./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/thin001_pso.oepc.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/thin001_pso.oepc.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a8e341e65efa31a090f3f1ea2f8d9871f3752f64 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 21:48:11,599 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 21:48:11,602 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 21:48:11,613 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 21:48:11,614 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 21:48:11,615 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 21:48:11,617 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 21:48:11,619 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 21:48:11,620 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 21:48:11,621 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 21:48:11,622 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 21:48:11,624 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 21:48:11,624 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 21:48:11,625 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 21:48:11,626 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 21:48:11,627 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 21:48:11,628 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 21:48:11,629 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 21:48:11,631 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 21:48:11,633 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 21:48:11,635 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 21:48:11,636 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 21:48:11,637 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 21:48:11,638 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 21:48:11,641 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 21:48:11,641 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 21:48:11,642 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 21:48:11,643 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 21:48:11,643 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 21:48:11,644 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 21:48:11,644 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 21:48:11,645 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 21:48:11,646 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 21:48:11,647 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 21:48:11,648 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 21:48:11,648 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 21:48:11,649 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 21:48:11,649 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 21:48:11,650 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 21:48:11,651 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 21:48:11,652 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 21:48:11,652 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 21:48:11,667 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 21:48:11,668 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 21:48:11,669 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 21:48:11,669 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 21:48:11,669 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 21:48:11,670 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 21:48:11,670 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 21:48:11,670 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 21:48:11,670 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 21:48:11,671 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 21:48:11,671 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 21:48:11,671 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 21:48:11,672 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 21:48:11,672 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 21:48:11,672 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 21:48:11,672 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 21:48:11,673 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 21:48:11,673 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 21:48:11,673 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 21:48:11,674 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 21:48:11,674 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 21:48:11,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 21:48:11,675 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 21:48:11,675 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 21:48:11,675 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 21:48:11,675 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 21:48:11,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 21:48:11,676 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 21:48:11,676 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 21:48:11,676 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 -> a8e341e65efa31a090f3f1ea2f8d9871f3752f64 [2020-07-28 21:48:11,971 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 21:48:11,984 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 21:48:11,987 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 21:48:11,989 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 21:48:11,989 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 21:48:11,990 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/thin001_pso.oepc.i [2020-07-28 21:48:12,047 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e263f9737/54f8072d4d6f47f6ad3400b61f955588/FLAG678a7da14 [2020-07-28 21:48:12,578 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 21:48:12,579 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/thin001_pso.oepc.i [2020-07-28 21:48:12,598 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e263f9737/54f8072d4d6f47f6ad3400b61f955588/FLAG678a7da14 [2020-07-28 21:48:12,930 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e263f9737/54f8072d4d6f47f6ad3400b61f955588 [2020-07-28 21:48:12,932 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 21:48:12,935 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 21:48:12,936 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 21:48:12,936 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 21:48:12,940 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 21:48:12,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 09:48:12" (1/1) ... [2020-07-28 21:48:12,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e00461d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:48:12, skipping insertion in model container [2020-07-28 21:48:12,944 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 09:48:12" (1/1) ... [2020-07-28 21:48:12,951 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 21:48:12,996 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 21:48:13,454 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 21:48:13,469 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 21:48:13,534 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 21:48:13,609 INFO L208 MainTranslator]: Completed translation [2020-07-28 21:48:13,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:48:13 WrapperNode [2020-07-28 21:48:13,610 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 21:48:13,611 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 21:48:13,611 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 21:48:13,612 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 21:48:13,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:48:13" (1/1) ... [2020-07-28 21:48:13,638 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:48:13" (1/1) ... [2020-07-28 21:48:13,663 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 21:48:13,663 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 21:48:13,664 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 21:48:13,664 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 21:48:13,672 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:48:13" (1/1) ... [2020-07-28 21:48:13,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:48:13" (1/1) ... [2020-07-28 21:48:13,677 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:48:13" (1/1) ... [2020-07-28 21:48:13,677 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:48:13" (1/1) ... [2020-07-28 21:48:13,689 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:48:13" (1/1) ... [2020-07-28 21:48:13,692 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:48:13" (1/1) ... [2020-07-28 21:48:13,694 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:48:13" (1/1) ... [2020-07-28 21:48:13,698 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 21:48:13,698 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 21:48:13,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 21:48:13,698 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 21:48:13,699 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:48:13" (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 21:48:13,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-28 21:48:13,767 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-07-28 21:48:13,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 21:48:13,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 21:48:13,768 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-07-28 21:48:13,768 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-07-28 21:48:13,768 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-07-28 21:48:13,768 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-07-28 21:48:13,768 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-07-28 21:48:13,769 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-07-28 21:48:13,769 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-07-28 21:48:13,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 21:48:13,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 21:48:13,771 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 21:48:14,219 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 21:48:14,220 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-07-28 21:48:14,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 09:48:14 BoogieIcfgContainer [2020-07-28 21:48:14,224 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 21:48:14,225 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 21:48:14,225 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 21:48:14,231 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 21:48:14,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 09:48:12" (1/3) ... [2020-07-28 21:48:14,232 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a2e7e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 09:48:14, skipping insertion in model container [2020-07-28 21:48:14,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:48:13" (2/3) ... [2020-07-28 21:48:14,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a2e7e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 09:48:14, skipping insertion in model container [2020-07-28 21:48:14,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 09:48:14" (3/3) ... [2020-07-28 21:48:14,235 INFO L109 eAbstractionObserver]: Analyzing ICFG thin001_pso.oepc.i [2020-07-28 21:48:14,245 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-07-28 21:48:14,245 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 21:48:14,254 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 21:48:14,255 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-07-28 21:48:14,286 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:14,287 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:14,287 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:14,287 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:14,288 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:14,288 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:14,289 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:14,289 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:14,289 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:14,289 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:14,290 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:14,290 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:14,290 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:14,291 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:14,291 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:14,291 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:14,291 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:14,292 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:14,295 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:14,296 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:14,296 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:14,296 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:14,305 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:14,306 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:14,306 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:14,306 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:14,308 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:14,308 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:14,309 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:14,309 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:14,325 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-07-28 21:48:14,344 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 21:48:14,345 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 21:48:14,345 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 21:48:14,345 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 21:48:14,345 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 21:48:14,345 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 21:48:14,345 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 21:48:14,346 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 21:48:14,360 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 71 transitions, 157 flow [2020-07-28 21:48:14,362 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 71 transitions, 157 flow [2020-07-28 21:48:14,406 INFO L129 PetriNetUnfolder]: 2/68 cut-off events. [2020-07-28 21:48:14,406 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-07-28 21:48:14,411 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 21:48:14,414 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 71 transitions, 157 flow [2020-07-28 21:48:14,435 INFO L129 PetriNetUnfolder]: 2/68 cut-off events. [2020-07-28 21:48:14,436 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-07-28 21:48:14,436 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 21:48:14,438 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1260 [2020-07-28 21:48:14,439 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-07-28 21:48:16,529 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2463 [2020-07-28 21:48:16,530 INFO L214 etLargeBlockEncoding]: Total number of compositions: 57 [2020-07-28 21:48:16,535 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 32 places, 23 transitions, 61 flow [2020-07-28 21:48:16,578 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 362 states. [2020-07-28 21:48:16,580 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states. [2020-07-28 21:48:16,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-07-28 21:48:16,610 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:48:16,611 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:48:16,612 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:48:16,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:48:16,618 INFO L82 PathProgramCache]: Analyzing trace with hash -691335731, now seen corresponding path program 1 times [2020-07-28 21:48:16,628 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:48:16,629 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851674109] [2020-07-28 21:48:16,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:48:16,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:48:16,840 INFO L280 TraceCheckUtils]: 0: Hoare triple {806#true} [225] ULTIMATE.startENTRY-->L770: Formula: (let ((.cse0 (store |v_#valid_56| 0 0))) (and (= 0 v_~y~0_21) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2687~0.base_21|) (= 0 |v_ULTIMATE.start_main_~#t2687~0.offset_15|) (= (store |v_#length_20| |v_ULTIMATE.start_main_~#t2687~0.base_21| 4) |v_#length_19|) (= 0 v_~z~0_20) (= 0 |v_#NULL.base_6|) (= 0 v_~main$tmp_guard0~0_39) (= (select .cse0 |v_ULTIMATE.start_main_~#t2687~0.base_21|) 0) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2687~0.base_21| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2687~0.base_21|) |v_ULTIMATE.start_main_~#t2687~0.offset_15| 0)) |v_#memory_int_13|) (= 0 v_~__unbuffered_p1_EAX~0_29) (= 0 |v_#NULL.offset_6|) (= 0 v_~__unbuffered_p0_EAX~0_27) (= |v_#valid_54| (store .cse0 |v_ULTIMATE.start_main_~#t2687~0.base_21| 1)) (= 0 v_~main$tmp_guard1~0_21) (= v_~__unbuffered_cnt~0_163 0) (< 0 |v_#StackHeapBarrier_15|) (= 0 v_~__unbuffered_p2_EAX~0_28) (= 0 v_~x~0_24))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_56|, #memory_int=|v_#memory_int_14|, #length=|v_#length_20|} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_9|, ULTIMATE.start_main_~#t2689~0.offset=|v_ULTIMATE.start_main_~#t2689~0.offset_14|, 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_~#t2687~0.base=|v_ULTIMATE.start_main_~#t2687~0.base_21|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_27, ULTIMATE.start_main_~#t2688~0.offset=|v_ULTIMATE.start_main_~#t2688~0.offset_16|, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_29, #length=|v_#length_19|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_28, ~y~0=v_~y~0_21, ULTIMATE.start_main_~#t2689~0.base=|v_ULTIMATE.start_main_~#t2689~0.base_19|, ULTIMATE.start_main_~#t2687~0.offset=|v_ULTIMATE.start_main_~#t2687~0.offset_15|, ULTIMATE.start_main_~#t2688~0.base=|v_ULTIMATE.start_main_~#t2688~0.base_22|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_39, #NULL.base=|v_#NULL.base_6|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_17|, #valid=|v_#valid_54|, #memory_int=|v_#memory_int_13|, ~__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_~#t2687~0.offset, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t2689~0.offset, ULTIMATE.start_main_~#t2688~0.base, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t2687~0.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t2688~0.offset, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ULTIMATE.start_main_~#t2689~0.base, ~x~0] {806#true} is VALID [2020-07-28 21:48:16,840 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 21:48:16,841 INFO L280 TraceCheckUtils]: 2: Hoare triple {806#true} [212] L770-1-->L772: Formula: (and (not (= 0 |v_ULTIMATE.start_main_~#t2688~0.base_12|)) (= (store |v_#valid_37| |v_ULTIMATE.start_main_~#t2688~0.base_12| 1) |v_#valid_36|) (= 0 |v_ULTIMATE.start_main_~#t2688~0.offset_10|) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2688~0.base_12|) (= (store |v_#memory_int_10| |v_ULTIMATE.start_main_~#t2688~0.base_12| (store (select |v_#memory_int_10| |v_ULTIMATE.start_main_~#t2688~0.base_12|) |v_ULTIMATE.start_main_~#t2688~0.offset_10| 1)) |v_#memory_int_9|) (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t2688~0.base_12| 4) |v_#length_15|) (= 0 (select |v_#valid_37| |v_ULTIMATE.start_main_~#t2688~0.base_12|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_10|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t2688~0.offset=|v_ULTIMATE.start_main_~#t2688~0.offset_10|, ULTIMATE.start_main_~#t2688~0.base=|v_ULTIMATE.start_main_~#t2688~0.base_12|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_9|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2688~0.offset, ULTIMATE.start_main_~#t2688~0.base, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {806#true} is VALID [2020-07-28 21:48:16,841 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 21:48:16,842 INFO L280 TraceCheckUtils]: 4: Hoare triple {806#true} [198] L772-1-->L774: Formula: (and (= 0 (select |v_#valid_28| |v_ULTIMATE.start_main_~#t2689~0.base_9|)) (= |v_#valid_27| (store |v_#valid_28| |v_ULTIMATE.start_main_~#t2689~0.base_9| 1)) (= |v_#memory_int_7| (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t2689~0.base_9| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t2689~0.base_9|) |v_ULTIMATE.start_main_~#t2689~0.offset_9| 2))) (= |v_#length_13| (store |v_#length_14| |v_ULTIMATE.start_main_~#t2689~0.base_9| 4)) (not (= 0 |v_ULTIMATE.start_main_~#t2689~0.base_9|)) (= 0 |v_ULTIMATE.start_main_~#t2689~0.offset_9|) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t2689~0.base_9|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_28|, #memory_int=|v_#memory_int_8|, #length=|v_#length_14|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_9|, ULTIMATE.start_main_~#t2689~0.offset=|v_ULTIMATE.start_main_~#t2689~0.offset_9|, #valid=|v_#valid_27|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_7|, #length=|v_#length_13|, ULTIMATE.start_main_~#t2689~0.base=|v_ULTIMATE.start_main_~#t2689~0.base_9|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2689~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t2689~0.base] {806#true} is VALID [2020-07-28 21:48:16,842 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 21:48:16,845 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 21:48:16,846 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 21:48:16,848 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 21:48:16,849 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851674109] [2020-07-28 21:48:16,850 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:48:16,850 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 21:48:16,851 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510698175] [2020-07-28 21:48:16,855 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-07-28 21:48:16,856 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:48:16,860 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 21:48:16,875 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 21:48:16,875 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 21:48:16,875 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:48:16,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 21:48:16,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 21:48:16,887 INFO L87 Difference]: Start difference. First operand 362 states. Second operand 2 states. [2020-07-28 21:48:17,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:17,018 INFO L93 Difference]: Finished difference Result 362 states and 1072 transitions. [2020-07-28 21:48:17,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 21:48:17,019 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-07-28 21:48:17,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:48:17,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 21:48:17,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 20 transitions. [2020-07-28 21:48:17,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 21:48:17,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 20 transitions. [2020-07-28 21:48:17,025 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 20 transitions. [2020-07-28 21:48:17,055 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 21:48:17,091 INFO L225 Difference]: With dead ends: 362 [2020-07-28 21:48:17,091 INFO L226 Difference]: Without dead ends: 298 [2020-07-28 21:48:17,093 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 21:48:17,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2020-07-28 21:48:17,144 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,145 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,146 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,146 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,146 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,146 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,147 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,147 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,147 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,147 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,148 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,148 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,148 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,148 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,149 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,149 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,149 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,149 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,150 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,150 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,150 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,150 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,151 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,151 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,151 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,151 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,152 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,152 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,152 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,152 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,153 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,153 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,153 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,153 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,153 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,154 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,154 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,154 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,154 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,155 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,155 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,155 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,155 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,156 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,156 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,156 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,156 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,157 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,157 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,157 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,157 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,158 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,158 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,158 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,158 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,158 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,159 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,159 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,159 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,159 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,160 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,160 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,160 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,160 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,161 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,161 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,161 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,161 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,162 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,162 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,162 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,162 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,163 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,163 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,163 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,163 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,163 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,164 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,164 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,164 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,164 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,165 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,165 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,165 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,165 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,166 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,166 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,166 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,166 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,166 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,167 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,167 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,167 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,167 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,168 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,168 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,168 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,168 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,169 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,169 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,169 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,169 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,170 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,170 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,170 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,170 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,171 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,171 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,171 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,171 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,172 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,172 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,172 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,172 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,173 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,173 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,173 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,173 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,174 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,174 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,174 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,174 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,174 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,175 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,175 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,175 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,175 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,176 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,176 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,176 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,176 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,177 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,177 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,177 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,177 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,178 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,178 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,178 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,178 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,179 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,179 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,179 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,182 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,183 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,183 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,183 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,183 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,183 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,183 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,184 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,184 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,184 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,184 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,184 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,184 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,185 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,185 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,185 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,185 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,185 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,186 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,186 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,186 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,186 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,187 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,187 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,187 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,187 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,188 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,188 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,188 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,188 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,189 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,189 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,189 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,189 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,190 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,190 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,190 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,190 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,190 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,191 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,191 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,191 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,191 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,192 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,192 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,192 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,192 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,192 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,193 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,193 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,193 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,193 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,194 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,194 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,194 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,194 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,195 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,195 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,195 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,195 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,195 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,196 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,196 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,196 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,196 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,197 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,197 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,197 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,197 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,198 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,198 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,198 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,198 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,198 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,199 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,199 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,199 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,199 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,200 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,200 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,200 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,200 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,201 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,201 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,201 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,201 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,202 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,202 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,202 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,202 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,202 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,203 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,203 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,203 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,203 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,204 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,204 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,204 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,204 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,204 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,205 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,205 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,205 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,205 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,206 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,206 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,206 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,206 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,207 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,207 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,207 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,207 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,207 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,208 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,208 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,208 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,208 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,209 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,209 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,209 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,210 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,210 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,210 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,210 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,211 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,211 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,211 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,211 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,212 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,212 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,212 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,212 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,212 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,213 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,213 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,213 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,213 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,214 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,214 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,214 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,214 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,215 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,215 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,215 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,215 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,215 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,216 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,216 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,216 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,216 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,217 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,217 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,217 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,217 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,218 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,218 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298. [2020-07-28 21:48:17,220 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:48:17,221 INFO L82 GeneralOperation]: Start isEquivalent. First operand 298 states. Second operand 298 states. [2020-07-28 21:48:17,221 INFO L74 IsIncluded]: Start isIncluded. First operand 298 states. Second operand 298 states. [2020-07-28 21:48:17,221 INFO L87 Difference]: Start difference. First operand 298 states. Second operand 298 states. [2020-07-28 21:48:17,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:17,253 INFO L93 Difference]: Finished difference Result 298 states and 864 transitions. [2020-07-28 21:48:17,254 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 864 transitions. [2020-07-28 21:48:17,263 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:17,263 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:17,263 INFO L74 IsIncluded]: Start isIncluded. First operand 298 states. Second operand 298 states. [2020-07-28 21:48:17,263 INFO L87 Difference]: Start difference. First operand 298 states. Second operand 298 states. [2020-07-28 21:48:17,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:17,296 INFO L93 Difference]: Finished difference Result 298 states and 864 transitions. [2020-07-28 21:48:17,296 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 864 transitions. [2020-07-28 21:48:17,299 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:17,299 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:17,299 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:48:17,300 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:48:17,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-07-28 21:48:17,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 864 transitions. [2020-07-28 21:48:17,325 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 864 transitions. Word has length 8 [2020-07-28 21:48:17,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:48:17,325 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 864 transitions. [2020-07-28 21:48:17,325 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 21:48:17,325 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 864 transitions. [2020-07-28 21:48:17,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-07-28 21:48:17,326 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:48:17,327 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:48:17,327 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 21:48:17,327 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:48:17,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:48:17,327 INFO L82 PathProgramCache]: Analyzing trace with hash 43425274, now seen corresponding path program 1 times [2020-07-28 21:48:17,328 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:48:17,328 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031334216] [2020-07-28 21:48:17,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:48:17,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:48:17,474 INFO L280 TraceCheckUtils]: 0: Hoare triple {2364#true} [225] ULTIMATE.startENTRY-->L770: Formula: (let ((.cse0 (store |v_#valid_56| 0 0))) (and (= 0 v_~y~0_21) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2687~0.base_21|) (= 0 |v_ULTIMATE.start_main_~#t2687~0.offset_15|) (= (store |v_#length_20| |v_ULTIMATE.start_main_~#t2687~0.base_21| 4) |v_#length_19|) (= 0 v_~z~0_20) (= 0 |v_#NULL.base_6|) (= 0 v_~main$tmp_guard0~0_39) (= (select .cse0 |v_ULTIMATE.start_main_~#t2687~0.base_21|) 0) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2687~0.base_21| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2687~0.base_21|) |v_ULTIMATE.start_main_~#t2687~0.offset_15| 0)) |v_#memory_int_13|) (= 0 v_~__unbuffered_p1_EAX~0_29) (= 0 |v_#NULL.offset_6|) (= 0 v_~__unbuffered_p0_EAX~0_27) (= |v_#valid_54| (store .cse0 |v_ULTIMATE.start_main_~#t2687~0.base_21| 1)) (= 0 v_~main$tmp_guard1~0_21) (= v_~__unbuffered_cnt~0_163 0) (< 0 |v_#StackHeapBarrier_15|) (= 0 v_~__unbuffered_p2_EAX~0_28) (= 0 v_~x~0_24))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_56|, #memory_int=|v_#memory_int_14|, #length=|v_#length_20|} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_9|, ULTIMATE.start_main_~#t2689~0.offset=|v_ULTIMATE.start_main_~#t2689~0.offset_14|, 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_~#t2687~0.base=|v_ULTIMATE.start_main_~#t2687~0.base_21|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_27, ULTIMATE.start_main_~#t2688~0.offset=|v_ULTIMATE.start_main_~#t2688~0.offset_16|, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_29, #length=|v_#length_19|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_28, ~y~0=v_~y~0_21, ULTIMATE.start_main_~#t2689~0.base=|v_ULTIMATE.start_main_~#t2689~0.base_19|, ULTIMATE.start_main_~#t2687~0.offset=|v_ULTIMATE.start_main_~#t2687~0.offset_15|, ULTIMATE.start_main_~#t2688~0.base=|v_ULTIMATE.start_main_~#t2688~0.base_22|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_39, #NULL.base=|v_#NULL.base_6|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_17|, #valid=|v_#valid_54|, #memory_int=|v_#memory_int_13|, ~__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_~#t2687~0.offset, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t2689~0.offset, ULTIMATE.start_main_~#t2688~0.base, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t2687~0.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t2688~0.offset, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ULTIMATE.start_main_~#t2689~0.base, ~x~0] {2366#(<= ~__unbuffered_p2_EAX~0 0)} is VALID [2020-07-28 21:48:17,475 INFO L280 TraceCheckUtils]: 1: Hoare triple {2366#(<= ~__unbuffered_p2_EAX~0 0)} [167] L770-->P0ENTRY: Formula: (and (= 0 v_P0Thread1of1ForFork0_thidvar0_2) (= 0 |v_P0Thread1of1ForFork0_#in~arg.base_3|) (= 0 |v_P0Thread1of1ForFork0_#in~arg.offset_3|)) InVars {} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_3|, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_3|, P0Thread1of1ForFork0_thidvar0=v_P0Thread1of1ForFork0_thidvar0_2, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_3|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_3|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_3, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_3} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#in~arg.offset, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_thidvar0, P0Thread1of1ForFork0_#in~arg.base, P0Thread1of1ForFork0_#res.base, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {2366#(<= ~__unbuffered_p2_EAX~0 0)} is VALID [2020-07-28 21:48:17,476 INFO L280 TraceCheckUtils]: 2: Hoare triple {2366#(<= ~__unbuffered_p2_EAX~0 0)} [212] L770-1-->L772: Formula: (and (not (= 0 |v_ULTIMATE.start_main_~#t2688~0.base_12|)) (= (store |v_#valid_37| |v_ULTIMATE.start_main_~#t2688~0.base_12| 1) |v_#valid_36|) (= 0 |v_ULTIMATE.start_main_~#t2688~0.offset_10|) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2688~0.base_12|) (= (store |v_#memory_int_10| |v_ULTIMATE.start_main_~#t2688~0.base_12| (store (select |v_#memory_int_10| |v_ULTIMATE.start_main_~#t2688~0.base_12|) |v_ULTIMATE.start_main_~#t2688~0.offset_10| 1)) |v_#memory_int_9|) (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t2688~0.base_12| 4) |v_#length_15|) (= 0 (select |v_#valid_37| |v_ULTIMATE.start_main_~#t2688~0.base_12|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_10|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t2688~0.offset=|v_ULTIMATE.start_main_~#t2688~0.offset_10|, ULTIMATE.start_main_~#t2688~0.base=|v_ULTIMATE.start_main_~#t2688~0.base_12|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_9|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2688~0.offset, ULTIMATE.start_main_~#t2688~0.base, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {2366#(<= ~__unbuffered_p2_EAX~0 0)} is VALID [2020-07-28 21:48:17,476 INFO L280 TraceCheckUtils]: 3: Hoare triple {2366#(<= ~__unbuffered_p2_EAX~0 0)} [169] L772-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork1_thidvar0_2) (= 0 |v_P1Thread1of1ForFork1_#in~arg.base_3|) (= 0 |v_P1Thread1of1ForFork1_#in~arg.offset_3|)) InVars {} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_3, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_3|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_3, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_3|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_3|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_3|, P1Thread1of1ForFork1_thidvar0=v_P1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_#res.offset, P1Thread1of1ForFork1_~arg.base, P1Thread1of1ForFork1_#in~arg.base, P1Thread1of1ForFork1_#in~arg.offset, P1Thread1of1ForFork1_#res.base, P1Thread1of1ForFork1_thidvar0] {2366#(<= ~__unbuffered_p2_EAX~0 0)} is VALID [2020-07-28 21:48:17,477 INFO L280 TraceCheckUtils]: 4: Hoare triple {2366#(<= ~__unbuffered_p2_EAX~0 0)} [198] L772-1-->L774: Formula: (and (= 0 (select |v_#valid_28| |v_ULTIMATE.start_main_~#t2689~0.base_9|)) (= |v_#valid_27| (store |v_#valid_28| |v_ULTIMATE.start_main_~#t2689~0.base_9| 1)) (= |v_#memory_int_7| (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t2689~0.base_9| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t2689~0.base_9|) |v_ULTIMATE.start_main_~#t2689~0.offset_9| 2))) (= |v_#length_13| (store |v_#length_14| |v_ULTIMATE.start_main_~#t2689~0.base_9| 4)) (not (= 0 |v_ULTIMATE.start_main_~#t2689~0.base_9|)) (= 0 |v_ULTIMATE.start_main_~#t2689~0.offset_9|) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t2689~0.base_9|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_28|, #memory_int=|v_#memory_int_8|, #length=|v_#length_14|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_9|, ULTIMATE.start_main_~#t2689~0.offset=|v_ULTIMATE.start_main_~#t2689~0.offset_9|, #valid=|v_#valid_27|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_7|, #length=|v_#length_13|, ULTIMATE.start_main_~#t2689~0.base=|v_ULTIMATE.start_main_~#t2689~0.base_9|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2689~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t2689~0.base] {2366#(<= ~__unbuffered_p2_EAX~0 0)} is VALID [2020-07-28 21:48:17,478 INFO L280 TraceCheckUtils]: 5: Hoare triple {2366#(<= ~__unbuffered_p2_EAX~0 0)} [171] L774-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#in~arg.base_3|) (= 0 |v_P2Thread1of1ForFork2_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_3|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_3, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_3, P2Thread1of1ForFork2_thidvar0=v_P2Thread1of1ForFork2_thidvar0_2, P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_3|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_3|, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_3|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#in~arg.offset, P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, P2Thread1of1ForFork2_thidvar0, P2Thread1of1ForFork2_#res.base, P2Thread1of1ForFork2_#in~arg.base, P2Thread1of1ForFork2_#res.offset] {2366#(<= ~__unbuffered_p2_EAX~0 0)} is VALID [2020-07-28 21:48:17,478 INFO L280 TraceCheckUtils]: 6: Hoare triple {2366#(<= ~__unbuffered_p2_EAX~0 0)} [222] L774-1-->L3: Formula: (and (= v_ULTIMATE.start_assume_abort_if_not_~cond_22 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (= (mod v_~main$tmp_guard0~0_34 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (let ((.cse0 (= v_~__unbuffered_cnt~0_151 3))) (or (and (= 1 v_~main$tmp_guard0~0_34) .cse0) (and (not .cse0) (= 0 v_~main$tmp_guard0~0_34))))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_151} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_22, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_151, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_34} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {2366#(<= ~__unbuffered_p2_EAX~0 0)} is VALID [2020-07-28 21:48:17,480 INFO L280 TraceCheckUtils]: 7: Hoare triple {2366#(<= ~__unbuffered_p2_EAX~0 0)} [209] L3-->L7: Formula: (and (let ((.cse0 (= 1 v_~__unbuffered_p0_EAX~0_22)) (.cse2 (= 1 v_~__unbuffered_p1_EAX~0_21)) (.cse1 (= 1 v_~__unbuffered_p2_EAX~0_23))) (or (and .cse0 .cse1 (= 0 v_~main$tmp_guard1~0_14) .cse2) (and (= 1 v_~main$tmp_guard1~0_14) (or (not .cse0) (not .cse2) (not .cse1))))) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_12)) (= (mod v_~main$tmp_guard1~0_14 256) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_7|)) InVars {~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_12, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_21, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_11, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_12, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_21, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_14, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_7|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {2367#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} is VALID [2020-07-28 21:48:17,481 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 21:48:17,482 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 21:48:17,482 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031334216] [2020-07-28 21:48:17,482 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:48:17,482 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 21:48:17,483 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006402784] [2020-07-28 21:48:17,484 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-07-28 21:48:17,484 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:48:17,484 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 21:48:17,504 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 21:48:17,504 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 21:48:17,504 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:48:17,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 21:48:17,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 21:48:17,505 INFO L87 Difference]: Start difference. First operand 298 states and 864 transitions. Second operand 4 states. [2020-07-28 21:48:17,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:17,613 INFO L93 Difference]: Finished difference Result 330 states and 912 transitions. [2020-07-28 21:48:17,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 21:48:17,614 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-07-28 21:48:17,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:48:17,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:48:17,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 43 transitions. [2020-07-28 21:48:17,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:48:17,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 43 transitions. [2020-07-28 21:48:17,616 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 43 transitions. [2020-07-28 21:48:17,675 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 43 edges. 43 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:48:17,683 INFO L225 Difference]: With dead ends: 330 [2020-07-28 21:48:17,683 INFO L226 Difference]: Without dead ends: 266 [2020-07-28 21:48:17,684 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 21:48:17,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-07-28 21:48:17,695 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,696 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,696 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,696 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,696 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,697 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,697 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,697 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,698 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,698 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,698 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,698 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,699 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,699 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,699 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,700 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,700 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,700 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,700 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,701 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,701 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,701 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,702 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,702 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,702 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,702 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,703 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,703 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,703 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,703 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,704 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,704 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,704 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,704 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,705 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,705 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,705 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,705 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,706 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,706 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,706 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,706 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,707 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,707 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,707 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,707 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,708 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,708 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,708 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,709 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,709 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,709 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,709 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,710 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,710 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,710 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,710 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,711 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,711 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,711 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,711 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,712 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,712 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,712 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,712 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,713 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,713 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,713 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,713 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,714 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,714 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,714 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,714 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,715 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,715 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,715 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,715 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,716 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,716 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,716 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,717 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,717 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,717 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,717 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,718 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,718 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,718 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,719 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,719 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,719 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,719 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,720 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,720 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,720 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,720 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,721 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,721 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,721 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,722 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,722 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,722 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,723 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,723 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,723 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,723 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,724 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,724 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,724 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,725 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,725 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,725 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,725 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,726 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,726 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,726 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,726 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,727 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,727 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,727 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,727 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,728 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,728 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,728 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,728 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,729 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,729 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,729 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,730 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,730 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,730 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,730 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,731 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,731 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,731 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,731 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,732 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,732 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,732 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,732 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,733 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,733 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,733 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,733 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,734 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,734 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,734 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,734 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,735 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,735 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,735 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,735 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,736 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,736 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,736 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,736 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,737 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,737 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,737 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,738 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,738 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,738 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,738 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,739 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,739 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,739 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,739 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,740 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,740 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,740 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,740 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,741 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,741 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,741 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,741 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,742 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,742 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,742 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,742 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,743 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,743 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,743 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,743 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,744 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,744 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,744 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,745 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,745 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,745 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,745 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,746 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,746 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,746 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,746 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,747 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,747 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,747 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,747 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,748 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,748 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,748 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,748 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,749 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,749 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,749 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,749 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,750 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,750 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,750 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,750 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,751 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,751 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,751 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,752 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,752 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,752 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,752 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,753 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,753 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,753 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,753 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,754 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,754 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,754 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,754 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,755 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,755 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,755 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,755 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,756 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,756 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,756 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,757 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,757 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,757 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,757 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,758 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,758 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,758 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,758 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,759 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,759 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,759 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,759 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,760 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,760 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,760 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,760 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,761 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,761 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,761 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,761 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,762 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,762 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,762 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,762 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,763 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,763 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,763 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,764 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,764 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,764 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,764 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,765 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,765 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,765 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,766 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:17,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2020-07-28 21:48:17,767 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:48:17,767 INFO L82 GeneralOperation]: Start isEquivalent. First operand 266 states. Second operand 266 states. [2020-07-28 21:48:17,767 INFO L74 IsIncluded]: Start isIncluded. First operand 266 states. Second operand 266 states. [2020-07-28 21:48:17,767 INFO L87 Difference]: Start difference. First operand 266 states. Second operand 266 states. [2020-07-28 21:48:17,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:17,784 INFO L93 Difference]: Finished difference Result 266 states and 752 transitions. [2020-07-28 21:48:17,784 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 752 transitions. [2020-07-28 21:48:17,785 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:17,785 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:17,785 INFO L74 IsIncluded]: Start isIncluded. First operand 266 states. Second operand 266 states. [2020-07-28 21:48:17,785 INFO L87 Difference]: Start difference. First operand 266 states. Second operand 266 states. [2020-07-28 21:48:17,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:17,801 INFO L93 Difference]: Finished difference Result 266 states and 752 transitions. [2020-07-28 21:48:17,802 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 752 transitions. [2020-07-28 21:48:17,802 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:17,803 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:17,803 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:48:17,803 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:48:17,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-07-28 21:48:17,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 752 transitions. [2020-07-28 21:48:17,819 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 752 transitions. Word has length 9 [2020-07-28 21:48:17,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:48:17,819 INFO L479 AbstractCegarLoop]: Abstraction has 266 states and 752 transitions. [2020-07-28 21:48:17,819 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 21:48:17,820 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 752 transitions. [2020-07-28 21:48:17,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-07-28 21:48:17,820 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:48:17,821 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:48:17,821 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 21:48:17,821 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:48:17,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:48:17,822 INFO L82 PathProgramCache]: Analyzing trace with hash 1345064228, now seen corresponding path program 1 times [2020-07-28 21:48:17,822 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:48:17,822 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365697013] [2020-07-28 21:48:17,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:48:17,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:48:17,897 INFO L280 TraceCheckUtils]: 0: Hoare triple {3766#true} [225] ULTIMATE.startENTRY-->L770: Formula: (let ((.cse0 (store |v_#valid_56| 0 0))) (and (= 0 v_~y~0_21) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2687~0.base_21|) (= 0 |v_ULTIMATE.start_main_~#t2687~0.offset_15|) (= (store |v_#length_20| |v_ULTIMATE.start_main_~#t2687~0.base_21| 4) |v_#length_19|) (= 0 v_~z~0_20) (= 0 |v_#NULL.base_6|) (= 0 v_~main$tmp_guard0~0_39) (= (select .cse0 |v_ULTIMATE.start_main_~#t2687~0.base_21|) 0) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2687~0.base_21| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2687~0.base_21|) |v_ULTIMATE.start_main_~#t2687~0.offset_15| 0)) |v_#memory_int_13|) (= 0 v_~__unbuffered_p1_EAX~0_29) (= 0 |v_#NULL.offset_6|) (= 0 v_~__unbuffered_p0_EAX~0_27) (= |v_#valid_54| (store .cse0 |v_ULTIMATE.start_main_~#t2687~0.base_21| 1)) (= 0 v_~main$tmp_guard1~0_21) (= v_~__unbuffered_cnt~0_163 0) (< 0 |v_#StackHeapBarrier_15|) (= 0 v_~__unbuffered_p2_EAX~0_28) (= 0 v_~x~0_24))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_56|, #memory_int=|v_#memory_int_14|, #length=|v_#length_20|} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_9|, ULTIMATE.start_main_~#t2689~0.offset=|v_ULTIMATE.start_main_~#t2689~0.offset_14|, 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_~#t2687~0.base=|v_ULTIMATE.start_main_~#t2687~0.base_21|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_27, ULTIMATE.start_main_~#t2688~0.offset=|v_ULTIMATE.start_main_~#t2688~0.offset_16|, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_29, #length=|v_#length_19|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_28, ~y~0=v_~y~0_21, ULTIMATE.start_main_~#t2689~0.base=|v_ULTIMATE.start_main_~#t2689~0.base_19|, ULTIMATE.start_main_~#t2687~0.offset=|v_ULTIMATE.start_main_~#t2687~0.offset_15|, ULTIMATE.start_main_~#t2688~0.base=|v_ULTIMATE.start_main_~#t2688~0.base_22|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_39, #NULL.base=|v_#NULL.base_6|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_17|, #valid=|v_#valid_54|, #memory_int=|v_#memory_int_13|, ~__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_~#t2687~0.offset, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t2689~0.offset, ULTIMATE.start_main_~#t2688~0.base, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t2687~0.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t2688~0.offset, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ULTIMATE.start_main_~#t2689~0.base, ~x~0] {3768#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:48:17,898 INFO L280 TraceCheckUtils]: 1: Hoare triple {3768#(= 0 ~__unbuffered_p0_EAX~0)} [167] L770-->P0ENTRY: Formula: (and (= 0 v_P0Thread1of1ForFork0_thidvar0_2) (= 0 |v_P0Thread1of1ForFork0_#in~arg.base_3|) (= 0 |v_P0Thread1of1ForFork0_#in~arg.offset_3|)) InVars {} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_3|, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_3|, P0Thread1of1ForFork0_thidvar0=v_P0Thread1of1ForFork0_thidvar0_2, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_3|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_3|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_3, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_3} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#in~arg.offset, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_thidvar0, P0Thread1of1ForFork0_#in~arg.base, P0Thread1of1ForFork0_#res.base, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {3768#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:48:17,899 INFO L280 TraceCheckUtils]: 2: Hoare triple {3768#(= 0 ~__unbuffered_p0_EAX~0)} [212] L770-1-->L772: Formula: (and (not (= 0 |v_ULTIMATE.start_main_~#t2688~0.base_12|)) (= (store |v_#valid_37| |v_ULTIMATE.start_main_~#t2688~0.base_12| 1) |v_#valid_36|) (= 0 |v_ULTIMATE.start_main_~#t2688~0.offset_10|) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2688~0.base_12|) (= (store |v_#memory_int_10| |v_ULTIMATE.start_main_~#t2688~0.base_12| (store (select |v_#memory_int_10| |v_ULTIMATE.start_main_~#t2688~0.base_12|) |v_ULTIMATE.start_main_~#t2688~0.offset_10| 1)) |v_#memory_int_9|) (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t2688~0.base_12| 4) |v_#length_15|) (= 0 (select |v_#valid_37| |v_ULTIMATE.start_main_~#t2688~0.base_12|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_10|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t2688~0.offset=|v_ULTIMATE.start_main_~#t2688~0.offset_10|, ULTIMATE.start_main_~#t2688~0.base=|v_ULTIMATE.start_main_~#t2688~0.base_12|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_9|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2688~0.offset, ULTIMATE.start_main_~#t2688~0.base, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {3768#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:48:17,900 INFO L280 TraceCheckUtils]: 3: Hoare triple {3768#(= 0 ~__unbuffered_p0_EAX~0)} [169] L772-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork1_thidvar0_2) (= 0 |v_P1Thread1of1ForFork1_#in~arg.base_3|) (= 0 |v_P1Thread1of1ForFork1_#in~arg.offset_3|)) InVars {} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_3, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_3|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_3, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_3|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_3|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_3|, P1Thread1of1ForFork1_thidvar0=v_P1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_#res.offset, P1Thread1of1ForFork1_~arg.base, P1Thread1of1ForFork1_#in~arg.base, P1Thread1of1ForFork1_#in~arg.offset, P1Thread1of1ForFork1_#res.base, P1Thread1of1ForFork1_thidvar0] {3768#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:48:17,900 INFO L280 TraceCheckUtils]: 4: Hoare triple {3768#(= 0 ~__unbuffered_p0_EAX~0)} [198] L772-1-->L774: Formula: (and (= 0 (select |v_#valid_28| |v_ULTIMATE.start_main_~#t2689~0.base_9|)) (= |v_#valid_27| (store |v_#valid_28| |v_ULTIMATE.start_main_~#t2689~0.base_9| 1)) (= |v_#memory_int_7| (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t2689~0.base_9| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t2689~0.base_9|) |v_ULTIMATE.start_main_~#t2689~0.offset_9| 2))) (= |v_#length_13| (store |v_#length_14| |v_ULTIMATE.start_main_~#t2689~0.base_9| 4)) (not (= 0 |v_ULTIMATE.start_main_~#t2689~0.base_9|)) (= 0 |v_ULTIMATE.start_main_~#t2689~0.offset_9|) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t2689~0.base_9|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_28|, #memory_int=|v_#memory_int_8|, #length=|v_#length_14|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_9|, ULTIMATE.start_main_~#t2689~0.offset=|v_ULTIMATE.start_main_~#t2689~0.offset_9|, #valid=|v_#valid_27|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_7|, #length=|v_#length_13|, ULTIMATE.start_main_~#t2689~0.base=|v_ULTIMATE.start_main_~#t2689~0.base_9|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2689~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t2689~0.base] {3768#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:48:17,901 INFO L280 TraceCheckUtils]: 5: Hoare triple {3768#(= 0 ~__unbuffered_p0_EAX~0)} [171] L774-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#in~arg.base_3|) (= 0 |v_P2Thread1of1ForFork2_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_3|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_3, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_3, P2Thread1of1ForFork2_thidvar0=v_P2Thread1of1ForFork2_thidvar0_2, P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_3|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_3|, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_3|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#in~arg.offset, P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, P2Thread1of1ForFork2_thidvar0, P2Thread1of1ForFork2_#res.base, P2Thread1of1ForFork2_#in~arg.base, P2Thread1of1ForFork2_#res.offset] {3768#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:48:17,902 INFO L280 TraceCheckUtils]: 6: Hoare triple {3768#(= 0 ~__unbuffered_p0_EAX~0)} [184] P2ENTRY-->L747: Formula: (and (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4) (= v_~y~0_11 v_~__unbuffered_p2_EAX~0_15)) InVars {P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_11} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_4, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_4, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_15, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_11} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {3768#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:48:17,903 INFO L280 TraceCheckUtils]: 7: Hoare triple {3768#(= 0 ~__unbuffered_p0_EAX~0)} [222] L774-1-->L3: Formula: (and (= v_ULTIMATE.start_assume_abort_if_not_~cond_22 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (= (mod v_~main$tmp_guard0~0_34 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (let ((.cse0 (= v_~__unbuffered_cnt~0_151 3))) (or (and (= 1 v_~main$tmp_guard0~0_34) .cse0) (and (not .cse0) (= 0 v_~main$tmp_guard0~0_34))))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_151} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_22, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_151, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_34} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {3768#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:48:17,904 INFO L280 TraceCheckUtils]: 8: Hoare triple {3768#(= 0 ~__unbuffered_p0_EAX~0)} [209] L3-->L7: Formula: (and (let ((.cse0 (= 1 v_~__unbuffered_p0_EAX~0_22)) (.cse2 (= 1 v_~__unbuffered_p1_EAX~0_21)) (.cse1 (= 1 v_~__unbuffered_p2_EAX~0_23))) (or (and .cse0 .cse1 (= 0 v_~main$tmp_guard1~0_14) .cse2) (and (= 1 v_~main$tmp_guard1~0_14) (or (not .cse0) (not .cse2) (not .cse1))))) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_12)) (= (mod v_~main$tmp_guard1~0_14 256) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_7|)) InVars {~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_12, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_21, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_11, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_12, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_21, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_14, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_7|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {3769#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} is VALID [2020-07-28 21:48:17,905 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 21:48:17,906 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 21:48:17,906 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365697013] [2020-07-28 21:48:17,906 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:48:17,907 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 21:48:17,907 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957870671] [2020-07-28 21:48:17,907 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-07-28 21:48:17,907 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:48:17,907 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 21:48:17,921 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 21:48:17,921 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 21:48:17,921 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:48:17,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 21:48:17,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 21:48:17,922 INFO L87 Difference]: Start difference. First operand 266 states and 752 transitions. Second operand 4 states. [2020-07-28 21:48:18,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:18,011 INFO L93 Difference]: Finished difference Result 290 states and 786 transitions. [2020-07-28 21:48:18,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 21:48:18,011 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-07-28 21:48:18,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:48:18,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:48:18,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 45 transitions. [2020-07-28 21:48:18,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:48:18,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 45 transitions. [2020-07-28 21:48:18,014 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 45 transitions. [2020-07-28 21:48:18,067 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 21:48:18,072 INFO L225 Difference]: With dead ends: 290 [2020-07-28 21:48:18,073 INFO L226 Difference]: Without dead ends: 242 [2020-07-28 21:48:18,073 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 21:48:18,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2020-07-28 21:48:18,081 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,081 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,081 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,082 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,082 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,082 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,082 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,083 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,083 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,083 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,083 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,084 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,084 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,084 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,084 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,085 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,085 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,085 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,085 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,086 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,086 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,086 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,086 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,087 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,087 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,087 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,087 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,088 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,088 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,088 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,088 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,089 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,089 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,089 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,089 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,090 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,090 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,090 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,090 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,091 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,091 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,091 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,091 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,092 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,092 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,092 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,092 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,093 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,093 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,093 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,093 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,094 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,094 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,094 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,094 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,095 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,095 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,095 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,095 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,096 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,096 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,096 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,096 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,097 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,097 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,097 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,097 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,098 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,098 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,098 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,098 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,098 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,099 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,099 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,099 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,099 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,100 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,100 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,100 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,100 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,101 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,101 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,101 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,101 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,102 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,102 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,102 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,102 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,103 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,103 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,103 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,103 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,104 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,104 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,104 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,104 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,105 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,105 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,105 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,106 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,106 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,106 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,106 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,107 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,107 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,107 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,107 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,108 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,108 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,108 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,108 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,109 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,109 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,109 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,109 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,110 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,110 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,110 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,110 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,111 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,111 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,111 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,111 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,112 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,112 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,112 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,112 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,113 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,113 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,113 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,113 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,114 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,114 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,114 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,114 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,115 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,115 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,115 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,115 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,116 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,116 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,116 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,116 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,117 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,117 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,117 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,117 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,118 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,118 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,118 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,118 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,119 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,119 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,119 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,119 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,120 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,120 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,120 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,120 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,121 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,121 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,121 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,121 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,122 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,122 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,122 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,122 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,123 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,123 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,123 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,123 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,124 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,124 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,124 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,124 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,125 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,125 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,125 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,125 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,126 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,126 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,126 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,127 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,127 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,127 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,127 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,128 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,128 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,128 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,128 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,129 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,129 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,129 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,129 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,130 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,130 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,130 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,130 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,130 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,130 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,131 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,131 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,131 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,131 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,131 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,131 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,131 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,132 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,132 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,132 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,132 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,132 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,132 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,132 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,133 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,133 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,133 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,133 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,133 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,133 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,134 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,134 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,134 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,134 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,134 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,134 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,134 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,135 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,135 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,135 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,135 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,135 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,135 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,136 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,136 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,136 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,136 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,136 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,137 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,137 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,137 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,137 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 242. [2020-07-28 21:48:18,138 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:48:18,138 INFO L82 GeneralOperation]: Start isEquivalent. First operand 242 states. Second operand 242 states. [2020-07-28 21:48:18,138 INFO L74 IsIncluded]: Start isIncluded. First operand 242 states. Second operand 242 states. [2020-07-28 21:48:18,138 INFO L87 Difference]: Start difference. First operand 242 states. Second operand 242 states. [2020-07-28 21:48:18,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:18,150 INFO L93 Difference]: Finished difference Result 242 states and 670 transitions. [2020-07-28 21:48:18,150 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 670 transitions. [2020-07-28 21:48:18,151 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:18,151 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:18,151 INFO L74 IsIncluded]: Start isIncluded. First operand 242 states. Second operand 242 states. [2020-07-28 21:48:18,151 INFO L87 Difference]: Start difference. First operand 242 states. Second operand 242 states. [2020-07-28 21:48:18,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:18,161 INFO L93 Difference]: Finished difference Result 242 states and 670 transitions. [2020-07-28 21:48:18,162 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 670 transitions. [2020-07-28 21:48:18,162 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:18,162 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:18,162 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:48:18,163 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:48:18,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2020-07-28 21:48:18,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 670 transitions. [2020-07-28 21:48:18,171 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 670 transitions. Word has length 10 [2020-07-28 21:48:18,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:48:18,172 INFO L479 AbstractCegarLoop]: Abstraction has 242 states and 670 transitions. [2020-07-28 21:48:18,172 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 21:48:18,172 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 670 transitions. [2020-07-28 21:48:18,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-07-28 21:48:18,172 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:48:18,173 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:48:18,173 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 21:48:18,173 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:48:18,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:48:18,173 INFO L82 PathProgramCache]: Analyzing trace with hash 1654538757, now seen corresponding path program 1 times [2020-07-28 21:48:18,173 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:48:18,174 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964674278] [2020-07-28 21:48:18,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:48:18,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:48:18,255 INFO L280 TraceCheckUtils]: 0: Hoare triple {5032#true} [225] ULTIMATE.startENTRY-->L770: Formula: (let ((.cse0 (store |v_#valid_56| 0 0))) (and (= 0 v_~y~0_21) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2687~0.base_21|) (= 0 |v_ULTIMATE.start_main_~#t2687~0.offset_15|) (= (store |v_#length_20| |v_ULTIMATE.start_main_~#t2687~0.base_21| 4) |v_#length_19|) (= 0 v_~z~0_20) (= 0 |v_#NULL.base_6|) (= 0 v_~main$tmp_guard0~0_39) (= (select .cse0 |v_ULTIMATE.start_main_~#t2687~0.base_21|) 0) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2687~0.base_21| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2687~0.base_21|) |v_ULTIMATE.start_main_~#t2687~0.offset_15| 0)) |v_#memory_int_13|) (= 0 v_~__unbuffered_p1_EAX~0_29) (= 0 |v_#NULL.offset_6|) (= 0 v_~__unbuffered_p0_EAX~0_27) (= |v_#valid_54| (store .cse0 |v_ULTIMATE.start_main_~#t2687~0.base_21| 1)) (= 0 v_~main$tmp_guard1~0_21) (= v_~__unbuffered_cnt~0_163 0) (< 0 |v_#StackHeapBarrier_15|) (= 0 v_~__unbuffered_p2_EAX~0_28) (= 0 v_~x~0_24))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_56|, #memory_int=|v_#memory_int_14|, #length=|v_#length_20|} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_9|, ULTIMATE.start_main_~#t2689~0.offset=|v_ULTIMATE.start_main_~#t2689~0.offset_14|, 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_~#t2687~0.base=|v_ULTIMATE.start_main_~#t2687~0.base_21|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_27, ULTIMATE.start_main_~#t2688~0.offset=|v_ULTIMATE.start_main_~#t2688~0.offset_16|, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_29, #length=|v_#length_19|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_28, ~y~0=v_~y~0_21, ULTIMATE.start_main_~#t2689~0.base=|v_ULTIMATE.start_main_~#t2689~0.base_19|, ULTIMATE.start_main_~#t2687~0.offset=|v_ULTIMATE.start_main_~#t2687~0.offset_15|, ULTIMATE.start_main_~#t2688~0.base=|v_ULTIMATE.start_main_~#t2688~0.base_22|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_39, #NULL.base=|v_#NULL.base_6|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_17|, #valid=|v_#valid_54|, #memory_int=|v_#memory_int_13|, ~__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_~#t2687~0.offset, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t2689~0.offset, ULTIMATE.start_main_~#t2688~0.base, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t2687~0.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t2688~0.offset, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ULTIMATE.start_main_~#t2689~0.base, ~x~0] {5034#(= 0 ~__unbuffered_p1_EAX~0)} is VALID [2020-07-28 21:48:18,256 INFO L280 TraceCheckUtils]: 1: Hoare triple {5034#(= 0 ~__unbuffered_p1_EAX~0)} [167] L770-->P0ENTRY: Formula: (and (= 0 v_P0Thread1of1ForFork0_thidvar0_2) (= 0 |v_P0Thread1of1ForFork0_#in~arg.base_3|) (= 0 |v_P0Thread1of1ForFork0_#in~arg.offset_3|)) InVars {} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_3|, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_3|, P0Thread1of1ForFork0_thidvar0=v_P0Thread1of1ForFork0_thidvar0_2, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_3|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_3|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_3, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_3} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#in~arg.offset, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_thidvar0, P0Thread1of1ForFork0_#in~arg.base, P0Thread1of1ForFork0_#res.base, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {5034#(= 0 ~__unbuffered_p1_EAX~0)} is VALID [2020-07-28 21:48:18,257 INFO L280 TraceCheckUtils]: 2: Hoare triple {5034#(= 0 ~__unbuffered_p1_EAX~0)} [212] L770-1-->L772: Formula: (and (not (= 0 |v_ULTIMATE.start_main_~#t2688~0.base_12|)) (= (store |v_#valid_37| |v_ULTIMATE.start_main_~#t2688~0.base_12| 1) |v_#valid_36|) (= 0 |v_ULTIMATE.start_main_~#t2688~0.offset_10|) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2688~0.base_12|) (= (store |v_#memory_int_10| |v_ULTIMATE.start_main_~#t2688~0.base_12| (store (select |v_#memory_int_10| |v_ULTIMATE.start_main_~#t2688~0.base_12|) |v_ULTIMATE.start_main_~#t2688~0.offset_10| 1)) |v_#memory_int_9|) (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t2688~0.base_12| 4) |v_#length_15|) (= 0 (select |v_#valid_37| |v_ULTIMATE.start_main_~#t2688~0.base_12|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_10|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t2688~0.offset=|v_ULTIMATE.start_main_~#t2688~0.offset_10|, ULTIMATE.start_main_~#t2688~0.base=|v_ULTIMATE.start_main_~#t2688~0.base_12|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_9|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2688~0.offset, ULTIMATE.start_main_~#t2688~0.base, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {5034#(= 0 ~__unbuffered_p1_EAX~0)} is VALID [2020-07-28 21:48:18,258 INFO L280 TraceCheckUtils]: 3: Hoare triple {5034#(= 0 ~__unbuffered_p1_EAX~0)} [185] P0ENTRY-->L717: Formula: (and (= v_~z~0_7 v_~__unbuffered_p0_EAX~0_11) (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= v_P0Thread1of1ForFork0_~arg.base_4 |v_P0Thread1of1ForFork0_#in~arg.base_4|)) InVars {P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~z~0=v_~z~0_7} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_11, P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~z~0=v_~z~0_7, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_4, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_4} AuxVars[] AssignedVars[~__unbuffered_p0_EAX~0, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {5034#(= 0 ~__unbuffered_p1_EAX~0)} is VALID [2020-07-28 21:48:18,258 INFO L280 TraceCheckUtils]: 4: Hoare triple {5034#(= 0 ~__unbuffered_p1_EAX~0)} [169] L772-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork1_thidvar0_2) (= 0 |v_P1Thread1of1ForFork1_#in~arg.base_3|) (= 0 |v_P1Thread1of1ForFork1_#in~arg.offset_3|)) InVars {} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_3, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_3|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_3, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_3|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_3|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_3|, P1Thread1of1ForFork1_thidvar0=v_P1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_#res.offset, P1Thread1of1ForFork1_~arg.base, P1Thread1of1ForFork1_#in~arg.base, P1Thread1of1ForFork1_#in~arg.offset, P1Thread1of1ForFork1_#res.base, P1Thread1of1ForFork1_thidvar0] {5034#(= 0 ~__unbuffered_p1_EAX~0)} is VALID [2020-07-28 21:48:18,259 INFO L280 TraceCheckUtils]: 5: Hoare triple {5034#(= 0 ~__unbuffered_p1_EAX~0)} [198] L772-1-->L774: Formula: (and (= 0 (select |v_#valid_28| |v_ULTIMATE.start_main_~#t2689~0.base_9|)) (= |v_#valid_27| (store |v_#valid_28| |v_ULTIMATE.start_main_~#t2689~0.base_9| 1)) (= |v_#memory_int_7| (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t2689~0.base_9| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t2689~0.base_9|) |v_ULTIMATE.start_main_~#t2689~0.offset_9| 2))) (= |v_#length_13| (store |v_#length_14| |v_ULTIMATE.start_main_~#t2689~0.base_9| 4)) (not (= 0 |v_ULTIMATE.start_main_~#t2689~0.base_9|)) (= 0 |v_ULTIMATE.start_main_~#t2689~0.offset_9|) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t2689~0.base_9|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_28|, #memory_int=|v_#memory_int_8|, #length=|v_#length_14|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_9|, ULTIMATE.start_main_~#t2689~0.offset=|v_ULTIMATE.start_main_~#t2689~0.offset_9|, #valid=|v_#valid_27|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_7|, #length=|v_#length_13|, ULTIMATE.start_main_~#t2689~0.base=|v_ULTIMATE.start_main_~#t2689~0.base_9|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2689~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t2689~0.base] {5034#(= 0 ~__unbuffered_p1_EAX~0)} is VALID [2020-07-28 21:48:18,260 INFO L280 TraceCheckUtils]: 6: Hoare triple {5034#(= 0 ~__unbuffered_p1_EAX~0)} [171] L774-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#in~arg.base_3|) (= 0 |v_P2Thread1of1ForFork2_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_3|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_3, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_3, P2Thread1of1ForFork2_thidvar0=v_P2Thread1of1ForFork2_thidvar0_2, P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_3|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_3|, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_3|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#in~arg.offset, P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, P2Thread1of1ForFork2_thidvar0, P2Thread1of1ForFork2_#res.base, P2Thread1of1ForFork2_#in~arg.base, P2Thread1of1ForFork2_#res.offset] {5034#(= 0 ~__unbuffered_p1_EAX~0)} is VALID [2020-07-28 21:48:18,260 INFO L280 TraceCheckUtils]: 7: Hoare triple {5034#(= 0 ~__unbuffered_p1_EAX~0)} [184] P2ENTRY-->L747: Formula: (and (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4) (= v_~y~0_11 v_~__unbuffered_p2_EAX~0_15)) InVars {P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_11} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_4, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_4, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_15, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_11} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {5034#(= 0 ~__unbuffered_p1_EAX~0)} is VALID [2020-07-28 21:48:18,261 INFO L280 TraceCheckUtils]: 8: Hoare triple {5034#(= 0 ~__unbuffered_p1_EAX~0)} [222] L774-1-->L3: Formula: (and (= v_ULTIMATE.start_assume_abort_if_not_~cond_22 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (= (mod v_~main$tmp_guard0~0_34 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (let ((.cse0 (= v_~__unbuffered_cnt~0_151 3))) (or (and (= 1 v_~main$tmp_guard0~0_34) .cse0) (and (not .cse0) (= 0 v_~main$tmp_guard0~0_34))))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_151} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_22, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_151, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_34} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {5034#(= 0 ~__unbuffered_p1_EAX~0)} is VALID [2020-07-28 21:48:18,262 INFO L280 TraceCheckUtils]: 9: Hoare triple {5034#(= 0 ~__unbuffered_p1_EAX~0)} [209] L3-->L7: Formula: (and (let ((.cse0 (= 1 v_~__unbuffered_p0_EAX~0_22)) (.cse2 (= 1 v_~__unbuffered_p1_EAX~0_21)) (.cse1 (= 1 v_~__unbuffered_p2_EAX~0_23))) (or (and .cse0 .cse1 (= 0 v_~main$tmp_guard1~0_14) .cse2) (and (= 1 v_~main$tmp_guard1~0_14) (or (not .cse0) (not .cse2) (not .cse1))))) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_12)) (= (mod v_~main$tmp_guard1~0_14 256) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_7|)) InVars {~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_12, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_21, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_11, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_12, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_21, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_14, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_7|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {5035#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} is VALID [2020-07-28 21:48:18,263 INFO L280 TraceCheckUtils]: 10: Hoare triple {5035#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} [206] L7-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_9) (= v_ULTIMATE.start___VERIFIER_assert_~expression_9 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_9, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] {5033#false} is VALID [2020-07-28 21:48:18,264 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 21:48:18,265 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964674278] [2020-07-28 21:48:18,265 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:48:18,265 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 21:48:18,265 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930913712] [2020-07-28 21:48:18,266 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-07-28 21:48:18,266 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:48:18,266 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 21:48:18,281 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 21:48:18,282 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 21:48:18,282 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:48:18,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 21:48:18,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 21:48:18,283 INFO L87 Difference]: Start difference. First operand 242 states and 670 transitions. Second operand 4 states. [2020-07-28 21:48:18,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:18,382 INFO L93 Difference]: Finished difference Result 260 states and 694 transitions. [2020-07-28 21:48:18,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 21:48:18,383 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-07-28 21:48:18,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:48:18,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:48:18,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 41 transitions. [2020-07-28 21:48:18,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:48:18,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 41 transitions. [2020-07-28 21:48:18,385 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 41 transitions. [2020-07-28 21:48:18,439 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 21:48:18,446 INFO L225 Difference]: With dead ends: 260 [2020-07-28 21:48:18,446 INFO L226 Difference]: Without dead ends: 224 [2020-07-28 21:48:18,446 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 21:48:18,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2020-07-28 21:48:18,452 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,452 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,452 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,453 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,453 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,453 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,453 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,454 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,454 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,454 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,454 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,455 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,455 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,455 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,455 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,455 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,456 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,456 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,456 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,456 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,457 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,457 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,457 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,457 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,458 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,458 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,458 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,458 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,459 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,459 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,459 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,459 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,459 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,460 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,460 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,460 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,460 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,461 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,461 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,461 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,461 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,462 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,462 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,462 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,462 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,462 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,463 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,463 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,463 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,463 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,464 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,464 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,464 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,464 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,465 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,465 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,465 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,465 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,466 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,466 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,466 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,466 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,466 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,467 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,467 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,467 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,467 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,468 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,468 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,468 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,468 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,469 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,469 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,469 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,469 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,470 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,470 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,470 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,470 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,471 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,471 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,471 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,471 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,472 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,472 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,472 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,472 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,473 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,473 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,473 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,473 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,474 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,474 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,474 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,474 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,475 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,475 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,475 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,475 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,476 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,476 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,476 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,476 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,477 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,477 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,477 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,477 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,478 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,478 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,478 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,478 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,479 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,479 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,479 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,479 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,479 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,480 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,480 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,480 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,480 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,481 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,481 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,481 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,481 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,482 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,482 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,482 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,482 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,483 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,483 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,483 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,483 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,484 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,484 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,484 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,484 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,485 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,485 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,485 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,485 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,486 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,486 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,486 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,486 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,487 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,487 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,487 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,487 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,488 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,488 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,488 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,488 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,489 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,489 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,489 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,489 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,490 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,490 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,490 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,490 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,491 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,491 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,491 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,491 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,492 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,492 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,492 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,492 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,492 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,493 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,493 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,493 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,493 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,494 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,494 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,494 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,494 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,495 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,495 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,513 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,513 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,513 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,514 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,514 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,514 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,514 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,514 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,515 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,515 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,515 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,515 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,515 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,516 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,516 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,516 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,516 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,516 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,517 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,517 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,517 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,517 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,517 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,518 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,518 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,518 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,518 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,518 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,518 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,519 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,519 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,519 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,519 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,519 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,520 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,520 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,520 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,520 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,520 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,521 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,521 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,521 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,521 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,521 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,522 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 224. [2020-07-28 21:48:18,522 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:48:18,523 INFO L82 GeneralOperation]: Start isEquivalent. First operand 224 states. Second operand 224 states. [2020-07-28 21:48:18,523 INFO L74 IsIncluded]: Start isIncluded. First operand 224 states. Second operand 224 states. [2020-07-28 21:48:18,523 INFO L87 Difference]: Start difference. First operand 224 states. Second operand 224 states. [2020-07-28 21:48:18,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:18,530 INFO L93 Difference]: Finished difference Result 224 states and 610 transitions. [2020-07-28 21:48:18,530 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 610 transitions. [2020-07-28 21:48:18,531 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:18,531 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:18,531 INFO L74 IsIncluded]: Start isIncluded. First operand 224 states. Second operand 224 states. [2020-07-28 21:48:18,531 INFO L87 Difference]: Start difference. First operand 224 states. Second operand 224 states. [2020-07-28 21:48:18,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:18,540 INFO L93 Difference]: Finished difference Result 224 states and 610 transitions. [2020-07-28 21:48:18,540 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 610 transitions. [2020-07-28 21:48:18,541 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:18,541 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:18,541 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:48:18,542 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:48:18,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-07-28 21:48:18,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 610 transitions. [2020-07-28 21:48:18,549 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 610 transitions. Word has length 11 [2020-07-28 21:48:18,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:48:18,549 INFO L479 AbstractCegarLoop]: Abstraction has 224 states and 610 transitions. [2020-07-28 21:48:18,549 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 21:48:18,549 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 610 transitions. [2020-07-28 21:48:18,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-28 21:48:18,550 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:48:18,550 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:48:18,550 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 21:48:18,550 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:48:18,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:48:18,551 INFO L82 PathProgramCache]: Analyzing trace with hash 368404844, now seen corresponding path program 1 times [2020-07-28 21:48:18,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:48:18,551 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409665292] [2020-07-28 21:48:18,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:48:18,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:48:18,643 INFO L280 TraceCheckUtils]: 0: Hoare triple {6196#true} [225] ULTIMATE.startENTRY-->L770: Formula: (let ((.cse0 (store |v_#valid_56| 0 0))) (and (= 0 v_~y~0_21) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2687~0.base_21|) (= 0 |v_ULTIMATE.start_main_~#t2687~0.offset_15|) (= (store |v_#length_20| |v_ULTIMATE.start_main_~#t2687~0.base_21| 4) |v_#length_19|) (= 0 v_~z~0_20) (= 0 |v_#NULL.base_6|) (= 0 v_~main$tmp_guard0~0_39) (= (select .cse0 |v_ULTIMATE.start_main_~#t2687~0.base_21|) 0) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2687~0.base_21| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2687~0.base_21|) |v_ULTIMATE.start_main_~#t2687~0.offset_15| 0)) |v_#memory_int_13|) (= 0 v_~__unbuffered_p1_EAX~0_29) (= 0 |v_#NULL.offset_6|) (= 0 v_~__unbuffered_p0_EAX~0_27) (= |v_#valid_54| (store .cse0 |v_ULTIMATE.start_main_~#t2687~0.base_21| 1)) (= 0 v_~main$tmp_guard1~0_21) (= v_~__unbuffered_cnt~0_163 0) (< 0 |v_#StackHeapBarrier_15|) (= 0 v_~__unbuffered_p2_EAX~0_28) (= 0 v_~x~0_24))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_56|, #memory_int=|v_#memory_int_14|, #length=|v_#length_20|} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_9|, ULTIMATE.start_main_~#t2689~0.offset=|v_ULTIMATE.start_main_~#t2689~0.offset_14|, 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_~#t2687~0.base=|v_ULTIMATE.start_main_~#t2687~0.base_21|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_27, ULTIMATE.start_main_~#t2688~0.offset=|v_ULTIMATE.start_main_~#t2688~0.offset_16|, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_29, #length=|v_#length_19|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_28, ~y~0=v_~y~0_21, ULTIMATE.start_main_~#t2689~0.base=|v_ULTIMATE.start_main_~#t2689~0.base_19|, ULTIMATE.start_main_~#t2687~0.offset=|v_ULTIMATE.start_main_~#t2687~0.offset_15|, ULTIMATE.start_main_~#t2688~0.base=|v_ULTIMATE.start_main_~#t2688~0.base_22|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_39, #NULL.base=|v_#NULL.base_6|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_17|, #valid=|v_#valid_54|, #memory_int=|v_#memory_int_13|, ~__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_~#t2687~0.offset, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t2689~0.offset, ULTIMATE.start_main_~#t2688~0.base, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t2687~0.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t2688~0.offset, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ULTIMATE.start_main_~#t2689~0.base, ~x~0] {6198#(<= ~x~0 0)} is VALID [2020-07-28 21:48:18,643 INFO L280 TraceCheckUtils]: 1: Hoare triple {6198#(<= ~x~0 0)} [167] L770-->P0ENTRY: Formula: (and (= 0 v_P0Thread1of1ForFork0_thidvar0_2) (= 0 |v_P0Thread1of1ForFork0_#in~arg.base_3|) (= 0 |v_P0Thread1of1ForFork0_#in~arg.offset_3|)) InVars {} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_3|, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_3|, P0Thread1of1ForFork0_thidvar0=v_P0Thread1of1ForFork0_thidvar0_2, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_3|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_3|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_3, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_3} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#in~arg.offset, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_thidvar0, P0Thread1of1ForFork0_#in~arg.base, P0Thread1of1ForFork0_#res.base, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {6198#(<= ~x~0 0)} is VALID [2020-07-28 21:48:18,644 INFO L280 TraceCheckUtils]: 2: Hoare triple {6198#(<= ~x~0 0)} [212] L770-1-->L772: Formula: (and (not (= 0 |v_ULTIMATE.start_main_~#t2688~0.base_12|)) (= (store |v_#valid_37| |v_ULTIMATE.start_main_~#t2688~0.base_12| 1) |v_#valid_36|) (= 0 |v_ULTIMATE.start_main_~#t2688~0.offset_10|) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2688~0.base_12|) (= (store |v_#memory_int_10| |v_ULTIMATE.start_main_~#t2688~0.base_12| (store (select |v_#memory_int_10| |v_ULTIMATE.start_main_~#t2688~0.base_12|) |v_ULTIMATE.start_main_~#t2688~0.offset_10| 1)) |v_#memory_int_9|) (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t2688~0.base_12| 4) |v_#length_15|) (= 0 (select |v_#valid_37| |v_ULTIMATE.start_main_~#t2688~0.base_12|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_10|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t2688~0.offset=|v_ULTIMATE.start_main_~#t2688~0.offset_10|, ULTIMATE.start_main_~#t2688~0.base=|v_ULTIMATE.start_main_~#t2688~0.base_12|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_9|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2688~0.offset, ULTIMATE.start_main_~#t2688~0.base, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {6198#(<= ~x~0 0)} is VALID [2020-07-28 21:48:18,645 INFO L280 TraceCheckUtils]: 3: Hoare triple {6198#(<= ~x~0 0)} [185] P0ENTRY-->L717: Formula: (and (= v_~z~0_7 v_~__unbuffered_p0_EAX~0_11) (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= v_P0Thread1of1ForFork0_~arg.base_4 |v_P0Thread1of1ForFork0_#in~arg.base_4|)) InVars {P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~z~0=v_~z~0_7} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_11, P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~z~0=v_~z~0_7, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_4, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_4} AuxVars[] AssignedVars[~__unbuffered_p0_EAX~0, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {6198#(<= ~x~0 0)} is VALID [2020-07-28 21:48:18,646 INFO L280 TraceCheckUtils]: 4: Hoare triple {6198#(<= ~x~0 0)} [169] L772-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork1_thidvar0_2) (= 0 |v_P1Thread1of1ForFork1_#in~arg.base_3|) (= 0 |v_P1Thread1of1ForFork1_#in~arg.offset_3|)) InVars {} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_3, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_3|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_3, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_3|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_3|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_3|, P1Thread1of1ForFork1_thidvar0=v_P1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_#res.offset, P1Thread1of1ForFork1_~arg.base, P1Thread1of1ForFork1_#in~arg.base, P1Thread1of1ForFork1_#in~arg.offset, P1Thread1of1ForFork1_#res.base, P1Thread1of1ForFork1_thidvar0] {6198#(<= ~x~0 0)} is VALID [2020-07-28 21:48:18,646 INFO L280 TraceCheckUtils]: 5: Hoare triple {6198#(<= ~x~0 0)} [193] P1ENTRY-->L732: Formula: (and (= v_~x~0_10 v_~__unbuffered_p1_EAX~0_13) (= |v_P1Thread1of1ForFork1_#in~arg.offset_4| v_P1Thread1of1ForFork1_~arg.offset_4) (= v_P1Thread1of1ForFork1_~arg.base_4 |v_P1Thread1of1ForFork1_#in~arg.base_4|)) InVars {P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|, ~x~0=v_~x~0_10} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_4, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_13, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_4, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|, ~x~0=v_~x~0_10} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, ~__unbuffered_p1_EAX~0, P1Thread1of1ForFork1_~arg.base] {6199#(<= ~__unbuffered_p1_EAX~0 0)} is VALID [2020-07-28 21:48:18,647 INFO L280 TraceCheckUtils]: 6: Hoare triple {6199#(<= ~__unbuffered_p1_EAX~0 0)} [198] L772-1-->L774: Formula: (and (= 0 (select |v_#valid_28| |v_ULTIMATE.start_main_~#t2689~0.base_9|)) (= |v_#valid_27| (store |v_#valid_28| |v_ULTIMATE.start_main_~#t2689~0.base_9| 1)) (= |v_#memory_int_7| (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t2689~0.base_9| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t2689~0.base_9|) |v_ULTIMATE.start_main_~#t2689~0.offset_9| 2))) (= |v_#length_13| (store |v_#length_14| |v_ULTIMATE.start_main_~#t2689~0.base_9| 4)) (not (= 0 |v_ULTIMATE.start_main_~#t2689~0.base_9|)) (= 0 |v_ULTIMATE.start_main_~#t2689~0.offset_9|) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t2689~0.base_9|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_28|, #memory_int=|v_#memory_int_8|, #length=|v_#length_14|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_9|, ULTIMATE.start_main_~#t2689~0.offset=|v_ULTIMATE.start_main_~#t2689~0.offset_9|, #valid=|v_#valid_27|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_7|, #length=|v_#length_13|, ULTIMATE.start_main_~#t2689~0.base=|v_ULTIMATE.start_main_~#t2689~0.base_9|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2689~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t2689~0.base] {6199#(<= ~__unbuffered_p1_EAX~0 0)} is VALID [2020-07-28 21:48:18,648 INFO L280 TraceCheckUtils]: 7: Hoare triple {6199#(<= ~__unbuffered_p1_EAX~0 0)} [171] L774-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#in~arg.base_3|) (= 0 |v_P2Thread1of1ForFork2_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_3|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_3, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_3, P2Thread1of1ForFork2_thidvar0=v_P2Thread1of1ForFork2_thidvar0_2, P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_3|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_3|, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_3|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#in~arg.offset, P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, P2Thread1of1ForFork2_thidvar0, P2Thread1of1ForFork2_#res.base, P2Thread1of1ForFork2_#in~arg.base, P2Thread1of1ForFork2_#res.offset] {6199#(<= ~__unbuffered_p1_EAX~0 0)} is VALID [2020-07-28 21:48:18,649 INFO L280 TraceCheckUtils]: 8: Hoare triple {6199#(<= ~__unbuffered_p1_EAX~0 0)} [184] P2ENTRY-->L747: Formula: (and (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4) (= v_~y~0_11 v_~__unbuffered_p2_EAX~0_15)) InVars {P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_11} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_4, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_4, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_15, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_11} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {6199#(<= ~__unbuffered_p1_EAX~0 0)} is VALID [2020-07-28 21:48:18,649 INFO L280 TraceCheckUtils]: 9: Hoare triple {6199#(<= ~__unbuffered_p1_EAX~0 0)} [222] L774-1-->L3: Formula: (and (= v_ULTIMATE.start_assume_abort_if_not_~cond_22 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (= (mod v_~main$tmp_guard0~0_34 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (let ((.cse0 (= v_~__unbuffered_cnt~0_151 3))) (or (and (= 1 v_~main$tmp_guard0~0_34) .cse0) (and (not .cse0) (= 0 v_~main$tmp_guard0~0_34))))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_151} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_22, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_151, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_34} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {6199#(<= ~__unbuffered_p1_EAX~0 0)} is VALID [2020-07-28 21:48:18,651 INFO L280 TraceCheckUtils]: 10: Hoare triple {6199#(<= ~__unbuffered_p1_EAX~0 0)} [209] L3-->L7: Formula: (and (let ((.cse0 (= 1 v_~__unbuffered_p0_EAX~0_22)) (.cse2 (= 1 v_~__unbuffered_p1_EAX~0_21)) (.cse1 (= 1 v_~__unbuffered_p2_EAX~0_23))) (or (and .cse0 .cse1 (= 0 v_~main$tmp_guard1~0_14) .cse2) (and (= 1 v_~main$tmp_guard1~0_14) (or (not .cse0) (not .cse2) (not .cse1))))) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_12)) (= (mod v_~main$tmp_guard1~0_14 256) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_7|)) InVars {~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_12, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_21, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_11, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_12, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_21, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_14, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_7|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {6200#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} is VALID [2020-07-28 21:48:18,652 INFO L280 TraceCheckUtils]: 11: Hoare triple {6200#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} [206] L7-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_9) (= v_ULTIMATE.start___VERIFIER_assert_~expression_9 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_9, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] {6197#false} is VALID [2020-07-28 21:48:18,653 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 21:48:18,653 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409665292] [2020-07-28 21:48:18,653 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:48:18,653 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 21:48:18,654 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16678373] [2020-07-28 21:48:18,654 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-07-28 21:48:18,654 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:48:18,655 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 21:48:18,670 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:48:18,670 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 21:48:18,670 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:48:18,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 21:48:18,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 21:48:18,671 INFO L87 Difference]: Start difference. First operand 224 states and 610 transitions. Second operand 5 states. [2020-07-28 21:48:18,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:18,808 INFO L93 Difference]: Finished difference Result 293 states and 773 transitions. [2020-07-28 21:48:18,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 21:48:18,808 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-07-28 21:48:18,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:48:18,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:48:18,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 52 transitions. [2020-07-28 21:48:18,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:48:18,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 52 transitions. [2020-07-28 21:48:18,810 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 52 transitions. [2020-07-28 21:48:18,894 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 52 edges. 52 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:48:18,897 INFO L225 Difference]: With dead ends: 293 [2020-07-28 21:48:18,897 INFO L226 Difference]: Without dead ends: 146 [2020-07-28 21:48:18,898 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 21:48:18,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-07-28 21:48:18,901 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,901 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,902 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,902 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,902 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,902 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,903 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,903 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,903 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,904 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,904 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,904 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,904 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,905 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,905 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,905 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,905 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,905 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,905 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,906 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,906 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,906 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,906 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,906 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,907 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,907 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,907 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,907 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,907 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,908 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,908 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,908 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,908 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,908 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,909 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,909 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,909 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,909 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,909 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,909 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,910 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,910 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,910 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,910 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,910 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,911 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,911 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,911 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,911 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,911 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,912 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,912 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,912 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,912 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,912 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,912 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,913 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,913 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,913 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,913 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,913 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,913 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,914 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,914 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,914 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,914 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,914 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,915 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,915 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,915 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,915 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,915 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,916 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,916 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,916 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,916 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,916 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,917 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,917 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,917 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,917 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,917 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,918 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,918 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,918 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,918 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,918 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,918 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,919 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,919 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,919 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,919 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,919 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,920 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,920 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,920 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,920 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,920 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,921 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,921 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,921 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,921 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,921 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,921 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,922 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,922 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,922 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,922 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,922 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,923 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,923 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,923 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,923 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,923 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,924 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,924 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,924 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,924 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,924 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,925 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,925 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,925 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,925 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,925 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,926 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,926 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,926 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,926 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,926 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,927 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,927 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,927 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,927 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,927 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,927 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,928 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,928 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,928 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,928 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,928 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,929 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,929 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,929 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,929 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,930 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,930 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:18,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2020-07-28 21:48:18,930 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:48:18,930 INFO L82 GeneralOperation]: Start isEquivalent. First operand 146 states. Second operand 146 states. [2020-07-28 21:48:18,930 INFO L74 IsIncluded]: Start isIncluded. First operand 146 states. Second operand 146 states. [2020-07-28 21:48:18,931 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 146 states. [2020-07-28 21:48:18,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:18,935 INFO L93 Difference]: Finished difference Result 146 states and 358 transitions. [2020-07-28 21:48:18,935 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 358 transitions. [2020-07-28 21:48:18,935 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:18,935 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:18,935 INFO L74 IsIncluded]: Start isIncluded. First operand 146 states. Second operand 146 states. [2020-07-28 21:48:18,936 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 146 states. [2020-07-28 21:48:18,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:18,940 INFO L93 Difference]: Finished difference Result 146 states and 358 transitions. [2020-07-28 21:48:18,940 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 358 transitions. [2020-07-28 21:48:18,940 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:18,940 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:18,940 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:48:18,941 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:48:18,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-07-28 21:48:18,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 358 transitions. [2020-07-28 21:48:18,944 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 358 transitions. Word has length 12 [2020-07-28 21:48:18,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:48:18,945 INFO L479 AbstractCegarLoop]: Abstraction has 146 states and 358 transitions. [2020-07-28 21:48:18,945 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 21:48:18,945 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 358 transitions. [2020-07-28 21:48:18,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-07-28 21:48:18,945 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:48:18,946 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:48:18,946 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 21:48:18,946 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:48:18,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:48:18,946 INFO L82 PathProgramCache]: Analyzing trace with hash 257080554, now seen corresponding path program 1 times [2020-07-28 21:48:18,946 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:48:18,947 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056092582] [2020-07-28 21:48:18,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:48:18,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:48:19,062 INFO L280 TraceCheckUtils]: 0: Hoare triple {7086#true} [225] ULTIMATE.startENTRY-->L770: Formula: (let ((.cse0 (store |v_#valid_56| 0 0))) (and (= 0 v_~y~0_21) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2687~0.base_21|) (= 0 |v_ULTIMATE.start_main_~#t2687~0.offset_15|) (= (store |v_#length_20| |v_ULTIMATE.start_main_~#t2687~0.base_21| 4) |v_#length_19|) (= 0 v_~z~0_20) (= 0 |v_#NULL.base_6|) (= 0 v_~main$tmp_guard0~0_39) (= (select .cse0 |v_ULTIMATE.start_main_~#t2687~0.base_21|) 0) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2687~0.base_21| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2687~0.base_21|) |v_ULTIMATE.start_main_~#t2687~0.offset_15| 0)) |v_#memory_int_13|) (= 0 v_~__unbuffered_p1_EAX~0_29) (= 0 |v_#NULL.offset_6|) (= 0 v_~__unbuffered_p0_EAX~0_27) (= |v_#valid_54| (store .cse0 |v_ULTIMATE.start_main_~#t2687~0.base_21| 1)) (= 0 v_~main$tmp_guard1~0_21) (= v_~__unbuffered_cnt~0_163 0) (< 0 |v_#StackHeapBarrier_15|) (= 0 v_~__unbuffered_p2_EAX~0_28) (= 0 v_~x~0_24))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_56|, #memory_int=|v_#memory_int_14|, #length=|v_#length_20|} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_9|, ULTIMATE.start_main_~#t2689~0.offset=|v_ULTIMATE.start_main_~#t2689~0.offset_14|, 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_~#t2687~0.base=|v_ULTIMATE.start_main_~#t2687~0.base_21|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_27, ULTIMATE.start_main_~#t2688~0.offset=|v_ULTIMATE.start_main_~#t2688~0.offset_16|, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_29, #length=|v_#length_19|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_28, ~y~0=v_~y~0_21, ULTIMATE.start_main_~#t2689~0.base=|v_ULTIMATE.start_main_~#t2689~0.base_19|, ULTIMATE.start_main_~#t2687~0.offset=|v_ULTIMATE.start_main_~#t2687~0.offset_15|, ULTIMATE.start_main_~#t2688~0.base=|v_ULTIMATE.start_main_~#t2688~0.base_22|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_39, #NULL.base=|v_#NULL.base_6|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_17|, #valid=|v_#valid_54|, #memory_int=|v_#memory_int_13|, ~__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_~#t2687~0.offset, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t2689~0.offset, ULTIMATE.start_main_~#t2688~0.base, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t2687~0.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t2688~0.offset, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ULTIMATE.start_main_~#t2689~0.base, ~x~0] {7088#(= 0 ~y~0)} is VALID [2020-07-28 21:48:19,063 INFO L280 TraceCheckUtils]: 1: Hoare triple {7088#(= 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] {7088#(= 0 ~y~0)} is VALID [2020-07-28 21:48:19,068 INFO L280 TraceCheckUtils]: 2: Hoare triple {7088#(= 0 ~y~0)} [212] L770-1-->L772: Formula: (and (not (= 0 |v_ULTIMATE.start_main_~#t2688~0.base_12|)) (= (store |v_#valid_37| |v_ULTIMATE.start_main_~#t2688~0.base_12| 1) |v_#valid_36|) (= 0 |v_ULTIMATE.start_main_~#t2688~0.offset_10|) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2688~0.base_12|) (= (store |v_#memory_int_10| |v_ULTIMATE.start_main_~#t2688~0.base_12| (store (select |v_#memory_int_10| |v_ULTIMATE.start_main_~#t2688~0.base_12|) |v_ULTIMATE.start_main_~#t2688~0.offset_10| 1)) |v_#memory_int_9|) (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t2688~0.base_12| 4) |v_#length_15|) (= 0 (select |v_#valid_37| |v_ULTIMATE.start_main_~#t2688~0.base_12|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_10|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t2688~0.offset=|v_ULTIMATE.start_main_~#t2688~0.offset_10|, ULTIMATE.start_main_~#t2688~0.base=|v_ULTIMATE.start_main_~#t2688~0.base_12|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_9|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2688~0.offset, ULTIMATE.start_main_~#t2688~0.base, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {7088#(= 0 ~y~0)} is VALID [2020-07-28 21:48:19,069 INFO L280 TraceCheckUtils]: 3: Hoare triple {7088#(= 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] {7088#(= 0 ~y~0)} is VALID [2020-07-28 21:48:19,069 INFO L280 TraceCheckUtils]: 4: Hoare triple {7088#(= 0 ~y~0)} [150] L717-->L720: Formula: (= v_~x~0_1 1) InVars {} OutVars{~x~0=v_~x~0_1} AuxVars[] AssignedVars[~x~0] {7088#(= 0 ~y~0)} is VALID [2020-07-28 21:48:19,070 INFO L280 TraceCheckUtils]: 5: Hoare triple {7088#(= 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] {7088#(= 0 ~y~0)} is VALID [2020-07-28 21:48:19,071 INFO L280 TraceCheckUtils]: 6: Hoare triple {7088#(= 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] {7088#(= 0 ~y~0)} is VALID [2020-07-28 21:48:19,071 INFO L280 TraceCheckUtils]: 7: Hoare triple {7088#(= 0 ~y~0)} [198] L772-1-->L774: Formula: (and (= 0 (select |v_#valid_28| |v_ULTIMATE.start_main_~#t2689~0.base_9|)) (= |v_#valid_27| (store |v_#valid_28| |v_ULTIMATE.start_main_~#t2689~0.base_9| 1)) (= |v_#memory_int_7| (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t2689~0.base_9| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t2689~0.base_9|) |v_ULTIMATE.start_main_~#t2689~0.offset_9| 2))) (= |v_#length_13| (store |v_#length_14| |v_ULTIMATE.start_main_~#t2689~0.base_9| 4)) (not (= 0 |v_ULTIMATE.start_main_~#t2689~0.base_9|)) (= 0 |v_ULTIMATE.start_main_~#t2689~0.offset_9|) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t2689~0.base_9|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_28|, #memory_int=|v_#memory_int_8|, #length=|v_#length_14|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_9|, ULTIMATE.start_main_~#t2689~0.offset=|v_ULTIMATE.start_main_~#t2689~0.offset_9|, #valid=|v_#valid_27|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_7|, #length=|v_#length_13|, ULTIMATE.start_main_~#t2689~0.base=|v_ULTIMATE.start_main_~#t2689~0.base_9|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2689~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t2689~0.base] {7088#(= 0 ~y~0)} is VALID [2020-07-28 21:48:19,072 INFO L280 TraceCheckUtils]: 8: Hoare triple {7088#(= 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] {7088#(= 0 ~y~0)} is VALID [2020-07-28 21:48:19,073 INFO L280 TraceCheckUtils]: 9: Hoare triple {7088#(= 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] {7089#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:48:19,074 INFO L280 TraceCheckUtils]: 10: Hoare triple {7089#(= 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] {7089#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:48:19,077 INFO L280 TraceCheckUtils]: 11: Hoare triple {7089#(= 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] {7090#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} is VALID [2020-07-28 21:48:19,077 INFO L280 TraceCheckUtils]: 12: Hoare triple {7090#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} [206] L7-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_9) (= v_ULTIMATE.start___VERIFIER_assert_~expression_9 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_9, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] {7087#false} is VALID [2020-07-28 21:48:19,078 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 21:48:19,078 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056092582] [2020-07-28 21:48:19,078 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:48:19,079 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 21:48:19,079 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24808441] [2020-07-28 21:48:19,079 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-07-28 21:48:19,079 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:48:19,079 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 21:48:19,101 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 21:48:19,101 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 21:48:19,101 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:48:19,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 21:48:19,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 21:48:19,102 INFO L87 Difference]: Start difference. First operand 146 states and 358 transitions. Second operand 5 states. [2020-07-28 21:48:19,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:19,247 INFO L93 Difference]: Finished difference Result 176 states and 423 transitions. [2020-07-28 21:48:19,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 21:48:19,247 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-07-28 21:48:19,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:48:19,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:48:19,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 42 transitions. [2020-07-28 21:48:19,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:48:19,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 42 transitions. [2020-07-28 21:48:19,249 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 42 transitions. [2020-07-28 21:48:19,308 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 21:48:19,310 INFO L225 Difference]: With dead ends: 176 [2020-07-28 21:48:19,310 INFO L226 Difference]: Without dead ends: 98 [2020-07-28 21:48:19,311 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 21:48:19,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-07-28 21:48:19,313 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,313 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,313 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,313 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,314 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,314 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,314 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,314 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,314 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,314 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,315 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,315 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,315 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,315 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,315 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,316 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,316 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,316 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,316 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,316 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,317 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,317 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,317 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,317 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,317 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,318 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,318 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,318 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,318 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,318 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,319 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,319 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,319 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,319 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,319 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,320 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,320 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,320 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,320 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,320 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,321 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,321 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,321 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,321 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,321 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,322 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,322 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,322 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,322 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,323 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,323 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,323 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,323 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,323 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,324 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,324 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,324 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,324 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,325 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,325 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,325 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,325 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,325 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,326 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,326 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,326 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,326 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,326 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,327 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,327 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,327 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,327 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,327 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,327 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,328 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,328 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,328 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,328 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,328 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,329 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,329 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,329 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,329 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,329 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,330 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,330 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,330 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,330 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,330 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,331 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,331 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,331 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,331 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,331 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,332 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,332 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,332 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,332 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:19,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2020-07-28 21:48:19,333 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:48:19,333 INFO L82 GeneralOperation]: Start isEquivalent. First operand 98 states. Second operand 98 states. [2020-07-28 21:48:19,333 INFO L74 IsIncluded]: Start isIncluded. First operand 98 states. Second operand 98 states. [2020-07-28 21:48:19,333 INFO L87 Difference]: Start difference. First operand 98 states. Second operand 98 states. [2020-07-28 21:48:19,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:19,336 INFO L93 Difference]: Finished difference Result 98 states and 218 transitions. [2020-07-28 21:48:19,336 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 218 transitions. [2020-07-28 21:48:19,336 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:19,336 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:19,337 INFO L74 IsIncluded]: Start isIncluded. First operand 98 states. Second operand 98 states. [2020-07-28 21:48:19,337 INFO L87 Difference]: Start difference. First operand 98 states. Second operand 98 states. [2020-07-28 21:48:19,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:19,340 INFO L93 Difference]: Finished difference Result 98 states and 218 transitions. [2020-07-28 21:48:19,340 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 218 transitions. [2020-07-28 21:48:19,340 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:19,340 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:19,340 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:48:19,341 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:48:19,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-07-28 21:48:19,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 218 transitions. [2020-07-28 21:48:19,343 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 218 transitions. Word has length 13 [2020-07-28 21:48:19,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:48:19,343 INFO L479 AbstractCegarLoop]: Abstraction has 98 states and 218 transitions. [2020-07-28 21:48:19,343 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 21:48:19,343 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 218 transitions. [2020-07-28 21:48:19,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-07-28 21:48:19,344 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:48:19,344 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:48:19,344 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 21:48:19,345 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:48:19,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:48:19,345 INFO L82 PathProgramCache]: Analyzing trace with hash -647415272, now seen corresponding path program 1 times [2020-07-28 21:48:19,345 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:48:19,345 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423298313] [2020-07-28 21:48:19,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:48:19,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:48:19,449 INFO L280 TraceCheckUtils]: 0: Hoare triple {7667#true} [225] ULTIMATE.startENTRY-->L770: Formula: (let ((.cse0 (store |v_#valid_56| 0 0))) (and (= 0 v_~y~0_21) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2687~0.base_21|) (= 0 |v_ULTIMATE.start_main_~#t2687~0.offset_15|) (= (store |v_#length_20| |v_ULTIMATE.start_main_~#t2687~0.base_21| 4) |v_#length_19|) (= 0 v_~z~0_20) (= 0 |v_#NULL.base_6|) (= 0 v_~main$tmp_guard0~0_39) (= (select .cse0 |v_ULTIMATE.start_main_~#t2687~0.base_21|) 0) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2687~0.base_21| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2687~0.base_21|) |v_ULTIMATE.start_main_~#t2687~0.offset_15| 0)) |v_#memory_int_13|) (= 0 v_~__unbuffered_p1_EAX~0_29) (= 0 |v_#NULL.offset_6|) (= 0 v_~__unbuffered_p0_EAX~0_27) (= |v_#valid_54| (store .cse0 |v_ULTIMATE.start_main_~#t2687~0.base_21| 1)) (= 0 v_~main$tmp_guard1~0_21) (= v_~__unbuffered_cnt~0_163 0) (< 0 |v_#StackHeapBarrier_15|) (= 0 v_~__unbuffered_p2_EAX~0_28) (= 0 v_~x~0_24))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_56|, #memory_int=|v_#memory_int_14|, #length=|v_#length_20|} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_9|, ULTIMATE.start_main_~#t2689~0.offset=|v_ULTIMATE.start_main_~#t2689~0.offset_14|, 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_~#t2687~0.base=|v_ULTIMATE.start_main_~#t2687~0.base_21|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_27, ULTIMATE.start_main_~#t2688~0.offset=|v_ULTIMATE.start_main_~#t2688~0.offset_16|, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_29, #length=|v_#length_19|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_28, ~y~0=v_~y~0_21, ULTIMATE.start_main_~#t2689~0.base=|v_ULTIMATE.start_main_~#t2689~0.base_19|, ULTIMATE.start_main_~#t2687~0.offset=|v_ULTIMATE.start_main_~#t2687~0.offset_15|, ULTIMATE.start_main_~#t2688~0.base=|v_ULTIMATE.start_main_~#t2688~0.base_22|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_39, #NULL.base=|v_#NULL.base_6|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_17|, #valid=|v_#valid_54|, #memory_int=|v_#memory_int_13|, ~__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_~#t2687~0.offset, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t2689~0.offset, ULTIMATE.start_main_~#t2688~0.base, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t2687~0.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t2688~0.offset, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ULTIMATE.start_main_~#t2689~0.base, ~x~0] {7669#(= 0 ~z~0)} is VALID [2020-07-28 21:48:19,450 INFO L280 TraceCheckUtils]: 1: Hoare triple {7669#(= 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] {7669#(= 0 ~z~0)} is VALID [2020-07-28 21:48:19,451 INFO L280 TraceCheckUtils]: 2: Hoare triple {7669#(= 0 ~z~0)} [212] L770-1-->L772: Formula: (and (not (= 0 |v_ULTIMATE.start_main_~#t2688~0.base_12|)) (= (store |v_#valid_37| |v_ULTIMATE.start_main_~#t2688~0.base_12| 1) |v_#valid_36|) (= 0 |v_ULTIMATE.start_main_~#t2688~0.offset_10|) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2688~0.base_12|) (= (store |v_#memory_int_10| |v_ULTIMATE.start_main_~#t2688~0.base_12| (store (select |v_#memory_int_10| |v_ULTIMATE.start_main_~#t2688~0.base_12|) |v_ULTIMATE.start_main_~#t2688~0.offset_10| 1)) |v_#memory_int_9|) (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t2688~0.base_12| 4) |v_#length_15|) (= 0 (select |v_#valid_37| |v_ULTIMATE.start_main_~#t2688~0.base_12|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_10|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t2688~0.offset=|v_ULTIMATE.start_main_~#t2688~0.offset_10|, ULTIMATE.start_main_~#t2688~0.base=|v_ULTIMATE.start_main_~#t2688~0.base_12|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_9|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2688~0.offset, ULTIMATE.start_main_~#t2688~0.base, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {7669#(= 0 ~z~0)} is VALID [2020-07-28 21:48:19,452 INFO L280 TraceCheckUtils]: 3: Hoare triple {7669#(= 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] {7670#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:48:19,452 INFO L280 TraceCheckUtils]: 4: Hoare triple {7670#(= 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] {7670#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:48:19,453 INFO L280 TraceCheckUtils]: 5: Hoare triple {7670#(= 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] {7670#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:48:19,454 INFO L280 TraceCheckUtils]: 6: Hoare triple {7670#(= 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] {7670#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:48:19,454 INFO L280 TraceCheckUtils]: 7: Hoare triple {7670#(= 0 ~__unbuffered_p0_EAX~0)} [198] L772-1-->L774: Formula: (and (= 0 (select |v_#valid_28| |v_ULTIMATE.start_main_~#t2689~0.base_9|)) (= |v_#valid_27| (store |v_#valid_28| |v_ULTIMATE.start_main_~#t2689~0.base_9| 1)) (= |v_#memory_int_7| (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t2689~0.base_9| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t2689~0.base_9|) |v_ULTIMATE.start_main_~#t2689~0.offset_9| 2))) (= |v_#length_13| (store |v_#length_14| |v_ULTIMATE.start_main_~#t2689~0.base_9| 4)) (not (= 0 |v_ULTIMATE.start_main_~#t2689~0.base_9|)) (= 0 |v_ULTIMATE.start_main_~#t2689~0.offset_9|) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t2689~0.base_9|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_28|, #memory_int=|v_#memory_int_8|, #length=|v_#length_14|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_9|, ULTIMATE.start_main_~#t2689~0.offset=|v_ULTIMATE.start_main_~#t2689~0.offset_9|, #valid=|v_#valid_27|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_7|, #length=|v_#length_13|, ULTIMATE.start_main_~#t2689~0.base=|v_ULTIMATE.start_main_~#t2689~0.base_9|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2689~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t2689~0.base] {7670#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:48:19,455 INFO L280 TraceCheckUtils]: 8: Hoare triple {7670#(= 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] {7670#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:48:19,456 INFO L280 TraceCheckUtils]: 9: Hoare triple {7670#(= 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] {7670#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:48:19,456 INFO L280 TraceCheckUtils]: 10: Hoare triple {7670#(= 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] {7670#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:48:19,457 INFO L280 TraceCheckUtils]: 11: Hoare triple {7670#(= 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] {7670#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:48:19,458 INFO L280 TraceCheckUtils]: 12: Hoare triple {7670#(= 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] {7671#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} is VALID [2020-07-28 21:48:19,459 INFO L280 TraceCheckUtils]: 13: Hoare triple {7671#(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] {7668#false} is VALID [2020-07-28 21:48:19,459 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 21:48:19,460 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423298313] [2020-07-28 21:48:19,460 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:48:19,460 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 21:48:19,460 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923779890] [2020-07-28 21:48:19,461 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-07-28 21:48:19,461 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:48:19,461 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 21:48:19,477 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 21:48:19,477 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 21:48:19,477 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:48:19,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 21:48:19,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 21:48:19,478 INFO L87 Difference]: Start difference. First operand 98 states and 218 transitions. Second operand 5 states. [2020-07-28 21:48:19,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:19,573 INFO L93 Difference]: Finished difference Result 86 states and 186 transitions. [2020-07-28 21:48:19,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 21:48:19,573 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-07-28 21:48:19,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:48:19,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:48:19,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 29 transitions. [2020-07-28 21:48:19,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:48:19,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 29 transitions. [2020-07-28 21:48:19,574 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 29 transitions. [2020-07-28 21:48:19,617 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 21:48:19,617 INFO L225 Difference]: With dead ends: 86 [2020-07-28 21:48:19,617 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 21:48:19,618 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 21:48:19,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 21:48:19,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 21:48:19,618 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:48:19,618 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 21:48:19,618 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 21:48:19,618 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 21:48:19,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:19,619 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 21:48:19,619 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 21:48:19,619 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:19,619 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:19,619 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 21:48:19,620 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 21:48:19,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:19,620 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 21:48:19,620 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 21:48:19,621 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:19,621 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:19,621 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:48:19,621 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:48:19,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 21:48:19,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 21:48:19,622 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2020-07-28 21:48:19,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:48:19,622 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 21:48:19,622 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 21:48:19,622 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 21:48:19,622 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:19,623 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-28 21:48:19,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 09:48:19 BasicIcfg [2020-07-28 21:48:19,627 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 21:48:19,627 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 21:48:19,628 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 21:48:19,628 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 21:48:19,628 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 09:48:14" (3/4) ... [2020-07-28 21:48:19,632 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 21:48:19,638 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2020-07-28 21:48:19,638 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2020-07-28 21:48:19,638 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2020-07-28 21:48:19,645 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-07-28 21:48:19,645 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-07-28 21:48:19,645 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 21:48:19,711 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 21:48:19,711 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 21:48:19,714 INFO L168 Benchmark]: Toolchain (without parser) took 6779.61 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 295.2 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -139.8 MB). Peak memory consumption was 155.4 MB. Max. memory is 11.5 GB. [2020-07-28 21:48:19,717 INFO L168 Benchmark]: CDTParser took 0.29 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 21:48:19,720 INFO L168 Benchmark]: CACSL2BoogieTranslator took 674.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -163.3 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2020-07-28 21:48:19,723 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.75 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2020-07-28 21:48:19,724 INFO L168 Benchmark]: Boogie Preprocessor took 34.45 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 21:48:19,726 INFO L168 Benchmark]: RCFGBuilder took 525.63 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: 30.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. [2020-07-28 21:48:19,726 INFO L168 Benchmark]: TraceAbstraction took 5402.14 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 141.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -13.4 MB). Peak memory consumption was 127.7 MB. Max. memory is 11.5 GB. [2020-07-28 21:48:19,726 INFO L168 Benchmark]: Witness Printer took 83.45 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 21:48:19,729 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 674.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -163.3 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.75 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.45 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 525.63 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: 30.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5402.14 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 141.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -13.4 MB). Peak memory consumption was 127.7 MB. Max. memory is 11.5 GB. * Witness Printer took 83.45 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.1s, 79 ProgramPointsBefore, 32 ProgramPointsAfterwards, 71 TransitionsBefore, 23 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 6 FixpointIterations, 15 TrivialSequentialCompositions, 32 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 10 ConcurrentYvCompositions, 1 ChoiceCompositions, 688 VarBasedMoverChecksPositive, 31 VarBasedMoverChecksNegative, 17 SemBasedMoverChecksPositive, 29 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.6s, 0 MoverChecksTotal, 2463 CheckedPairsTotal, 57 TotalNumberOfCompositions - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 70 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.2s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.2s, HoareTripleCheckerStatistics: 156 SDtfs, 154 SDslu, 205 SDs, 0 SdLazy, 46 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=362occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 77 NumberOfCodeBlocks, 77 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 70 ConstructedInterpolants, 0 QuantifiedInterpolants, 2464 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...