./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe014_tso.opt.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/safe014_tso.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1948735c762e7e112e3c2317689824f4ffb5eb90 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 21:34:52,613 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 21:34:52,616 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 21:34:52,634 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 21:34:52,634 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 21:34:52,636 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 21:34:52,638 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 21:34:52,653 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 21:34:52,655 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 21:34:52,657 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 21:34:52,658 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 21:34:52,659 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 21:34:52,659 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 21:34:52,660 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 21:34:52,661 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 21:34:52,664 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 21:34:52,665 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 21:34:52,666 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 21:34:52,670 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 21:34:52,673 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 21:34:52,677 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 21:34:52,681 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 21:34:52,685 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 21:34:52,686 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 21:34:52,690 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 21:34:52,690 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 21:34:52,690 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 21:34:52,691 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 21:34:52,693 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 21:34:52,694 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 21:34:52,694 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 21:34:52,695 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 21:34:52,697 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 21:34:52,698 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 21:34:52,699 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 21:34:52,700 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 21:34:52,701 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 21:34:52,701 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 21:34:52,701 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 21:34:52,702 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 21:34:52,704 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 21:34:52,704 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 21:34:52,727 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 21:34:52,728 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 21:34:52,729 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 21:34:52,730 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 21:34:52,730 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 21:34:52,730 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 21:34:52,731 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 21:34:52,731 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 21:34:52,731 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 21:34:52,732 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 21:34:52,733 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 21:34:52,733 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 21:34:52,733 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 21:34:52,734 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 21:34:52,734 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 21:34:52,735 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 21:34:52,735 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 21:34:52,735 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 21:34:52,735 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 21:34:52,736 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 21:34:52,736 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 21:34:52,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 21:34:52,737 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 21:34:52,737 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 21:34:52,737 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 21:34:52,738 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 21:34:52,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 21:34:52,738 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 21:34:52,738 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 21:34:52,738 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 -> 1948735c762e7e112e3c2317689824f4ffb5eb90 [2020-07-28 21:34:53,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 21:34:53,053 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 21:34:53,057 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 21:34:53,058 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 21:34:53,059 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 21:34:53,059 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe014_tso.opt.i [2020-07-28 21:34:53,122 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd9b28e5e/a853044d408c484aad9cc23c78a3c766/FLAG93c1a50c1 [2020-07-28 21:34:53,631 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 21:34:53,633 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe014_tso.opt.i [2020-07-28 21:34:53,645 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd9b28e5e/a853044d408c484aad9cc23c78a3c766/FLAG93c1a50c1 [2020-07-28 21:34:53,958 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd9b28e5e/a853044d408c484aad9cc23c78a3c766 [2020-07-28 21:34:53,962 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 21:34:53,965 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 21:34:53,966 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 21:34:53,967 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 21:34:53,970 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 21:34:53,972 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 09:34:53" (1/1) ... [2020-07-28 21:34:53,975 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b6eca43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:34:53, skipping insertion in model container [2020-07-28 21:34:53,975 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 09:34:53" (1/1) ... [2020-07-28 21:34:53,983 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 21:34:54,045 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 21:34:54,525 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 21:34:54,539 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 21:34:54,635 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 21:34:54,712 INFO L208 MainTranslator]: Completed translation [2020-07-28 21:34:54,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:34:54 WrapperNode [2020-07-28 21:34:54,713 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 21:34:54,714 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 21:34:54,714 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 21:34:54,715 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 21:34:54,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:34:54" (1/1) ... [2020-07-28 21:34:54,740 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:34:54" (1/1) ... [2020-07-28 21:34:54,766 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 21:34:54,766 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 21:34:54,767 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 21:34:54,767 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 21:34:54,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:34:54" (1/1) ... [2020-07-28 21:34:54,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:34:54" (1/1) ... [2020-07-28 21:34:54,777 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:34:54" (1/1) ... [2020-07-28 21:34:54,778 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:34:54" (1/1) ... [2020-07-28 21:34:54,786 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:34:54" (1/1) ... [2020-07-28 21:34:54,789 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:34:54" (1/1) ... [2020-07-28 21:34:54,791 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:34:54" (1/1) ... [2020-07-28 21:34:54,795 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 21:34:54,795 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 21:34:54,796 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 21:34:54,796 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 21:34:54,797 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:34:54" (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 21:34:54,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-28 21:34:54,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-07-28 21:34:54,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 21:34:54,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 21:34:54,870 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-07-28 21:34:54,870 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-07-28 21:34:54,870 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-07-28 21:34:54,870 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-07-28 21:34:54,871 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-07-28 21:34:54,871 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-07-28 21:34:54,871 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-07-28 21:34:54,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 21:34:54,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 21:34:54,873 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 21:34:55,324 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 21:34:55,324 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-07-28 21:34:55,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 09:34:55 BoogieIcfgContainer [2020-07-28 21:34:55,328 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 21:34:55,330 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 21:34:55,330 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 21:34:55,333 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 21:34:55,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 09:34:53" (1/3) ... [2020-07-28 21:34:55,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fa5f2cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 09:34:55, skipping insertion in model container [2020-07-28 21:34:55,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:34:54" (2/3) ... [2020-07-28 21:34:55,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fa5f2cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 09:34:55, skipping insertion in model container [2020-07-28 21:34:55,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 09:34:55" (3/3) ... [2020-07-28 21:34:55,337 INFO L109 eAbstractionObserver]: Analyzing ICFG safe014_tso.opt.i [2020-07-28 21:34:55,347 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-07-28 21:34:55,348 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 21:34:55,355 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 21:34:55,356 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-07-28 21:34:55,390 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:55,390 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:55,391 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:55,391 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:55,392 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:55,392 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:55,393 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:55,393 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:55,393 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:55,394 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:55,394 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:55,394 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:55,395 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:55,395 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:55,395 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:55,396 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:55,396 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:55,397 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:55,400 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:55,401 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:55,401 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:55,401 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:55,407 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:55,407 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:55,408 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:55,408 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:55,414 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:55,414 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:55,414 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:55,414 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:34:55,430 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-07-28 21:34:55,450 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 21:34:55,451 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 21:34:55,451 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 21:34:55,451 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 21:34:55,451 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 21:34:55,451 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 21:34:55,452 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 21:34:55,452 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 21:34:55,467 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 70 transitions, 155 flow [2020-07-28 21:34:55,469 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 78 places, 70 transitions, 155 flow [2020-07-28 21:34:55,511 INFO L129 PetriNetUnfolder]: 2/67 cut-off events. [2020-07-28 21:34:55,512 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-07-28 21:34:55,517 INFO L80 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 67 events. 2/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 46 event pairs, 0 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-07-28 21:34:55,520 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 78 places, 70 transitions, 155 flow [2020-07-28 21:34:55,544 INFO L129 PetriNetUnfolder]: 2/67 cut-off events. [2020-07-28 21:34:55,545 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-07-28 21:34:55,546 INFO L80 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 67 events. 2/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 46 event pairs, 0 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-07-28 21:34:55,548 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1260 [2020-07-28 21:34:55,549 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-07-28 21:34:57,872 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2020-07-28 21:34:57,969 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2700 [2020-07-28 21:34:57,969 INFO L214 etLargeBlockEncoding]: Total number of compositions: 59 [2020-07-28 21:34:57,974 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 31 places, 22 transitions, 59 flow [2020-07-28 21:34:57,999 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 298 states. [2020-07-28 21:34:58,002 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states. [2020-07-28 21:34:58,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-07-28 21:34:58,010 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:34:58,011 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:34:58,011 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:34:58,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:34:58,017 INFO L82 PathProgramCache]: Analyzing trace with hash -1011733384, now seen corresponding path program 1 times [2020-07-28 21:34:58,024 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:34:58,025 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125065989] [2020-07-28 21:34:58,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:34:58,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:34:58,241 INFO L280 TraceCheckUtils]: 0: Hoare triple {677#true} [226] ULTIMATE.startENTRY-->L768: Formula: (let ((.cse0 (store |v_#valid_58| 0 0))) (and (= 0 v_~main$tmp_guard0~0_35) (= v_~__unbuffered_cnt~0_131 0) (= 0 v_~main$tmp_guard1~0_41) (= 0 v_~__unbuffered_p0_EAX~0_53) (= |v_#length_19| (store |v_#length_20| |v_ULTIMATE.start_main_~#t2118~0.base_24| 4)) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t2118~0.base_24|)) (= 0 |v_#NULL.base_6|) (= (store |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2118~0.base_24| (store (select |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2118~0.base_24|) |v_ULTIMATE.start_main_~#t2118~0.offset_17| 0)) |v_#memory_int_17|) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2118~0.base_24|) (= (store .cse0 |v_ULTIMATE.start_main_~#t2118~0.base_24| 1) |v_#valid_56|) (= 0 v_~y~0_30) (= 0 |v_ULTIMATE.start_main_~#t2118~0.offset_17|) (= 0 v_~x~0_59) (= 0 |v_#NULL.offset_6|) (= 0 v_~__unbuffered_p2_EAX~0_44) (< 0 |v_#StackHeapBarrier_15|) (= v_~__unbuffered_p0_EBX~0_47 0))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_58|, #memory_int=|v_#memory_int_18|, #length=|v_#length_20|} OutVars{~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_47, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_25|, ULTIMATE.start_main_~#t2119~0.offset=|v_ULTIMATE.start_main_~#t2119~0.offset_16|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_6|, #NULL.offset=|v_#NULL.offset_6|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_41, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_35, #NULL.base=|v_#NULL.base_6|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_53, ULTIMATE.start_main_~#t2119~0.base=|v_ULTIMATE.start_main_~#t2119~0.base_22|, ULTIMATE.start_main_~#t2120~0.offset=|v_ULTIMATE.start_main_~#t2120~0.offset_14|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_16|, ULTIMATE.start_main_~#t2118~0.offset=|v_ULTIMATE.start_main_~#t2118~0.offset_17|, #valid=|v_#valid_56|, #memory_int=|v_#memory_int_17|, #length=|v_#length_19|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_44, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_131, ULTIMATE.start_main_~#t2118~0.base=|v_ULTIMATE.start_main_~#t2118~0.base_24|, ULTIMATE.start_main_~#t2120~0.base=|v_ULTIMATE.start_main_~#t2120~0.base_19|, ~y~0=v_~y~0_30, ~x~0=v_~x~0_59} AuxVars[] AssignedVars[~__unbuffered_p0_EBX~0, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t2119~0.offset, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t2119~0.base, ULTIMATE.start_main_~#t2120~0.offset, ULTIMATE.start_main_#res, ULTIMATE.start_main_~#t2118~0.offset, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ULTIMATE.start_main_~#t2118~0.base, ULTIMATE.start_main_~#t2120~0.base, ~y~0, ~x~0] {679#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:34:58,243 INFO L280 TraceCheckUtils]: 1: Hoare triple {679#(= 0 ~__unbuffered_p0_EAX~0)} [165] L768-->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] {679#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:34:58,244 INFO L280 TraceCheckUtils]: 2: Hoare triple {679#(= 0 ~__unbuffered_p0_EAX~0)} [202] L768-1-->L770: Formula: (and (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t2119~0.base_9|) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t2119~0.base_9| 4)) (= |v_#valid_33| (store |v_#valid_34| |v_ULTIMATE.start_main_~#t2119~0.base_9| 1)) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2119~0.base_9| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2119~0.base_9|) |v_ULTIMATE.start_main_~#t2119~0.offset_8| 1)) |v_#memory_int_13|) (not (= 0 |v_ULTIMATE.start_main_~#t2119~0.base_9|)) (= 0 |v_ULTIMATE.start_main_~#t2119~0.offset_8|) (= 0 (select |v_#valid_34| |v_ULTIMATE.start_main_~#t2119~0.base_9|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_14|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_~#t2119~0.offset=|v_ULTIMATE.start_main_~#t2119~0.offset_8|, ULTIMATE.start_main_~#t2119~0.base=|v_ULTIMATE.start_main_~#t2119~0.base_9|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_4|, #valid=|v_#valid_33|, #memory_int=|v_#memory_int_13|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2119~0.offset, ULTIMATE.start_main_~#t2119~0.base, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {679#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:34:58,245 INFO L280 TraceCheckUtils]: 3: Hoare triple {679#(= 0 ~__unbuffered_p0_EAX~0)} [167] L770-->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] {679#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:34:58,246 INFO L280 TraceCheckUtils]: 4: Hoare triple {679#(= 0 ~__unbuffered_p0_EAX~0)} [196] L770-1-->L772: Formula: (and (= 0 |v_ULTIMATE.start_main_~#t2120~0.offset_8|) (= (store |v_#valid_28| |v_ULTIMATE.start_main_~#t2120~0.base_8| 1) |v_#valid_27|) (= (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2120~0.base_8| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2120~0.base_8|) |v_ULTIMATE.start_main_~#t2120~0.offset_8| 2)) |v_#memory_int_11|) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t2120~0.base_8|) (not (= 0 |v_ULTIMATE.start_main_~#t2120~0.base_8|)) (= 0 (select |v_#valid_28| |v_ULTIMATE.start_main_~#t2120~0.base_8|)) (= (store |v_#length_14| |v_ULTIMATE.start_main_~#t2120~0.base_8| 4) |v_#length_13|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_28|, #memory_int=|v_#memory_int_12|, #length=|v_#length_14|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_9|, ULTIMATE.start_main_~#t2120~0.offset=|v_ULTIMATE.start_main_~#t2120~0.offset_8|, #valid=|v_#valid_27|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_3|, #memory_int=|v_#memory_int_11|, #length=|v_#length_13|, ULTIMATE.start_main_~#t2120~0.base=|v_ULTIMATE.start_main_~#t2120~0.base_8|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2120~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t2120~0.base] {679#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:34:58,247 INFO L280 TraceCheckUtils]: 5: Hoare triple {679#(= 0 ~__unbuffered_p0_EAX~0)} [169] L772-->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] {679#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:34:58,248 INFO L280 TraceCheckUtils]: 6: Hoare triple {679#(= 0 ~__unbuffered_p0_EAX~0)} [207] L772-1-->L2: Formula: (and (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond_8| (mod v_~main$tmp_guard0~0_22 256)) (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_91))) (or (and (= 1 v_~main$tmp_guard0~0_22) .cse0) (and (not .cse0) (= 0 v_~main$tmp_guard0~0_22))))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_91} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_8|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_10, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_13|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_91, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_22} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {679#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:34:58,249 INFO L280 TraceCheckUtils]: 7: Hoare triple {679#(= 0 ~__unbuffered_p0_EAX~0)} [225] L2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_26)) (= 2 v_~__unbuffered_p2_EAX~0_43) (= 2 v_~x~0_58) (= v_ULTIMATE.start___VERIFIER_assert_~expression_17 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_11|) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_11| (mod v_~main$tmp_guard1~0_40 256)) (= v_~__unbuffered_p0_EBX~0_46 0) (= 1 v_~__unbuffered_p0_EAX~0_52) (= 0 v_~main$tmp_guard1~0_40) (= v_ULTIMATE.start_assume_abort_if_not_~cond_26 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_24|)) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_24|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_52, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_46, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_43, ~x~0=v_~x~0_58} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_24|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_52, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_17, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_46, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_26, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_40, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_43, ~x~0=v_~x~0_58, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_11|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {678#false} is VALID [2020-07-28 21:34:58,251 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 21:34:58,252 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125065989] [2020-07-28 21:34:58,253 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:34:58,253 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-07-28 21:34:58,254 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961683568] [2020-07-28 21:34:58,260 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-07-28 21:34:58,261 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:34:58,265 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 21:34:58,284 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 21:34:58,284 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 21:34:58,284 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:34:58,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 21:34:58,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 21:34:58,297 INFO L87 Difference]: Start difference. First operand 298 states. Second operand 3 states. [2020-07-28 21:34:58,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:34:58,433 INFO L93 Difference]: Finished difference Result 282 states and 808 transitions. [2020-07-28 21:34:58,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 21:34:58,434 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-07-28 21:34:58,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:34:58,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 21:34:58,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 33 transitions. [2020-07-28 21:34:58,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 21:34:58,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 33 transitions. [2020-07-28 21:34:58,439 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 33 transitions. [2020-07-28 21:34:58,483 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:34:58,509 INFO L225 Difference]: With dead ends: 282 [2020-07-28 21:34:58,509 INFO L226 Difference]: Without dead ends: 218 [2020-07-28 21:34:58,511 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 21:34:58,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2020-07-28 21:34:58,556 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,558 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,559 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,559 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,559 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,560 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,560 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,560 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,560 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,561 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,561 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,561 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,562 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,562 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,562 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,563 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,563 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,563 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,564 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,564 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,564 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,565 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,565 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,565 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,565 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,566 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,566 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,566 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,567 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,567 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,567 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,568 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,568 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,568 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,568 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,569 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,569 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,569 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,570 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,570 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,570 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,571 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,571 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,571 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,572 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,572 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,572 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,572 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,573 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,573 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,573 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,574 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,574 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,574 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,575 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,575 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,575 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,575 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,576 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,576 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,576 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,577 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,577 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,577 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,578 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,578 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,578 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,579 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,579 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,579 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,580 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,580 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,580 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,580 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,581 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,581 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,581 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,582 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,582 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,582 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,583 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,583 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,583 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,584 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,584 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,584 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,584 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,585 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,585 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,585 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,586 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,586 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,586 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,587 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,587 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,587 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,588 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,588 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,588 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,589 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,589 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,589 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,589 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,590 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,590 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,590 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,591 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,591 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,591 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,592 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,592 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,592 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,592 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,593 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,593 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,593 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,594 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,594 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,594 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,595 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,595 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,595 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,596 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,596 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,596 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,596 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,597 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,597 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,597 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,598 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,598 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,598 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,599 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,599 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,599 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,600 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,600 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,600 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,601 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,601 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,601 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,601 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,602 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,602 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,602 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,603 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,603 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,603 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,604 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,604 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,604 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,604 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,605 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,605 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,605 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,606 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,606 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,606 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,607 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,607 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,607 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,608 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,608 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,608 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,608 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,609 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,609 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,609 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,610 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,610 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,610 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,611 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,611 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,611 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,612 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,612 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,612 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,613 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,613 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,613 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,614 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,614 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,614 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,614 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,615 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,615 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,615 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,616 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,616 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,616 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,617 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,617 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,617 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,618 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,618 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,618 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,619 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,619 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,619 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,620 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,620 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,620 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,621 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,621 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,621 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,622 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,622 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,622 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,623 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,623 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,623 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,624 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,624 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,624 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,625 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,625 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,626 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,626 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2020-07-28 21:34:58,627 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:34:58,628 INFO L82 GeneralOperation]: Start isEquivalent. First operand 218 states. Second operand 218 states. [2020-07-28 21:34:58,629 INFO L74 IsIncluded]: Start isIncluded. First operand 218 states. Second operand 218 states. [2020-07-28 21:34:58,629 INFO L87 Difference]: Start difference. First operand 218 states. Second operand 218 states. [2020-07-28 21:34:58,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:34:58,650 INFO L93 Difference]: Finished difference Result 218 states and 600 transitions. [2020-07-28 21:34:58,650 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 600 transitions. [2020-07-28 21:34:58,653 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:34:58,653 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:34:58,654 INFO L74 IsIncluded]: Start isIncluded. First operand 218 states. Second operand 218 states. [2020-07-28 21:34:58,654 INFO L87 Difference]: Start difference. First operand 218 states. Second operand 218 states. [2020-07-28 21:34:58,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:34:58,673 INFO L93 Difference]: Finished difference Result 218 states and 600 transitions. [2020-07-28 21:34:58,674 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 600 transitions. [2020-07-28 21:34:58,676 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:34:58,676 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:34:58,676 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:34:58,677 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:34:58,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-07-28 21:34:58,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 600 transitions. [2020-07-28 21:34:58,695 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 600 transitions. Word has length 8 [2020-07-28 21:34:58,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:34:58,696 INFO L479 AbstractCegarLoop]: Abstraction has 218 states and 600 transitions. [2020-07-28 21:34:58,696 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 21:34:58,696 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 600 transitions. [2020-07-28 21:34:58,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-07-28 21:34:58,697 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:34:58,697 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:34:58,698 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 21:34:58,698 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:34:58,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:34:58,698 INFO L82 PathProgramCache]: Analyzing trace with hash -1035713695, now seen corresponding path program 1 times [2020-07-28 21:34:58,699 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:34:58,699 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687427350] [2020-07-28 21:34:58,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:34:58,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:34:58,782 INFO L280 TraceCheckUtils]: 0: Hoare triple {1836#true} [226] ULTIMATE.startENTRY-->L768: Formula: (let ((.cse0 (store |v_#valid_58| 0 0))) (and (= 0 v_~main$tmp_guard0~0_35) (= v_~__unbuffered_cnt~0_131 0) (= 0 v_~main$tmp_guard1~0_41) (= 0 v_~__unbuffered_p0_EAX~0_53) (= |v_#length_19| (store |v_#length_20| |v_ULTIMATE.start_main_~#t2118~0.base_24| 4)) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t2118~0.base_24|)) (= 0 |v_#NULL.base_6|) (= (store |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2118~0.base_24| (store (select |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2118~0.base_24|) |v_ULTIMATE.start_main_~#t2118~0.offset_17| 0)) |v_#memory_int_17|) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2118~0.base_24|) (= (store .cse0 |v_ULTIMATE.start_main_~#t2118~0.base_24| 1) |v_#valid_56|) (= 0 v_~y~0_30) (= 0 |v_ULTIMATE.start_main_~#t2118~0.offset_17|) (= 0 v_~x~0_59) (= 0 |v_#NULL.offset_6|) (= 0 v_~__unbuffered_p2_EAX~0_44) (< 0 |v_#StackHeapBarrier_15|) (= v_~__unbuffered_p0_EBX~0_47 0))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_58|, #memory_int=|v_#memory_int_18|, #length=|v_#length_20|} OutVars{~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_47, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_25|, ULTIMATE.start_main_~#t2119~0.offset=|v_ULTIMATE.start_main_~#t2119~0.offset_16|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_6|, #NULL.offset=|v_#NULL.offset_6|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_41, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_35, #NULL.base=|v_#NULL.base_6|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_53, ULTIMATE.start_main_~#t2119~0.base=|v_ULTIMATE.start_main_~#t2119~0.base_22|, ULTIMATE.start_main_~#t2120~0.offset=|v_ULTIMATE.start_main_~#t2120~0.offset_14|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_16|, ULTIMATE.start_main_~#t2118~0.offset=|v_ULTIMATE.start_main_~#t2118~0.offset_17|, #valid=|v_#valid_56|, #memory_int=|v_#memory_int_17|, #length=|v_#length_19|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_44, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_131, ULTIMATE.start_main_~#t2118~0.base=|v_ULTIMATE.start_main_~#t2118~0.base_24|, ULTIMATE.start_main_~#t2120~0.base=|v_ULTIMATE.start_main_~#t2120~0.base_19|, ~y~0=v_~y~0_30, ~x~0=v_~x~0_59} AuxVars[] AssignedVars[~__unbuffered_p0_EBX~0, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t2119~0.offset, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t2119~0.base, ULTIMATE.start_main_~#t2120~0.offset, ULTIMATE.start_main_#res, ULTIMATE.start_main_~#t2118~0.offset, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ULTIMATE.start_main_~#t2118~0.base, ULTIMATE.start_main_~#t2120~0.base, ~y~0, ~x~0] {1838#(<= ~y~0 0)} is VALID [2020-07-28 21:34:58,783 INFO L280 TraceCheckUtils]: 1: Hoare triple {1838#(<= ~y~0 0)} [165] L768-->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] {1838#(<= ~y~0 0)} is VALID [2020-07-28 21:34:58,784 INFO L280 TraceCheckUtils]: 2: Hoare triple {1838#(<= ~y~0 0)} [177] P0ENTRY-->L715: Formula: (and (= v_~y~0_7 v_~__unbuffered_p0_EAX~0_12) (= 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|, ~y~0=v_~y~0_7} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_12, P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~y~0=v_~y~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] {1839#(<= ~__unbuffered_p0_EAX~0 0)} is VALID [2020-07-28 21:34:58,789 INFO L280 TraceCheckUtils]: 3: Hoare triple {1839#(<= ~__unbuffered_p0_EAX~0 0)} [202] L768-1-->L770: Formula: (and (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t2119~0.base_9|) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t2119~0.base_9| 4)) (= |v_#valid_33| (store |v_#valid_34| |v_ULTIMATE.start_main_~#t2119~0.base_9| 1)) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2119~0.base_9| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2119~0.base_9|) |v_ULTIMATE.start_main_~#t2119~0.offset_8| 1)) |v_#memory_int_13|) (not (= 0 |v_ULTIMATE.start_main_~#t2119~0.base_9|)) (= 0 |v_ULTIMATE.start_main_~#t2119~0.offset_8|) (= 0 (select |v_#valid_34| |v_ULTIMATE.start_main_~#t2119~0.base_9|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_14|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_~#t2119~0.offset=|v_ULTIMATE.start_main_~#t2119~0.offset_8|, ULTIMATE.start_main_~#t2119~0.base=|v_ULTIMATE.start_main_~#t2119~0.base_9|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_4|, #valid=|v_#valid_33|, #memory_int=|v_#memory_int_13|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2119~0.offset, ULTIMATE.start_main_~#t2119~0.base, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {1839#(<= ~__unbuffered_p0_EAX~0 0)} is VALID [2020-07-28 21:34:58,792 INFO L280 TraceCheckUtils]: 4: Hoare triple {1839#(<= ~__unbuffered_p0_EAX~0 0)} [167] L770-->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] {1839#(<= ~__unbuffered_p0_EAX~0 0)} is VALID [2020-07-28 21:34:58,794 INFO L280 TraceCheckUtils]: 5: Hoare triple {1839#(<= ~__unbuffered_p0_EAX~0 0)} [196] L770-1-->L772: Formula: (and (= 0 |v_ULTIMATE.start_main_~#t2120~0.offset_8|) (= (store |v_#valid_28| |v_ULTIMATE.start_main_~#t2120~0.base_8| 1) |v_#valid_27|) (= (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2120~0.base_8| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2120~0.base_8|) |v_ULTIMATE.start_main_~#t2120~0.offset_8| 2)) |v_#memory_int_11|) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t2120~0.base_8|) (not (= 0 |v_ULTIMATE.start_main_~#t2120~0.base_8|)) (= 0 (select |v_#valid_28| |v_ULTIMATE.start_main_~#t2120~0.base_8|)) (= (store |v_#length_14| |v_ULTIMATE.start_main_~#t2120~0.base_8| 4) |v_#length_13|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_28|, #memory_int=|v_#memory_int_12|, #length=|v_#length_14|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_9|, ULTIMATE.start_main_~#t2120~0.offset=|v_ULTIMATE.start_main_~#t2120~0.offset_8|, #valid=|v_#valid_27|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_3|, #memory_int=|v_#memory_int_11|, #length=|v_#length_13|, ULTIMATE.start_main_~#t2120~0.base=|v_ULTIMATE.start_main_~#t2120~0.base_8|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2120~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t2120~0.base] {1839#(<= ~__unbuffered_p0_EAX~0 0)} is VALID [2020-07-28 21:34:58,795 INFO L280 TraceCheckUtils]: 6: Hoare triple {1839#(<= ~__unbuffered_p0_EAX~0 0)} [169] L772-->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] {1839#(<= ~__unbuffered_p0_EAX~0 0)} is VALID [2020-07-28 21:34:58,796 INFO L280 TraceCheckUtils]: 7: Hoare triple {1839#(<= ~__unbuffered_p0_EAX~0 0)} [207] L772-1-->L2: Formula: (and (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond_8| (mod v_~main$tmp_guard0~0_22 256)) (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_91))) (or (and (= 1 v_~main$tmp_guard0~0_22) .cse0) (and (not .cse0) (= 0 v_~main$tmp_guard0~0_22))))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_91} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_8|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_10, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_13|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_91, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_22} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {1839#(<= ~__unbuffered_p0_EAX~0 0)} is VALID [2020-07-28 21:34:58,797 INFO L280 TraceCheckUtils]: 8: Hoare triple {1839#(<= ~__unbuffered_p0_EAX~0 0)} [225] L2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_26)) (= 2 v_~__unbuffered_p2_EAX~0_43) (= 2 v_~x~0_58) (= v_ULTIMATE.start___VERIFIER_assert_~expression_17 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_11|) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_11| (mod v_~main$tmp_guard1~0_40 256)) (= v_~__unbuffered_p0_EBX~0_46 0) (= 1 v_~__unbuffered_p0_EAX~0_52) (= 0 v_~main$tmp_guard1~0_40) (= v_ULTIMATE.start_assume_abort_if_not_~cond_26 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_24|)) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_24|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_52, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_46, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_43, ~x~0=v_~x~0_58} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_24|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_52, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_17, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_46, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_26, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_40, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_43, ~x~0=v_~x~0_58, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_11|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {1837#false} is VALID [2020-07-28 21:34:58,797 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 21:34:58,798 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687427350] [2020-07-28 21:34:58,798 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:34:58,798 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 21:34:58,798 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338449196] [2020-07-28 21:34:58,800 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-07-28 21:34:58,800 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:34:58,800 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 21:34:58,813 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 21:34:58,813 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 21:34:58,813 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:34:58,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 21:34:58,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 21:34:58,814 INFO L87 Difference]: Start difference. First operand 218 states and 600 transitions. Second operand 4 states. [2020-07-28 21:34:58,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:34:58,917 INFO L93 Difference]: Finished difference Result 242 states and 634 transitions. [2020-07-28 21:34:58,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-28 21:34:58,917 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-07-28 21:34:58,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:34:58,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:34:58,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 33 transitions. [2020-07-28 21:34:58,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:34:58,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 33 transitions. [2020-07-28 21:34:58,920 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 33 transitions. [2020-07-28 21:34:58,961 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:34:58,965 INFO L225 Difference]: With dead ends: 242 [2020-07-28 21:34:58,965 INFO L226 Difference]: Without dead ends: 116 [2020-07-28 21:34:58,966 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 21:34:58,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-07-28 21:34:58,972 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,973 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,973 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,973 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,974 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,974 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,974 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,975 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,975 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,975 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,975 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,976 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,976 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,976 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,976 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,977 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,977 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,977 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,977 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,978 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,978 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,978 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,978 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,979 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,979 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,979 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,980 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,980 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,980 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,980 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,981 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,981 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,981 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,981 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,982 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,982 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,982 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,983 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,983 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,983 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,983 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,984 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,984 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,984 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,985 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,985 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,985 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,985 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,986 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,986 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,986 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,987 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,987 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,987 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,987 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,988 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,988 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,988 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,988 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,989 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,989 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,989 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,990 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,990 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,990 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,990 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,991 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,991 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,991 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,992 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,992 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,992 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,992 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,993 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,993 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,993 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,994 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,994 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,994 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,994 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,995 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,995 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,995 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,996 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,996 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,996 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,997 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,997 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,997 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,997 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,998 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,998 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,998 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,999 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,999 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,999 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:58,999 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,000 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,000 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,000 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,001 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,001 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,001 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,002 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,002 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,002 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,002 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,003 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,003 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,003 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,004 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,004 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,004 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,004 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,005 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,005 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2020-07-28 21:34:59,006 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:34:59,006 INFO L82 GeneralOperation]: Start isEquivalent. First operand 116 states. Second operand 116 states. [2020-07-28 21:34:59,006 INFO L74 IsIncluded]: Start isIncluded. First operand 116 states. Second operand 116 states. [2020-07-28 21:34:59,006 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 116 states. [2020-07-28 21:34:59,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:34:59,013 INFO L93 Difference]: Finished difference Result 116 states and 284 transitions. [2020-07-28 21:34:59,014 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 284 transitions. [2020-07-28 21:34:59,014 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:34:59,014 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:34:59,015 INFO L74 IsIncluded]: Start isIncluded. First operand 116 states. Second operand 116 states. [2020-07-28 21:34:59,015 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 116 states. [2020-07-28 21:34:59,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:34:59,022 INFO L93 Difference]: Finished difference Result 116 states and 284 transitions. [2020-07-28 21:34:59,022 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 284 transitions. [2020-07-28 21:34:59,022 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:34:59,022 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:34:59,023 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:34:59,023 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:34:59,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-07-28 21:34:59,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 284 transitions. [2020-07-28 21:34:59,030 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 284 transitions. Word has length 9 [2020-07-28 21:34:59,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:34:59,030 INFO L479 AbstractCegarLoop]: Abstraction has 116 states and 284 transitions. [2020-07-28 21:34:59,030 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 21:34:59,030 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 284 transitions. [2020-07-28 21:34:59,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-07-28 21:34:59,031 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:34:59,031 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:34:59,031 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 21:34:59,032 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:34:59,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:34:59,032 INFO L82 PathProgramCache]: Analyzing trace with hash 1517475135, now seen corresponding path program 1 times [2020-07-28 21:34:59,032 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:34:59,033 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613648544] [2020-07-28 21:34:59,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:34:59,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:34:59,103 INFO L280 TraceCheckUtils]: 0: Hoare triple {2550#true} [226] ULTIMATE.startENTRY-->L768: Formula: (let ((.cse0 (store |v_#valid_58| 0 0))) (and (= 0 v_~main$tmp_guard0~0_35) (= v_~__unbuffered_cnt~0_131 0) (= 0 v_~main$tmp_guard1~0_41) (= 0 v_~__unbuffered_p0_EAX~0_53) (= |v_#length_19| (store |v_#length_20| |v_ULTIMATE.start_main_~#t2118~0.base_24| 4)) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t2118~0.base_24|)) (= 0 |v_#NULL.base_6|) (= (store |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2118~0.base_24| (store (select |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2118~0.base_24|) |v_ULTIMATE.start_main_~#t2118~0.offset_17| 0)) |v_#memory_int_17|) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2118~0.base_24|) (= (store .cse0 |v_ULTIMATE.start_main_~#t2118~0.base_24| 1) |v_#valid_56|) (= 0 v_~y~0_30) (= 0 |v_ULTIMATE.start_main_~#t2118~0.offset_17|) (= 0 v_~x~0_59) (= 0 |v_#NULL.offset_6|) (= 0 v_~__unbuffered_p2_EAX~0_44) (< 0 |v_#StackHeapBarrier_15|) (= v_~__unbuffered_p0_EBX~0_47 0))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_58|, #memory_int=|v_#memory_int_18|, #length=|v_#length_20|} OutVars{~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_47, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_25|, ULTIMATE.start_main_~#t2119~0.offset=|v_ULTIMATE.start_main_~#t2119~0.offset_16|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_6|, #NULL.offset=|v_#NULL.offset_6|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_41, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_35, #NULL.base=|v_#NULL.base_6|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_53, ULTIMATE.start_main_~#t2119~0.base=|v_ULTIMATE.start_main_~#t2119~0.base_22|, ULTIMATE.start_main_~#t2120~0.offset=|v_ULTIMATE.start_main_~#t2120~0.offset_14|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_16|, ULTIMATE.start_main_~#t2118~0.offset=|v_ULTIMATE.start_main_~#t2118~0.offset_17|, #valid=|v_#valid_56|, #memory_int=|v_#memory_int_17|, #length=|v_#length_19|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_44, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_131, ULTIMATE.start_main_~#t2118~0.base=|v_ULTIMATE.start_main_~#t2118~0.base_24|, ULTIMATE.start_main_~#t2120~0.base=|v_ULTIMATE.start_main_~#t2120~0.base_19|, ~y~0=v_~y~0_30, ~x~0=v_~x~0_59} AuxVars[] AssignedVars[~__unbuffered_p0_EBX~0, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t2119~0.offset, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t2119~0.base, ULTIMATE.start_main_~#t2120~0.offset, ULTIMATE.start_main_#res, ULTIMATE.start_main_~#t2118~0.offset, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ULTIMATE.start_main_~#t2118~0.base, ULTIMATE.start_main_~#t2120~0.base, ~y~0, ~x~0] {2552#(<= ~x~0 0)} is VALID [2020-07-28 21:34:59,105 INFO L280 TraceCheckUtils]: 1: Hoare triple {2552#(<= ~x~0 0)} [165] L768-->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] {2552#(<= ~x~0 0)} is VALID [2020-07-28 21:34:59,106 INFO L280 TraceCheckUtils]: 2: Hoare triple {2552#(<= ~x~0 0)} [202] L768-1-->L770: Formula: (and (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t2119~0.base_9|) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t2119~0.base_9| 4)) (= |v_#valid_33| (store |v_#valid_34| |v_ULTIMATE.start_main_~#t2119~0.base_9| 1)) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2119~0.base_9| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2119~0.base_9|) |v_ULTIMATE.start_main_~#t2119~0.offset_8| 1)) |v_#memory_int_13|) (not (= 0 |v_ULTIMATE.start_main_~#t2119~0.base_9|)) (= 0 |v_ULTIMATE.start_main_~#t2119~0.offset_8|) (= 0 (select |v_#valid_34| |v_ULTIMATE.start_main_~#t2119~0.base_9|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_14|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_~#t2119~0.offset=|v_ULTIMATE.start_main_~#t2119~0.offset_8|, ULTIMATE.start_main_~#t2119~0.base=|v_ULTIMATE.start_main_~#t2119~0.base_9|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_4|, #valid=|v_#valid_33|, #memory_int=|v_#memory_int_13|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2119~0.offset, ULTIMATE.start_main_~#t2119~0.base, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {2552#(<= ~x~0 0)} is VALID [2020-07-28 21:34:59,107 INFO L280 TraceCheckUtils]: 3: Hoare triple {2552#(<= ~x~0 0)} [167] L770-->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] {2552#(<= ~x~0 0)} is VALID [2020-07-28 21:34:59,107 INFO L280 TraceCheckUtils]: 4: Hoare triple {2552#(<= ~x~0 0)} [196] L770-1-->L772: Formula: (and (= 0 |v_ULTIMATE.start_main_~#t2120~0.offset_8|) (= (store |v_#valid_28| |v_ULTIMATE.start_main_~#t2120~0.base_8| 1) |v_#valid_27|) (= (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2120~0.base_8| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2120~0.base_8|) |v_ULTIMATE.start_main_~#t2120~0.offset_8| 2)) |v_#memory_int_11|) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t2120~0.base_8|) (not (= 0 |v_ULTIMATE.start_main_~#t2120~0.base_8|)) (= 0 (select |v_#valid_28| |v_ULTIMATE.start_main_~#t2120~0.base_8|)) (= (store |v_#length_14| |v_ULTIMATE.start_main_~#t2120~0.base_8| 4) |v_#length_13|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_28|, #memory_int=|v_#memory_int_12|, #length=|v_#length_14|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_9|, ULTIMATE.start_main_~#t2120~0.offset=|v_ULTIMATE.start_main_~#t2120~0.offset_8|, #valid=|v_#valid_27|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_3|, #memory_int=|v_#memory_int_11|, #length=|v_#length_13|, ULTIMATE.start_main_~#t2120~0.base=|v_ULTIMATE.start_main_~#t2120~0.base_8|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2120~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t2120~0.base] {2552#(<= ~x~0 0)} is VALID [2020-07-28 21:34:59,108 INFO L280 TraceCheckUtils]: 5: Hoare triple {2552#(<= ~x~0 0)} [169] L772-->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] {2552#(<= ~x~0 0)} is VALID [2020-07-28 21:34:59,109 INFO L280 TraceCheckUtils]: 6: Hoare triple {2552#(<= ~x~0 0)} [194] P2ENTRY-->L745: Formula: (and (= v_~x~0_23 v_~__unbuffered_p2_EAX~0_18) (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4)) InVars {P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~x~0=v_~x~0_23} 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_18, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~x~0=v_~x~0_23} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {2552#(<= ~x~0 0)} is VALID [2020-07-28 21:34:59,109 INFO L280 TraceCheckUtils]: 7: Hoare triple {2552#(<= ~x~0 0)} [160] L745-->L748: Formula: (= v_~y~0_2 1) InVars {} OutVars{~y~0=v_~y~0_2} AuxVars[] AssignedVars[~y~0] {2552#(<= ~x~0 0)} is VALID [2020-07-28 21:34:59,111 INFO L280 TraceCheckUtils]: 8: Hoare triple {2552#(<= ~x~0 0)} [177] P0ENTRY-->L715: Formula: (and (= v_~y~0_7 v_~__unbuffered_p0_EAX~0_12) (= 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|, ~y~0=v_~y~0_7} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_12, P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~y~0=v_~y~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] {2552#(<= ~x~0 0)} is VALID [2020-07-28 21:34:59,112 INFO L280 TraceCheckUtils]: 9: Hoare triple {2552#(<= ~x~0 0)} [207] L772-1-->L2: Formula: (and (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond_8| (mod v_~main$tmp_guard0~0_22 256)) (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_91))) (or (and (= 1 v_~main$tmp_guard0~0_22) .cse0) (and (not .cse0) (= 0 v_~main$tmp_guard0~0_22))))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_91} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_8|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_10, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_13|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_91, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_22} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {2552#(<= ~x~0 0)} is VALID [2020-07-28 21:34:59,114 INFO L280 TraceCheckUtils]: 10: Hoare triple {2552#(<= ~x~0 0)} [225] L2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_26)) (= 2 v_~__unbuffered_p2_EAX~0_43) (= 2 v_~x~0_58) (= v_ULTIMATE.start___VERIFIER_assert_~expression_17 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_11|) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_11| (mod v_~main$tmp_guard1~0_40 256)) (= v_~__unbuffered_p0_EBX~0_46 0) (= 1 v_~__unbuffered_p0_EAX~0_52) (= 0 v_~main$tmp_guard1~0_40) (= v_ULTIMATE.start_assume_abort_if_not_~cond_26 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_24|)) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_24|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_52, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_46, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_43, ~x~0=v_~x~0_58} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_24|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_52, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_17, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_46, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_26, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_40, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_43, ~x~0=v_~x~0_58, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_11|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {2551#false} is VALID [2020-07-28 21:34:59,114 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 21:34:59,115 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613648544] [2020-07-28 21:34:59,115 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:34:59,115 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-07-28 21:34:59,115 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543027487] [2020-07-28 21:34:59,115 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-07-28 21:34:59,116 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:34:59,116 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 21:34:59,133 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 21:34:59,134 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 21:34:59,134 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:34:59,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 21:34:59,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 21:34:59,135 INFO L87 Difference]: Start difference. First operand 116 states and 284 transitions. Second operand 3 states. [2020-07-28 21:34:59,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:34:59,170 INFO L93 Difference]: Finished difference Result 110 states and 265 transitions. [2020-07-28 21:34:59,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 21:34:59,170 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-07-28 21:34:59,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:34:59,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 21:34:59,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 27 transitions. [2020-07-28 21:34:59,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 21:34:59,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 27 transitions. [2020-07-28 21:34:59,173 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 27 transitions. [2020-07-28 21:34:59,203 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:34:59,205 INFO L225 Difference]: With dead ends: 110 [2020-07-28 21:34:59,205 INFO L226 Difference]: Without dead ends: 110 [2020-07-28 21:34:59,206 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 21:34:59,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-07-28 21:34:59,210 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,210 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,211 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,211 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,211 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,211 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,212 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,212 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,212 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,213 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,213 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,213 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,213 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,214 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,214 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,214 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,215 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,215 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,215 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,215 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,216 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,216 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,216 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,216 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,217 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,217 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,217 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,217 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,218 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,218 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,218 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,219 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,219 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,219 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,219 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,220 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,220 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,220 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,220 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,221 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,221 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,221 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,221 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,222 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,222 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,222 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,222 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,223 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,223 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,223 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,224 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,224 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,224 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,224 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,225 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,225 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,225 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,226 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,226 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,226 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,226 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,227 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,227 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,227 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,227 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,228 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,228 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,228 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,228 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,229 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,229 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,229 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,229 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,230 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,230 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,230 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,231 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,231 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,231 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,231 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,232 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,232 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,232 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,232 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,233 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,233 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,233 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,233 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,234 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,234 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,234 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,235 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,235 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,235 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,235 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,236 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,236 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,236 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,237 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,237 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,237 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,238 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,238 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,238 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,238 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,239 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,239 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,239 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,239 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,240 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-07-28 21:34:59,240 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:34:59,241 INFO L82 GeneralOperation]: Start isEquivalent. First operand 110 states. Second operand 110 states. [2020-07-28 21:34:59,241 INFO L74 IsIncluded]: Start isIncluded. First operand 110 states. Second operand 110 states. [2020-07-28 21:34:59,241 INFO L87 Difference]: Start difference. First operand 110 states. Second operand 110 states. [2020-07-28 21:34:59,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:34:59,247 INFO L93 Difference]: Finished difference Result 110 states and 265 transitions. [2020-07-28 21:34:59,247 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 265 transitions. [2020-07-28 21:34:59,247 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:34:59,248 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:34:59,248 INFO L74 IsIncluded]: Start isIncluded. First operand 110 states. Second operand 110 states. [2020-07-28 21:34:59,248 INFO L87 Difference]: Start difference. First operand 110 states. Second operand 110 states. [2020-07-28 21:34:59,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:34:59,254 INFO L93 Difference]: Finished difference Result 110 states and 265 transitions. [2020-07-28 21:34:59,254 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 265 transitions. [2020-07-28 21:34:59,254 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:34:59,255 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:34:59,255 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:34:59,255 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:34:59,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-07-28 21:34:59,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 265 transitions. [2020-07-28 21:34:59,261 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 265 transitions. Word has length 11 [2020-07-28 21:34:59,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:34:59,261 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 265 transitions. [2020-07-28 21:34:59,261 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 21:34:59,261 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 265 transitions. [2020-07-28 21:34:59,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-28 21:34:59,262 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:34:59,262 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:34:59,262 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 21:34:59,263 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:34:59,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:34:59,263 INFO L82 PathProgramCache]: Analyzing trace with hash -142823170, now seen corresponding path program 1 times [2020-07-28 21:34:59,263 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:34:59,264 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957920220] [2020-07-28 21:34:59,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:34:59,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:34:59,324 INFO L280 TraceCheckUtils]: 0: Hoare triple {3105#true} [226] ULTIMATE.startENTRY-->L768: Formula: (let ((.cse0 (store |v_#valid_58| 0 0))) (and (= 0 v_~main$tmp_guard0~0_35) (= v_~__unbuffered_cnt~0_131 0) (= 0 v_~main$tmp_guard1~0_41) (= 0 v_~__unbuffered_p0_EAX~0_53) (= |v_#length_19| (store |v_#length_20| |v_ULTIMATE.start_main_~#t2118~0.base_24| 4)) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t2118~0.base_24|)) (= 0 |v_#NULL.base_6|) (= (store |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2118~0.base_24| (store (select |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2118~0.base_24|) |v_ULTIMATE.start_main_~#t2118~0.offset_17| 0)) |v_#memory_int_17|) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2118~0.base_24|) (= (store .cse0 |v_ULTIMATE.start_main_~#t2118~0.base_24| 1) |v_#valid_56|) (= 0 v_~y~0_30) (= 0 |v_ULTIMATE.start_main_~#t2118~0.offset_17|) (= 0 v_~x~0_59) (= 0 |v_#NULL.offset_6|) (= 0 v_~__unbuffered_p2_EAX~0_44) (< 0 |v_#StackHeapBarrier_15|) (= v_~__unbuffered_p0_EBX~0_47 0))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_58|, #memory_int=|v_#memory_int_18|, #length=|v_#length_20|} OutVars{~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_47, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_25|, ULTIMATE.start_main_~#t2119~0.offset=|v_ULTIMATE.start_main_~#t2119~0.offset_16|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_6|, #NULL.offset=|v_#NULL.offset_6|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_41, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_35, #NULL.base=|v_#NULL.base_6|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_53, ULTIMATE.start_main_~#t2119~0.base=|v_ULTIMATE.start_main_~#t2119~0.base_22|, ULTIMATE.start_main_~#t2120~0.offset=|v_ULTIMATE.start_main_~#t2120~0.offset_14|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_16|, ULTIMATE.start_main_~#t2118~0.offset=|v_ULTIMATE.start_main_~#t2118~0.offset_17|, #valid=|v_#valid_56|, #memory_int=|v_#memory_int_17|, #length=|v_#length_19|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_44, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_131, ULTIMATE.start_main_~#t2118~0.base=|v_ULTIMATE.start_main_~#t2118~0.base_24|, ULTIMATE.start_main_~#t2120~0.base=|v_ULTIMATE.start_main_~#t2120~0.base_19|, ~y~0=v_~y~0_30, ~x~0=v_~x~0_59} AuxVars[] AssignedVars[~__unbuffered_p0_EBX~0, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t2119~0.offset, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t2119~0.base, ULTIMATE.start_main_~#t2120~0.offset, ULTIMATE.start_main_#res, ULTIMATE.start_main_~#t2118~0.offset, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ULTIMATE.start_main_~#t2118~0.base, ULTIMATE.start_main_~#t2120~0.base, ~y~0, ~x~0] {3105#true} is VALID [2020-07-28 21:34:59,325 INFO L280 TraceCheckUtils]: 1: Hoare triple {3105#true} [165] L768-->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] {3105#true} is VALID [2020-07-28 21:34:59,325 INFO L280 TraceCheckUtils]: 2: Hoare triple {3105#true} [202] L768-1-->L770: Formula: (and (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t2119~0.base_9|) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t2119~0.base_9| 4)) (= |v_#valid_33| (store |v_#valid_34| |v_ULTIMATE.start_main_~#t2119~0.base_9| 1)) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2119~0.base_9| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2119~0.base_9|) |v_ULTIMATE.start_main_~#t2119~0.offset_8| 1)) |v_#memory_int_13|) (not (= 0 |v_ULTIMATE.start_main_~#t2119~0.base_9|)) (= 0 |v_ULTIMATE.start_main_~#t2119~0.offset_8|) (= 0 (select |v_#valid_34| |v_ULTIMATE.start_main_~#t2119~0.base_9|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_14|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_~#t2119~0.offset=|v_ULTIMATE.start_main_~#t2119~0.offset_8|, ULTIMATE.start_main_~#t2119~0.base=|v_ULTIMATE.start_main_~#t2119~0.base_9|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_4|, #valid=|v_#valid_33|, #memory_int=|v_#memory_int_13|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2119~0.offset, ULTIMATE.start_main_~#t2119~0.base, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {3105#true} is VALID [2020-07-28 21:34:59,326 INFO L280 TraceCheckUtils]: 3: Hoare triple {3105#true} [167] L770-->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] {3105#true} is VALID [2020-07-28 21:34:59,326 INFO L280 TraceCheckUtils]: 4: Hoare triple {3105#true} [195] P1ENTRY-->L730: Formula: (and (= 1 v_~x~0_24) (= |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|} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_4, 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_24} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_~arg.base, ~x~0] {3107#(= 1 ~x~0)} is VALID [2020-07-28 21:34:59,327 INFO L280 TraceCheckUtils]: 5: Hoare triple {3107#(= 1 ~x~0)} [196] L770-1-->L772: Formula: (and (= 0 |v_ULTIMATE.start_main_~#t2120~0.offset_8|) (= (store |v_#valid_28| |v_ULTIMATE.start_main_~#t2120~0.base_8| 1) |v_#valid_27|) (= (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2120~0.base_8| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2120~0.base_8|) |v_ULTIMATE.start_main_~#t2120~0.offset_8| 2)) |v_#memory_int_11|) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t2120~0.base_8|) (not (= 0 |v_ULTIMATE.start_main_~#t2120~0.base_8|)) (= 0 (select |v_#valid_28| |v_ULTIMATE.start_main_~#t2120~0.base_8|)) (= (store |v_#length_14| |v_ULTIMATE.start_main_~#t2120~0.base_8| 4) |v_#length_13|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_28|, #memory_int=|v_#memory_int_12|, #length=|v_#length_14|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_9|, ULTIMATE.start_main_~#t2120~0.offset=|v_ULTIMATE.start_main_~#t2120~0.offset_8|, #valid=|v_#valid_27|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_3|, #memory_int=|v_#memory_int_11|, #length=|v_#length_13|, ULTIMATE.start_main_~#t2120~0.base=|v_ULTIMATE.start_main_~#t2120~0.base_8|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2120~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t2120~0.base] {3107#(= 1 ~x~0)} is VALID [2020-07-28 21:34:59,328 INFO L280 TraceCheckUtils]: 6: Hoare triple {3107#(= 1 ~x~0)} [169] L772-->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] {3107#(= 1 ~x~0)} is VALID [2020-07-28 21:34:59,329 INFO L280 TraceCheckUtils]: 7: Hoare triple {3107#(= 1 ~x~0)} [194] P2ENTRY-->L745: Formula: (and (= v_~x~0_23 v_~__unbuffered_p2_EAX~0_18) (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4)) InVars {P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~x~0=v_~x~0_23} 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_18, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~x~0=v_~x~0_23} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {3107#(= 1 ~x~0)} is VALID [2020-07-28 21:34:59,329 INFO L280 TraceCheckUtils]: 8: Hoare triple {3107#(= 1 ~x~0)} [160] L745-->L748: Formula: (= v_~y~0_2 1) InVars {} OutVars{~y~0=v_~y~0_2} AuxVars[] AssignedVars[~y~0] {3107#(= 1 ~x~0)} is VALID [2020-07-28 21:34:59,330 INFO L280 TraceCheckUtils]: 9: Hoare triple {3107#(= 1 ~x~0)} [177] P0ENTRY-->L715: Formula: (and (= v_~y~0_7 v_~__unbuffered_p0_EAX~0_12) (= 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|, ~y~0=v_~y~0_7} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_12, P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~y~0=v_~y~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] {3107#(= 1 ~x~0)} is VALID [2020-07-28 21:34:59,331 INFO L280 TraceCheckUtils]: 10: Hoare triple {3107#(= 1 ~x~0)} [207] L772-1-->L2: Formula: (and (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond_8| (mod v_~main$tmp_guard0~0_22 256)) (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_91))) (or (and (= 1 v_~main$tmp_guard0~0_22) .cse0) (and (not .cse0) (= 0 v_~main$tmp_guard0~0_22))))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_91} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_8|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_10, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_13|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_91, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_22} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {3107#(= 1 ~x~0)} is VALID [2020-07-28 21:34:59,332 INFO L280 TraceCheckUtils]: 11: Hoare triple {3107#(= 1 ~x~0)} [225] L2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_26)) (= 2 v_~__unbuffered_p2_EAX~0_43) (= 2 v_~x~0_58) (= v_ULTIMATE.start___VERIFIER_assert_~expression_17 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_11|) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_11| (mod v_~main$tmp_guard1~0_40 256)) (= v_~__unbuffered_p0_EBX~0_46 0) (= 1 v_~__unbuffered_p0_EAX~0_52) (= 0 v_~main$tmp_guard1~0_40) (= v_ULTIMATE.start_assume_abort_if_not_~cond_26 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_24|)) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_24|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_52, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_46, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_43, ~x~0=v_~x~0_58} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_24|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_52, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_17, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_46, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_26, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_40, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_43, ~x~0=v_~x~0_58, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_11|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {3106#false} is VALID [2020-07-28 21:34:59,333 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 21:34:59,333 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957920220] [2020-07-28 21:34:59,333 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:34:59,333 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 21:34:59,333 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672186282] [2020-07-28 21:34:59,334 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-07-28 21:34:59,334 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:34:59,334 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 21:34:59,350 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 21:34:59,350 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 21:34:59,350 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:34:59,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 21:34:59,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 21:34:59,351 INFO L87 Difference]: Start difference. First operand 110 states and 265 transitions. Second operand 3 states. [2020-07-28 21:34:59,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:34:59,394 INFO L93 Difference]: Finished difference Result 104 states and 246 transitions. [2020-07-28 21:34:59,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 21:34:59,395 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-07-28 21:34:59,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:34:59,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 21:34:59,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 27 transitions. [2020-07-28 21:34:59,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 21:34:59,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 27 transitions. [2020-07-28 21:34:59,397 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 27 transitions. [2020-07-28 21:34:59,432 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:34:59,434 INFO L225 Difference]: With dead ends: 104 [2020-07-28 21:34:59,435 INFO L226 Difference]: Without dead ends: 104 [2020-07-28 21:34:59,435 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 21:34:59,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-07-28 21:34:59,439 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,439 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,439 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,439 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,440 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,440 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,440 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,440 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,441 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,441 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,441 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,442 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,442 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,442 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,442 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,443 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,443 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,443 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,443 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,444 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,444 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,444 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,444 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,445 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,445 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,445 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,446 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,446 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,446 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,446 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,447 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,447 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,447 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,447 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,448 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,448 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,448 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,448 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,449 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,449 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,449 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,449 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,450 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,450 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,450 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,450 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,450 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,450 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,451 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,451 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,451 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,451 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,451 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,451 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,452 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,452 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,452 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,452 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,452 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,453 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,453 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,453 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,453 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,453 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,454 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,454 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,454 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,454 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,454 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,454 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,455 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,455 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,455 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,455 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,455 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,456 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,456 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,456 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,456 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,456 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,456 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,457 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,457 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,457 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,457 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,457 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,457 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,457 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,458 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,458 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,458 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,458 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,458 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,459 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,459 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,459 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,459 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,460 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,460 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,460 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,460 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,461 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,461 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,461 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2020-07-28 21:34:59,462 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:34:59,462 INFO L82 GeneralOperation]: Start isEquivalent. First operand 104 states. Second operand 104 states. [2020-07-28 21:34:59,462 INFO L74 IsIncluded]: Start isIncluded. First operand 104 states. Second operand 104 states. [2020-07-28 21:34:59,462 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 104 states. [2020-07-28 21:34:59,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:34:59,468 INFO L93 Difference]: Finished difference Result 104 states and 246 transitions. [2020-07-28 21:34:59,468 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 246 transitions. [2020-07-28 21:34:59,469 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:34:59,469 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:34:59,469 INFO L74 IsIncluded]: Start isIncluded. First operand 104 states. Second operand 104 states. [2020-07-28 21:34:59,469 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 104 states. [2020-07-28 21:34:59,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:34:59,474 INFO L93 Difference]: Finished difference Result 104 states and 246 transitions. [2020-07-28 21:34:59,475 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 246 transitions. [2020-07-28 21:34:59,475 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:34:59,475 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:34:59,475 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:34:59,475 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:34:59,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-07-28 21:34:59,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 246 transitions. [2020-07-28 21:34:59,481 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 246 transitions. Word has length 12 [2020-07-28 21:34:59,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:34:59,481 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 246 transitions. [2020-07-28 21:34:59,481 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 21:34:59,481 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 246 transitions. [2020-07-28 21:34:59,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-07-28 21:34:59,482 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:34:59,482 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:34:59,482 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 21:34:59,482 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:34:59,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:34:59,483 INFO L82 PathProgramCache]: Analyzing trace with hash -132602240, now seen corresponding path program 1 times [2020-07-28 21:34:59,483 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:34:59,483 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410883615] [2020-07-28 21:34:59,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:34:59,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:34:59,560 INFO L280 TraceCheckUtils]: 0: Hoare triple {3630#true} [226] ULTIMATE.startENTRY-->L768: Formula: (let ((.cse0 (store |v_#valid_58| 0 0))) (and (= 0 v_~main$tmp_guard0~0_35) (= v_~__unbuffered_cnt~0_131 0) (= 0 v_~main$tmp_guard1~0_41) (= 0 v_~__unbuffered_p0_EAX~0_53) (= |v_#length_19| (store |v_#length_20| |v_ULTIMATE.start_main_~#t2118~0.base_24| 4)) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t2118~0.base_24|)) (= 0 |v_#NULL.base_6|) (= (store |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2118~0.base_24| (store (select |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2118~0.base_24|) |v_ULTIMATE.start_main_~#t2118~0.offset_17| 0)) |v_#memory_int_17|) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2118~0.base_24|) (= (store .cse0 |v_ULTIMATE.start_main_~#t2118~0.base_24| 1) |v_#valid_56|) (= 0 v_~y~0_30) (= 0 |v_ULTIMATE.start_main_~#t2118~0.offset_17|) (= 0 v_~x~0_59) (= 0 |v_#NULL.offset_6|) (= 0 v_~__unbuffered_p2_EAX~0_44) (< 0 |v_#StackHeapBarrier_15|) (= v_~__unbuffered_p0_EBX~0_47 0))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_58|, #memory_int=|v_#memory_int_18|, #length=|v_#length_20|} OutVars{~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_47, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_25|, ULTIMATE.start_main_~#t2119~0.offset=|v_ULTIMATE.start_main_~#t2119~0.offset_16|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_6|, #NULL.offset=|v_#NULL.offset_6|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_41, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_35, #NULL.base=|v_#NULL.base_6|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_53, ULTIMATE.start_main_~#t2119~0.base=|v_ULTIMATE.start_main_~#t2119~0.base_22|, ULTIMATE.start_main_~#t2120~0.offset=|v_ULTIMATE.start_main_~#t2120~0.offset_14|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_16|, ULTIMATE.start_main_~#t2118~0.offset=|v_ULTIMATE.start_main_~#t2118~0.offset_17|, #valid=|v_#valid_56|, #memory_int=|v_#memory_int_17|, #length=|v_#length_19|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_44, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_131, ULTIMATE.start_main_~#t2118~0.base=|v_ULTIMATE.start_main_~#t2118~0.base_24|, ULTIMATE.start_main_~#t2120~0.base=|v_ULTIMATE.start_main_~#t2120~0.base_19|, ~y~0=v_~y~0_30, ~x~0=v_~x~0_59} AuxVars[] AssignedVars[~__unbuffered_p0_EBX~0, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t2119~0.offset, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t2119~0.base, ULTIMATE.start_main_~#t2120~0.offset, ULTIMATE.start_main_#res, ULTIMATE.start_main_~#t2118~0.offset, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ULTIMATE.start_main_~#t2118~0.base, ULTIMATE.start_main_~#t2120~0.base, ~y~0, ~x~0] {3630#true} is VALID [2020-07-28 21:34:59,561 INFO L280 TraceCheckUtils]: 1: Hoare triple {3630#true} [165] L768-->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] {3630#true} is VALID [2020-07-28 21:34:59,562 INFO L280 TraceCheckUtils]: 2: Hoare triple {3630#true} [202] L768-1-->L770: Formula: (and (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t2119~0.base_9|) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t2119~0.base_9| 4)) (= |v_#valid_33| (store |v_#valid_34| |v_ULTIMATE.start_main_~#t2119~0.base_9| 1)) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2119~0.base_9| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2119~0.base_9|) |v_ULTIMATE.start_main_~#t2119~0.offset_8| 1)) |v_#memory_int_13|) (not (= 0 |v_ULTIMATE.start_main_~#t2119~0.base_9|)) (= 0 |v_ULTIMATE.start_main_~#t2119~0.offset_8|) (= 0 (select |v_#valid_34| |v_ULTIMATE.start_main_~#t2119~0.base_9|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_14|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_~#t2119~0.offset=|v_ULTIMATE.start_main_~#t2119~0.offset_8|, ULTIMATE.start_main_~#t2119~0.base=|v_ULTIMATE.start_main_~#t2119~0.base_9|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_4|, #valid=|v_#valid_33|, #memory_int=|v_#memory_int_13|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2119~0.offset, ULTIMATE.start_main_~#t2119~0.base, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {3630#true} is VALID [2020-07-28 21:34:59,563 INFO L280 TraceCheckUtils]: 3: Hoare triple {3630#true} [167] L770-->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] {3630#true} is VALID [2020-07-28 21:34:59,563 INFO L280 TraceCheckUtils]: 4: Hoare triple {3630#true} [195] P1ENTRY-->L730: Formula: (and (= 1 v_~x~0_24) (= |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|} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_4, 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_24} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_~arg.base, ~x~0] {3632#(= 1 ~x~0)} is VALID [2020-07-28 21:34:59,564 INFO L280 TraceCheckUtils]: 5: Hoare triple {3632#(= 1 ~x~0)} [196] L770-1-->L772: Formula: (and (= 0 |v_ULTIMATE.start_main_~#t2120~0.offset_8|) (= (store |v_#valid_28| |v_ULTIMATE.start_main_~#t2120~0.base_8| 1) |v_#valid_27|) (= (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2120~0.base_8| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2120~0.base_8|) |v_ULTIMATE.start_main_~#t2120~0.offset_8| 2)) |v_#memory_int_11|) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t2120~0.base_8|) (not (= 0 |v_ULTIMATE.start_main_~#t2120~0.base_8|)) (= 0 (select |v_#valid_28| |v_ULTIMATE.start_main_~#t2120~0.base_8|)) (= (store |v_#length_14| |v_ULTIMATE.start_main_~#t2120~0.base_8| 4) |v_#length_13|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_28|, #memory_int=|v_#memory_int_12|, #length=|v_#length_14|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_9|, ULTIMATE.start_main_~#t2120~0.offset=|v_ULTIMATE.start_main_~#t2120~0.offset_8|, #valid=|v_#valid_27|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_3|, #memory_int=|v_#memory_int_11|, #length=|v_#length_13|, ULTIMATE.start_main_~#t2120~0.base=|v_ULTIMATE.start_main_~#t2120~0.base_8|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2120~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t2120~0.base] {3632#(= 1 ~x~0)} is VALID [2020-07-28 21:34:59,565 INFO L280 TraceCheckUtils]: 6: Hoare triple {3632#(= 1 ~x~0)} [169] L772-->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] {3632#(= 1 ~x~0)} is VALID [2020-07-28 21:34:59,566 INFO L280 TraceCheckUtils]: 7: Hoare triple {3632#(= 1 ~x~0)} [194] P2ENTRY-->L745: Formula: (and (= v_~x~0_23 v_~__unbuffered_p2_EAX~0_18) (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4)) InVars {P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~x~0=v_~x~0_23} 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_18, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~x~0=v_~x~0_23} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {3633#(= 1 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:34:59,567 INFO L280 TraceCheckUtils]: 8: Hoare triple {3633#(= 1 ~__unbuffered_p2_EAX~0)} [160] L745-->L748: Formula: (= v_~y~0_2 1) InVars {} OutVars{~y~0=v_~y~0_2} AuxVars[] AssignedVars[~y~0] {3633#(= 1 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:34:59,568 INFO L280 TraceCheckUtils]: 9: Hoare triple {3633#(= 1 ~__unbuffered_p2_EAX~0)} [177] P0ENTRY-->L715: Formula: (and (= v_~y~0_7 v_~__unbuffered_p0_EAX~0_12) (= 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|, ~y~0=v_~y~0_7} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_12, P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~y~0=v_~y~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] {3633#(= 1 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:34:59,574 INFO L280 TraceCheckUtils]: 10: Hoare triple {3633#(= 1 ~__unbuffered_p2_EAX~0)} [154] L730-->L733: Formula: (= v_~x~0_3 2) InVars {} OutVars{~x~0=v_~x~0_3} AuxVars[] AssignedVars[~x~0] {3633#(= 1 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:34:59,575 INFO L280 TraceCheckUtils]: 11: Hoare triple {3633#(= 1 ~__unbuffered_p2_EAX~0)} [207] L772-1-->L2: Formula: (and (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond_8| (mod v_~main$tmp_guard0~0_22 256)) (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_91))) (or (and (= 1 v_~main$tmp_guard0~0_22) .cse0) (and (not .cse0) (= 0 v_~main$tmp_guard0~0_22))))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_91} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_8|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_10, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_13|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_91, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_22} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {3633#(= 1 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:34:59,579 INFO L280 TraceCheckUtils]: 12: Hoare triple {3633#(= 1 ~__unbuffered_p2_EAX~0)} [225] L2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_26)) (= 2 v_~__unbuffered_p2_EAX~0_43) (= 2 v_~x~0_58) (= v_ULTIMATE.start___VERIFIER_assert_~expression_17 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_11|) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_11| (mod v_~main$tmp_guard1~0_40 256)) (= v_~__unbuffered_p0_EBX~0_46 0) (= 1 v_~__unbuffered_p0_EAX~0_52) (= 0 v_~main$tmp_guard1~0_40) (= v_ULTIMATE.start_assume_abort_if_not_~cond_26 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_24|)) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_24|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_52, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_46, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_43, ~x~0=v_~x~0_58} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_24|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_52, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_17, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_46, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_26, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_40, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_43, ~x~0=v_~x~0_58, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_11|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {3631#false} is VALID [2020-07-28 21:34:59,580 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 21:34:59,581 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410883615] [2020-07-28 21:34:59,581 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:34:59,581 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 21:34:59,581 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122214301] [2020-07-28 21:34:59,582 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-07-28 21:34:59,582 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:34:59,582 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 21:34:59,605 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 21:34:59,605 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 21:34:59,606 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:34:59,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 21:34:59,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 21:34:59,607 INFO L87 Difference]: Start difference. First operand 104 states and 246 transitions. Second operand 4 states. [2020-07-28 21:34:59,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:34:59,716 INFO L93 Difference]: Finished difference Result 158 states and 375 transitions. [2020-07-28 21:34:59,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 21:34:59,716 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-07-28 21:34:59,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:34:59,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:34:59,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 41 transitions. [2020-07-28 21:34:59,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:34:59,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 41 transitions. [2020-07-28 21:34:59,719 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 41 transitions. [2020-07-28 21:34:59,771 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 21:34:59,773 INFO L225 Difference]: With dead ends: 158 [2020-07-28 21:34:59,774 INFO L226 Difference]: Without dead ends: 104 [2020-07-28 21:34:59,774 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 21:34:59,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-07-28 21:34:59,779 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,779 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,780 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,780 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,780 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,781 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,781 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,781 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,781 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,782 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,782 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,782 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,782 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,782 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,783 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,783 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,783 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,783 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,784 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,784 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,784 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,784 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,785 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,785 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,785 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,785 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,786 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,786 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,786 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,786 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,786 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,787 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,787 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,787 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,787 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,788 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,788 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,788 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,788 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,789 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,789 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,789 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,789 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,790 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,790 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,790 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,790 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,791 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,791 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,791 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,791 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,791 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,792 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,792 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,792 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,792 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,793 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,793 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,793 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,793 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,794 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,794 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,794 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,794 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,795 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,795 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,795 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,795 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,796 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,796 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,796 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,796 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,796 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,797 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,797 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,797 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,797 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,798 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,798 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,798 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,798 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,799 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,799 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,799 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,799 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,799 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,800 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,800 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,800 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,800 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,801 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,801 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,801 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,801 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,802 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,802 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,802 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,802 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,803 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,803 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,803 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,803 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,804 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,804 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:34:59,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2020-07-28 21:34:59,804 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:34:59,805 INFO L82 GeneralOperation]: Start isEquivalent. First operand 104 states. Second operand 104 states. [2020-07-28 21:34:59,805 INFO L74 IsIncluded]: Start isIncluded. First operand 104 states. Second operand 104 states. [2020-07-28 21:34:59,805 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 104 states. [2020-07-28 21:34:59,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:34:59,810 INFO L93 Difference]: Finished difference Result 104 states and 244 transitions. [2020-07-28 21:34:59,810 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 244 transitions. [2020-07-28 21:34:59,811 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:34:59,811 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:34:59,811 INFO L74 IsIncluded]: Start isIncluded. First operand 104 states. Second operand 104 states. [2020-07-28 21:34:59,811 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 104 states. [2020-07-28 21:34:59,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:34:59,816 INFO L93 Difference]: Finished difference Result 104 states and 244 transitions. [2020-07-28 21:34:59,816 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 244 transitions. [2020-07-28 21:34:59,817 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:34:59,817 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:34:59,817 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:34:59,817 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:34:59,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-07-28 21:34:59,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 244 transitions. [2020-07-28 21:34:59,822 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 244 transitions. Word has length 13 [2020-07-28 21:34:59,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:34:59,823 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 244 transitions. [2020-07-28 21:34:59,823 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 21:34:59,823 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 244 transitions. [2020-07-28 21:34:59,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-07-28 21:34:59,823 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:34:59,824 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:34:59,824 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 21:34:59,824 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:34:59,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:34:59,824 INFO L82 PathProgramCache]: Analyzing trace with hash -1246852910, now seen corresponding path program 2 times [2020-07-28 21:34:59,825 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:34:59,825 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699764566] [2020-07-28 21:34:59,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:34:59,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:34:59,900 INFO L280 TraceCheckUtils]: 0: Hoare triple {4212#true} [226] ULTIMATE.startENTRY-->L768: Formula: (let ((.cse0 (store |v_#valid_58| 0 0))) (and (= 0 v_~main$tmp_guard0~0_35) (= v_~__unbuffered_cnt~0_131 0) (= 0 v_~main$tmp_guard1~0_41) (= 0 v_~__unbuffered_p0_EAX~0_53) (= |v_#length_19| (store |v_#length_20| |v_ULTIMATE.start_main_~#t2118~0.base_24| 4)) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t2118~0.base_24|)) (= 0 |v_#NULL.base_6|) (= (store |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2118~0.base_24| (store (select |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2118~0.base_24|) |v_ULTIMATE.start_main_~#t2118~0.offset_17| 0)) |v_#memory_int_17|) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2118~0.base_24|) (= (store .cse0 |v_ULTIMATE.start_main_~#t2118~0.base_24| 1) |v_#valid_56|) (= 0 v_~y~0_30) (= 0 |v_ULTIMATE.start_main_~#t2118~0.offset_17|) (= 0 v_~x~0_59) (= 0 |v_#NULL.offset_6|) (= 0 v_~__unbuffered_p2_EAX~0_44) (< 0 |v_#StackHeapBarrier_15|) (= v_~__unbuffered_p0_EBX~0_47 0))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_58|, #memory_int=|v_#memory_int_18|, #length=|v_#length_20|} OutVars{~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_47, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_25|, ULTIMATE.start_main_~#t2119~0.offset=|v_ULTIMATE.start_main_~#t2119~0.offset_16|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_6|, #NULL.offset=|v_#NULL.offset_6|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_41, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_35, #NULL.base=|v_#NULL.base_6|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_53, ULTIMATE.start_main_~#t2119~0.base=|v_ULTIMATE.start_main_~#t2119~0.base_22|, ULTIMATE.start_main_~#t2120~0.offset=|v_ULTIMATE.start_main_~#t2120~0.offset_14|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_16|, ULTIMATE.start_main_~#t2118~0.offset=|v_ULTIMATE.start_main_~#t2118~0.offset_17|, #valid=|v_#valid_56|, #memory_int=|v_#memory_int_17|, #length=|v_#length_19|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_44, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_131, ULTIMATE.start_main_~#t2118~0.base=|v_ULTIMATE.start_main_~#t2118~0.base_24|, ULTIMATE.start_main_~#t2120~0.base=|v_ULTIMATE.start_main_~#t2120~0.base_19|, ~y~0=v_~y~0_30, ~x~0=v_~x~0_59} AuxVars[] AssignedVars[~__unbuffered_p0_EBX~0, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t2119~0.offset, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t2119~0.base, ULTIMATE.start_main_~#t2120~0.offset, ULTIMATE.start_main_#res, ULTIMATE.start_main_~#t2118~0.offset, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ULTIMATE.start_main_~#t2118~0.base, ULTIMATE.start_main_~#t2120~0.base, ~y~0, ~x~0] {4214#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:34:59,901 INFO L280 TraceCheckUtils]: 1: Hoare triple {4214#(= 0 ~__unbuffered_cnt~0)} [165] L768-->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] {4214#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:34:59,902 INFO L280 TraceCheckUtils]: 2: Hoare triple {4214#(= 0 ~__unbuffered_cnt~0)} [202] L768-1-->L770: Formula: (and (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t2119~0.base_9|) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t2119~0.base_9| 4)) (= |v_#valid_33| (store |v_#valid_34| |v_ULTIMATE.start_main_~#t2119~0.base_9| 1)) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2119~0.base_9| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2119~0.base_9|) |v_ULTIMATE.start_main_~#t2119~0.offset_8| 1)) |v_#memory_int_13|) (not (= 0 |v_ULTIMATE.start_main_~#t2119~0.base_9|)) (= 0 |v_ULTIMATE.start_main_~#t2119~0.offset_8|) (= 0 (select |v_#valid_34| |v_ULTIMATE.start_main_~#t2119~0.base_9|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_14|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_~#t2119~0.offset=|v_ULTIMATE.start_main_~#t2119~0.offset_8|, ULTIMATE.start_main_~#t2119~0.base=|v_ULTIMATE.start_main_~#t2119~0.base_9|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_4|, #valid=|v_#valid_33|, #memory_int=|v_#memory_int_13|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2119~0.offset, ULTIMATE.start_main_~#t2119~0.base, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {4214#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:34:59,903 INFO L280 TraceCheckUtils]: 3: Hoare triple {4214#(= 0 ~__unbuffered_cnt~0)} [167] L770-->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] {4214#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:34:59,904 INFO L280 TraceCheckUtils]: 4: Hoare triple {4214#(= 0 ~__unbuffered_cnt~0)} [195] P1ENTRY-->L730: Formula: (and (= 1 v_~x~0_24) (= |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|} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_4, 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_24} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_~arg.base, ~x~0] {4214#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:34:59,904 INFO L280 TraceCheckUtils]: 5: Hoare triple {4214#(= 0 ~__unbuffered_cnt~0)} [196] L770-1-->L772: Formula: (and (= 0 |v_ULTIMATE.start_main_~#t2120~0.offset_8|) (= (store |v_#valid_28| |v_ULTIMATE.start_main_~#t2120~0.base_8| 1) |v_#valid_27|) (= (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2120~0.base_8| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2120~0.base_8|) |v_ULTIMATE.start_main_~#t2120~0.offset_8| 2)) |v_#memory_int_11|) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t2120~0.base_8|) (not (= 0 |v_ULTIMATE.start_main_~#t2120~0.base_8|)) (= 0 (select |v_#valid_28| |v_ULTIMATE.start_main_~#t2120~0.base_8|)) (= (store |v_#length_14| |v_ULTIMATE.start_main_~#t2120~0.base_8| 4) |v_#length_13|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_28|, #memory_int=|v_#memory_int_12|, #length=|v_#length_14|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_9|, ULTIMATE.start_main_~#t2120~0.offset=|v_ULTIMATE.start_main_~#t2120~0.offset_8|, #valid=|v_#valid_27|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_3|, #memory_int=|v_#memory_int_11|, #length=|v_#length_13|, ULTIMATE.start_main_~#t2120~0.base=|v_ULTIMATE.start_main_~#t2120~0.base_8|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2120~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t2120~0.base] {4214#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:34:59,905 INFO L280 TraceCheckUtils]: 6: Hoare triple {4214#(= 0 ~__unbuffered_cnt~0)} [169] L772-->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] {4214#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:34:59,906 INFO L280 TraceCheckUtils]: 7: Hoare triple {4214#(= 0 ~__unbuffered_cnt~0)} [154] L730-->L733: Formula: (= v_~x~0_3 2) InVars {} OutVars{~x~0=v_~x~0_3} AuxVars[] AssignedVars[~x~0] {4214#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:34:59,907 INFO L280 TraceCheckUtils]: 8: Hoare triple {4214#(= 0 ~__unbuffered_cnt~0)} [194] P2ENTRY-->L745: Formula: (and (= v_~x~0_23 v_~__unbuffered_p2_EAX~0_18) (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4)) InVars {P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~x~0=v_~x~0_23} 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_18, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~x~0=v_~x~0_23} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {4214#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:34:59,907 INFO L280 TraceCheckUtils]: 9: Hoare triple {4214#(= 0 ~__unbuffered_cnt~0)} [160] L745-->L748: Formula: (= v_~y~0_2 1) InVars {} OutVars{~y~0=v_~y~0_2} AuxVars[] AssignedVars[~y~0] {4214#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:34:59,909 INFO L280 TraceCheckUtils]: 10: Hoare triple {4214#(= 0 ~__unbuffered_cnt~0)} [177] P0ENTRY-->L715: Formula: (and (= v_~y~0_7 v_~__unbuffered_p0_EAX~0_12) (= 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|, ~y~0=v_~y~0_7} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_12, P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~y~0=v_~y~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] {4214#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:34:59,910 INFO L280 TraceCheckUtils]: 11: Hoare triple {4214#(= 0 ~__unbuffered_cnt~0)} [207] L772-1-->L2: Formula: (and (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond_8| (mod v_~main$tmp_guard0~0_22 256)) (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_91))) (or (and (= 1 v_~main$tmp_guard0~0_22) .cse0) (and (not .cse0) (= 0 v_~main$tmp_guard0~0_22))))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_91} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_8|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_10, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_13|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_91, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_22} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {4215#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond|))} is VALID [2020-07-28 21:34:59,911 INFO L280 TraceCheckUtils]: 12: Hoare triple {4215#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond|))} [225] L2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_26)) (= 2 v_~__unbuffered_p2_EAX~0_43) (= 2 v_~x~0_58) (= v_ULTIMATE.start___VERIFIER_assert_~expression_17 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_11|) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_11| (mod v_~main$tmp_guard1~0_40 256)) (= v_~__unbuffered_p0_EBX~0_46 0) (= 1 v_~__unbuffered_p0_EAX~0_52) (= 0 v_~main$tmp_guard1~0_40) (= v_ULTIMATE.start_assume_abort_if_not_~cond_26 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_24|)) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_24|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_52, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_46, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_43, ~x~0=v_~x~0_58} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_24|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_52, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_17, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_46, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_26, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_40, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_43, ~x~0=v_~x~0_58, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_11|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {4213#false} is VALID [2020-07-28 21:34:59,912 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 21:34:59,912 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699764566] [2020-07-28 21:34:59,912 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:34:59,912 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 21:34:59,912 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018095773] [2020-07-28 21:34:59,913 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-07-28 21:34:59,913 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:34:59,913 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 21:34:59,937 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 21:34:59,937 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 21:34:59,937 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:34:59,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 21:34:59,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 21:34:59,938 INFO L87 Difference]: Start difference. First operand 104 states and 244 transitions. Second operand 4 states. [2020-07-28 21:35:00,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:35:00,074 INFO L93 Difference]: Finished difference Result 127 states and 275 transitions. [2020-07-28 21:35:00,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 21:35:00,075 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-07-28 21:35:00,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:35:00,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:35:00,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 49 transitions. [2020-07-28 21:35:00,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:35:00,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 49 transitions. [2020-07-28 21:35:00,076 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 49 transitions. [2020-07-28 21:35:00,133 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 49 edges. 49 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:35:00,134 INFO L225 Difference]: With dead ends: 127 [2020-07-28 21:35:00,135 INFO L226 Difference]: Without dead ends: 87 [2020-07-28 21:35:00,135 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 21:35:00,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-07-28 21:35:00,137 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,137 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,138 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,138 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,138 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,138 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,138 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,138 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,139 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,139 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,139 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,139 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,139 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,140 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,140 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,140 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,140 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,140 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,141 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,141 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,141 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,141 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,141 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,141 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,142 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,142 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,142 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,142 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,142 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,143 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,143 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,143 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,143 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,143 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,144 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,144 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,144 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,144 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,144 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,145 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,145 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,145 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,145 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,145 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,145 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,146 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,146 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,146 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,146 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,146 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,147 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,147 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,147 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,147 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,147 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,147 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,148 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,148 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,148 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,148 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,148 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,149 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,149 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,149 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,149 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,149 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,150 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,150 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,150 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,150 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,150 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,150 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,151 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,151 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,151 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,151 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,151 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,152 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,152 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,152 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,152 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,152 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,153 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,153 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,153 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,153 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,153 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2020-07-28 21:35:00,154 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:35:00,154 INFO L82 GeneralOperation]: Start isEquivalent. First operand 87 states. Second operand 87 states. [2020-07-28 21:35:00,154 INFO L74 IsIncluded]: Start isIncluded. First operand 87 states. Second operand 87 states. [2020-07-28 21:35:00,154 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 87 states. [2020-07-28 21:35:00,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:35:00,156 INFO L93 Difference]: Finished difference Result 87 states and 183 transitions. [2020-07-28 21:35:00,156 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 183 transitions. [2020-07-28 21:35:00,157 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:35:00,157 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:35:00,157 INFO L74 IsIncluded]: Start isIncluded. First operand 87 states. Second operand 87 states. [2020-07-28 21:35:00,157 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 87 states. [2020-07-28 21:35:00,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:35:00,159 INFO L93 Difference]: Finished difference Result 87 states and 183 transitions. [2020-07-28 21:35:00,159 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 183 transitions. [2020-07-28 21:35:00,160 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:35:00,160 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:35:00,160 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:35:00,160 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:35:00,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-07-28 21:35:00,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 183 transitions. [2020-07-28 21:35:00,162 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 183 transitions. Word has length 13 [2020-07-28 21:35:00,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:35:00,162 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 183 transitions. [2020-07-28 21:35:00,162 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 21:35:00,163 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 183 transitions. [2020-07-28 21:35:00,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-07-28 21:35:00,163 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:35:00,163 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:35:00,163 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 21:35:00,164 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:35:00,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:35:00,164 INFO L82 PathProgramCache]: Analyzing trace with hash 433937672, now seen corresponding path program 1 times [2020-07-28 21:35:00,164 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:35:00,164 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119346597] [2020-07-28 21:35:00,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:35:00,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:35:00,260 INFO L280 TraceCheckUtils]: 0: Hoare triple {4695#true} [226] ULTIMATE.startENTRY-->L768: Formula: (let ((.cse0 (store |v_#valid_58| 0 0))) (and (= 0 v_~main$tmp_guard0~0_35) (= v_~__unbuffered_cnt~0_131 0) (= 0 v_~main$tmp_guard1~0_41) (= 0 v_~__unbuffered_p0_EAX~0_53) (= |v_#length_19| (store |v_#length_20| |v_ULTIMATE.start_main_~#t2118~0.base_24| 4)) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t2118~0.base_24|)) (= 0 |v_#NULL.base_6|) (= (store |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2118~0.base_24| (store (select |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2118~0.base_24|) |v_ULTIMATE.start_main_~#t2118~0.offset_17| 0)) |v_#memory_int_17|) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2118~0.base_24|) (= (store .cse0 |v_ULTIMATE.start_main_~#t2118~0.base_24| 1) |v_#valid_56|) (= 0 v_~y~0_30) (= 0 |v_ULTIMATE.start_main_~#t2118~0.offset_17|) (= 0 v_~x~0_59) (= 0 |v_#NULL.offset_6|) (= 0 v_~__unbuffered_p2_EAX~0_44) (< 0 |v_#StackHeapBarrier_15|) (= v_~__unbuffered_p0_EBX~0_47 0))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_58|, #memory_int=|v_#memory_int_18|, #length=|v_#length_20|} OutVars{~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_47, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_25|, ULTIMATE.start_main_~#t2119~0.offset=|v_ULTIMATE.start_main_~#t2119~0.offset_16|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_6|, #NULL.offset=|v_#NULL.offset_6|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_41, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_35, #NULL.base=|v_#NULL.base_6|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_53, ULTIMATE.start_main_~#t2119~0.base=|v_ULTIMATE.start_main_~#t2119~0.base_22|, ULTIMATE.start_main_~#t2120~0.offset=|v_ULTIMATE.start_main_~#t2120~0.offset_14|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_16|, ULTIMATE.start_main_~#t2118~0.offset=|v_ULTIMATE.start_main_~#t2118~0.offset_17|, #valid=|v_#valid_56|, #memory_int=|v_#memory_int_17|, #length=|v_#length_19|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_44, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_131, ULTIMATE.start_main_~#t2118~0.base=|v_ULTIMATE.start_main_~#t2118~0.base_24|, ULTIMATE.start_main_~#t2120~0.base=|v_ULTIMATE.start_main_~#t2120~0.base_19|, ~y~0=v_~y~0_30, ~x~0=v_~x~0_59} AuxVars[] AssignedVars[~__unbuffered_p0_EBX~0, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t2119~0.offset, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t2119~0.base, ULTIMATE.start_main_~#t2120~0.offset, ULTIMATE.start_main_#res, ULTIMATE.start_main_~#t2118~0.offset, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ULTIMATE.start_main_~#t2118~0.base, ULTIMATE.start_main_~#t2120~0.base, ~y~0, ~x~0] {4697#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:35:00,261 INFO L280 TraceCheckUtils]: 1: Hoare triple {4697#(= 0 ~__unbuffered_cnt~0)} [165] L768-->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] {4697#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:35:00,262 INFO L280 TraceCheckUtils]: 2: Hoare triple {4697#(= 0 ~__unbuffered_cnt~0)} [202] L768-1-->L770: Formula: (and (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t2119~0.base_9|) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t2119~0.base_9| 4)) (= |v_#valid_33| (store |v_#valid_34| |v_ULTIMATE.start_main_~#t2119~0.base_9| 1)) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2119~0.base_9| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2119~0.base_9|) |v_ULTIMATE.start_main_~#t2119~0.offset_8| 1)) |v_#memory_int_13|) (not (= 0 |v_ULTIMATE.start_main_~#t2119~0.base_9|)) (= 0 |v_ULTIMATE.start_main_~#t2119~0.offset_8|) (= 0 (select |v_#valid_34| |v_ULTIMATE.start_main_~#t2119~0.base_9|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_14|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_~#t2119~0.offset=|v_ULTIMATE.start_main_~#t2119~0.offset_8|, ULTIMATE.start_main_~#t2119~0.base=|v_ULTIMATE.start_main_~#t2119~0.base_9|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_4|, #valid=|v_#valid_33|, #memory_int=|v_#memory_int_13|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2119~0.offset, ULTIMATE.start_main_~#t2119~0.base, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {4697#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:35:00,262 INFO L280 TraceCheckUtils]: 3: Hoare triple {4697#(= 0 ~__unbuffered_cnt~0)} [167] L770-->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] {4697#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:35:00,263 INFO L280 TraceCheckUtils]: 4: Hoare triple {4697#(= 0 ~__unbuffered_cnt~0)} [195] P1ENTRY-->L730: Formula: (and (= 1 v_~x~0_24) (= |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|} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_4, 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_24} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_~arg.base, ~x~0] {4697#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:35:00,263 INFO L280 TraceCheckUtils]: 5: Hoare triple {4697#(= 0 ~__unbuffered_cnt~0)} [196] L770-1-->L772: Formula: (and (= 0 |v_ULTIMATE.start_main_~#t2120~0.offset_8|) (= (store |v_#valid_28| |v_ULTIMATE.start_main_~#t2120~0.base_8| 1) |v_#valid_27|) (= (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2120~0.base_8| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2120~0.base_8|) |v_ULTIMATE.start_main_~#t2120~0.offset_8| 2)) |v_#memory_int_11|) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t2120~0.base_8|) (not (= 0 |v_ULTIMATE.start_main_~#t2120~0.base_8|)) (= 0 (select |v_#valid_28| |v_ULTIMATE.start_main_~#t2120~0.base_8|)) (= (store |v_#length_14| |v_ULTIMATE.start_main_~#t2120~0.base_8| 4) |v_#length_13|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_28|, #memory_int=|v_#memory_int_12|, #length=|v_#length_14|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_9|, ULTIMATE.start_main_~#t2120~0.offset=|v_ULTIMATE.start_main_~#t2120~0.offset_8|, #valid=|v_#valid_27|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_3|, #memory_int=|v_#memory_int_11|, #length=|v_#length_13|, ULTIMATE.start_main_~#t2120~0.base=|v_ULTIMATE.start_main_~#t2120~0.base_8|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2120~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t2120~0.base] {4697#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:35:00,264 INFO L280 TraceCheckUtils]: 6: Hoare triple {4697#(= 0 ~__unbuffered_cnt~0)} [169] L772-->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] {4697#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:35:00,265 INFO L280 TraceCheckUtils]: 7: Hoare triple {4697#(= 0 ~__unbuffered_cnt~0)} [154] L730-->L733: Formula: (= v_~x~0_3 2) InVars {} OutVars{~x~0=v_~x~0_3} AuxVars[] AssignedVars[~x~0] {4697#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:35:00,265 INFO L280 TraceCheckUtils]: 8: Hoare triple {4697#(= 0 ~__unbuffered_cnt~0)} [208] L733-->P1EXIT: Formula: (and (= v_~__unbuffered_cnt~0_96 (+ v_~__unbuffered_cnt~0_97 1)) (= 0 |v_P1Thread1of1ForFork1_#res.base_5|) (= 0 |v_P1Thread1of1ForFork1_#res.offset_5|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_97} OutVars{P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_96, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_5|} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#res.offset, ~__unbuffered_cnt~0, P1Thread1of1ForFork1_#res.base] {4698#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:35:00,266 INFO L280 TraceCheckUtils]: 9: Hoare triple {4698#(<= ~__unbuffered_cnt~0 1)} [194] P2ENTRY-->L745: Formula: (and (= v_~x~0_23 v_~__unbuffered_p2_EAX~0_18) (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4)) InVars {P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~x~0=v_~x~0_23} 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_18, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~x~0=v_~x~0_23} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {4698#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:35:00,267 INFO L280 TraceCheckUtils]: 10: Hoare triple {4698#(<= ~__unbuffered_cnt~0 1)} [160] L745-->L748: Formula: (= v_~y~0_2 1) InVars {} OutVars{~y~0=v_~y~0_2} AuxVars[] AssignedVars[~y~0] {4698#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:35:00,267 INFO L280 TraceCheckUtils]: 11: Hoare triple {4698#(<= ~__unbuffered_cnt~0 1)} [177] P0ENTRY-->L715: Formula: (and (= v_~y~0_7 v_~__unbuffered_p0_EAX~0_12) (= 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|, ~y~0=v_~y~0_7} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_12, P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~y~0=v_~y~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] {4698#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:35:00,268 INFO L280 TraceCheckUtils]: 12: Hoare triple {4698#(<= ~__unbuffered_cnt~0 1)} [207] L772-1-->L2: Formula: (and (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond_8| (mod v_~main$tmp_guard0~0_22 256)) (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_91))) (or (and (= 1 v_~main$tmp_guard0~0_22) .cse0) (and (not .cse0) (= 0 v_~main$tmp_guard0~0_22))))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_91} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_8|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_10, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_13|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_91, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_22} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {4699#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond|))} is VALID [2020-07-28 21:35:00,270 INFO L280 TraceCheckUtils]: 13: Hoare triple {4699#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond|))} [225] L2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_26)) (= 2 v_~__unbuffered_p2_EAX~0_43) (= 2 v_~x~0_58) (= v_ULTIMATE.start___VERIFIER_assert_~expression_17 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_11|) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_11| (mod v_~main$tmp_guard1~0_40 256)) (= v_~__unbuffered_p0_EBX~0_46 0) (= 1 v_~__unbuffered_p0_EAX~0_52) (= 0 v_~main$tmp_guard1~0_40) (= v_ULTIMATE.start_assume_abort_if_not_~cond_26 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_24|)) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_24|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_52, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_46, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_43, ~x~0=v_~x~0_58} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_24|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_52, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_17, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_46, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_26, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_40, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_43, ~x~0=v_~x~0_58, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_11|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {4696#false} is VALID [2020-07-28 21:35:00,271 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 21:35:00,271 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119346597] [2020-07-28 21:35:00,272 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:35:00,272 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 21:35:00,272 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246895395] [2020-07-28 21:35:00,272 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-07-28 21:35:00,272 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:35:00,273 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 21:35:00,292 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 21:35:00,293 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 21:35:00,293 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:35:00,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 21:35:00,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-28 21:35:00,294 INFO L87 Difference]: Start difference. First operand 87 states and 183 transitions. Second operand 5 states. [2020-07-28 21:35:00,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:35:00,446 INFO L93 Difference]: Finished difference Result 90 states and 175 transitions. [2020-07-28 21:35:00,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 21:35:00,446 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-07-28 21:35:00,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:35:00,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:35:00,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 54 transitions. [2020-07-28 21:35:00,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:35:00,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 54 transitions. [2020-07-28 21:35:00,449 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 54 transitions. [2020-07-28 21:35:00,508 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 54 edges. 54 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:35:00,509 INFO L225 Difference]: With dead ends: 90 [2020-07-28 21:35:00,510 INFO L226 Difference]: Without dead ends: 65 [2020-07-28 21:35:00,510 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-28 21:35:00,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-07-28 21:35:00,511 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,512 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,512 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,512 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,512 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,512 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,513 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,513 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,513 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,513 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,513 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,514 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,514 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,514 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,514 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,514 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,515 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,515 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,515 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,515 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,515 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,515 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,516 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,516 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,516 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,516 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,516 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,517 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,517 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,517 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,517 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,517 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,518 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,518 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,518 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,518 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,518 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,518 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,519 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,519 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,519 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,519 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,519 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,520 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,520 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,520 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,520 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,520 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,521 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,521 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,521 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,521 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,521 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,522 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,522 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,522 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,522 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,522 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,523 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,523 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,523 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,523 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,523 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,524 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,524 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2020-07-28 21:35:00,524 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:35:00,524 INFO L82 GeneralOperation]: Start isEquivalent. First operand 65 states. Second operand 65 states. [2020-07-28 21:35:00,524 INFO L74 IsIncluded]: Start isIncluded. First operand 65 states. Second operand 65 states. [2020-07-28 21:35:00,525 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 65 states. [2020-07-28 21:35:00,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:35:00,526 INFO L93 Difference]: Finished difference Result 65 states and 119 transitions. [2020-07-28 21:35:00,526 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 119 transitions. [2020-07-28 21:35:00,527 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:35:00,527 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:35:00,527 INFO L74 IsIncluded]: Start isIncluded. First operand 65 states. Second operand 65 states. [2020-07-28 21:35:00,527 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 65 states. [2020-07-28 21:35:00,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:35:00,529 INFO L93 Difference]: Finished difference Result 65 states and 119 transitions. [2020-07-28 21:35:00,529 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 119 transitions. [2020-07-28 21:35:00,529 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:35:00,529 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:35:00,529 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:35:00,529 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:35:00,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-07-28 21:35:00,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 119 transitions. [2020-07-28 21:35:00,531 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 119 transitions. Word has length 14 [2020-07-28 21:35:00,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:35:00,531 INFO L479 AbstractCegarLoop]: Abstraction has 65 states and 119 transitions. [2020-07-28 21:35:00,531 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 21:35:00,531 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 119 transitions. [2020-07-28 21:35:00,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-07-28 21:35:00,532 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:35:00,532 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:35:00,532 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-28 21:35:00,532 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:35:00,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:35:00,533 INFO L82 PathProgramCache]: Analyzing trace with hash 567169455, now seen corresponding path program 1 times [2020-07-28 21:35:00,533 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:35:00,533 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503590018] [2020-07-28 21:35:00,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:35:00,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:35:00,606 INFO L280 TraceCheckUtils]: 0: Hoare triple {5054#true} [226] ULTIMATE.startENTRY-->L768: Formula: (let ((.cse0 (store |v_#valid_58| 0 0))) (and (= 0 v_~main$tmp_guard0~0_35) (= v_~__unbuffered_cnt~0_131 0) (= 0 v_~main$tmp_guard1~0_41) (= 0 v_~__unbuffered_p0_EAX~0_53) (= |v_#length_19| (store |v_#length_20| |v_ULTIMATE.start_main_~#t2118~0.base_24| 4)) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t2118~0.base_24|)) (= 0 |v_#NULL.base_6|) (= (store |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2118~0.base_24| (store (select |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2118~0.base_24|) |v_ULTIMATE.start_main_~#t2118~0.offset_17| 0)) |v_#memory_int_17|) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2118~0.base_24|) (= (store .cse0 |v_ULTIMATE.start_main_~#t2118~0.base_24| 1) |v_#valid_56|) (= 0 v_~y~0_30) (= 0 |v_ULTIMATE.start_main_~#t2118~0.offset_17|) (= 0 v_~x~0_59) (= 0 |v_#NULL.offset_6|) (= 0 v_~__unbuffered_p2_EAX~0_44) (< 0 |v_#StackHeapBarrier_15|) (= v_~__unbuffered_p0_EBX~0_47 0))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_58|, #memory_int=|v_#memory_int_18|, #length=|v_#length_20|} OutVars{~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_47, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_25|, ULTIMATE.start_main_~#t2119~0.offset=|v_ULTIMATE.start_main_~#t2119~0.offset_16|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_6|, #NULL.offset=|v_#NULL.offset_6|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_41, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_35, #NULL.base=|v_#NULL.base_6|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_53, ULTIMATE.start_main_~#t2119~0.base=|v_ULTIMATE.start_main_~#t2119~0.base_22|, ULTIMATE.start_main_~#t2120~0.offset=|v_ULTIMATE.start_main_~#t2120~0.offset_14|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_16|, ULTIMATE.start_main_~#t2118~0.offset=|v_ULTIMATE.start_main_~#t2118~0.offset_17|, #valid=|v_#valid_56|, #memory_int=|v_#memory_int_17|, #length=|v_#length_19|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_44, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_131, ULTIMATE.start_main_~#t2118~0.base=|v_ULTIMATE.start_main_~#t2118~0.base_24|, ULTIMATE.start_main_~#t2120~0.base=|v_ULTIMATE.start_main_~#t2120~0.base_19|, ~y~0=v_~y~0_30, ~x~0=v_~x~0_59} AuxVars[] AssignedVars[~__unbuffered_p0_EBX~0, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t2119~0.offset, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t2119~0.base, ULTIMATE.start_main_~#t2120~0.offset, ULTIMATE.start_main_#res, ULTIMATE.start_main_~#t2118~0.offset, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ULTIMATE.start_main_~#t2118~0.base, ULTIMATE.start_main_~#t2120~0.base, ~y~0, ~x~0] {5056#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:35:00,607 INFO L280 TraceCheckUtils]: 1: Hoare triple {5056#(= 0 ~__unbuffered_cnt~0)} [165] L768-->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] {5056#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:35:00,608 INFO L280 TraceCheckUtils]: 2: Hoare triple {5056#(= 0 ~__unbuffered_cnt~0)} [202] L768-1-->L770: Formula: (and (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t2119~0.base_9|) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t2119~0.base_9| 4)) (= |v_#valid_33| (store |v_#valid_34| |v_ULTIMATE.start_main_~#t2119~0.base_9| 1)) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2119~0.base_9| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2119~0.base_9|) |v_ULTIMATE.start_main_~#t2119~0.offset_8| 1)) |v_#memory_int_13|) (not (= 0 |v_ULTIMATE.start_main_~#t2119~0.base_9|)) (= 0 |v_ULTIMATE.start_main_~#t2119~0.offset_8|) (= 0 (select |v_#valid_34| |v_ULTIMATE.start_main_~#t2119~0.base_9|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_14|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_~#t2119~0.offset=|v_ULTIMATE.start_main_~#t2119~0.offset_8|, ULTIMATE.start_main_~#t2119~0.base=|v_ULTIMATE.start_main_~#t2119~0.base_9|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_4|, #valid=|v_#valid_33|, #memory_int=|v_#memory_int_13|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2119~0.offset, ULTIMATE.start_main_~#t2119~0.base, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {5056#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:35:00,608 INFO L280 TraceCheckUtils]: 3: Hoare triple {5056#(= 0 ~__unbuffered_cnt~0)} [167] L770-->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] {5056#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:35:00,609 INFO L280 TraceCheckUtils]: 4: Hoare triple {5056#(= 0 ~__unbuffered_cnt~0)} [195] P1ENTRY-->L730: Formula: (and (= 1 v_~x~0_24) (= |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|} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_4, 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_24} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_~arg.base, ~x~0] {5056#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:35:00,610 INFO L280 TraceCheckUtils]: 5: Hoare triple {5056#(= 0 ~__unbuffered_cnt~0)} [196] L770-1-->L772: Formula: (and (= 0 |v_ULTIMATE.start_main_~#t2120~0.offset_8|) (= (store |v_#valid_28| |v_ULTIMATE.start_main_~#t2120~0.base_8| 1) |v_#valid_27|) (= (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2120~0.base_8| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2120~0.base_8|) |v_ULTIMATE.start_main_~#t2120~0.offset_8| 2)) |v_#memory_int_11|) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t2120~0.base_8|) (not (= 0 |v_ULTIMATE.start_main_~#t2120~0.base_8|)) (= 0 (select |v_#valid_28| |v_ULTIMATE.start_main_~#t2120~0.base_8|)) (= (store |v_#length_14| |v_ULTIMATE.start_main_~#t2120~0.base_8| 4) |v_#length_13|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_28|, #memory_int=|v_#memory_int_12|, #length=|v_#length_14|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_9|, ULTIMATE.start_main_~#t2120~0.offset=|v_ULTIMATE.start_main_~#t2120~0.offset_8|, #valid=|v_#valid_27|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_3|, #memory_int=|v_#memory_int_11|, #length=|v_#length_13|, ULTIMATE.start_main_~#t2120~0.base=|v_ULTIMATE.start_main_~#t2120~0.base_8|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2120~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t2120~0.base] {5056#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:35:00,611 INFO L280 TraceCheckUtils]: 6: Hoare triple {5056#(= 0 ~__unbuffered_cnt~0)} [169] L772-->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] {5056#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:35:00,611 INFO L280 TraceCheckUtils]: 7: Hoare triple {5056#(= 0 ~__unbuffered_cnt~0)} [154] L730-->L733: Formula: (= v_~x~0_3 2) InVars {} OutVars{~x~0=v_~x~0_3} AuxVars[] AssignedVars[~x~0] {5056#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:35:00,612 INFO L280 TraceCheckUtils]: 8: Hoare triple {5056#(= 0 ~__unbuffered_cnt~0)} [208] L733-->P1EXIT: Formula: (and (= v_~__unbuffered_cnt~0_96 (+ v_~__unbuffered_cnt~0_97 1)) (= 0 |v_P1Thread1of1ForFork1_#res.base_5|) (= 0 |v_P1Thread1of1ForFork1_#res.offset_5|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_97} OutVars{P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_96, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_5|} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#res.offset, ~__unbuffered_cnt~0, P1Thread1of1ForFork1_#res.base] {5057#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:35:00,613 INFO L280 TraceCheckUtils]: 9: Hoare triple {5057#(<= ~__unbuffered_cnt~0 1)} [194] P2ENTRY-->L745: Formula: (and (= v_~x~0_23 v_~__unbuffered_p2_EAX~0_18) (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4)) InVars {P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~x~0=v_~x~0_23} 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_18, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~x~0=v_~x~0_23} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {5057#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:35:00,613 INFO L280 TraceCheckUtils]: 10: Hoare triple {5057#(<= ~__unbuffered_cnt~0 1)} [160] L745-->L748: Formula: (= v_~y~0_2 1) InVars {} OutVars{~y~0=v_~y~0_2} AuxVars[] AssignedVars[~y~0] {5057#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:35:00,614 INFO L280 TraceCheckUtils]: 11: Hoare triple {5057#(<= ~__unbuffered_cnt~0 1)} [177] P0ENTRY-->L715: Formula: (and (= v_~y~0_7 v_~__unbuffered_p0_EAX~0_12) (= 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|, ~y~0=v_~y~0_7} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_12, P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~y~0=v_~y~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] {5057#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:35:00,615 INFO L280 TraceCheckUtils]: 12: Hoare triple {5057#(<= ~__unbuffered_cnt~0 1)} [211] L748-->P2EXIT: Formula: (and (= v_~__unbuffered_cnt~0_102 (+ v_~__unbuffered_cnt~0_103 1)) (= |v_P2Thread1of1ForFork2_#res.offset_5| 0) (= 0 |v_P2Thread1of1ForFork2_#res.base_5|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_103} OutVars{P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_102, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_5|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#res.base, ~__unbuffered_cnt~0, P2Thread1of1ForFork2_#res.offset] {5058#(<= ~__unbuffered_cnt~0 2)} is VALID [2020-07-28 21:35:00,618 INFO L280 TraceCheckUtils]: 13: Hoare triple {5058#(<= ~__unbuffered_cnt~0 2)} [207] L772-1-->L2: Formula: (and (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond_8| (mod v_~main$tmp_guard0~0_22 256)) (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_91))) (or (and (= 1 v_~main$tmp_guard0~0_22) .cse0) (and (not .cse0) (= 0 v_~main$tmp_guard0~0_22))))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_91} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_8|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_10, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_13|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_91, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_22} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {5059#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond|))} is VALID [2020-07-28 21:35:00,619 INFO L280 TraceCheckUtils]: 14: Hoare triple {5059#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond|))} [225] L2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_26)) (= 2 v_~__unbuffered_p2_EAX~0_43) (= 2 v_~x~0_58) (= v_ULTIMATE.start___VERIFIER_assert_~expression_17 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_11|) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_11| (mod v_~main$tmp_guard1~0_40 256)) (= v_~__unbuffered_p0_EBX~0_46 0) (= 1 v_~__unbuffered_p0_EAX~0_52) (= 0 v_~main$tmp_guard1~0_40) (= v_ULTIMATE.start_assume_abort_if_not_~cond_26 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_24|)) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_24|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_52, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_46, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_43, ~x~0=v_~x~0_58} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_24|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_52, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_17, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_46, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_26, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_40, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_43, ~x~0=v_~x~0_58, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_11|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {5055#false} is VALID [2020-07-28 21:35:00,620 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 21:35:00,620 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503590018] [2020-07-28 21:35:00,620 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:35:00,620 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 21:35:00,621 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776959588] [2020-07-28 21:35:00,621 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-07-28 21:35:00,621 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:35:00,621 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 21:35:00,639 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 15 edges. 15 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:35:00,639 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 21:35:00,640 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:35:00,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 21:35:00,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-28 21:35:00,640 INFO L87 Difference]: Start difference. First operand 65 states and 119 transitions. Second operand 6 states. [2020-07-28 21:35:00,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:35:00,795 INFO L93 Difference]: Finished difference Result 62 states and 111 transitions. [2020-07-28 21:35:00,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-28 21:35:00,796 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-07-28 21:35:00,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:35:00,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 21:35:00,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 45 transitions. [2020-07-28 21:35:00,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 21:35:00,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 45 transitions. [2020-07-28 21:35:00,798 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 45 transitions. [2020-07-28 21:35:00,858 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 21:35:00,859 INFO L225 Difference]: With dead ends: 62 [2020-07-28 21:35:00,860 INFO L226 Difference]: Without dead ends: 54 [2020-07-28 21:35:00,860 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-28 21:35:00,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2020-07-28 21:35:00,861 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,862 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,862 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,862 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,862 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,862 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,863 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,863 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,863 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,863 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,863 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,864 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,864 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,864 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,864 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,864 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,865 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,865 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,865 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,865 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,865 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,865 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,866 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,866 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,866 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,866 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,866 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,867 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,867 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,867 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,867 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,867 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,867 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,868 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,868 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,868 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,868 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,868 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,869 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,869 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,869 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,869 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,869 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,870 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,870 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,870 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,870 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,870 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,871 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,871 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,871 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,871 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,871 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,872 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:00,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2020-07-28 21:35:00,872 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:35:00,872 INFO L82 GeneralOperation]: Start isEquivalent. First operand 54 states. Second operand 54 states. [2020-07-28 21:35:00,872 INFO L74 IsIncluded]: Start isIncluded. First operand 54 states. Second operand 54 states. [2020-07-28 21:35:00,872 INFO L87 Difference]: Start difference. First operand 54 states. Second operand 54 states. [2020-07-28 21:35:00,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:35:00,874 INFO L93 Difference]: Finished difference Result 54 states and 97 transitions. [2020-07-28 21:35:00,874 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 97 transitions. [2020-07-28 21:35:00,874 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:35:00,874 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:35:00,875 INFO L74 IsIncluded]: Start isIncluded. First operand 54 states. Second operand 54 states. [2020-07-28 21:35:00,875 INFO L87 Difference]: Start difference. First operand 54 states. Second operand 54 states. [2020-07-28 21:35:00,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:35:00,876 INFO L93 Difference]: Finished difference Result 54 states and 97 transitions. [2020-07-28 21:35:00,876 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 97 transitions. [2020-07-28 21:35:00,876 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:35:00,876 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:35:00,877 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:35:00,877 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:35:00,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-07-28 21:35:00,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 97 transitions. [2020-07-28 21:35:00,878 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 97 transitions. Word has length 15 [2020-07-28 21:35:00,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:35:00,878 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 97 transitions. [2020-07-28 21:35:00,879 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 21:35:00,879 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 97 transitions. [2020-07-28 21:35:00,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-28 21:35:00,879 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:35:00,879 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:35:00,879 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-28 21:35:00,880 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:35:00,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:35:00,880 INFO L82 PathProgramCache]: Analyzing trace with hash -412776350, now seen corresponding path program 1 times [2020-07-28 21:35:00,880 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:35:00,880 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606761267] [2020-07-28 21:35:00,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:35:00,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:35:00,919 INFO L280 TraceCheckUtils]: 0: Hoare triple {5342#true} [226] ULTIMATE.startENTRY-->L768: Formula: (let ((.cse0 (store |v_#valid_58| 0 0))) (and (= 0 v_~main$tmp_guard0~0_35) (= v_~__unbuffered_cnt~0_131 0) (= 0 v_~main$tmp_guard1~0_41) (= 0 v_~__unbuffered_p0_EAX~0_53) (= |v_#length_19| (store |v_#length_20| |v_ULTIMATE.start_main_~#t2118~0.base_24| 4)) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t2118~0.base_24|)) (= 0 |v_#NULL.base_6|) (= (store |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2118~0.base_24| (store (select |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2118~0.base_24|) |v_ULTIMATE.start_main_~#t2118~0.offset_17| 0)) |v_#memory_int_17|) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2118~0.base_24|) (= (store .cse0 |v_ULTIMATE.start_main_~#t2118~0.base_24| 1) |v_#valid_56|) (= 0 v_~y~0_30) (= 0 |v_ULTIMATE.start_main_~#t2118~0.offset_17|) (= 0 v_~x~0_59) (= 0 |v_#NULL.offset_6|) (= 0 v_~__unbuffered_p2_EAX~0_44) (< 0 |v_#StackHeapBarrier_15|) (= v_~__unbuffered_p0_EBX~0_47 0))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_58|, #memory_int=|v_#memory_int_18|, #length=|v_#length_20|} OutVars{~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_47, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_25|, ULTIMATE.start_main_~#t2119~0.offset=|v_ULTIMATE.start_main_~#t2119~0.offset_16|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_6|, #NULL.offset=|v_#NULL.offset_6|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_41, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_35, #NULL.base=|v_#NULL.base_6|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_53, ULTIMATE.start_main_~#t2119~0.base=|v_ULTIMATE.start_main_~#t2119~0.base_22|, ULTIMATE.start_main_~#t2120~0.offset=|v_ULTIMATE.start_main_~#t2120~0.offset_14|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_16|, ULTIMATE.start_main_~#t2118~0.offset=|v_ULTIMATE.start_main_~#t2118~0.offset_17|, #valid=|v_#valid_56|, #memory_int=|v_#memory_int_17|, #length=|v_#length_19|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_44, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_131, ULTIMATE.start_main_~#t2118~0.base=|v_ULTIMATE.start_main_~#t2118~0.base_24|, ULTIMATE.start_main_~#t2120~0.base=|v_ULTIMATE.start_main_~#t2120~0.base_19|, ~y~0=v_~y~0_30, ~x~0=v_~x~0_59} AuxVars[] AssignedVars[~__unbuffered_p0_EBX~0, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t2119~0.offset, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t2119~0.base, ULTIMATE.start_main_~#t2120~0.offset, ULTIMATE.start_main_#res, ULTIMATE.start_main_~#t2118~0.offset, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ULTIMATE.start_main_~#t2118~0.base, ULTIMATE.start_main_~#t2120~0.base, ~y~0, ~x~0] {5342#true} is VALID [2020-07-28 21:35:00,920 INFO L280 TraceCheckUtils]: 1: Hoare triple {5342#true} [165] L768-->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] {5342#true} is VALID [2020-07-28 21:35:00,920 INFO L280 TraceCheckUtils]: 2: Hoare triple {5342#true} [202] L768-1-->L770: Formula: (and (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t2119~0.base_9|) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t2119~0.base_9| 4)) (= |v_#valid_33| (store |v_#valid_34| |v_ULTIMATE.start_main_~#t2119~0.base_9| 1)) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2119~0.base_9| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2119~0.base_9|) |v_ULTIMATE.start_main_~#t2119~0.offset_8| 1)) |v_#memory_int_13|) (not (= 0 |v_ULTIMATE.start_main_~#t2119~0.base_9|)) (= 0 |v_ULTIMATE.start_main_~#t2119~0.offset_8|) (= 0 (select |v_#valid_34| |v_ULTIMATE.start_main_~#t2119~0.base_9|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_14|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_~#t2119~0.offset=|v_ULTIMATE.start_main_~#t2119~0.offset_8|, ULTIMATE.start_main_~#t2119~0.base=|v_ULTIMATE.start_main_~#t2119~0.base_9|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_4|, #valid=|v_#valid_33|, #memory_int=|v_#memory_int_13|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2119~0.offset, ULTIMATE.start_main_~#t2119~0.base, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {5342#true} is VALID [2020-07-28 21:35:00,920 INFO L280 TraceCheckUtils]: 3: Hoare triple {5342#true} [167] L770-->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] {5342#true} is VALID [2020-07-28 21:35:00,920 INFO L280 TraceCheckUtils]: 4: Hoare triple {5342#true} [195] P1ENTRY-->L730: Formula: (and (= 1 v_~x~0_24) (= |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|} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_4, 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_24} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_~arg.base, ~x~0] {5342#true} is VALID [2020-07-28 21:35:00,921 INFO L280 TraceCheckUtils]: 5: Hoare triple {5342#true} [196] L770-1-->L772: Formula: (and (= 0 |v_ULTIMATE.start_main_~#t2120~0.offset_8|) (= (store |v_#valid_28| |v_ULTIMATE.start_main_~#t2120~0.base_8| 1) |v_#valid_27|) (= (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2120~0.base_8| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2120~0.base_8|) |v_ULTIMATE.start_main_~#t2120~0.offset_8| 2)) |v_#memory_int_11|) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t2120~0.base_8|) (not (= 0 |v_ULTIMATE.start_main_~#t2120~0.base_8|)) (= 0 (select |v_#valid_28| |v_ULTIMATE.start_main_~#t2120~0.base_8|)) (= (store |v_#length_14| |v_ULTIMATE.start_main_~#t2120~0.base_8| 4) |v_#length_13|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_28|, #memory_int=|v_#memory_int_12|, #length=|v_#length_14|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_9|, ULTIMATE.start_main_~#t2120~0.offset=|v_ULTIMATE.start_main_~#t2120~0.offset_8|, #valid=|v_#valid_27|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_3|, #memory_int=|v_#memory_int_11|, #length=|v_#length_13|, ULTIMATE.start_main_~#t2120~0.base=|v_ULTIMATE.start_main_~#t2120~0.base_8|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2120~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t2120~0.base] {5342#true} is VALID [2020-07-28 21:35:00,921 INFO L280 TraceCheckUtils]: 6: Hoare triple {5342#true} [169] L772-->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] {5342#true} is VALID [2020-07-28 21:35:00,922 INFO L280 TraceCheckUtils]: 7: Hoare triple {5342#true} [154] L730-->L733: Formula: (= v_~x~0_3 2) InVars {} OutVars{~x~0=v_~x~0_3} AuxVars[] AssignedVars[~x~0] {5344#(= 2 ~x~0)} is VALID [2020-07-28 21:35:00,922 INFO L280 TraceCheckUtils]: 8: Hoare triple {5344#(= 2 ~x~0)} [208] L733-->P1EXIT: Formula: (and (= v_~__unbuffered_cnt~0_96 (+ v_~__unbuffered_cnt~0_97 1)) (= 0 |v_P1Thread1of1ForFork1_#res.base_5|) (= 0 |v_P1Thread1of1ForFork1_#res.offset_5|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_97} OutVars{P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_96, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_5|} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#res.offset, ~__unbuffered_cnt~0, P1Thread1of1ForFork1_#res.base] {5344#(= 2 ~x~0)} is VALID [2020-07-28 21:35:00,923 INFO L280 TraceCheckUtils]: 9: Hoare triple {5344#(= 2 ~x~0)} [194] P2ENTRY-->L745: Formula: (and (= v_~x~0_23 v_~__unbuffered_p2_EAX~0_18) (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4)) InVars {P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~x~0=v_~x~0_23} 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_18, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~x~0=v_~x~0_23} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {5344#(= 2 ~x~0)} is VALID [2020-07-28 21:35:00,923 INFO L280 TraceCheckUtils]: 10: Hoare triple {5344#(= 2 ~x~0)} [160] L745-->L748: Formula: (= v_~y~0_2 1) InVars {} OutVars{~y~0=v_~y~0_2} AuxVars[] AssignedVars[~y~0] {5344#(= 2 ~x~0)} is VALID [2020-07-28 21:35:00,924 INFO L280 TraceCheckUtils]: 11: Hoare triple {5344#(= 2 ~x~0)} [177] P0ENTRY-->L715: Formula: (and (= v_~y~0_7 v_~__unbuffered_p0_EAX~0_12) (= 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|, ~y~0=v_~y~0_7} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_12, P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~y~0=v_~y~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] {5344#(= 2 ~x~0)} is VALID [2020-07-28 21:35:00,926 INFO L280 TraceCheckUtils]: 12: Hoare triple {5344#(= 2 ~x~0)} [211] L748-->P2EXIT: Formula: (and (= v_~__unbuffered_cnt~0_102 (+ v_~__unbuffered_cnt~0_103 1)) (= |v_P2Thread1of1ForFork2_#res.offset_5| 0) (= 0 |v_P2Thread1of1ForFork2_#res.base_5|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_103} OutVars{P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_102, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_5|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#res.base, ~__unbuffered_cnt~0, P2Thread1of1ForFork2_#res.offset] {5344#(= 2 ~x~0)} is VALID [2020-07-28 21:35:00,934 INFO L280 TraceCheckUtils]: 13: Hoare triple {5344#(= 2 ~x~0)} [148] L715-->L718: Formula: (= v_~__unbuffered_p0_EBX~0_1 v_~x~0_1) InVars {~x~0=v_~x~0_1} OutVars{~x~0=v_~x~0_1, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_1} AuxVars[] AssignedVars[~__unbuffered_p0_EBX~0] {5345#(= 2 ~__unbuffered_p0_EBX~0)} is VALID [2020-07-28 21:35:00,935 INFO L280 TraceCheckUtils]: 14: Hoare triple {5345#(= 2 ~__unbuffered_p0_EBX~0)} [199] L718-->P0EXIT: Formula: (and (= v_~__unbuffered_cnt~0_85 (+ v_~__unbuffered_cnt~0_86 1)) (= 0 |v_P0Thread1of1ForFork0_#res.offset_17|) (= 0 |v_P0Thread1of1ForFork0_#res.base_17|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_86} OutVars{P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_17|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_17|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_85} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_#res.base, ~__unbuffered_cnt~0] {5345#(= 2 ~__unbuffered_p0_EBX~0)} is VALID [2020-07-28 21:35:00,936 INFO L280 TraceCheckUtils]: 15: Hoare triple {5345#(= 2 ~__unbuffered_p0_EBX~0)} [207] L772-1-->L2: Formula: (and (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond_8| (mod v_~main$tmp_guard0~0_22 256)) (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_91))) (or (and (= 1 v_~main$tmp_guard0~0_22) .cse0) (and (not .cse0) (= 0 v_~main$tmp_guard0~0_22))))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_91} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_8|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_10, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_13|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_91, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_22} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {5345#(= 2 ~__unbuffered_p0_EBX~0)} is VALID [2020-07-28 21:35:00,937 INFO L280 TraceCheckUtils]: 16: Hoare triple {5345#(= 2 ~__unbuffered_p0_EBX~0)} [225] L2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_26)) (= 2 v_~__unbuffered_p2_EAX~0_43) (= 2 v_~x~0_58) (= v_ULTIMATE.start___VERIFIER_assert_~expression_17 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_11|) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_11| (mod v_~main$tmp_guard1~0_40 256)) (= v_~__unbuffered_p0_EBX~0_46 0) (= 1 v_~__unbuffered_p0_EAX~0_52) (= 0 v_~main$tmp_guard1~0_40) (= v_ULTIMATE.start_assume_abort_if_not_~cond_26 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_24|)) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_24|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_52, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_46, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_43, ~x~0=v_~x~0_58} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_24|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_52, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_17, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_46, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_26, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_40, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_43, ~x~0=v_~x~0_58, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_11|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {5343#false} is VALID [2020-07-28 21:35:00,938 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 21:35:00,938 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606761267] [2020-07-28 21:35:00,938 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:35:00,938 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 21:35:00,938 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577640247] [2020-07-28 21:35:00,939 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-07-28 21:35:00,939 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:35:00,939 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 21:35:00,958 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:35:00,958 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 21:35:00,958 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:35:00,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 21:35:00,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 21:35:00,959 INFO L87 Difference]: Start difference. First operand 54 states and 97 transitions. Second operand 4 states. [2020-07-28 21:35:01,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:35:01,022 INFO L93 Difference]: Finished difference Result 63 states and 110 transitions. [2020-07-28 21:35:01,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-28 21:35:01,023 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-07-28 21:35:01,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:35:01,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:35:01,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 30 transitions. [2020-07-28 21:35:01,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:35:01,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 30 transitions. [2020-07-28 21:35:01,024 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 30 transitions. [2020-07-28 21:35:01,066 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:35:01,067 INFO L225 Difference]: With dead ends: 63 [2020-07-28 21:35:01,067 INFO L226 Difference]: Without dead ends: 35 [2020-07-28 21:35:01,067 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 21:35:01,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-07-28 21:35:01,068 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,068 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,068 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,069 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,069 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,069 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,069 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,069 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,070 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,070 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,070 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,070 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,070 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,070 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,071 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,071 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,071 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,071 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,071 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,072 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,072 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,072 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,072 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,072 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,072 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,073 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,073 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,073 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,073 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,073 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,074 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,074 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,074 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,074 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,074 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-07-28 21:35:01,075 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:35:01,075 INFO L82 GeneralOperation]: Start isEquivalent. First operand 35 states. Second operand 35 states. [2020-07-28 21:35:01,075 INFO L74 IsIncluded]: Start isIncluded. First operand 35 states. Second operand 35 states. [2020-07-28 21:35:01,075 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 35 states. [2020-07-28 21:35:01,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:35:01,076 INFO L93 Difference]: Finished difference Result 35 states and 56 transitions. [2020-07-28 21:35:01,076 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 56 transitions. [2020-07-28 21:35:01,076 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:35:01,076 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:35:01,076 INFO L74 IsIncluded]: Start isIncluded. First operand 35 states. Second operand 35 states. [2020-07-28 21:35:01,077 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 35 states. [2020-07-28 21:35:01,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:35:01,077 INFO L93 Difference]: Finished difference Result 35 states and 56 transitions. [2020-07-28 21:35:01,077 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 56 transitions. [2020-07-28 21:35:01,078 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:35:01,078 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:35:01,078 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:35:01,078 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:35:01,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-07-28 21:35:01,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 56 transitions. [2020-07-28 21:35:01,079 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 56 transitions. Word has length 17 [2020-07-28 21:35:01,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:35:01,079 INFO L479 AbstractCegarLoop]: Abstraction has 35 states and 56 transitions. [2020-07-28 21:35:01,079 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 21:35:01,079 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 56 transitions. [2020-07-28 21:35:01,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-28 21:35:01,080 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:35:01,080 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:35:01,080 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-28 21:35:01,080 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:35:01,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:35:01,081 INFO L82 PathProgramCache]: Analyzing trace with hash 361560856, now seen corresponding path program 2 times [2020-07-28 21:35:01,081 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:35:01,081 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487345985] [2020-07-28 21:35:01,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:35:01,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:35:01,146 INFO L280 TraceCheckUtils]: 0: Hoare triple {5553#true} [226] ULTIMATE.startENTRY-->L768: Formula: (let ((.cse0 (store |v_#valid_58| 0 0))) (and (= 0 v_~main$tmp_guard0~0_35) (= v_~__unbuffered_cnt~0_131 0) (= 0 v_~main$tmp_guard1~0_41) (= 0 v_~__unbuffered_p0_EAX~0_53) (= |v_#length_19| (store |v_#length_20| |v_ULTIMATE.start_main_~#t2118~0.base_24| 4)) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t2118~0.base_24|)) (= 0 |v_#NULL.base_6|) (= (store |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2118~0.base_24| (store (select |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2118~0.base_24|) |v_ULTIMATE.start_main_~#t2118~0.offset_17| 0)) |v_#memory_int_17|) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2118~0.base_24|) (= (store .cse0 |v_ULTIMATE.start_main_~#t2118~0.base_24| 1) |v_#valid_56|) (= 0 v_~y~0_30) (= 0 |v_ULTIMATE.start_main_~#t2118~0.offset_17|) (= 0 v_~x~0_59) (= 0 |v_#NULL.offset_6|) (= 0 v_~__unbuffered_p2_EAX~0_44) (< 0 |v_#StackHeapBarrier_15|) (= v_~__unbuffered_p0_EBX~0_47 0))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_58|, #memory_int=|v_#memory_int_18|, #length=|v_#length_20|} OutVars{~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_47, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_25|, ULTIMATE.start_main_~#t2119~0.offset=|v_ULTIMATE.start_main_~#t2119~0.offset_16|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_6|, #NULL.offset=|v_#NULL.offset_6|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_41, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_35, #NULL.base=|v_#NULL.base_6|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_53, ULTIMATE.start_main_~#t2119~0.base=|v_ULTIMATE.start_main_~#t2119~0.base_22|, ULTIMATE.start_main_~#t2120~0.offset=|v_ULTIMATE.start_main_~#t2120~0.offset_14|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_16|, ULTIMATE.start_main_~#t2118~0.offset=|v_ULTIMATE.start_main_~#t2118~0.offset_17|, #valid=|v_#valid_56|, #memory_int=|v_#memory_int_17|, #length=|v_#length_19|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_44, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_131, ULTIMATE.start_main_~#t2118~0.base=|v_ULTIMATE.start_main_~#t2118~0.base_24|, ULTIMATE.start_main_~#t2120~0.base=|v_ULTIMATE.start_main_~#t2120~0.base_19|, ~y~0=v_~y~0_30, ~x~0=v_~x~0_59} AuxVars[] AssignedVars[~__unbuffered_p0_EBX~0, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t2119~0.offset, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t2119~0.base, ULTIMATE.start_main_~#t2120~0.offset, ULTIMATE.start_main_#res, ULTIMATE.start_main_~#t2118~0.offset, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ULTIMATE.start_main_~#t2118~0.base, ULTIMATE.start_main_~#t2120~0.base, ~y~0, ~x~0] {5553#true} is VALID [2020-07-28 21:35:01,146 INFO L280 TraceCheckUtils]: 1: Hoare triple {5553#true} [165] L768-->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] {5553#true} is VALID [2020-07-28 21:35:01,147 INFO L280 TraceCheckUtils]: 2: Hoare triple {5553#true} [202] L768-1-->L770: Formula: (and (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t2119~0.base_9|) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t2119~0.base_9| 4)) (= |v_#valid_33| (store |v_#valid_34| |v_ULTIMATE.start_main_~#t2119~0.base_9| 1)) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2119~0.base_9| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2119~0.base_9|) |v_ULTIMATE.start_main_~#t2119~0.offset_8| 1)) |v_#memory_int_13|) (not (= 0 |v_ULTIMATE.start_main_~#t2119~0.base_9|)) (= 0 |v_ULTIMATE.start_main_~#t2119~0.offset_8|) (= 0 (select |v_#valid_34| |v_ULTIMATE.start_main_~#t2119~0.base_9|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_14|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_~#t2119~0.offset=|v_ULTIMATE.start_main_~#t2119~0.offset_8|, ULTIMATE.start_main_~#t2119~0.base=|v_ULTIMATE.start_main_~#t2119~0.base_9|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_4|, #valid=|v_#valid_33|, #memory_int=|v_#memory_int_13|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2119~0.offset, ULTIMATE.start_main_~#t2119~0.base, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {5553#true} is VALID [2020-07-28 21:35:01,147 INFO L280 TraceCheckUtils]: 3: Hoare triple {5553#true} [167] L770-->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] {5553#true} is VALID [2020-07-28 21:35:01,147 INFO L280 TraceCheckUtils]: 4: Hoare triple {5553#true} [196] L770-1-->L772: Formula: (and (= 0 |v_ULTIMATE.start_main_~#t2120~0.offset_8|) (= (store |v_#valid_28| |v_ULTIMATE.start_main_~#t2120~0.base_8| 1) |v_#valid_27|) (= (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2120~0.base_8| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2120~0.base_8|) |v_ULTIMATE.start_main_~#t2120~0.offset_8| 2)) |v_#memory_int_11|) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t2120~0.base_8|) (not (= 0 |v_ULTIMATE.start_main_~#t2120~0.base_8|)) (= 0 (select |v_#valid_28| |v_ULTIMATE.start_main_~#t2120~0.base_8|)) (= (store |v_#length_14| |v_ULTIMATE.start_main_~#t2120~0.base_8| 4) |v_#length_13|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_28|, #memory_int=|v_#memory_int_12|, #length=|v_#length_14|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_9|, ULTIMATE.start_main_~#t2120~0.offset=|v_ULTIMATE.start_main_~#t2120~0.offset_8|, #valid=|v_#valid_27|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_3|, #memory_int=|v_#memory_int_11|, #length=|v_#length_13|, ULTIMATE.start_main_~#t2120~0.base=|v_ULTIMATE.start_main_~#t2120~0.base_8|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2120~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t2120~0.base] {5553#true} is VALID [2020-07-28 21:35:01,148 INFO L280 TraceCheckUtils]: 5: Hoare triple {5553#true} [169] L772-->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] {5553#true} is VALID [2020-07-28 21:35:01,148 INFO L280 TraceCheckUtils]: 6: Hoare triple {5553#true} [194] P2ENTRY-->L745: Formula: (and (= v_~x~0_23 v_~__unbuffered_p2_EAX~0_18) (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4)) InVars {P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~x~0=v_~x~0_23} 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_18, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~x~0=v_~x~0_23} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {5553#true} is VALID [2020-07-28 21:35:01,148 INFO L280 TraceCheckUtils]: 7: Hoare triple {5553#true} [160] L745-->L748: Formula: (= v_~y~0_2 1) InVars {} OutVars{~y~0=v_~y~0_2} AuxVars[] AssignedVars[~y~0] {5553#true} is VALID [2020-07-28 21:35:01,148 INFO L280 TraceCheckUtils]: 8: Hoare triple {5553#true} [177] P0ENTRY-->L715: Formula: (and (= v_~y~0_7 v_~__unbuffered_p0_EAX~0_12) (= 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|, ~y~0=v_~y~0_7} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_12, P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~y~0=v_~y~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] {5553#true} is VALID [2020-07-28 21:35:01,161 INFO L280 TraceCheckUtils]: 9: Hoare triple {5553#true} [195] P1ENTRY-->L730: Formula: (and (= 1 v_~x~0_24) (= |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|} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_4, 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_24} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_~arg.base, ~x~0] {5555#(= 1 ~x~0)} is VALID [2020-07-28 21:35:01,162 INFO L280 TraceCheckUtils]: 10: Hoare triple {5555#(= 1 ~x~0)} [211] L748-->P2EXIT: Formula: (and (= v_~__unbuffered_cnt~0_102 (+ v_~__unbuffered_cnt~0_103 1)) (= |v_P2Thread1of1ForFork2_#res.offset_5| 0) (= 0 |v_P2Thread1of1ForFork2_#res.base_5|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_103} OutVars{P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_102, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_5|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#res.base, ~__unbuffered_cnt~0, P2Thread1of1ForFork2_#res.offset] {5555#(= 1 ~x~0)} is VALID [2020-07-28 21:35:01,163 INFO L280 TraceCheckUtils]: 11: Hoare triple {5555#(= 1 ~x~0)} [148] L715-->L718: Formula: (= v_~__unbuffered_p0_EBX~0_1 v_~x~0_1) InVars {~x~0=v_~x~0_1} OutVars{~x~0=v_~x~0_1, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_1} AuxVars[] AssignedVars[~__unbuffered_p0_EBX~0] {5556#(= 1 ~__unbuffered_p0_EBX~0)} is VALID [2020-07-28 21:35:01,164 INFO L280 TraceCheckUtils]: 12: Hoare triple {5556#(= 1 ~__unbuffered_p0_EBX~0)} [199] L718-->P0EXIT: Formula: (and (= v_~__unbuffered_cnt~0_85 (+ v_~__unbuffered_cnt~0_86 1)) (= 0 |v_P0Thread1of1ForFork0_#res.offset_17|) (= 0 |v_P0Thread1of1ForFork0_#res.base_17|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_86} OutVars{P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_17|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_17|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_85} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_#res.base, ~__unbuffered_cnt~0] {5556#(= 1 ~__unbuffered_p0_EBX~0)} is VALID [2020-07-28 21:35:01,165 INFO L280 TraceCheckUtils]: 13: Hoare triple {5556#(= 1 ~__unbuffered_p0_EBX~0)} [154] L730-->L733: Formula: (= v_~x~0_3 2) InVars {} OutVars{~x~0=v_~x~0_3} AuxVars[] AssignedVars[~x~0] {5556#(= 1 ~__unbuffered_p0_EBX~0)} is VALID [2020-07-28 21:35:01,166 INFO L280 TraceCheckUtils]: 14: Hoare triple {5556#(= 1 ~__unbuffered_p0_EBX~0)} [208] L733-->P1EXIT: Formula: (and (= v_~__unbuffered_cnt~0_96 (+ v_~__unbuffered_cnt~0_97 1)) (= 0 |v_P1Thread1of1ForFork1_#res.base_5|) (= 0 |v_P1Thread1of1ForFork1_#res.offset_5|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_97} OutVars{P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_96, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_5|} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#res.offset, ~__unbuffered_cnt~0, P1Thread1of1ForFork1_#res.base] {5556#(= 1 ~__unbuffered_p0_EBX~0)} is VALID [2020-07-28 21:35:01,166 INFO L280 TraceCheckUtils]: 15: Hoare triple {5556#(= 1 ~__unbuffered_p0_EBX~0)} [207] L772-1-->L2: Formula: (and (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond_8| (mod v_~main$tmp_guard0~0_22 256)) (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_91))) (or (and (= 1 v_~main$tmp_guard0~0_22) .cse0) (and (not .cse0) (= 0 v_~main$tmp_guard0~0_22))))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_91} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_8|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_10, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_13|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_91, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_22} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {5556#(= 1 ~__unbuffered_p0_EBX~0)} is VALID [2020-07-28 21:35:01,170 INFO L280 TraceCheckUtils]: 16: Hoare triple {5556#(= 1 ~__unbuffered_p0_EBX~0)} [225] L2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_26)) (= 2 v_~__unbuffered_p2_EAX~0_43) (= 2 v_~x~0_58) (= v_ULTIMATE.start___VERIFIER_assert_~expression_17 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_11|) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_11| (mod v_~main$tmp_guard1~0_40 256)) (= v_~__unbuffered_p0_EBX~0_46 0) (= 1 v_~__unbuffered_p0_EAX~0_52) (= 0 v_~main$tmp_guard1~0_40) (= v_ULTIMATE.start_assume_abort_if_not_~cond_26 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_24|)) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_24|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_52, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_46, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_43, ~x~0=v_~x~0_58} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_24|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_52, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_17, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_46, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_26, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_40, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_43, ~x~0=v_~x~0_58, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_11|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {5554#false} is VALID [2020-07-28 21:35:01,170 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 21:35:01,171 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487345985] [2020-07-28 21:35:01,171 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:35:01,171 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 21:35:01,171 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426515270] [2020-07-28 21:35:01,171 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-07-28 21:35:01,172 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:35:01,172 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 21:35:01,190 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:35:01,191 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 21:35:01,191 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:35:01,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 21:35:01,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 21:35:01,191 INFO L87 Difference]: Start difference. First operand 35 states and 56 transitions. Second operand 4 states. [2020-07-28 21:35:01,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:35:01,250 INFO L93 Difference]: Finished difference Result 48 states and 77 transitions. [2020-07-28 21:35:01,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 21:35:01,250 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-07-28 21:35:01,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:35:01,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:35:01,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 30 transitions. [2020-07-28 21:35:01,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:35:01,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 30 transitions. [2020-07-28 21:35:01,252 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 30 transitions. [2020-07-28 21:35:01,284 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:35:01,285 INFO L225 Difference]: With dead ends: 48 [2020-07-28 21:35:01,285 INFO L226 Difference]: Without dead ends: 30 [2020-07-28 21:35:01,285 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 21:35:01,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-07-28 21:35:01,286 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,286 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,287 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,287 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,287 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,287 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,287 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,288 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,288 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,288 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,288 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,288 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,288 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,289 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,289 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,289 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,289 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,289 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,290 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,290 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,290 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,290 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,290 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,291 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,291 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,291 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,291 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,291 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,292 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,292 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:35:01,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-07-28 21:35:01,292 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:35:01,292 INFO L82 GeneralOperation]: Start isEquivalent. First operand 30 states. Second operand 30 states. [2020-07-28 21:35:01,292 INFO L74 IsIncluded]: Start isIncluded. First operand 30 states. Second operand 30 states. [2020-07-28 21:35:01,293 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 30 states. [2020-07-28 21:35:01,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:35:01,293 INFO L93 Difference]: Finished difference Result 30 states and 44 transitions. [2020-07-28 21:35:01,294 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2020-07-28 21:35:01,294 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:35:01,294 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:35:01,294 INFO L74 IsIncluded]: Start isIncluded. First operand 30 states. Second operand 30 states. [2020-07-28 21:35:01,294 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 30 states. [2020-07-28 21:35:01,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:35:01,295 INFO L93 Difference]: Finished difference Result 30 states and 44 transitions. [2020-07-28 21:35:01,295 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2020-07-28 21:35:01,295 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:35:01,296 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:35:01,296 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:35:01,296 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:35:01,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-07-28 21:35:01,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 44 transitions. [2020-07-28 21:35:01,297 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 44 transitions. Word has length 17 [2020-07-28 21:35:01,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:35:01,297 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 44 transitions. [2020-07-28 21:35:01,297 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 21:35:01,298 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2020-07-28 21:35:01,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-28 21:35:01,298 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:35:01,298 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:35:01,298 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-28 21:35:01,298 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:35:01,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:35:01,299 INFO L82 PathProgramCache]: Analyzing trace with hash -550831814, now seen corresponding path program 3 times [2020-07-28 21:35:01,299 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:35:01,305 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727419436] [2020-07-28 21:35:01,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:35:01,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:35:01,354 INFO L280 TraceCheckUtils]: 0: Hoare triple {5729#true} [226] ULTIMATE.startENTRY-->L768: Formula: (let ((.cse0 (store |v_#valid_58| 0 0))) (and (= 0 v_~main$tmp_guard0~0_35) (= v_~__unbuffered_cnt~0_131 0) (= 0 v_~main$tmp_guard1~0_41) (= 0 v_~__unbuffered_p0_EAX~0_53) (= |v_#length_19| (store |v_#length_20| |v_ULTIMATE.start_main_~#t2118~0.base_24| 4)) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t2118~0.base_24|)) (= 0 |v_#NULL.base_6|) (= (store |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2118~0.base_24| (store (select |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2118~0.base_24|) |v_ULTIMATE.start_main_~#t2118~0.offset_17| 0)) |v_#memory_int_17|) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2118~0.base_24|) (= (store .cse0 |v_ULTIMATE.start_main_~#t2118~0.base_24| 1) |v_#valid_56|) (= 0 v_~y~0_30) (= 0 |v_ULTIMATE.start_main_~#t2118~0.offset_17|) (= 0 v_~x~0_59) (= 0 |v_#NULL.offset_6|) (= 0 v_~__unbuffered_p2_EAX~0_44) (< 0 |v_#StackHeapBarrier_15|) (= v_~__unbuffered_p0_EBX~0_47 0))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_58|, #memory_int=|v_#memory_int_18|, #length=|v_#length_20|} OutVars{~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_47, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_25|, ULTIMATE.start_main_~#t2119~0.offset=|v_ULTIMATE.start_main_~#t2119~0.offset_16|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_6|, #NULL.offset=|v_#NULL.offset_6|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_41, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_35, #NULL.base=|v_#NULL.base_6|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_53, ULTIMATE.start_main_~#t2119~0.base=|v_ULTIMATE.start_main_~#t2119~0.base_22|, ULTIMATE.start_main_~#t2120~0.offset=|v_ULTIMATE.start_main_~#t2120~0.offset_14|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_16|, ULTIMATE.start_main_~#t2118~0.offset=|v_ULTIMATE.start_main_~#t2118~0.offset_17|, #valid=|v_#valid_56|, #memory_int=|v_#memory_int_17|, #length=|v_#length_19|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_44, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_131, ULTIMATE.start_main_~#t2118~0.base=|v_ULTIMATE.start_main_~#t2118~0.base_24|, ULTIMATE.start_main_~#t2120~0.base=|v_ULTIMATE.start_main_~#t2120~0.base_19|, ~y~0=v_~y~0_30, ~x~0=v_~x~0_59} AuxVars[] AssignedVars[~__unbuffered_p0_EBX~0, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t2119~0.offset, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t2119~0.base, ULTIMATE.start_main_~#t2120~0.offset, ULTIMATE.start_main_#res, ULTIMATE.start_main_~#t2118~0.offset, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ULTIMATE.start_main_~#t2118~0.base, ULTIMATE.start_main_~#t2120~0.base, ~y~0, ~x~0] {5731#(<= ~x~0 0)} is VALID [2020-07-28 21:35:01,355 INFO L280 TraceCheckUtils]: 1: Hoare triple {5731#(<= ~x~0 0)} [165] L768-->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] {5731#(<= ~x~0 0)} is VALID [2020-07-28 21:35:01,356 INFO L280 TraceCheckUtils]: 2: Hoare triple {5731#(<= ~x~0 0)} [202] L768-1-->L770: Formula: (and (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t2119~0.base_9|) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t2119~0.base_9| 4)) (= |v_#valid_33| (store |v_#valid_34| |v_ULTIMATE.start_main_~#t2119~0.base_9| 1)) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2119~0.base_9| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2119~0.base_9|) |v_ULTIMATE.start_main_~#t2119~0.offset_8| 1)) |v_#memory_int_13|) (not (= 0 |v_ULTIMATE.start_main_~#t2119~0.base_9|)) (= 0 |v_ULTIMATE.start_main_~#t2119~0.offset_8|) (= 0 (select |v_#valid_34| |v_ULTIMATE.start_main_~#t2119~0.base_9|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_14|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_~#t2119~0.offset=|v_ULTIMATE.start_main_~#t2119~0.offset_8|, ULTIMATE.start_main_~#t2119~0.base=|v_ULTIMATE.start_main_~#t2119~0.base_9|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_4|, #valid=|v_#valid_33|, #memory_int=|v_#memory_int_13|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2119~0.offset, ULTIMATE.start_main_~#t2119~0.base, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {5731#(<= ~x~0 0)} is VALID [2020-07-28 21:35:01,357 INFO L280 TraceCheckUtils]: 3: Hoare triple {5731#(<= ~x~0 0)} [167] L770-->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] {5731#(<= ~x~0 0)} is VALID [2020-07-28 21:35:01,357 INFO L280 TraceCheckUtils]: 4: Hoare triple {5731#(<= ~x~0 0)} [196] L770-1-->L772: Formula: (and (= 0 |v_ULTIMATE.start_main_~#t2120~0.offset_8|) (= (store |v_#valid_28| |v_ULTIMATE.start_main_~#t2120~0.base_8| 1) |v_#valid_27|) (= (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2120~0.base_8| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2120~0.base_8|) |v_ULTIMATE.start_main_~#t2120~0.offset_8| 2)) |v_#memory_int_11|) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t2120~0.base_8|) (not (= 0 |v_ULTIMATE.start_main_~#t2120~0.base_8|)) (= 0 (select |v_#valid_28| |v_ULTIMATE.start_main_~#t2120~0.base_8|)) (= (store |v_#length_14| |v_ULTIMATE.start_main_~#t2120~0.base_8| 4) |v_#length_13|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_28|, #memory_int=|v_#memory_int_12|, #length=|v_#length_14|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_9|, ULTIMATE.start_main_~#t2120~0.offset=|v_ULTIMATE.start_main_~#t2120~0.offset_8|, #valid=|v_#valid_27|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_3|, #memory_int=|v_#memory_int_11|, #length=|v_#length_13|, ULTIMATE.start_main_~#t2120~0.base=|v_ULTIMATE.start_main_~#t2120~0.base_8|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2120~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t2120~0.base] {5731#(<= ~x~0 0)} is VALID [2020-07-28 21:35:01,358 INFO L280 TraceCheckUtils]: 5: Hoare triple {5731#(<= ~x~0 0)} [169] L772-->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] {5731#(<= ~x~0 0)} is VALID [2020-07-28 21:35:01,359 INFO L280 TraceCheckUtils]: 6: Hoare triple {5731#(<= ~x~0 0)} [194] P2ENTRY-->L745: Formula: (and (= v_~x~0_23 v_~__unbuffered_p2_EAX~0_18) (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4)) InVars {P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~x~0=v_~x~0_23} 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_18, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~x~0=v_~x~0_23} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {5732#(<= ~__unbuffered_p2_EAX~0 0)} is VALID [2020-07-28 21:35:01,359 INFO L280 TraceCheckUtils]: 7: Hoare triple {5732#(<= ~__unbuffered_p2_EAX~0 0)} [160] L745-->L748: Formula: (= v_~y~0_2 1) InVars {} OutVars{~y~0=v_~y~0_2} AuxVars[] AssignedVars[~y~0] {5732#(<= ~__unbuffered_p2_EAX~0 0)} is VALID [2020-07-28 21:35:01,360 INFO L280 TraceCheckUtils]: 8: Hoare triple {5732#(<= ~__unbuffered_p2_EAX~0 0)} [177] P0ENTRY-->L715: Formula: (and (= v_~y~0_7 v_~__unbuffered_p0_EAX~0_12) (= 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|, ~y~0=v_~y~0_7} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_12, P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~y~0=v_~y~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] {5732#(<= ~__unbuffered_p2_EAX~0 0)} is VALID [2020-07-28 21:35:01,361 INFO L280 TraceCheckUtils]: 9: Hoare triple {5732#(<= ~__unbuffered_p2_EAX~0 0)} [211] L748-->P2EXIT: Formula: (and (= v_~__unbuffered_cnt~0_102 (+ v_~__unbuffered_cnt~0_103 1)) (= |v_P2Thread1of1ForFork2_#res.offset_5| 0) (= 0 |v_P2Thread1of1ForFork2_#res.base_5|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_103} OutVars{P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_102, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_5|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#res.base, ~__unbuffered_cnt~0, P2Thread1of1ForFork2_#res.offset] {5732#(<= ~__unbuffered_p2_EAX~0 0)} is VALID [2020-07-28 21:35:01,361 INFO L280 TraceCheckUtils]: 10: Hoare triple {5732#(<= ~__unbuffered_p2_EAX~0 0)} [148] L715-->L718: Formula: (= v_~__unbuffered_p0_EBX~0_1 v_~x~0_1) InVars {~x~0=v_~x~0_1} OutVars{~x~0=v_~x~0_1, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_1} AuxVars[] AssignedVars[~__unbuffered_p0_EBX~0] {5732#(<= ~__unbuffered_p2_EAX~0 0)} is VALID [2020-07-28 21:35:01,362 INFO L280 TraceCheckUtils]: 11: Hoare triple {5732#(<= ~__unbuffered_p2_EAX~0 0)} [195] P1ENTRY-->L730: Formula: (and (= 1 v_~x~0_24) (= |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|} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_4, 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_24} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_~arg.base, ~x~0] {5732#(<= ~__unbuffered_p2_EAX~0 0)} is VALID [2020-07-28 21:35:01,363 INFO L280 TraceCheckUtils]: 12: Hoare triple {5732#(<= ~__unbuffered_p2_EAX~0 0)} [199] L718-->P0EXIT: Formula: (and (= v_~__unbuffered_cnt~0_85 (+ v_~__unbuffered_cnt~0_86 1)) (= 0 |v_P0Thread1of1ForFork0_#res.offset_17|) (= 0 |v_P0Thread1of1ForFork0_#res.base_17|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_86} OutVars{P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_17|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_17|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_85} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_#res.base, ~__unbuffered_cnt~0] {5732#(<= ~__unbuffered_p2_EAX~0 0)} is VALID [2020-07-28 21:35:01,364 INFO L280 TraceCheckUtils]: 13: Hoare triple {5732#(<= ~__unbuffered_p2_EAX~0 0)} [154] L730-->L733: Formula: (= v_~x~0_3 2) InVars {} OutVars{~x~0=v_~x~0_3} AuxVars[] AssignedVars[~x~0] {5732#(<= ~__unbuffered_p2_EAX~0 0)} is VALID [2020-07-28 21:35:01,364 INFO L280 TraceCheckUtils]: 14: Hoare triple {5732#(<= ~__unbuffered_p2_EAX~0 0)} [208] L733-->P1EXIT: Formula: (and (= v_~__unbuffered_cnt~0_96 (+ v_~__unbuffered_cnt~0_97 1)) (= 0 |v_P1Thread1of1ForFork1_#res.base_5|) (= 0 |v_P1Thread1of1ForFork1_#res.offset_5|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_97} OutVars{P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_96, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_5|} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#res.offset, ~__unbuffered_cnt~0, P1Thread1of1ForFork1_#res.base] {5732#(<= ~__unbuffered_p2_EAX~0 0)} is VALID [2020-07-28 21:35:01,365 INFO L280 TraceCheckUtils]: 15: Hoare triple {5732#(<= ~__unbuffered_p2_EAX~0 0)} [207] L772-1-->L2: Formula: (and (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond_8| (mod v_~main$tmp_guard0~0_22 256)) (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_91))) (or (and (= 1 v_~main$tmp_guard0~0_22) .cse0) (and (not .cse0) (= 0 v_~main$tmp_guard0~0_22))))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_91} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_8|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_10, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_13|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_91, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_22} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {5732#(<= ~__unbuffered_p2_EAX~0 0)} is VALID [2020-07-28 21:35:01,366 INFO L280 TraceCheckUtils]: 16: Hoare triple {5732#(<= ~__unbuffered_p2_EAX~0 0)} [225] L2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_26)) (= 2 v_~__unbuffered_p2_EAX~0_43) (= 2 v_~x~0_58) (= v_ULTIMATE.start___VERIFIER_assert_~expression_17 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_11|) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_11| (mod v_~main$tmp_guard1~0_40 256)) (= v_~__unbuffered_p0_EBX~0_46 0) (= 1 v_~__unbuffered_p0_EAX~0_52) (= 0 v_~main$tmp_guard1~0_40) (= v_ULTIMATE.start_assume_abort_if_not_~cond_26 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_24|)) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_24|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_52, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_46, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_43, ~x~0=v_~x~0_58} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_24|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_52, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_17, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_46, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_26, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_40, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_43, ~x~0=v_~x~0_58, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_11|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {5730#false} is VALID [2020-07-28 21:35:01,367 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 21:35:01,367 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727419436] [2020-07-28 21:35:01,368 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:35:01,368 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 21:35:01,368 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737407442] [2020-07-28 21:35:01,368 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-07-28 21:35:01,369 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:35:01,369 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 21:35:01,390 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:35:01,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 21:35:01,390 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:35:01,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 21:35:01,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 21:35:01,391 INFO L87 Difference]: Start difference. First operand 30 states and 44 transitions. Second operand 4 states. [2020-07-28 21:35:01,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:35:01,433 INFO L93 Difference]: Finished difference Result 29 states and 43 transitions. [2020-07-28 21:35:01,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-28 21:35:01,434 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-07-28 21:35:01,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:35:01,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:35:01,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2020-07-28 21:35:01,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:35:01,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2020-07-28 21:35:01,435 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 19 transitions. [2020-07-28 21:35:01,460 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:35:01,460 INFO L225 Difference]: With dead ends: 29 [2020-07-28 21:35:01,460 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 21:35:01,461 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 21:35:01,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 21:35:01,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 21:35:01,461 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:35:01,462 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 21:35:01,462 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 21:35:01,462 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 21:35:01,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:35:01,462 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 21:35:01,462 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 21:35:01,463 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:35:01,463 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:35:01,463 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 21:35:01,463 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 21:35:01,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:35:01,463 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 21:35:01,463 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 21:35:01,464 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:35:01,464 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:35:01,464 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:35:01,464 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:35:01,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 21:35:01,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 21:35:01,465 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2020-07-28 21:35:01,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:35:01,465 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 21:35:01,465 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 21:35:01,465 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 21:35:01,465 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:35:01,466 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-28 21:35:01,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 09:35:01 BasicIcfg [2020-07-28 21:35:01,470 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 21:35:01,471 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 21:35:01,471 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 21:35:01,471 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 21:35:01,472 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 09:34:55" (3/4) ... [2020-07-28 21:35:01,475 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 21:35:01,483 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2020-07-28 21:35:01,483 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2020-07-28 21:35:01,483 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2020-07-28 21:35:01,490 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-07-28 21:35:01,491 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-07-28 21:35:01,491 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 21:35:01,558 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 21:35:01,559 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 21:35:01,562 INFO L168 Benchmark]: Toolchain (without parser) took 7598.11 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 322.4 MB). Free memory was 957.6 MB in the beginning and 1.0 GB in the end (delta: -83.8 MB). Peak memory consumption was 238.6 MB. Max. memory is 11.5 GB. [2020-07-28 21:35:01,562 INFO L168 Benchmark]: CDTParser took 0.27 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 21:35:01,563 INFO L168 Benchmark]: CACSL2BoogieTranslator took 747.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -141.6 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. [2020-07-28 21:35:01,563 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.97 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 21:35:01,563 INFO L168 Benchmark]: Boogie Preprocessor took 28.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-28 21:35:01,564 INFO L168 Benchmark]: RCFGBuilder took 533.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.0 MB). Peak memory consumption was 31.0 MB. Max. memory is 11.5 GB. [2020-07-28 21:35:01,564 INFO L168 Benchmark]: TraceAbstraction took 6140.53 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 191.4 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 20.2 MB). Peak memory consumption was 211.6 MB. Max. memory is 11.5 GB. [2020-07-28 21:35:01,564 INFO L168 Benchmark]: Witness Printer took 87.93 ms. Allocated memory is still 1.4 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 21:35:01,566 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 0.27 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 747.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -141.6 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.97 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 533.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.0 MB). Peak memory consumption was 31.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6140.53 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 191.4 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 20.2 MB). Peak memory consumption was 211.6 MB. Max. memory is 11.5 GB. * Witness Printer took 87.93 ms. Allocated memory is still 1.4 GB. Free memory is still 1.0 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: 2.5s, 78 ProgramPointsBefore, 31 ProgramPointsAfterwards, 70 TransitionsBefore, 22 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 7 FixpointIterations, 14 TrivialSequentialCompositions, 37 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 1 ChoiceCompositions, 670 VarBasedMoverChecksPositive, 34 VarBasedMoverChecksNegative, 10 SemBasedMoverChecksPositive, 36 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.6s, 0 MoverChecksTotal, 2700 CheckedPairsTotal, 59 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, 69 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.0s, OverallIterations: 11, TraceHistogramMax: 1, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.5s, HoareTripleCheckerStatistics: 214 SDtfs, 159 SDslu, 247 SDs, 0 SdLazy, 138 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=298occurred 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: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 146 NumberOfCodeBlocks, 146 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 135 ConstructedInterpolants, 0 QuantifiedInterpolants, 4725 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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...