29,437 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 218 transitions. Word has length 13 [2020-07-28 21:48:29,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:48:29,437 INFO L479 AbstractCegarLoop]: Abstraction has 98 states and 218 transitions. [2020-07-28 21:48:29,437 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 21:48:29,438 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 218 transitions. [2020-07-28 21:48:29,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-07-28 21:48:29,438 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:48:29,438 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:48:29,438 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 21:48:29,439 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:48:29,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:48:29,439 INFO L82 PathProgramCache]: Analyzing trace with hash -647415272, now seen corresponding path program 1 times [2020-07-28 21:48:29,440 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:48:29,440 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422087185] [2020-07-28 21:48:29,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:48:29,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:48:29,556 INFO L280 TraceCheckUtils]: 0: Hoare triple {6512#true} [225] ULTIMATE.startENTRY-->L770: Formula: (let ((.cse0 (store |v_#valid_56| 0 0))) (and (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2702~0.base_21| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2702~0.base_21|) |v_ULTIMATE.start_main_~#t2702~0.offset_15| 0)) |v_#memory_int_13|) (= 0 v_~y~0_21) (= 0 v_~z~0_20) (= 0 |v_#NULL.base_6|) (= 0 v_~main$tmp_guard0~0_39) (= (select .cse0 |v_ULTIMATE.start_main_~#t2702~0.base_21|) 0) (= 0 v_~__unbuffered_p1_EAX~0_29) (= 0 |v_#NULL.offset_6|) (= |v_#length_19| (store |v_#length_20| |v_ULTIMATE.start_main_~#t2702~0.base_21| 4)) (= 0 v_~__unbuffered_p0_EAX~0_27) (= 0 |v_ULTIMATE.start_main_~#t2702~0.offset_15|) (= 0 v_~main$tmp_guard1~0_21) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2702~0.base_21|) (= v_~__unbuffered_cnt~0_163 0) (< 0 |v_#StackHeapBarrier_15|) (= 0 v_~__unbuffered_p2_EAX~0_28) (= (store .cse0 |v_ULTIMATE.start_main_~#t2702~0.base_21| 1) |v_#valid_54|) (= 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_~#t2703~0.offset=|v_ULTIMATE.start_main_~#t2703~0.offset_16|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_9|, 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|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_21, ULTIMATE.start_main_~#t2703~0.base=|v_ULTIMATE.start_main_~#t2703~0.base_22|, ULTIMATE.start_main_~#t2702~0.base=|v_ULTIMATE.start_main_~#t2702~0.base_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, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_39, ULTIMATE.start_main_~#t2704~0.offset=|v_ULTIMATE.start_main_~#t2704~0.offset_14|, #NULL.base=|v_#NULL.base_6|, ULTIMATE.start_main_~#t2702~0.offset=|v_ULTIMATE.start_main_~#t2702~0.offset_15|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_17|, #valid=|v_#valid_54|, #memory_int=|v_#memory_int_13|, ULTIMATE.start_main_~#t2704~0.base=|v_ULTIMATE.start_main_~#t2704~0.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_~#t2703~0.offset, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, ULTIMATE.start_main_~#t2703~0.base, ULTIMATE.start_main_~#t2704~0.offset, #NULL.base, ULTIMATE.start_main_~#t2702~0.offset, ULTIMATE.start_main_~#t2702~0.base, ~__unbuffered_p0_EAX~0, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ULTIMATE.start_main_~#t2704~0.base, ~__unbuffered_cnt~0, ~z~0, ~y~0, ~x~0] {6514#(= 0 ~z~0)} is VALID [2020-07-28 21:48:29,560 INFO L280 TraceCheckUtils]: 1: Hoare triple {6514#(= 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] {6514#(= 0 ~z~0)} is VALID [2020-07-28 21:48:29,561 INFO L280 TraceCheckUtils]: 2: Hoare triple {6514#(= 0 ~z~0)} [212] L770-1-->L772: Formula: (and (= 0 (select |v_#valid_37| |v_ULTIMATE.start_main_~#t2703~0.base_12|)) (not (= 0 |v_ULTIMATE.start_main_~#t2703~0.base_12|)) (= (store |v_#memory_int_10| |v_ULTIMATE.start_main_~#t2703~0.base_12| (store (select |v_#memory_int_10| |v_ULTIMATE.start_main_~#t2703~0.base_12|) |v_ULTIMATE.start_main_~#t2703~0.offset_10| 1)) |v_#memory_int_9|) (= |v_#valid_36| (store |v_#valid_37| |v_ULTIMATE.start_main_~#t2703~0.base_12| 1)) (= 0 |v_ULTIMATE.start_main_~#t2703~0.offset_10|) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2703~0.base_12|) (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t2703~0.base_12| 4) |v_#length_15|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_10|, #length=|v_#length_16|} OutVars{ULTIMATE.start_main_~#t2703~0.offset=|v_ULTIMATE.start_main_~#t2703~0.offset_10|, #StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_9|, #length=|v_#length_15|, ULTIMATE.start_main_~#t2703~0.base=|v_ULTIMATE.start_main_~#t2703~0.base_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2703~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length, ULTIMATE.start_main_~#t2703~0.base] {6514#(= 0 ~z~0)} is VALID [2020-07-28 21:48:29,561 INFO L280 TraceCheckUtils]: 3: Hoare triple {6514#(= 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] {6515#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:48:29,562 INFO L280 TraceCheckUtils]: 4: Hoare triple {6515#(= 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] {6515#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:48:29,563 INFO L280 TraceCheckUtils]: 5: Hoare triple {6515#(= 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] {6515#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:48:29,563 INFO L280 TraceCheckUtils]: 6: Hoare triple {6515#(= 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] {6515#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:48:29,564 INFO L280 TraceCheckUtils]: 7: Hoare triple {6515#(= 0 ~__unbuffered_p0_EAX~0)} [198] L772-1-->L774: Formula: (and (= (store |v_#length_14| |v_ULTIMATE.start_main_~#t2704~0.base_9| 4) |v_#length_13|) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t2704~0.base_9|) (= 0 |v_ULTIMATE.start_main_~#t2704~0.offset_9|) (not (= |v_ULTIMATE.start_main_~#t2704~0.base_9| 0)) (= |v_#memory_int_7| (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t2704~0.base_9| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t2704~0.base_9|) |v_ULTIMATE.start_main_~#t2704~0.offset_9| 2))) (= (select |v_#valid_28| |v_ULTIMATE.start_main_~#t2704~0.base_9|) 0) (= |v_#valid_27| (store |v_#valid_28| |v_ULTIMATE.start_main_~#t2704~0.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|, #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_~#t2704~0.base=|v_ULTIMATE.start_main_~#t2704~0.base_9|, #length=|v_#length_13|, ULTIMATE.start_main_~#t2704~0.offset=|v_ULTIMATE.start_main_~#t2704~0.offset_9|} AuxVars[] AssignedVars[#valid, ULTIMATE.start_main_#t~nondet3, #memory_int, ULTIMATE.start_main_~#t2704~0.base, #length, ULTIMATE.start_main_~#t2704~0.offset] {6515#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:48:29,565 INFO L280 TraceCheckUtils]: 8: Hoare triple {6515#(= 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] {6515#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:48:29,565 INFO L280 TraceCheckUtils]: 9: Hoare triple {6515#(= 0 ~__unbuffered_p0_EAX~0)} [156] L732-->L735: Formula: (= v_~y~0_1 1) InVars {} OutVars{~y~0=v_~y~0_1} AuxVars[] AssignedVars[~y~0] {6515#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:48:29,568 INFO L280 TraceCheckUtils]: 10: Hoare triple {6515#(= 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] {6515#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:48:29,569 INFO L280 TraceCheckUtils]: 11: Hoare triple {6515#(= 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] {6515#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:48:29,570 INFO L280 TraceCheckUtils]: 12: Hoare triple {6515#(= 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] {6516#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} is VALID [2020-07-28 21:48:29,571 INFO L280 TraceCheckUtils]: 13: Hoare triple {6516#(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] {6513#false} is VALID [2020-07-28 21:48:29,571 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 21:48:29,572 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422087185] [2020-07-28 21:48:29,572 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:48:29,572 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 21:48:29,572 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984951096] [2020-07-28 21:48:29,572 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-07-28 21:48:29,573 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:48:29,573 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 21:48:29,594 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 21:48:29,594 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 21:48:29,594 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:48:29,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 21:48:29,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 21:48:29,595 INFO L87 Difference]: Start difference. First operand 98 states and 218 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 86 states and 186 transitions. [2020-07-28 21:48:29,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 21:48:29,692 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-07-28 21:48:29,692 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 29 transitions. [2020-07-28 21:48:29,694 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 29 transitions. [2020-07-28 21:48:29,694 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 29 transitions. [2020-07-28 21:48:29,734 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 21:48:29,734 INFO L225 Difference]: With dead ends: 86 [2020-07-28 21:48:29,734 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 21:48:29,735 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 21:48:29,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 21:48:29,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 21:48:29,736 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:48:29,736 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 21:48:29,736 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 21:48:29,736 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 21:48:29,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:29,737 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 21:48:29,737 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 21:48:29,737 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:29,737 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:29,737 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 21:48:29,737 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 21:48:29,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:29,738 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 21:48:29,738 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 21:48:29,738 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:29,738 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:29,738 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:48:29,739 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:48:29,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 21:48:29,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 21:48:29,739 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2020-07-28 21:48:29,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:48:29,739 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 21:48:29,739 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 21:48:29,739 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 21:48:29,740 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:29,740 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 21:48:29,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 09:48:29 BasicIcfg [2020-07-28 21:48:29,744 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 21:48:29,744 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 21:48:29,745 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 21:48:29,745 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 21:48:29,745 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 21:48:29,749 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 21:48:29,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2020-07-28 21:48:29,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2020-07-28 21:48:29,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2020-07-28 21:48:29,763 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-07-28 21:48:29,763 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-07-28 21:48:29,763 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 21:48:29,837 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 21:48:29,837 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 21:48:29,844 INFO L168 Benchmark]: Toolchain (without parser) took 6420.03 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 305.1 MB). Free memory was 952.2 MB in the beginning and 1.2 GB in the end (delta: -237.9 MB). Peak memory consumption was 67.2 MB. Max. memory is 11.5 GB. [2020-07-28 21:48:29,844 INFO L168 Benchmark]: CDTParser took 0.75 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 21:48:29,845 INFO L168 Benchmark]: CACSL2BoogieTranslator took 666.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -146.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2020-07-28 21:48:29,845 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.17 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 21:48:29,846 INFO L168 Benchmark]: Boogie Preprocessor took 30.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-28 21:48:29,852 INFO L168 Benchmark]: RCFGBuilder took 492.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.6 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. [2020-07-28 21:48:29,852 INFO L168 Benchmark]: TraceAbstraction took 5072.92 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 163.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -128.7 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2020-07-28 21:48:29,853 INFO L168 Benchmark]: Witness Printer took 93.09 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 21:48:29,855 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 0.75 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 666.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -146.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 53.17 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 492.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.6 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5072.92 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 163.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -128.7 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Witness Printer took 93.09 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.2s, 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: 4.9s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.2s, HoareTripleCheckerStatistics: 133 SDtfs, 140 SDslu, 169 SDs, 0 SdLazy, 40 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 24 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: 0.5s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 65 NumberOfCodeBlocks, 65 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 59 ConstructedInterpolants, 0 QuantifiedInterpolants, 2035 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...