./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe017_tso.oepc.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/safe017_tso.oepc.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c3e35b8c166040ad3401becaceeb96b0c10cb6c2 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 21:36:23,900 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 21:36:23,903 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 21:36:23,915 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 21:36:23,916 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 21:36:23,917 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 21:36:23,919 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 21:36:23,921 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 21:36:23,923 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 21:36:23,924 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 21:36:23,925 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 21:36:23,926 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 21:36:23,927 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 21:36:23,928 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 21:36:23,929 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 21:36:23,930 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 21:36:23,931 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 21:36:23,932 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 21:36:23,934 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 21:36:23,936 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 21:36:23,938 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 21:36:23,939 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 21:36:23,940 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 21:36:23,941 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 21:36:23,944 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 21:36:23,944 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 21:36:23,945 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 21:36:23,946 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 21:36:23,946 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 21:36:23,947 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 21:36:23,948 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 21:36:23,949 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 21:36:23,950 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 21:36:23,951 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 21:36:23,952 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 21:36:23,952 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 21:36:23,953 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 21:36:23,953 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 21:36:23,954 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 21:36:23,955 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 21:36:23,956 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 21:36:23,956 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 21:36:23,972 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 21:36:23,972 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 21:36:23,974 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 21:36:23,974 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 21:36:23,974 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 21:36:23,975 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 21:36:23,975 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 21:36:23,975 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 21:36:23,975 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 21:36:23,976 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 21:36:23,976 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 21:36:23,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 21:36:23,976 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 21:36:23,977 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 21:36:23,977 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 21:36:23,977 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 21:36:23,978 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 21:36:23,978 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 21:36:23,978 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 21:36:23,978 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 21:36:23,979 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 21:36:23,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 21:36:23,979 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 21:36:23,980 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 21:36:23,980 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 21:36:23,980 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 21:36:23,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 21:36:23,981 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 21:36:23,981 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 21:36:23,981 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 -> c3e35b8c166040ad3401becaceeb96b0c10cb6c2 [2020-07-28 21:36:24,284 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 21:36:24,298 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 21:36:24,301 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 21:36:24,303 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 21:36:24,303 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 21:36:24,304 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe017_tso.oepc.i [2020-07-28 21:36:24,364 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/feddddeb1/e9c07bbac9a648c0a916db27cfad5d7d/FLAGb2608d5fc [2020-07-28 21:36:24,871 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 21:36:24,873 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe017_tso.oepc.i [2020-07-28 21:36:24,897 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/feddddeb1/e9c07bbac9a648c0a916db27cfad5d7d/FLAGb2608d5fc [2020-07-28 21:36:25,130 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/feddddeb1/e9c07bbac9a648c0a916db27cfad5d7d [2020-07-28 21:36:25,133 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 21:36:25,135 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 21:36:25,136 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 21:36:25,136 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 21:36:25,140 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 21:36:25,142 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 09:36:25" (1/1) ... [2020-07-28 21:36:25,145 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79dab77f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:36:25, skipping insertion in model container [2020-07-28 21:36:25,145 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 09:36:25" (1/1) ... [2020-07-28 21:36:25,153 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 21:36:25,203 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 21:36:25,710 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 21:36:25,722 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 21:36:25,772 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 21:36:25,852 INFO L208 MainTranslator]: Completed translation [2020-07-28 21:36:25,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:36:25 WrapperNode [2020-07-28 21:36:25,853 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 21:36:25,854 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 21:36:25,854 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 21:36:25,854 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 21:36:25,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:36:25" (1/1) ... [2020-07-28 21:36:25,881 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:36:25" (1/1) ... [2020-07-28 21:36:25,915 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 21:36:25,915 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 21:36:25,916 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 21:36:25,916 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 21:36:25,926 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:36:25" (1/1) ... [2020-07-28 21:36:25,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:36:25" (1/1) ... [2020-07-28 21:36:25,929 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:36:25" (1/1) ... [2020-07-28 21:36:25,930 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:36:25" (1/1) ... [2020-07-28 21:36:25,939 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:36:25" (1/1) ... [2020-07-28 21:36:25,941 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:36:25" (1/1) ... [2020-07-28 21:36:25,944 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:36:25" (1/1) ... [2020-07-28 21:36:25,947 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 21:36:25,948 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 21:36:25,949 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 21:36:25,949 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 21:36:25,950 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:36:25" (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 21:36:26,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-28 21:36:26,026 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-07-28 21:36:26,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 21:36:26,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 21:36:26,027 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-07-28 21:36:26,027 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-07-28 21:36:26,027 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-07-28 21:36:26,027 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-07-28 21:36:26,027 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-07-28 21:36:26,028 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-07-28 21:36:26,028 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-07-28 21:36:26,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 21:36:26,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 21:36:26,030 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 21:36:26,479 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 21:36:26,480 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-07-28 21:36:26,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 09:36:26 BoogieIcfgContainer [2020-07-28 21:36:26,485 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 21:36:26,487 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 21:36:26,487 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 21:36:26,490 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 21:36:26,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 09:36:25" (1/3) ... [2020-07-28 21:36:26,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69034463 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 09:36:26, skipping insertion in model container [2020-07-28 21:36:26,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:36:25" (2/3) ... [2020-07-28 21:36:26,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69034463 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 09:36:26, skipping insertion in model container [2020-07-28 21:36:26,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 09:36:26" (3/3) ... [2020-07-28 21:36:26,495 INFO L109 eAbstractionObserver]: Analyzing ICFG safe017_tso.oepc.i [2020-07-28 21:36:26,504 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-07-28 21:36:26,505 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 21:36:26,512 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 21:36:26,513 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-07-28 21:36:26,546 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:36:26,547 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:36:26,547 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:36:26,547 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:36:26,548 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:36:26,549 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:36:26,549 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:36:26,549 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:36:26,550 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:36:26,550 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:36:26,551 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:36:26,551 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:36:26,551 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:36:26,552 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:36:26,552 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:36:26,552 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:36:26,553 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:36:26,553 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:36:26,557 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:36:26,558 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:36:26,558 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:36:26,559 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:36:26,567 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:36:26,568 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:36:26,568 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:36:26,568 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:36:26,571 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:36:26,571 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:36:26,571 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:36:26,571 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:36:26,591 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-07-28 21:36:26,614 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 21:36:26,615 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 21:36:26,615 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 21:36:26,615 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 21:36:26,615 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 21:36:26,616 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 21:36:26,616 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 21:36:26,616 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 21:36:26,632 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 67 transitions, 149 flow [2020-07-28 21:36:26,635 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 75 places, 67 transitions, 149 flow [2020-07-28 21:36:26,679 INFO L129 PetriNetUnfolder]: 2/64 cut-off events. [2020-07-28 21:36:26,680 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-07-28 21:36:26,685 INFO L80 FinitePrefix]: Finished finitePrefix Result has 74 conditions, 64 events. 2/64 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. 0/61 useless extension candidates. Maximal degree in co-relation 54. Up to 2 conditions per place. [2020-07-28 21:36:26,688 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 75 places, 67 transitions, 149 flow [2020-07-28 21:36:26,710 INFO L129 PetriNetUnfolder]: 2/64 cut-off events. [2020-07-28 21:36:26,711 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-07-28 21:36:26,711 INFO L80 FinitePrefix]: Finished finitePrefix Result has 74 conditions, 64 events. 2/64 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. 0/61 useless extension candidates. Maximal degree in co-relation 54. Up to 2 conditions per place. [2020-07-28 21:36:26,714 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1178 [2020-07-28 21:36:26,715 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-07-28 21:36:28,574 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2020-07-28 21:36:29,126 INFO L206 etLargeBlockEncoding]: Checked pairs total: 1818 [2020-07-28 21:36:29,127 INFO L214 etLargeBlockEncoding]: Total number of compositions: 52 [2020-07-28 21:36:29,130 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 30 places, 20 transitions, 55 flow [2020-07-28 21:36:29,151 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 226 states. [2020-07-28 21:36:29,154 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states. [2020-07-28 21:36:29,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-07-28 21:36:29,161 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:36:29,162 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:36:29,163 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:36:29,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:36:29,169 INFO L82 PathProgramCache]: Analyzing trace with hash -540517404, now seen corresponding path program 1 times [2020-07-28 21:36:29,177 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:36:29,177 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074598879] [2020-07-28 21:36:29,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:36:29,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:36:29,391 INFO L280 TraceCheckUtils]: 0: Hoare triple {530#true} [213] ULTIMATE.startENTRY-->L761: Formula: (let ((.cse0 (store |v_#valid_48| 0 0))) (and (= 0 v_~__unbuffered_p2_EAX~0_24) (= 0 |v_#NULL.base_5|) (= |v_#valid_46| (store .cse0 |v_ULTIMATE.start_main_~#t2195~0.base_15| 1)) (= |v_#length_21| (store |v_#length_22| |v_ULTIMATE.start_main_~#t2195~0.base_15| 4)) (= 0 v_~main$tmp_guard1~0_24) (= v_~__unbuffered_cnt~0_140 0) (= 0 v_~main$tmp_guard0~0_32) (= 0 |v_#NULL.offset_5|) (= 0 v_~x~0_38) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t2195~0.base_15|)) (= (store |v_#memory_int_20| |v_ULTIMATE.start_main_~#t2195~0.base_15| (store (select |v_#memory_int_20| |v_ULTIMATE.start_main_~#t2195~0.base_15|) |v_ULTIMATE.start_main_~#t2195~0.offset_13| 0)) |v_#memory_int_19|) (= 0 v_~y~0_33) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2195~0.base_15|) (< 0 |v_#StackHeapBarrier_15|) (= 0 |v_ULTIMATE.start_main_~#t2195~0.offset_13|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_48|, #memory_int=|v_#memory_int_20|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_~#t2195~0.offset=|v_ULTIMATE.start_main_~#t2195~0.offset_13|, ULTIMATE.start_main_~#t2195~0.base=|v_ULTIMATE.start_main_~#t2195~0.base_15|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_24|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_~#t2197~0.offset=|v_ULTIMATE.start_main_~#t2197~0.offset_14|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, #NULL.offset=|v_#NULL.offset_5|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_24, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_32, #NULL.base=|v_#NULL.base_5|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ULTIMATE.start_main_~#t2196~0.base=|v_ULTIMATE.start_main_~#t2196~0.base_17|, ULTIMATE.start_main_~#t2196~0.offset=|v_ULTIMATE.start_main_~#t2196~0.offset_14|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_14|, #valid=|v_#valid_46|, #memory_int=|v_#memory_int_19|, #length=|v_#length_21|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_24, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_140, ULTIMATE.start_main_~#t2197~0.base=|v_ULTIMATE.start_main_~#t2197~0.base_16|, ~y~0=v_~y~0_33, ~x~0=v_~x~0_38} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2195~0.offset, ULTIMATE.start_main_~#t2195~0.base, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~#t2197~0.offset, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t2196~0.base, ULTIMATE.start_main_~#t2196~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ULTIMATE.start_main_~#t2197~0.base, ~y~0, ~x~0] {532#(= 0 ~x~0)} is VALID [2020-07-28 21:36:29,392 INFO L280 TraceCheckUtils]: 1: Hoare triple {532#(= 0 ~x~0)} [162] L761-->P0ENTRY: Formula: (and (= 0 |v_P0Thread1of1ForFork2_#in~arg.offset_3|) (= 0 v_P0Thread1of1ForFork2_thidvar0_2) (= 0 |v_P0Thread1of1ForFork2_#in~arg.base_3|)) InVars {} OutVars{P0Thread1of1ForFork2_#in~arg.offset=|v_P0Thread1of1ForFork2_#in~arg.offset_3|, P0Thread1of1ForFork2_~arg.offset=v_P0Thread1of1ForFork2_~arg.offset_3, P0Thread1of1ForFork2_#res.offset=|v_P0Thread1of1ForFork2_#res.offset_3|, P0Thread1of1ForFork2_#in~arg.base=|v_P0Thread1of1ForFork2_#in~arg.base_3|, P0Thread1of1ForFork2_#res.base=|v_P0Thread1of1ForFork2_#res.base_3|, P0Thread1of1ForFork2_thidvar0=v_P0Thread1of1ForFork2_thidvar0_2, P0Thread1of1ForFork2_~arg.base=v_P0Thread1of1ForFork2_~arg.base_3} AuxVars[] AssignedVars[P0Thread1of1ForFork2_#in~arg.offset, P0Thread1of1ForFork2_~arg.offset, P0Thread1of1ForFork2_#res.offset, P0Thread1of1ForFork2_#in~arg.base, P0Thread1of1ForFork2_#res.base, P0Thread1of1ForFork2_thidvar0, P0Thread1of1ForFork2_~arg.base] {532#(= 0 ~x~0)} is VALID [2020-07-28 21:36:29,393 INFO L280 TraceCheckUtils]: 2: Hoare triple {532#(= 0 ~x~0)} [203] L761-1-->L763: Formula: (and (= 0 |v_ULTIMATE.start_main_~#t2196~0.offset_11|) (< |v_#StackHeapBarrier_12| |v_ULTIMATE.start_main_~#t2196~0.base_13|) (= |v_#memory_int_15| (store |v_#memory_int_16| |v_ULTIMATE.start_main_~#t2196~0.base_13| (store (select |v_#memory_int_16| |v_ULTIMATE.start_main_~#t2196~0.base_13|) |v_ULTIMATE.start_main_~#t2196~0.offset_11| 1))) (= (select |v_#valid_37| |v_ULTIMATE.start_main_~#t2196~0.base_13|) 0) (not (= 0 |v_ULTIMATE.start_main_~#t2196~0.base_13|)) (= |v_#length_17| (store |v_#length_18| |v_ULTIMATE.start_main_~#t2196~0.base_13| 4)) (= |v_#valid_36| (store |v_#valid_37| |v_ULTIMATE.start_main_~#t2196~0.base_13| 1))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_12|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_16|, #length=|v_#length_18|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_12|, ULTIMATE.start_main_~#t2196~0.base=|v_ULTIMATE.start_main_~#t2196~0.base_13|, ULTIMATE.start_main_~#t2196~0.offset=|v_ULTIMATE.start_main_~#t2196~0.offset_11|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_15|, #length=|v_#length_17|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2196~0.base, ULTIMATE.start_main_~#t2196~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {532#(= 0 ~x~0)} is VALID [2020-07-28 21:36:29,394 INFO L280 TraceCheckUtils]: 3: Hoare triple {532#(= 0 ~x~0)} [158] L763-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork0_thidvar0_2) (= 0 |v_P1Thread1of1ForFork0_#in~arg.offset_3|) (= 0 |v_P1Thread1of1ForFork0_#in~arg.base_3|)) InVars {} OutVars{P1Thread1of1ForFork0_~arg.offset=v_P1Thread1of1ForFork0_~arg.offset_3, P1Thread1of1ForFork0_~arg.base=v_P1Thread1of1ForFork0_~arg.base_3, P1Thread1of1ForFork0_thidvar0=v_P1Thread1of1ForFork0_thidvar0_2, P1Thread1of1ForFork0_#in~arg.base=|v_P1Thread1of1ForFork0_#in~arg.base_3|, P1Thread1of1ForFork0_#in~arg.offset=|v_P1Thread1of1ForFork0_#in~arg.offset_3|, P1Thread1of1ForFork0_#res.offset=|v_P1Thread1of1ForFork0_#res.offset_3|, P1Thread1of1ForFork0_#res.base=|v_P1Thread1of1ForFork0_#res.base_3|} AuxVars[] AssignedVars[P1Thread1of1ForFork0_~arg.offset, P1Thread1of1ForFork0_~arg.base, P1Thread1of1ForFork0_thidvar0, P1Thread1of1ForFork0_#in~arg.base, P1Thread1of1ForFork0_#in~arg.offset, P1Thread1of1ForFork0_#res.offset, P1Thread1of1ForFork0_#res.base] {532#(= 0 ~x~0)} is VALID [2020-07-28 21:36:29,395 INFO L280 TraceCheckUtils]: 4: Hoare triple {532#(= 0 ~x~0)} [201] L763-1-->L765: Formula: (and (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2197~0.base_12| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2197~0.base_12|) |v_ULTIMATE.start_main_~#t2197~0.offset_11| 2)) |v_#memory_int_13|) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2197~0.base_12|) (= 0 |v_ULTIMATE.start_main_~#t2197~0.offset_11|) (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t2197~0.base_12| 4) |v_#length_15|) (= |v_#valid_34| (store |v_#valid_35| |v_ULTIMATE.start_main_~#t2197~0.base_12| 1)) (not (= 0 |v_ULTIMATE.start_main_~#t2197~0.base_12|)) (= 0 (select |v_#valid_35| |v_ULTIMATE.start_main_~#t2197~0.base_12|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_35|, #memory_int=|v_#memory_int_14|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t2197~0.offset=|v_ULTIMATE.start_main_~#t2197~0.offset_11|, #valid=|v_#valid_34|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_13|, #length=|v_#length_15|, ULTIMATE.start_main_~#t2197~0.base=|v_ULTIMATE.start_main_~#t2197~0.base_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2197~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t2197~0.base] {532#(= 0 ~x~0)} is VALID [2020-07-28 21:36:29,396 INFO L280 TraceCheckUtils]: 5: Hoare triple {532#(= 0 ~x~0)} [160] L765-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork1_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork1_thidvar0_2) (= 0 |v_P2Thread1of1ForFork1_#in~arg.base_3|)) InVars {} OutVars{P2Thread1of1ForFork1_#in~arg.offset=|v_P2Thread1of1ForFork1_#in~arg.offset_3|, P2Thread1of1ForFork1_~arg.offset=v_P2Thread1of1ForFork1_~arg.offset_3, P2Thread1of1ForFork1_~arg.base=v_P2Thread1of1ForFork1_~arg.base_3, P2Thread1of1ForFork1_#res.base=|v_P2Thread1of1ForFork1_#res.base_3|, P2Thread1of1ForFork1_#in~arg.base=|v_P2Thread1of1ForFork1_#in~arg.base_3|, P2Thread1of1ForFork1_#res.offset=|v_P2Thread1of1ForFork1_#res.offset_3|, P2Thread1of1ForFork1_thidvar0=v_P2Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P2Thread1of1ForFork1_#in~arg.offset, P2Thread1of1ForFork1_~arg.offset, P2Thread1of1ForFork1_~arg.base, P2Thread1of1ForFork1_#res.base, P2Thread1of1ForFork1_#in~arg.base, P2Thread1of1ForFork1_#res.offset, P2Thread1of1ForFork1_thidvar0] {532#(= 0 ~x~0)} is VALID [2020-07-28 21:36:29,396 INFO L280 TraceCheckUtils]: 6: Hoare triple {532#(= 0 ~x~0)} [202] L765-1-->L2: Formula: (and (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond_6| (mod v_~main$tmp_guard0~0_22 256)) (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_96))) (or (and (not .cse0) (= 0 v_~main$tmp_guard0~0_22)) (and (= 1 v_~main$tmp_guard0~0_22) .cse0)))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_96} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_6|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_13, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_14|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_96, ~main$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] {532#(= 0 ~x~0)} is VALID [2020-07-28 21:36:29,398 INFO L280 TraceCheckUtils]: 7: Hoare triple {532#(= 0 ~x~0)} [214] L2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 2 v_~y~0_38) (= 2 v_~__unbuffered_p2_EAX~0_31) (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_19) (= v_ULTIMATE.start_assume_abort_if_not_~cond_30 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (= v_ULTIMATE.start___VERIFIER_assert_~expression_19 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_17|) (= 0 v_~main$tmp_guard1~0_29) (= 2 v_~x~0_43) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_30))) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_31, ~y~0=v_~y~0_38, ~x~0=v_~x~0_43} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_19, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_30, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_29, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_31, ~y~0=v_~y~0_38, ~x~0=v_~x~0_43, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_17|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {531#false} is VALID [2020-07-28 21:36:29,400 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 21:36:29,401 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074598879] [2020-07-28 21:36:29,402 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:36:29,402 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-07-28 21:36:29,403 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476930766] [2020-07-28 21:36:29,410 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-07-28 21:36:29,413 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:36:29,417 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 21:36:29,444 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 21:36:29,444 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 21:36:29,444 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:36:29,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 21:36:29,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 21:36:29,459 INFO L87 Difference]: Start difference. First operand 226 states. Second operand 3 states. [2020-07-28 21:36:29,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:36:29,586 INFO L93 Difference]: Finished difference Result 218 states and 604 transitions. [2020-07-28 21:36:29,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 21:36:29,586 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-07-28 21:36:29,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:36:29,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 21:36:29,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 30 transitions. [2020-07-28 21:36:29,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 21:36:29,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 30 transitions. [2020-07-28 21:36:29,592 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 30 transitions. [2020-07-28 21:36:29,637 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 21:36:29,659 INFO L225 Difference]: With dead ends: 218 [2020-07-28 21:36:29,660 INFO L226 Difference]: Without dead ends: 170 [2020-07-28 21:36:29,661 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 21:36:29,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2020-07-28 21:36:29,705 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,707 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,707 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,708 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,708 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,708 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,709 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,709 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,709 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,710 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,710 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,710 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,711 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,711 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,711 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,712 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,712 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,712 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,713 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,713 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,713 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,713 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,714 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,714 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,714 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,715 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,715 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,715 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,716 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,716 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,716 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,717 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,717 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,717 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,718 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,718 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,718 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,719 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,719 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,719 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,720 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,720 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,720 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,721 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,721 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,721 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,721 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,722 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,722 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,722 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,723 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,723 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,723 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,724 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,724 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,724 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,725 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,725 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,725 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,726 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,726 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,726 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,727 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,727 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,727 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,727 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,728 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,728 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,728 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,729 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,729 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,729 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,730 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,730 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,730 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,730 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,731 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,731 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,731 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,732 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,732 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,732 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,733 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,733 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,733 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,734 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,734 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,734 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,735 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,735 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,735 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,736 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,736 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,736 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,736 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,737 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,737 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,737 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,738 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,738 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,738 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,739 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,739 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,739 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,740 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,740 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,740 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,741 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,741 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,741 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,742 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,742 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,742 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,742 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,743 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,743 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,743 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,744 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,744 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,744 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,745 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,745 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,745 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,746 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,746 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,746 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,747 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,747 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,747 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,748 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,748 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,748 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,749 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,749 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,749 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,750 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,750 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,750 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,751 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,751 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,751 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,752 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,752 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,752 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,753 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,753 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,753 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,754 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,754 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,754 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,755 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,755 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,755 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,756 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,756 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,756 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,757 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,757 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,757 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,758 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,758 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,758 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,759 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,759 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,759 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,760 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,760 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,760 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,761 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,761 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:29,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2020-07-28 21:36:29,763 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:36:29,763 INFO L82 GeneralOperation]: Start isEquivalent. First operand 170 states. Second operand 170 states. [2020-07-28 21:36:29,764 INFO L74 IsIncluded]: Start isIncluded. First operand 170 states. Second operand 170 states. [2020-07-28 21:36:29,764 INFO L87 Difference]: Start difference. First operand 170 states. Second operand 170 states. [2020-07-28 21:36:29,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:36:29,798 INFO L93 Difference]: Finished difference Result 170 states and 452 transitions. [2020-07-28 21:36:29,798 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 452 transitions. [2020-07-28 21:36:29,801 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:36:29,802 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:36:29,802 INFO L74 IsIncluded]: Start isIncluded. First operand 170 states. Second operand 170 states. [2020-07-28 21:36:29,802 INFO L87 Difference]: Start difference. First operand 170 states. Second operand 170 states. [2020-07-28 21:36:29,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:36:29,830 INFO L93 Difference]: Finished difference Result 170 states and 452 transitions. [2020-07-28 21:36:29,830 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 452 transitions. [2020-07-28 21:36:29,840 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:36:29,841 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:36:29,841 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:36:29,843 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:36:29,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-07-28 21:36:29,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 452 transitions. [2020-07-28 21:36:29,857 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 452 transitions. Word has length 8 [2020-07-28 21:36:29,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:36:29,857 INFO L479 AbstractCegarLoop]: Abstraction has 170 states and 452 transitions. [2020-07-28 21:36:29,858 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 21:36:29,858 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 452 transitions. [2020-07-28 21:36:29,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-07-28 21:36:29,859 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:36:29,859 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:36:29,860 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 21:36:29,860 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:36:29,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:36:29,860 INFO L82 PathProgramCache]: Analyzing trace with hash 423829006, now seen corresponding path program 1 times [2020-07-28 21:36:29,861 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:36:29,861 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983392660] [2020-07-28 21:36:29,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:36:29,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:36:29,980 INFO L280 TraceCheckUtils]: 0: Hoare triple {1433#true} [213] ULTIMATE.startENTRY-->L761: Formula: (let ((.cse0 (store |v_#valid_48| 0 0))) (and (= 0 v_~__unbuffered_p2_EAX~0_24) (= 0 |v_#NULL.base_5|) (= |v_#valid_46| (store .cse0 |v_ULTIMATE.start_main_~#t2195~0.base_15| 1)) (= |v_#length_21| (store |v_#length_22| |v_ULTIMATE.start_main_~#t2195~0.base_15| 4)) (= 0 v_~main$tmp_guard1~0_24) (= v_~__unbuffered_cnt~0_140 0) (= 0 v_~main$tmp_guard0~0_32) (= 0 |v_#NULL.offset_5|) (= 0 v_~x~0_38) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t2195~0.base_15|)) (= (store |v_#memory_int_20| |v_ULTIMATE.start_main_~#t2195~0.base_15| (store (select |v_#memory_int_20| |v_ULTIMATE.start_main_~#t2195~0.base_15|) |v_ULTIMATE.start_main_~#t2195~0.offset_13| 0)) |v_#memory_int_19|) (= 0 v_~y~0_33) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2195~0.base_15|) (< 0 |v_#StackHeapBarrier_15|) (= 0 |v_ULTIMATE.start_main_~#t2195~0.offset_13|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_48|, #memory_int=|v_#memory_int_20|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_~#t2195~0.offset=|v_ULTIMATE.start_main_~#t2195~0.offset_13|, ULTIMATE.start_main_~#t2195~0.base=|v_ULTIMATE.start_main_~#t2195~0.base_15|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_24|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_~#t2197~0.offset=|v_ULTIMATE.start_main_~#t2197~0.offset_14|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, #NULL.offset=|v_#NULL.offset_5|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_24, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_32, #NULL.base=|v_#NULL.base_5|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ULTIMATE.start_main_~#t2196~0.base=|v_ULTIMATE.start_main_~#t2196~0.base_17|, ULTIMATE.start_main_~#t2196~0.offset=|v_ULTIMATE.start_main_~#t2196~0.offset_14|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_14|, #valid=|v_#valid_46|, #memory_int=|v_#memory_int_19|, #length=|v_#length_21|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_24, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_140, ULTIMATE.start_main_~#t2197~0.base=|v_ULTIMATE.start_main_~#t2197~0.base_16|, ~y~0=v_~y~0_33, ~x~0=v_~x~0_38} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2195~0.offset, ULTIMATE.start_main_~#t2195~0.base, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~#t2197~0.offset, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t2196~0.base, ULTIMATE.start_main_~#t2196~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ULTIMATE.start_main_~#t2197~0.base, ~y~0, ~x~0] {1435#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:36:29,981 INFO L280 TraceCheckUtils]: 1: Hoare triple {1435#(= 0 ~__unbuffered_p2_EAX~0)} [162] L761-->P0ENTRY: Formula: (and (= 0 |v_P0Thread1of1ForFork2_#in~arg.offset_3|) (= 0 v_P0Thread1of1ForFork2_thidvar0_2) (= 0 |v_P0Thread1of1ForFork2_#in~arg.base_3|)) InVars {} OutVars{P0Thread1of1ForFork2_#in~arg.offset=|v_P0Thread1of1ForFork2_#in~arg.offset_3|, P0Thread1of1ForFork2_~arg.offset=v_P0Thread1of1ForFork2_~arg.offset_3, P0Thread1of1ForFork2_#res.offset=|v_P0Thread1of1ForFork2_#res.offset_3|, P0Thread1of1ForFork2_#in~arg.base=|v_P0Thread1of1ForFork2_#in~arg.base_3|, P0Thread1of1ForFork2_#res.base=|v_P0Thread1of1ForFork2_#res.base_3|, P0Thread1of1ForFork2_thidvar0=v_P0Thread1of1ForFork2_thidvar0_2, P0Thread1of1ForFork2_~arg.base=v_P0Thread1of1ForFork2_~arg.base_3} AuxVars[] AssignedVars[P0Thread1of1ForFork2_#in~arg.offset, P0Thread1of1ForFork2_~arg.offset, P0Thread1of1ForFork2_#res.offset, P0Thread1of1ForFork2_#in~arg.base, P0Thread1of1ForFork2_#res.base, P0Thread1of1ForFork2_thidvar0, P0Thread1of1ForFork2_~arg.base] {1435#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:36:29,982 INFO L280 TraceCheckUtils]: 2: Hoare triple {1435#(= 0 ~__unbuffered_p2_EAX~0)} [203] L761-1-->L763: Formula: (and (= 0 |v_ULTIMATE.start_main_~#t2196~0.offset_11|) (< |v_#StackHeapBarrier_12| |v_ULTIMATE.start_main_~#t2196~0.base_13|) (= |v_#memory_int_15| (store |v_#memory_int_16| |v_ULTIMATE.start_main_~#t2196~0.base_13| (store (select |v_#memory_int_16| |v_ULTIMATE.start_main_~#t2196~0.base_13|) |v_ULTIMATE.start_main_~#t2196~0.offset_11| 1))) (= (select |v_#valid_37| |v_ULTIMATE.start_main_~#t2196~0.base_13|) 0) (not (= 0 |v_ULTIMATE.start_main_~#t2196~0.base_13|)) (= |v_#length_17| (store |v_#length_18| |v_ULTIMATE.start_main_~#t2196~0.base_13| 4)) (= |v_#valid_36| (store |v_#valid_37| |v_ULTIMATE.start_main_~#t2196~0.base_13| 1))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_12|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_16|, #length=|v_#length_18|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_12|, ULTIMATE.start_main_~#t2196~0.base=|v_ULTIMATE.start_main_~#t2196~0.base_13|, ULTIMATE.start_main_~#t2196~0.offset=|v_ULTIMATE.start_main_~#t2196~0.offset_11|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_15|, #length=|v_#length_17|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2196~0.base, ULTIMATE.start_main_~#t2196~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {1435#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:36:29,983 INFO L280 TraceCheckUtils]: 3: Hoare triple {1435#(= 0 ~__unbuffered_p2_EAX~0)} [158] L763-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork0_thidvar0_2) (= 0 |v_P1Thread1of1ForFork0_#in~arg.offset_3|) (= 0 |v_P1Thread1of1ForFork0_#in~arg.base_3|)) InVars {} OutVars{P1Thread1of1ForFork0_~arg.offset=v_P1Thread1of1ForFork0_~arg.offset_3, P1Thread1of1ForFork0_~arg.base=v_P1Thread1of1ForFork0_~arg.base_3, P1Thread1of1ForFork0_thidvar0=v_P1Thread1of1ForFork0_thidvar0_2, P1Thread1of1ForFork0_#in~arg.base=|v_P1Thread1of1ForFork0_#in~arg.base_3|, P1Thread1of1ForFork0_#in~arg.offset=|v_P1Thread1of1ForFork0_#in~arg.offset_3|, P1Thread1of1ForFork0_#res.offset=|v_P1Thread1of1ForFork0_#res.offset_3|, P1Thread1of1ForFork0_#res.base=|v_P1Thread1of1ForFork0_#res.base_3|} AuxVars[] AssignedVars[P1Thread1of1ForFork0_~arg.offset, P1Thread1of1ForFork0_~arg.base, P1Thread1of1ForFork0_thidvar0, P1Thread1of1ForFork0_#in~arg.base, P1Thread1of1ForFork0_#in~arg.offset, P1Thread1of1ForFork0_#res.offset, P1Thread1of1ForFork0_#res.base] {1435#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:36:29,983 INFO L280 TraceCheckUtils]: 4: Hoare triple {1435#(= 0 ~__unbuffered_p2_EAX~0)} [201] L763-1-->L765: Formula: (and (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2197~0.base_12| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2197~0.base_12|) |v_ULTIMATE.start_main_~#t2197~0.offset_11| 2)) |v_#memory_int_13|) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2197~0.base_12|) (= 0 |v_ULTIMATE.start_main_~#t2197~0.offset_11|) (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t2197~0.base_12| 4) |v_#length_15|) (= |v_#valid_34| (store |v_#valid_35| |v_ULTIMATE.start_main_~#t2197~0.base_12| 1)) (not (= 0 |v_ULTIMATE.start_main_~#t2197~0.base_12|)) (= 0 (select |v_#valid_35| |v_ULTIMATE.start_main_~#t2197~0.base_12|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_35|, #memory_int=|v_#memory_int_14|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t2197~0.offset=|v_ULTIMATE.start_main_~#t2197~0.offset_11|, #valid=|v_#valid_34|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_13|, #length=|v_#length_15|, ULTIMATE.start_main_~#t2197~0.base=|v_ULTIMATE.start_main_~#t2197~0.base_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2197~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t2197~0.base] {1435#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:36:29,984 INFO L280 TraceCheckUtils]: 5: Hoare triple {1435#(= 0 ~__unbuffered_p2_EAX~0)} [160] L765-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork1_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork1_thidvar0_2) (= 0 |v_P2Thread1of1ForFork1_#in~arg.base_3|)) InVars {} OutVars{P2Thread1of1ForFork1_#in~arg.offset=|v_P2Thread1of1ForFork1_#in~arg.offset_3|, P2Thread1of1ForFork1_~arg.offset=v_P2Thread1of1ForFork1_~arg.offset_3, P2Thread1of1ForFork1_~arg.base=v_P2Thread1of1ForFork1_~arg.base_3, P2Thread1of1ForFork1_#res.base=|v_P2Thread1of1ForFork1_#res.base_3|, P2Thread1of1ForFork1_#in~arg.base=|v_P2Thread1of1ForFork1_#in~arg.base_3|, P2Thread1of1ForFork1_#res.offset=|v_P2Thread1of1ForFork1_#res.offset_3|, P2Thread1of1ForFork1_thidvar0=v_P2Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P2Thread1of1ForFork1_#in~arg.offset, P2Thread1of1ForFork1_~arg.offset, P2Thread1of1ForFork1_~arg.base, P2Thread1of1ForFork1_#res.base, P2Thread1of1ForFork1_#in~arg.base, P2Thread1of1ForFork1_#res.offset, P2Thread1of1ForFork1_thidvar0] {1435#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:36:29,985 INFO L280 TraceCheckUtils]: 6: Hoare triple {1435#(= 0 ~__unbuffered_p2_EAX~0)} [202] L765-1-->L2: Formula: (and (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond_6| (mod v_~main$tmp_guard0~0_22 256)) (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_96))) (or (and (not .cse0) (= 0 v_~main$tmp_guard0~0_22)) (and (= 1 v_~main$tmp_guard0~0_22) .cse0)))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_96} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_6|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_13, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_14|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_96, ~main$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] {1435#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:36:29,986 INFO L280 TraceCheckUtils]: 7: Hoare triple {1435#(= 0 ~__unbuffered_p2_EAX~0)} [186] P1ENTRY-->L726: Formula: (and (= v_P1Thread1of1ForFork0_~arg.base_4 |v_P1Thread1of1ForFork0_#in~arg.base_4|) (= v_P1Thread1of1ForFork0_~arg.offset_4 |v_P1Thread1of1ForFork0_#in~arg.offset_4|) (= 2 v_~x~0_13)) InVars {P1Thread1of1ForFork0_#in~arg.base=|v_P1Thread1of1ForFork0_#in~arg.base_4|, P1Thread1of1ForFork0_#in~arg.offset=|v_P1Thread1of1ForFork0_#in~arg.offset_4|} OutVars{P1Thread1of1ForFork0_~arg.offset=v_P1Thread1of1ForFork0_~arg.offset_4, P1Thread1of1ForFork0_~arg.base=v_P1Thread1of1ForFork0_~arg.base_4, P1Thread1of1ForFork0_#in~arg.base=|v_P1Thread1of1ForFork0_#in~arg.base_4|, P1Thread1of1ForFork0_#in~arg.offset=|v_P1Thread1of1ForFork0_#in~arg.offset_4|, ~x~0=v_~x~0_13} AuxVars[] AssignedVars[P1Thread1of1ForFork0_~arg.offset, P1Thread1of1ForFork0_~arg.base, ~x~0] {1435#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:36:29,987 INFO L280 TraceCheckUtils]: 8: Hoare triple {1435#(= 0 ~__unbuffered_p2_EAX~0)} [214] L2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 2 v_~y~0_38) (= 2 v_~__unbuffered_p2_EAX~0_31) (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_19) (= v_ULTIMATE.start_assume_abort_if_not_~cond_30 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (= v_ULTIMATE.start___VERIFIER_assert_~expression_19 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_17|) (= 0 v_~main$tmp_guard1~0_29) (= 2 v_~x~0_43) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_30))) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_31, ~y~0=v_~y~0_38, ~x~0=v_~x~0_43} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_19, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_30, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_29, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_31, ~y~0=v_~y~0_38, ~x~0=v_~x~0_43, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_17|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {1434#false} is VALID [2020-07-28 21:36:29,988 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 21:36:29,988 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983392660] [2020-07-28 21:36:29,988 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:36:29,989 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-07-28 21:36:29,989 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110751748] [2020-07-28 21:36:29,990 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-07-28 21:36:29,991 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:36:29,991 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 21:36:30,003 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 21:36:30,004 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 21:36:30,004 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:36:30,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 21:36:30,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 21:36:30,005 INFO L87 Difference]: Start difference. First operand 170 states and 452 transitions. Second operand 3 states. [2020-07-28 21:36:30,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:36:30,039 INFO L93 Difference]: Finished difference Result 160 states and 419 transitions. [2020-07-28 21:36:30,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 21:36:30,039 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-07-28 21:36:30,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:36:30,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 21:36:30,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 23 transitions. [2020-07-28 21:36:30,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 21:36:30,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 23 transitions. [2020-07-28 21:36:30,041 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 23 transitions. [2020-07-28 21:36:30,070 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:36:30,076 INFO L225 Difference]: With dead ends: 160 [2020-07-28 21:36:30,076 INFO L226 Difference]: Without dead ends: 160 [2020-07-28 21:36:30,077 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 21:36:30,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-07-28 21:36:30,086 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,087 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,087 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,087 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,088 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,088 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,088 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,088 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,089 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,089 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,089 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,090 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,090 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,090 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,090 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,091 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,091 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,091 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,092 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,092 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,092 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,093 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,093 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,093 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,093 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,094 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,094 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,094 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,094 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,095 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,095 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,095 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,096 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,096 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,096 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,096 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,097 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,097 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,097 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,098 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,098 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,098 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,098 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,099 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,099 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,099 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,099 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,100 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,100 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,100 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,100 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,101 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,101 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,101 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,102 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,102 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,102 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,102 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,103 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,103 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,103 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,103 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,104 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,104 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,104 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,105 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,105 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,105 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,105 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,106 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,106 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,106 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,106 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,107 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,107 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,107 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,108 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,108 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,108 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,108 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,109 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,109 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,109 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,109 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,110 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,110 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,110 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,111 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,111 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,111 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,111 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,112 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,112 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,112 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,112 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,113 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,113 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,113 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,114 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,114 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,114 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,114 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,115 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,115 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,115 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,115 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,116 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,116 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,116 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,116 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,117 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,117 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,117 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,118 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,118 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,118 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,118 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,119 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,119 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,119 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,119 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,120 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,120 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,120 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,120 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,121 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,121 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,121 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,122 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,122 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,122 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,122 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,123 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,123 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,123 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,124 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,124 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,124 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,125 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,125 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,125 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,125 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,126 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,126 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,126 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,127 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,127 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,127 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,127 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,128 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,128 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,128 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,129 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,129 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,129 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,130 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,130 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,130 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,131 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,131 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2020-07-28 21:36:30,132 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:36:30,132 INFO L82 GeneralOperation]: Start isEquivalent. First operand 160 states. Second operand 160 states. [2020-07-28 21:36:30,132 INFO L74 IsIncluded]: Start isIncluded. First operand 160 states. Second operand 160 states. [2020-07-28 21:36:30,132 INFO L87 Difference]: Start difference. First operand 160 states. Second operand 160 states. [2020-07-28 21:36:30,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:36:30,142 INFO L93 Difference]: Finished difference Result 160 states and 419 transitions. [2020-07-28 21:36:30,142 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 419 transitions. [2020-07-28 21:36:30,143 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:36:30,143 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:36:30,143 INFO L74 IsIncluded]: Start isIncluded. First operand 160 states. Second operand 160 states. [2020-07-28 21:36:30,143 INFO L87 Difference]: Start difference. First operand 160 states. Second operand 160 states. [2020-07-28 21:36:30,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:36:30,153 INFO L93 Difference]: Finished difference Result 160 states and 419 transitions. [2020-07-28 21:36:30,153 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 419 transitions. [2020-07-28 21:36:30,154 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:36:30,154 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:36:30,154 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:36:30,154 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:36:30,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2020-07-28 21:36:30,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 419 transitions. [2020-07-28 21:36:30,163 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 419 transitions. Word has length 9 [2020-07-28 21:36:30,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:36:30,164 INFO L479 AbstractCegarLoop]: Abstraction has 160 states and 419 transitions. [2020-07-28 21:36:30,164 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 21:36:30,164 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 419 transitions. [2020-07-28 21:36:30,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-07-28 21:36:30,165 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:36:30,165 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:36:30,166 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 21:36:30,166 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:36:30,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:36:30,166 INFO L82 PathProgramCache]: Analyzing trace with hash 253097036, now seen corresponding path program 1 times [2020-07-28 21:36:30,167 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:36:30,167 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129648703] [2020-07-28 21:36:30,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:36:30,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:36:30,260 INFO L280 TraceCheckUtils]: 0: Hoare triple {2238#true} [213] ULTIMATE.startENTRY-->L761: Formula: (let ((.cse0 (store |v_#valid_48| 0 0))) (and (= 0 v_~__unbuffered_p2_EAX~0_24) (= 0 |v_#NULL.base_5|) (= |v_#valid_46| (store .cse0 |v_ULTIMATE.start_main_~#t2195~0.base_15| 1)) (= |v_#length_21| (store |v_#length_22| |v_ULTIMATE.start_main_~#t2195~0.base_15| 4)) (= 0 v_~main$tmp_guard1~0_24) (= v_~__unbuffered_cnt~0_140 0) (= 0 v_~main$tmp_guard0~0_32) (= 0 |v_#NULL.offset_5|) (= 0 v_~x~0_38) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t2195~0.base_15|)) (= (store |v_#memory_int_20| |v_ULTIMATE.start_main_~#t2195~0.base_15| (store (select |v_#memory_int_20| |v_ULTIMATE.start_main_~#t2195~0.base_15|) |v_ULTIMATE.start_main_~#t2195~0.offset_13| 0)) |v_#memory_int_19|) (= 0 v_~y~0_33) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2195~0.base_15|) (< 0 |v_#StackHeapBarrier_15|) (= 0 |v_ULTIMATE.start_main_~#t2195~0.offset_13|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_48|, #memory_int=|v_#memory_int_20|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_~#t2195~0.offset=|v_ULTIMATE.start_main_~#t2195~0.offset_13|, ULTIMATE.start_main_~#t2195~0.base=|v_ULTIMATE.start_main_~#t2195~0.base_15|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_24|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_~#t2197~0.offset=|v_ULTIMATE.start_main_~#t2197~0.offset_14|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, #NULL.offset=|v_#NULL.offset_5|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_24, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_32, #NULL.base=|v_#NULL.base_5|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ULTIMATE.start_main_~#t2196~0.base=|v_ULTIMATE.start_main_~#t2196~0.base_17|, ULTIMATE.start_main_~#t2196~0.offset=|v_ULTIMATE.start_main_~#t2196~0.offset_14|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_14|, #valid=|v_#valid_46|, #memory_int=|v_#memory_int_19|, #length=|v_#length_21|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_24, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_140, ULTIMATE.start_main_~#t2197~0.base=|v_ULTIMATE.start_main_~#t2197~0.base_16|, ~y~0=v_~y~0_33, ~x~0=v_~x~0_38} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2195~0.offset, ULTIMATE.start_main_~#t2195~0.base, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~#t2197~0.offset, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t2196~0.base, ULTIMATE.start_main_~#t2196~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ULTIMATE.start_main_~#t2197~0.base, ~y~0, ~x~0] {2240#(= 0 ~x~0)} is VALID [2020-07-28 21:36:30,261 INFO L280 TraceCheckUtils]: 1: Hoare triple {2240#(= 0 ~x~0)} [162] L761-->P0ENTRY: Formula: (and (= 0 |v_P0Thread1of1ForFork2_#in~arg.offset_3|) (= 0 v_P0Thread1of1ForFork2_thidvar0_2) (= 0 |v_P0Thread1of1ForFork2_#in~arg.base_3|)) InVars {} OutVars{P0Thread1of1ForFork2_#in~arg.offset=|v_P0Thread1of1ForFork2_#in~arg.offset_3|, P0Thread1of1ForFork2_~arg.offset=v_P0Thread1of1ForFork2_~arg.offset_3, P0Thread1of1ForFork2_#res.offset=|v_P0Thread1of1ForFork2_#res.offset_3|, P0Thread1of1ForFork2_#in~arg.base=|v_P0Thread1of1ForFork2_#in~arg.base_3|, P0Thread1of1ForFork2_#res.base=|v_P0Thread1of1ForFork2_#res.base_3|, P0Thread1of1ForFork2_thidvar0=v_P0Thread1of1ForFork2_thidvar0_2, P0Thread1of1ForFork2_~arg.base=v_P0Thread1of1ForFork2_~arg.base_3} AuxVars[] AssignedVars[P0Thread1of1ForFork2_#in~arg.offset, P0Thread1of1ForFork2_~arg.offset, P0Thread1of1ForFork2_#res.offset, P0Thread1of1ForFork2_#in~arg.base, P0Thread1of1ForFork2_#res.base, P0Thread1of1ForFork2_thidvar0, P0Thread1of1ForFork2_~arg.base] {2240#(= 0 ~x~0)} is VALID [2020-07-28 21:36:30,262 INFO L280 TraceCheckUtils]: 2: Hoare triple {2240#(= 0 ~x~0)} [203] L761-1-->L763: Formula: (and (= 0 |v_ULTIMATE.start_main_~#t2196~0.offset_11|) (< |v_#StackHeapBarrier_12| |v_ULTIMATE.start_main_~#t2196~0.base_13|) (= |v_#memory_int_15| (store |v_#memory_int_16| |v_ULTIMATE.start_main_~#t2196~0.base_13| (store (select |v_#memory_int_16| |v_ULTIMATE.start_main_~#t2196~0.base_13|) |v_ULTIMATE.start_main_~#t2196~0.offset_11| 1))) (= (select |v_#valid_37| |v_ULTIMATE.start_main_~#t2196~0.base_13|) 0) (not (= 0 |v_ULTIMATE.start_main_~#t2196~0.base_13|)) (= |v_#length_17| (store |v_#length_18| |v_ULTIMATE.start_main_~#t2196~0.base_13| 4)) (= |v_#valid_36| (store |v_#valid_37| |v_ULTIMATE.start_main_~#t2196~0.base_13| 1))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_12|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_16|, #length=|v_#length_18|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_12|, ULTIMATE.start_main_~#t2196~0.base=|v_ULTIMATE.start_main_~#t2196~0.base_13|, ULTIMATE.start_main_~#t2196~0.offset=|v_ULTIMATE.start_main_~#t2196~0.offset_11|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_15|, #length=|v_#length_17|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2196~0.base, ULTIMATE.start_main_~#t2196~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {2240#(= 0 ~x~0)} is VALID [2020-07-28 21:36:30,263 INFO L280 TraceCheckUtils]: 3: Hoare triple {2240#(= 0 ~x~0)} [158] L763-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork0_thidvar0_2) (= 0 |v_P1Thread1of1ForFork0_#in~arg.offset_3|) (= 0 |v_P1Thread1of1ForFork0_#in~arg.base_3|)) InVars {} OutVars{P1Thread1of1ForFork0_~arg.offset=v_P1Thread1of1ForFork0_~arg.offset_3, P1Thread1of1ForFork0_~arg.base=v_P1Thread1of1ForFork0_~arg.base_3, P1Thread1of1ForFork0_thidvar0=v_P1Thread1of1ForFork0_thidvar0_2, P1Thread1of1ForFork0_#in~arg.base=|v_P1Thread1of1ForFork0_#in~arg.base_3|, P1Thread1of1ForFork0_#in~arg.offset=|v_P1Thread1of1ForFork0_#in~arg.offset_3|, P1Thread1of1ForFork0_#res.offset=|v_P1Thread1of1ForFork0_#res.offset_3|, P1Thread1of1ForFork0_#res.base=|v_P1Thread1of1ForFork0_#res.base_3|} AuxVars[] AssignedVars[P1Thread1of1ForFork0_~arg.offset, P1Thread1of1ForFork0_~arg.base, P1Thread1of1ForFork0_thidvar0, P1Thread1of1ForFork0_#in~arg.base, P1Thread1of1ForFork0_#in~arg.offset, P1Thread1of1ForFork0_#res.offset, P1Thread1of1ForFork0_#res.base] {2240#(= 0 ~x~0)} is VALID [2020-07-28 21:36:30,263 INFO L280 TraceCheckUtils]: 4: Hoare triple {2240#(= 0 ~x~0)} [201] L763-1-->L765: Formula: (and (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2197~0.base_12| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2197~0.base_12|) |v_ULTIMATE.start_main_~#t2197~0.offset_11| 2)) |v_#memory_int_13|) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2197~0.base_12|) (= 0 |v_ULTIMATE.start_main_~#t2197~0.offset_11|) (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t2197~0.base_12| 4) |v_#length_15|) (= |v_#valid_34| (store |v_#valid_35| |v_ULTIMATE.start_main_~#t2197~0.base_12| 1)) (not (= 0 |v_ULTIMATE.start_main_~#t2197~0.base_12|)) (= 0 (select |v_#valid_35| |v_ULTIMATE.start_main_~#t2197~0.base_12|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_35|, #memory_int=|v_#memory_int_14|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t2197~0.offset=|v_ULTIMATE.start_main_~#t2197~0.offset_11|, #valid=|v_#valid_34|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_13|, #length=|v_#length_15|, ULTIMATE.start_main_~#t2197~0.base=|v_ULTIMATE.start_main_~#t2197~0.base_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2197~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t2197~0.base] {2240#(= 0 ~x~0)} is VALID [2020-07-28 21:36:30,264 INFO L280 TraceCheckUtils]: 5: Hoare triple {2240#(= 0 ~x~0)} [160] L765-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork1_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork1_thidvar0_2) (= 0 |v_P2Thread1of1ForFork1_#in~arg.base_3|)) InVars {} OutVars{P2Thread1of1ForFork1_#in~arg.offset=|v_P2Thread1of1ForFork1_#in~arg.offset_3|, P2Thread1of1ForFork1_~arg.offset=v_P2Thread1of1ForFork1_~arg.offset_3, P2Thread1of1ForFork1_~arg.base=v_P2Thread1of1ForFork1_~arg.base_3, P2Thread1of1ForFork1_#res.base=|v_P2Thread1of1ForFork1_#res.base_3|, P2Thread1of1ForFork1_#in~arg.base=|v_P2Thread1of1ForFork1_#in~arg.base_3|, P2Thread1of1ForFork1_#res.offset=|v_P2Thread1of1ForFork1_#res.offset_3|, P2Thread1of1ForFork1_thidvar0=v_P2Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P2Thread1of1ForFork1_#in~arg.offset, P2Thread1of1ForFork1_~arg.offset, P2Thread1of1ForFork1_~arg.base, P2Thread1of1ForFork1_#res.base, P2Thread1of1ForFork1_#in~arg.base, P2Thread1of1ForFork1_#res.offset, P2Thread1of1ForFork1_thidvar0] {2240#(= 0 ~x~0)} is VALID [2020-07-28 21:36:30,265 INFO L280 TraceCheckUtils]: 6: Hoare triple {2240#(= 0 ~x~0)} [178] P2ENTRY-->L738: Formula: (and (= v_P2Thread1of1ForFork1_~arg.base_4 |v_P2Thread1of1ForFork1_#in~arg.base_4|) (= v_~__unbuffered_p2_EAX~0_8 v_~x~0_11) (= v_P2Thread1of1ForFork1_~arg.offset_4 |v_P2Thread1of1ForFork1_#in~arg.offset_4|)) InVars {P2Thread1of1ForFork1_#in~arg.offset=|v_P2Thread1of1ForFork1_#in~arg.offset_4|, P2Thread1of1ForFork1_#in~arg.base=|v_P2Thread1of1ForFork1_#in~arg.base_4|, ~x~0=v_~x~0_11} OutVars{P2Thread1of1ForFork1_#in~arg.offset=|v_P2Thread1of1ForFork1_#in~arg.offset_4|, P2Thread1of1ForFork1_~arg.offset=v_P2Thread1of1ForFork1_~arg.offset_4, P2Thread1of1ForFork1_~arg.base=v_P2Thread1of1ForFork1_~arg.base_4, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_8, P2Thread1of1ForFork1_#in~arg.base=|v_P2Thread1of1ForFork1_#in~arg.base_4|, ~x~0=v_~x~0_11} AuxVars[] AssignedVars[P2Thread1of1ForFork1_~arg.offset, P2Thread1of1ForFork1_~arg.base, ~__unbuffered_p2_EAX~0] {2241#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:36:30,265 INFO L280 TraceCheckUtils]: 7: Hoare triple {2241#(= 0 ~__unbuffered_p2_EAX~0)} [202] L765-1-->L2: Formula: (and (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond_6| (mod v_~main$tmp_guard0~0_22 256)) (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_96))) (or (and (not .cse0) (= 0 v_~main$tmp_guard0~0_22)) (and (= 1 v_~main$tmp_guard0~0_22) .cse0)))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_96} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_6|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_13, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_14|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_96, ~main$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] {2241#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:36:30,266 INFO L280 TraceCheckUtils]: 8: Hoare triple {2241#(= 0 ~__unbuffered_p2_EAX~0)} [186] P1ENTRY-->L726: Formula: (and (= v_P1Thread1of1ForFork0_~arg.base_4 |v_P1Thread1of1ForFork0_#in~arg.base_4|) (= v_P1Thread1of1ForFork0_~arg.offset_4 |v_P1Thread1of1ForFork0_#in~arg.offset_4|) (= 2 v_~x~0_13)) InVars {P1Thread1of1ForFork0_#in~arg.base=|v_P1Thread1of1ForFork0_#in~arg.base_4|, P1Thread1of1ForFork0_#in~arg.offset=|v_P1Thread1of1ForFork0_#in~arg.offset_4|} OutVars{P1Thread1of1ForFork0_~arg.offset=v_P1Thread1of1ForFork0_~arg.offset_4, P1Thread1of1ForFork0_~arg.base=v_P1Thread1of1ForFork0_~arg.base_4, P1Thread1of1ForFork0_#in~arg.base=|v_P1Thread1of1ForFork0_#in~arg.base_4|, P1Thread1of1ForFork0_#in~arg.offset=|v_P1Thread1of1ForFork0_#in~arg.offset_4|, ~x~0=v_~x~0_13} AuxVars[] AssignedVars[P1Thread1of1ForFork0_~arg.offset, P1Thread1of1ForFork0_~arg.base, ~x~0] {2241#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:36:30,267 INFO L280 TraceCheckUtils]: 9: Hoare triple {2241#(= 0 ~__unbuffered_p2_EAX~0)} [214] L2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 2 v_~y~0_38) (= 2 v_~__unbuffered_p2_EAX~0_31) (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_19) (= v_ULTIMATE.start_assume_abort_if_not_~cond_30 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (= v_ULTIMATE.start___VERIFIER_assert_~expression_19 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_17|) (= 0 v_~main$tmp_guard1~0_29) (= 2 v_~x~0_43) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_30))) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_31, ~y~0=v_~y~0_38, ~x~0=v_~x~0_43} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_19, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_30, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_29, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_31, ~y~0=v_~y~0_38, ~x~0=v_~x~0_43, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_17|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {2239#false} is VALID [2020-07-28 21:36:30,268 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 21:36:30,268 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129648703] [2020-07-28 21:36:30,268 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:36:30,268 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 21:36:30,268 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724862819] [2020-07-28 21:36:30,269 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-07-28 21:36:30,269 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:36:30,269 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 21:36:30,284 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 10 edges. 10 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:36:30,284 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 21:36:30,284 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:36:30,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 21:36:30,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 21:36:30,285 INFO L87 Difference]: Start difference. First operand 160 states and 419 transitions. Second operand 4 states. [2020-07-28 21:36:30,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:36:30,378 INFO L93 Difference]: Finished difference Result 220 states and 567 transitions. [2020-07-28 21:36:30,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-28 21:36:30,378 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-07-28 21:36:30,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:36:30,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:36:30,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 36 transitions. [2020-07-28 21:36:30,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:36:30,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 36 transitions. [2020-07-28 21:36:30,383 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 36 transitions. [2020-07-28 21:36:30,431 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 36 edges. 36 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:36:30,436 INFO L225 Difference]: With dead ends: 220 [2020-07-28 21:36:30,436 INFO L226 Difference]: Without dead ends: 148 [2020-07-28 21:36:30,436 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 21:36:30,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-07-28 21:36:30,441 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,442 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,442 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,442 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,442 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,443 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,443 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,443 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,443 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,443 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,443 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,444 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,444 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,444 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,444 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,444 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,445 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,445 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,445 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,445 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,445 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,445 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,446 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,446 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,446 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,446 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,446 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,447 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,447 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,447 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,447 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,447 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,448 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,448 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,448 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,448 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,448 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,449 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,449 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,449 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,449 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,449 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,450 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,450 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,450 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,450 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,450 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,450 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,451 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,451 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,451 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,451 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,451 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,452 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,452 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,452 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,452 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,453 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,453 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,453 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,453 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,453 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,454 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,454 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,454 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,454 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,454 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,454 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,455 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,455 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,455 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,455 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,455 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,456 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,456 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,456 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,456 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,456 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,457 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,457 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,457 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,457 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,458 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,458 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,458 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,458 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,458 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,458 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,459 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,459 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,459 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,459 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,459 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,460 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,460 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,460 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,460 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,460 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,461 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,461 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,461 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,461 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,461 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,462 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,462 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,462 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,462 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,462 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,463 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,463 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,463 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,463 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,463 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,464 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,464 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,464 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,464 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,464 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,465 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,465 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,465 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,465 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,465 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,466 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,466 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,466 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,466 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,466 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,467 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,467 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,467 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,467 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,467 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,468 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,468 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,468 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,468 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,468 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,469 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,469 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,469 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,469 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,469 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,470 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,470 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,470 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,470 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,471 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2020-07-28 21:36:30,471 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:36:30,471 INFO L82 GeneralOperation]: Start isEquivalent. First operand 148 states. Second operand 148 states. [2020-07-28 21:36:30,471 INFO L74 IsIncluded]: Start isIncluded. First operand 148 states. Second operand 148 states. [2020-07-28 21:36:30,472 INFO L87 Difference]: Start difference. First operand 148 states. Second operand 148 states. [2020-07-28 21:36:30,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:36:30,479 INFO L93 Difference]: Finished difference Result 148 states and 377 transitions. [2020-07-28 21:36:30,479 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 377 transitions. [2020-07-28 21:36:30,480 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:36:30,480 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:36:30,480 INFO L74 IsIncluded]: Start isIncluded. First operand 148 states. Second operand 148 states. [2020-07-28 21:36:30,480 INFO L87 Difference]: Start difference. First operand 148 states. Second operand 148 states. [2020-07-28 21:36:30,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:36:30,488 INFO L93 Difference]: Finished difference Result 148 states and 377 transitions. [2020-07-28 21:36:30,488 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 377 transitions. [2020-07-28 21:36:30,489 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:36:30,489 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:36:30,489 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:36:30,489 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:36:30,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-07-28 21:36:30,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 377 transitions. [2020-07-28 21:36:30,496 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 377 transitions. Word has length 10 [2020-07-28 21:36:30,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:36:30,496 INFO L479 AbstractCegarLoop]: Abstraction has 148 states and 377 transitions. [2020-07-28 21:36:30,496 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 21:36:30,497 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 377 transitions. [2020-07-28 21:36:30,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-07-28 21:36:30,497 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:36:30,497 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:36:30,497 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 21:36:30,498 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:36:30,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:36:30,498 INFO L82 PathProgramCache]: Analyzing trace with hash 253796396, now seen corresponding path program 2 times [2020-07-28 21:36:30,498 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:36:30,498 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961235165] [2020-07-28 21:36:30,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:36:30,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:36:30,550 INFO L280 TraceCheckUtils]: 0: Hoare triple {3058#true} [213] ULTIMATE.startENTRY-->L761: Formula: (let ((.cse0 (store |v_#valid_48| 0 0))) (and (= 0 v_~__unbuffered_p2_EAX~0_24) (= 0 |v_#NULL.base_5|) (= |v_#valid_46| (store .cse0 |v_ULTIMATE.start_main_~#t2195~0.base_15| 1)) (= |v_#length_21| (store |v_#length_22| |v_ULTIMATE.start_main_~#t2195~0.base_15| 4)) (= 0 v_~main$tmp_guard1~0_24) (= v_~__unbuffered_cnt~0_140 0) (= 0 v_~main$tmp_guard0~0_32) (= 0 |v_#NULL.offset_5|) (= 0 v_~x~0_38) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t2195~0.base_15|)) (= (store |v_#memory_int_20| |v_ULTIMATE.start_main_~#t2195~0.base_15| (store (select |v_#memory_int_20| |v_ULTIMATE.start_main_~#t2195~0.base_15|) |v_ULTIMATE.start_main_~#t2195~0.offset_13| 0)) |v_#memory_int_19|) (= 0 v_~y~0_33) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2195~0.base_15|) (< 0 |v_#StackHeapBarrier_15|) (= 0 |v_ULTIMATE.start_main_~#t2195~0.offset_13|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_48|, #memory_int=|v_#memory_int_20|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_~#t2195~0.offset=|v_ULTIMATE.start_main_~#t2195~0.offset_13|, ULTIMATE.start_main_~#t2195~0.base=|v_ULTIMATE.start_main_~#t2195~0.base_15|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_24|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_~#t2197~0.offset=|v_ULTIMATE.start_main_~#t2197~0.offset_14|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, #NULL.offset=|v_#NULL.offset_5|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_24, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_32, #NULL.base=|v_#NULL.base_5|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ULTIMATE.start_main_~#t2196~0.base=|v_ULTIMATE.start_main_~#t2196~0.base_17|, ULTIMATE.start_main_~#t2196~0.offset=|v_ULTIMATE.start_main_~#t2196~0.offset_14|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_14|, #valid=|v_#valid_46|, #memory_int=|v_#memory_int_19|, #length=|v_#length_21|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_24, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_140, ULTIMATE.start_main_~#t2197~0.base=|v_ULTIMATE.start_main_~#t2197~0.base_16|, ~y~0=v_~y~0_33, ~x~0=v_~x~0_38} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2195~0.offset, ULTIMATE.start_main_~#t2195~0.base, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~#t2197~0.offset, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t2196~0.base, ULTIMATE.start_main_~#t2196~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ULTIMATE.start_main_~#t2197~0.base, ~y~0, ~x~0] {3060#(<= ~y~0 0)} is VALID [2020-07-28 21:36:30,551 INFO L280 TraceCheckUtils]: 1: Hoare triple {3060#(<= ~y~0 0)} [162] L761-->P0ENTRY: Formula: (and (= 0 |v_P0Thread1of1ForFork2_#in~arg.offset_3|) (= 0 v_P0Thread1of1ForFork2_thidvar0_2) (= 0 |v_P0Thread1of1ForFork2_#in~arg.base_3|)) InVars {} OutVars{P0Thread1of1ForFork2_#in~arg.offset=|v_P0Thread1of1ForFork2_#in~arg.offset_3|, P0Thread1of1ForFork2_~arg.offset=v_P0Thread1of1ForFork2_~arg.offset_3, P0Thread1of1ForFork2_#res.offset=|v_P0Thread1of1ForFork2_#res.offset_3|, P0Thread1of1ForFork2_#in~arg.base=|v_P0Thread1of1ForFork2_#in~arg.base_3|, P0Thread1of1ForFork2_#res.base=|v_P0Thread1of1ForFork2_#res.base_3|, P0Thread1of1ForFork2_thidvar0=v_P0Thread1of1ForFork2_thidvar0_2, P0Thread1of1ForFork2_~arg.base=v_P0Thread1of1ForFork2_~arg.base_3} AuxVars[] AssignedVars[P0Thread1of1ForFork2_#in~arg.offset, P0Thread1of1ForFork2_~arg.offset, P0Thread1of1ForFork2_#res.offset, P0Thread1of1ForFork2_#in~arg.base, P0Thread1of1ForFork2_#res.base, P0Thread1of1ForFork2_thidvar0, P0Thread1of1ForFork2_~arg.base] {3060#(<= ~y~0 0)} is VALID [2020-07-28 21:36:30,551 INFO L280 TraceCheckUtils]: 2: Hoare triple {3060#(<= ~y~0 0)} [203] L761-1-->L763: Formula: (and (= 0 |v_ULTIMATE.start_main_~#t2196~0.offset_11|) (< |v_#StackHeapBarrier_12| |v_ULTIMATE.start_main_~#t2196~0.base_13|) (= |v_#memory_int_15| (store |v_#memory_int_16| |v_ULTIMATE.start_main_~#t2196~0.base_13| (store (select |v_#memory_int_16| |v_ULTIMATE.start_main_~#t2196~0.base_13|) |v_ULTIMATE.start_main_~#t2196~0.offset_11| 1))) (= (select |v_#valid_37| |v_ULTIMATE.start_main_~#t2196~0.base_13|) 0) (not (= 0 |v_ULTIMATE.start_main_~#t2196~0.base_13|)) (= |v_#length_17| (store |v_#length_18| |v_ULTIMATE.start_main_~#t2196~0.base_13| 4)) (= |v_#valid_36| (store |v_#valid_37| |v_ULTIMATE.start_main_~#t2196~0.base_13| 1))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_12|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_16|, #length=|v_#length_18|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_12|, ULTIMATE.start_main_~#t2196~0.base=|v_ULTIMATE.start_main_~#t2196~0.base_13|, ULTIMATE.start_main_~#t2196~0.offset=|v_ULTIMATE.start_main_~#t2196~0.offset_11|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_15|, #length=|v_#length_17|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2196~0.base, ULTIMATE.start_main_~#t2196~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {3060#(<= ~y~0 0)} is VALID [2020-07-28 21:36:30,552 INFO L280 TraceCheckUtils]: 3: Hoare triple {3060#(<= ~y~0 0)} [158] L763-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork0_thidvar0_2) (= 0 |v_P1Thread1of1ForFork0_#in~arg.offset_3|) (= 0 |v_P1Thread1of1ForFork0_#in~arg.base_3|)) InVars {} OutVars{P1Thread1of1ForFork0_~arg.offset=v_P1Thread1of1ForFork0_~arg.offset_3, P1Thread1of1ForFork0_~arg.base=v_P1Thread1of1ForFork0_~arg.base_3, P1Thread1of1ForFork0_thidvar0=v_P1Thread1of1ForFork0_thidvar0_2, P1Thread1of1ForFork0_#in~arg.base=|v_P1Thread1of1ForFork0_#in~arg.base_3|, P1Thread1of1ForFork0_#in~arg.offset=|v_P1Thread1of1ForFork0_#in~arg.offset_3|, P1Thread1of1ForFork0_#res.offset=|v_P1Thread1of1ForFork0_#res.offset_3|, P1Thread1of1ForFork0_#res.base=|v_P1Thread1of1ForFork0_#res.base_3|} AuxVars[] AssignedVars[P1Thread1of1ForFork0_~arg.offset, P1Thread1of1ForFork0_~arg.base, P1Thread1of1ForFork0_thidvar0, P1Thread1of1ForFork0_#in~arg.base, P1Thread1of1ForFork0_#in~arg.offset, P1Thread1of1ForFork0_#res.offset, P1Thread1of1ForFork0_#res.base] {3060#(<= ~y~0 0)} is VALID [2020-07-28 21:36:30,553 INFO L280 TraceCheckUtils]: 4: Hoare triple {3060#(<= ~y~0 0)} [201] L763-1-->L765: Formula: (and (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2197~0.base_12| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2197~0.base_12|) |v_ULTIMATE.start_main_~#t2197~0.offset_11| 2)) |v_#memory_int_13|) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2197~0.base_12|) (= 0 |v_ULTIMATE.start_main_~#t2197~0.offset_11|) (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t2197~0.base_12| 4) |v_#length_15|) (= |v_#valid_34| (store |v_#valid_35| |v_ULTIMATE.start_main_~#t2197~0.base_12| 1)) (not (= 0 |v_ULTIMATE.start_main_~#t2197~0.base_12|)) (= 0 (select |v_#valid_35| |v_ULTIMATE.start_main_~#t2197~0.base_12|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_35|, #memory_int=|v_#memory_int_14|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t2197~0.offset=|v_ULTIMATE.start_main_~#t2197~0.offset_11|, #valid=|v_#valid_34|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_13|, #length=|v_#length_15|, ULTIMATE.start_main_~#t2197~0.base=|v_ULTIMATE.start_main_~#t2197~0.base_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2197~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t2197~0.base] {3060#(<= ~y~0 0)} is VALID [2020-07-28 21:36:30,553 INFO L280 TraceCheckUtils]: 5: Hoare triple {3060#(<= ~y~0 0)} [160] L765-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork1_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork1_thidvar0_2) (= 0 |v_P2Thread1of1ForFork1_#in~arg.base_3|)) InVars {} OutVars{P2Thread1of1ForFork1_#in~arg.offset=|v_P2Thread1of1ForFork1_#in~arg.offset_3|, P2Thread1of1ForFork1_~arg.offset=v_P2Thread1of1ForFork1_~arg.offset_3, P2Thread1of1ForFork1_~arg.base=v_P2Thread1of1ForFork1_~arg.base_3, P2Thread1of1ForFork1_#res.base=|v_P2Thread1of1ForFork1_#res.base_3|, P2Thread1of1ForFork1_#in~arg.base=|v_P2Thread1of1ForFork1_#in~arg.base_3|, P2Thread1of1ForFork1_#res.offset=|v_P2Thread1of1ForFork1_#res.offset_3|, P2Thread1of1ForFork1_thidvar0=v_P2Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P2Thread1of1ForFork1_#in~arg.offset, P2Thread1of1ForFork1_~arg.offset, P2Thread1of1ForFork1_~arg.base, P2Thread1of1ForFork1_#res.base, P2Thread1of1ForFork1_#in~arg.base, P2Thread1of1ForFork1_#res.offset, P2Thread1of1ForFork1_thidvar0] {3060#(<= ~y~0 0)} is VALID [2020-07-28 21:36:30,554 INFO L280 TraceCheckUtils]: 6: Hoare triple {3060#(<= ~y~0 0)} [202] L765-1-->L2: Formula: (and (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond_6| (mod v_~main$tmp_guard0~0_22 256)) (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_96))) (or (and (not .cse0) (= 0 v_~main$tmp_guard0~0_22)) (and (= 1 v_~main$tmp_guard0~0_22) .cse0)))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_96} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_6|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_13, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_14|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_96, ~main$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] {3060#(<= ~y~0 0)} is VALID [2020-07-28 21:36:30,554 INFO L280 TraceCheckUtils]: 7: Hoare triple {3060#(<= ~y~0 0)} [186] P1ENTRY-->L726: Formula: (and (= v_P1Thread1of1ForFork0_~arg.base_4 |v_P1Thread1of1ForFork0_#in~arg.base_4|) (= v_P1Thread1of1ForFork0_~arg.offset_4 |v_P1Thread1of1ForFork0_#in~arg.offset_4|) (= 2 v_~x~0_13)) InVars {P1Thread1of1ForFork0_#in~arg.base=|v_P1Thread1of1ForFork0_#in~arg.base_4|, P1Thread1of1ForFork0_#in~arg.offset=|v_P1Thread1of1ForFork0_#in~arg.offset_4|} OutVars{P1Thread1of1ForFork0_~arg.offset=v_P1Thread1of1ForFork0_~arg.offset_4, P1Thread1of1ForFork0_~arg.base=v_P1Thread1of1ForFork0_~arg.base_4, P1Thread1of1ForFork0_#in~arg.base=|v_P1Thread1of1ForFork0_#in~arg.base_4|, P1Thread1of1ForFork0_#in~arg.offset=|v_P1Thread1of1ForFork0_#in~arg.offset_4|, ~x~0=v_~x~0_13} AuxVars[] AssignedVars[P1Thread1of1ForFork0_~arg.offset, P1Thread1of1ForFork0_~arg.base, ~x~0] {3060#(<= ~y~0 0)} is VALID [2020-07-28 21:36:30,555 INFO L280 TraceCheckUtils]: 8: Hoare triple {3060#(<= ~y~0 0)} [178] P2ENTRY-->L738: Formula: (and (= v_P2Thread1of1ForFork1_~arg.base_4 |v_P2Thread1of1ForFork1_#in~arg.base_4|) (= v_~__unbuffered_p2_EAX~0_8 v_~x~0_11) (= v_P2Thread1of1ForFork1_~arg.offset_4 |v_P2Thread1of1ForFork1_#in~arg.offset_4|)) InVars {P2Thread1of1ForFork1_#in~arg.offset=|v_P2Thread1of1ForFork1_#in~arg.offset_4|, P2Thread1of1ForFork1_#in~arg.base=|v_P2Thread1of1ForFork1_#in~arg.base_4|, ~x~0=v_~x~0_11} OutVars{P2Thread1of1ForFork1_#in~arg.offset=|v_P2Thread1of1ForFork1_#in~arg.offset_4|, P2Thread1of1ForFork1_~arg.offset=v_P2Thread1of1ForFork1_~arg.offset_4, P2Thread1of1ForFork1_~arg.base=v_P2Thread1of1ForFork1_~arg.base_4, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_8, P2Thread1of1ForFork1_#in~arg.base=|v_P2Thread1of1ForFork1_#in~arg.base_4|, ~x~0=v_~x~0_11} AuxVars[] AssignedVars[P2Thread1of1ForFork1_~arg.offset, P2Thread1of1ForFork1_~arg.base, ~__unbuffered_p2_EAX~0] {3060#(<= ~y~0 0)} is VALID [2020-07-28 21:36:30,556 INFO L280 TraceCheckUtils]: 9: Hoare triple {3060#(<= ~y~0 0)} [214] L2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 2 v_~y~0_38) (= 2 v_~__unbuffered_p2_EAX~0_31) (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_19) (= v_ULTIMATE.start_assume_abort_if_not_~cond_30 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (= v_ULTIMATE.start___VERIFIER_assert_~expression_19 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_17|) (= 0 v_~main$tmp_guard1~0_29) (= 2 v_~x~0_43) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_30))) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_31, ~y~0=v_~y~0_38, ~x~0=v_~x~0_43} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_19, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_30, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_29, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_31, ~y~0=v_~y~0_38, ~x~0=v_~x~0_43, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_17|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {3059#false} is VALID [2020-07-28 21:36:30,557 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 21:36:30,557 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961235165] [2020-07-28 21:36:30,557 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:36:30,557 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-07-28 21:36:30,557 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064367515] [2020-07-28 21:36:30,558 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-07-28 21:36:30,558 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:36:30,558 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 21:36:30,569 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 10 edges. 10 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:36:30,570 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 21:36:30,570 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:36:30,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 21:36:30,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 21:36:30,570 INFO L87 Difference]: Start difference. First operand 148 states and 377 transitions. Second operand 3 states. [2020-07-28 21:36:30,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:36:30,606 INFO L93 Difference]: Finished difference Result 146 states and 370 transitions. [2020-07-28 21:36:30,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 21:36:30,606 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-07-28 21:36:30,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:36:30,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 21:36:30,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 27 transitions. [2020-07-28 21:36:30,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 21:36:30,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 27 transitions. [2020-07-28 21:36:30,607 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 27 transitions. [2020-07-28 21:36:30,635 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 21:36:30,638 INFO L225 Difference]: With dead ends: 146 [2020-07-28 21:36:30,638 INFO L226 Difference]: Without dead ends: 146 [2020-07-28 21:36:30,638 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 21:36:30,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-07-28 21:36:30,643 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,643 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,643 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,643 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,644 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,644 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,644 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,644 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,644 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,645 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,645 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,645 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,645 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,645 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,646 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,646 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,646 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,646 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,646 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,647 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,647 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,647 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,647 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,647 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,648 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,648 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,648 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,648 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,648 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,649 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,649 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,649 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,649 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,649 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,649 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,650 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,650 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,650 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,650 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,650 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,651 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,651 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,651 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,651 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,651 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,651 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,652 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,652 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,652 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,652 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,652 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,653 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,653 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,653 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,653 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,653 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,654 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,654 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,654 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,654 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,654 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,654 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,655 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,655 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,655 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,655 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,655 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,656 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,656 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,656 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,656 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,656 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,657 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,657 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,657 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,657 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,657 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,658 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,658 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,658 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,658 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,658 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,658 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,659 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,659 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,659 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,659 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,659 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,660 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,660 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,660 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,660 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,660 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,661 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,661 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,661 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,661 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,661 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,662 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,662 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,662 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,662 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,662 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,662 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,663 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,663 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,663 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,663 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,663 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,664 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,664 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,664 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,664 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,664 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,665 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,665 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,665 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,665 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,665 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,666 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,666 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,666 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,666 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,666 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,667 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,667 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,667 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,667 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,667 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,667 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,668 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,668 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,668 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,668 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,668 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,669 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,669 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,669 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,669 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,669 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,670 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,670 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,670 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,670 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,671 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,671 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2020-07-28 21:36:30,671 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:36:30,671 INFO L82 GeneralOperation]: Start isEquivalent. First operand 146 states. Second operand 146 states. [2020-07-28 21:36:30,672 INFO L74 IsIncluded]: Start isIncluded. First operand 146 states. Second operand 146 states. [2020-07-28 21:36:30,672 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 146 states. [2020-07-28 21:36:30,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:36:30,679 INFO L93 Difference]: Finished difference Result 146 states and 370 transitions. [2020-07-28 21:36:30,679 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 370 transitions. [2020-07-28 21:36:30,679 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:36:30,680 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:36:30,680 INFO L74 IsIncluded]: Start isIncluded. First operand 146 states. Second operand 146 states. [2020-07-28 21:36:30,680 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 146 states. [2020-07-28 21:36:30,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:36:30,687 INFO L93 Difference]: Finished difference Result 146 states and 370 transitions. [2020-07-28 21:36:30,687 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 370 transitions. [2020-07-28 21:36:30,688 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:36:30,688 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:36:30,688 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:36:30,688 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:36:30,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-07-28 21:36:30,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 370 transitions. [2020-07-28 21:36:30,695 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 370 transitions. Word has length 10 [2020-07-28 21:36:30,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:36:30,695 INFO L479 AbstractCegarLoop]: Abstraction has 146 states and 370 transitions. [2020-07-28 21:36:30,695 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 21:36:30,695 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 370 transitions. [2020-07-28 21:36:30,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-07-28 21:36:30,696 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:36:30,696 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:36:30,696 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 21:36:30,696 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:36:30,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:36:30,697 INFO L82 PathProgramCache]: Analyzing trace with hash 1306080051, now seen corresponding path program 1 times [2020-07-28 21:36:30,697 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:36:30,697 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625908451] [2020-07-28 21:36:30,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:36:30,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:36:30,780 INFO L280 TraceCheckUtils]: 0: Hoare triple {3793#true} [213] ULTIMATE.startENTRY-->L761: Formula: (let ((.cse0 (store |v_#valid_48| 0 0))) (and (= 0 v_~__unbuffered_p2_EAX~0_24) (= 0 |v_#NULL.base_5|) (= |v_#valid_46| (store .cse0 |v_ULTIMATE.start_main_~#t2195~0.base_15| 1)) (= |v_#length_21| (store |v_#length_22| |v_ULTIMATE.start_main_~#t2195~0.base_15| 4)) (= 0 v_~main$tmp_guard1~0_24) (= v_~__unbuffered_cnt~0_140 0) (= 0 v_~main$tmp_guard0~0_32) (= 0 |v_#NULL.offset_5|) (= 0 v_~x~0_38) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t2195~0.base_15|)) (= (store |v_#memory_int_20| |v_ULTIMATE.start_main_~#t2195~0.base_15| (store (select |v_#memory_int_20| |v_ULTIMATE.start_main_~#t2195~0.base_15|) |v_ULTIMATE.start_main_~#t2195~0.offset_13| 0)) |v_#memory_int_19|) (= 0 v_~y~0_33) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2195~0.base_15|) (< 0 |v_#StackHeapBarrier_15|) (= 0 |v_ULTIMATE.start_main_~#t2195~0.offset_13|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_48|, #memory_int=|v_#memory_int_20|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_~#t2195~0.offset=|v_ULTIMATE.start_main_~#t2195~0.offset_13|, ULTIMATE.start_main_~#t2195~0.base=|v_ULTIMATE.start_main_~#t2195~0.base_15|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_24|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_~#t2197~0.offset=|v_ULTIMATE.start_main_~#t2197~0.offset_14|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, #NULL.offset=|v_#NULL.offset_5|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_24, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_32, #NULL.base=|v_#NULL.base_5|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ULTIMATE.start_main_~#t2196~0.base=|v_ULTIMATE.start_main_~#t2196~0.base_17|, ULTIMATE.start_main_~#t2196~0.offset=|v_ULTIMATE.start_main_~#t2196~0.offset_14|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_14|, #valid=|v_#valid_46|, #memory_int=|v_#memory_int_19|, #length=|v_#length_21|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_24, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_140, ULTIMATE.start_main_~#t2197~0.base=|v_ULTIMATE.start_main_~#t2197~0.base_16|, ~y~0=v_~y~0_33, ~x~0=v_~x~0_38} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2195~0.offset, ULTIMATE.start_main_~#t2195~0.base, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~#t2197~0.offset, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t2196~0.base, ULTIMATE.start_main_~#t2196~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ULTIMATE.start_main_~#t2197~0.base, ~y~0, ~x~0] {3795#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:36:30,781 INFO L280 TraceCheckUtils]: 1: Hoare triple {3795#(= 0 ~__unbuffered_cnt~0)} [162] L761-->P0ENTRY: Formula: (and (= 0 |v_P0Thread1of1ForFork2_#in~arg.offset_3|) (= 0 v_P0Thread1of1ForFork2_thidvar0_2) (= 0 |v_P0Thread1of1ForFork2_#in~arg.base_3|)) InVars {} OutVars{P0Thread1of1ForFork2_#in~arg.offset=|v_P0Thread1of1ForFork2_#in~arg.offset_3|, P0Thread1of1ForFork2_~arg.offset=v_P0Thread1of1ForFork2_~arg.offset_3, P0Thread1of1ForFork2_#res.offset=|v_P0Thread1of1ForFork2_#res.offset_3|, P0Thread1of1ForFork2_#in~arg.base=|v_P0Thread1of1ForFork2_#in~arg.base_3|, P0Thread1of1ForFork2_#res.base=|v_P0Thread1of1ForFork2_#res.base_3|, P0Thread1of1ForFork2_thidvar0=v_P0Thread1of1ForFork2_thidvar0_2, P0Thread1of1ForFork2_~arg.base=v_P0Thread1of1ForFork2_~arg.base_3} AuxVars[] AssignedVars[P0Thread1of1ForFork2_#in~arg.offset, P0Thread1of1ForFork2_~arg.offset, P0Thread1of1ForFork2_#res.offset, P0Thread1of1ForFork2_#in~arg.base, P0Thread1of1ForFork2_#res.base, P0Thread1of1ForFork2_thidvar0, P0Thread1of1ForFork2_~arg.base] {3795#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:36:30,782 INFO L280 TraceCheckUtils]: 2: Hoare triple {3795#(= 0 ~__unbuffered_cnt~0)} [163] P0ENTRY-->L711: Formula: (and (= v_P0Thread1of1ForFork2_~arg.base_4 |v_P0Thread1of1ForFork2_#in~arg.base_4|) (= 2 v_~y~0_5) (= v_P0Thread1of1ForFork2_~arg.offset_4 |v_P0Thread1of1ForFork2_#in~arg.offset_4|)) InVars {P0Thread1of1ForFork2_#in~arg.offset=|v_P0Thread1of1ForFork2_#in~arg.offset_4|, P0Thread1of1ForFork2_#in~arg.base=|v_P0Thread1of1ForFork2_#in~arg.base_4|} OutVars{P0Thread1of1ForFork2_#in~arg.offset=|v_P0Thread1of1ForFork2_#in~arg.offset_4|, P0Thread1of1ForFork2_~arg.offset=v_P0Thread1of1ForFork2_~arg.offset_4, P0Thread1of1ForFork2_#in~arg.base=|v_P0Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_5, P0Thread1of1ForFork2_~arg.base=v_P0Thread1of1ForFork2_~arg.base_4} AuxVars[] AssignedVars[P0Thread1of1ForFork2_~arg.offset, ~y~0, P0Thread1of1ForFork2_~arg.base] {3795#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:36:30,783 INFO L280 TraceCheckUtils]: 3: Hoare triple {3795#(= 0 ~__unbuffered_cnt~0)} [203] L761-1-->L763: Formula: (and (= 0 |v_ULTIMATE.start_main_~#t2196~0.offset_11|) (< |v_#StackHeapBarrier_12| |v_ULTIMATE.start_main_~#t2196~0.base_13|) (= |v_#memory_int_15| (store |v_#memory_int_16| |v_ULTIMATE.start_main_~#t2196~0.base_13| (store (select |v_#memory_int_16| |v_ULTIMATE.start_main_~#t2196~0.base_13|) |v_ULTIMATE.start_main_~#t2196~0.offset_11| 1))) (= (select |v_#valid_37| |v_ULTIMATE.start_main_~#t2196~0.base_13|) 0) (not (= 0 |v_ULTIMATE.start_main_~#t2196~0.base_13|)) (= |v_#length_17| (store |v_#length_18| |v_ULTIMATE.start_main_~#t2196~0.base_13| 4)) (= |v_#valid_36| (store |v_#valid_37| |v_ULTIMATE.start_main_~#t2196~0.base_13| 1))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_12|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_16|, #length=|v_#length_18|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_12|, ULTIMATE.start_main_~#t2196~0.base=|v_ULTIMATE.start_main_~#t2196~0.base_13|, ULTIMATE.start_main_~#t2196~0.offset=|v_ULTIMATE.start_main_~#t2196~0.offset_11|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_15|, #length=|v_#length_17|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2196~0.base, ULTIMATE.start_main_~#t2196~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {3795#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:36:30,783 INFO L280 TraceCheckUtils]: 4: Hoare triple {3795#(= 0 ~__unbuffered_cnt~0)} [158] L763-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork0_thidvar0_2) (= 0 |v_P1Thread1of1ForFork0_#in~arg.offset_3|) (= 0 |v_P1Thread1of1ForFork0_#in~arg.base_3|)) InVars {} OutVars{P1Thread1of1ForFork0_~arg.offset=v_P1Thread1of1ForFork0_~arg.offset_3, P1Thread1of1ForFork0_~arg.base=v_P1Thread1of1ForFork0_~arg.base_3, P1Thread1of1ForFork0_thidvar0=v_P1Thread1of1ForFork0_thidvar0_2, P1Thread1of1ForFork0_#in~arg.base=|v_P1Thread1of1ForFork0_#in~arg.base_3|, P1Thread1of1ForFork0_#in~arg.offset=|v_P1Thread1of1ForFork0_#in~arg.offset_3|, P1Thread1of1ForFork0_#res.offset=|v_P1Thread1of1ForFork0_#res.offset_3|, P1Thread1of1ForFork0_#res.base=|v_P1Thread1of1ForFork0_#res.base_3|} AuxVars[] AssignedVars[P1Thread1of1ForFork0_~arg.offset, P1Thread1of1ForFork0_~arg.base, P1Thread1of1ForFork0_thidvar0, P1Thread1of1ForFork0_#in~arg.base, P1Thread1of1ForFork0_#in~arg.offset, P1Thread1of1ForFork0_#res.offset, P1Thread1of1ForFork0_#res.base] {3795#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:36:30,784 INFO L280 TraceCheckUtils]: 5: Hoare triple {3795#(= 0 ~__unbuffered_cnt~0)} [201] L763-1-->L765: Formula: (and (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2197~0.base_12| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2197~0.base_12|) |v_ULTIMATE.start_main_~#t2197~0.offset_11| 2)) |v_#memory_int_13|) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2197~0.base_12|) (= 0 |v_ULTIMATE.start_main_~#t2197~0.offset_11|) (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t2197~0.base_12| 4) |v_#length_15|) (= |v_#valid_34| (store |v_#valid_35| |v_ULTIMATE.start_main_~#t2197~0.base_12| 1)) (not (= 0 |v_ULTIMATE.start_main_~#t2197~0.base_12|)) (= 0 (select |v_#valid_35| |v_ULTIMATE.start_main_~#t2197~0.base_12|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_35|, #memory_int=|v_#memory_int_14|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t2197~0.offset=|v_ULTIMATE.start_main_~#t2197~0.offset_11|, #valid=|v_#valid_34|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_13|, #length=|v_#length_15|, ULTIMATE.start_main_~#t2197~0.base=|v_ULTIMATE.start_main_~#t2197~0.base_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2197~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t2197~0.base] {3795#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:36:30,785 INFO L280 TraceCheckUtils]: 6: Hoare triple {3795#(= 0 ~__unbuffered_cnt~0)} [160] L765-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork1_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork1_thidvar0_2) (= 0 |v_P2Thread1of1ForFork1_#in~arg.base_3|)) InVars {} OutVars{P2Thread1of1ForFork1_#in~arg.offset=|v_P2Thread1of1ForFork1_#in~arg.offset_3|, P2Thread1of1ForFork1_~arg.offset=v_P2Thread1of1ForFork1_~arg.offset_3, P2Thread1of1ForFork1_~arg.base=v_P2Thread1of1ForFork1_~arg.base_3, P2Thread1of1ForFork1_#res.base=|v_P2Thread1of1ForFork1_#res.base_3|, P2Thread1of1ForFork1_#in~arg.base=|v_P2Thread1of1ForFork1_#in~arg.base_3|, P2Thread1of1ForFork1_#res.offset=|v_P2Thread1of1ForFork1_#res.offset_3|, P2Thread1of1ForFork1_thidvar0=v_P2Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P2Thread1of1ForFork1_#in~arg.offset, P2Thread1of1ForFork1_~arg.offset, P2Thread1of1ForFork1_~arg.base, P2Thread1of1ForFork1_#res.base, P2Thread1of1ForFork1_#in~arg.base, P2Thread1of1ForFork1_#res.offset, P2Thread1of1ForFork1_thidvar0] {3795#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:36:30,786 INFO L280 TraceCheckUtils]: 7: Hoare triple {3795#(= 0 ~__unbuffered_cnt~0)} [202] L765-1-->L2: Formula: (and (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond_6| (mod v_~main$tmp_guard0~0_22 256)) (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_96))) (or (and (not .cse0) (= 0 v_~main$tmp_guard0~0_22)) (and (= 1 v_~main$tmp_guard0~0_22) .cse0)))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_96} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_6|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_13, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_14|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_96, ~main$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] {3796#(= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0)} is VALID [2020-07-28 21:36:30,786 INFO L280 TraceCheckUtils]: 8: Hoare triple {3796#(= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0)} [186] P1ENTRY-->L726: Formula: (and (= v_P1Thread1of1ForFork0_~arg.base_4 |v_P1Thread1of1ForFork0_#in~arg.base_4|) (= v_P1Thread1of1ForFork0_~arg.offset_4 |v_P1Thread1of1ForFork0_#in~arg.offset_4|) (= 2 v_~x~0_13)) InVars {P1Thread1of1ForFork0_#in~arg.base=|v_P1Thread1of1ForFork0_#in~arg.base_4|, P1Thread1of1ForFork0_#in~arg.offset=|v_P1Thread1of1ForFork0_#in~arg.offset_4|} OutVars{P1Thread1of1ForFork0_~arg.offset=v_P1Thread1of1ForFork0_~arg.offset_4, P1Thread1of1ForFork0_~arg.base=v_P1Thread1of1ForFork0_~arg.base_4, P1Thread1of1ForFork0_#in~arg.base=|v_P1Thread1of1ForFork0_#in~arg.base_4|, P1Thread1of1ForFork0_#in~arg.offset=|v_P1Thread1of1ForFork0_#in~arg.offset_4|, ~x~0=v_~x~0_13} AuxVars[] AssignedVars[P1Thread1of1ForFork0_~arg.offset, P1Thread1of1ForFork0_~arg.base, ~x~0] {3796#(= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0)} is VALID [2020-07-28 21:36:30,787 INFO L280 TraceCheckUtils]: 9: Hoare triple {3796#(= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0)} [178] P2ENTRY-->L738: Formula: (and (= v_P2Thread1of1ForFork1_~arg.base_4 |v_P2Thread1of1ForFork1_#in~arg.base_4|) (= v_~__unbuffered_p2_EAX~0_8 v_~x~0_11) (= v_P2Thread1of1ForFork1_~arg.offset_4 |v_P2Thread1of1ForFork1_#in~arg.offset_4|)) InVars {P2Thread1of1ForFork1_#in~arg.offset=|v_P2Thread1of1ForFork1_#in~arg.offset_4|, P2Thread1of1ForFork1_#in~arg.base=|v_P2Thread1of1ForFork1_#in~arg.base_4|, ~x~0=v_~x~0_11} OutVars{P2Thread1of1ForFork1_#in~arg.offset=|v_P2Thread1of1ForFork1_#in~arg.offset_4|, P2Thread1of1ForFork1_~arg.offset=v_P2Thread1of1ForFork1_~arg.offset_4, P2Thread1of1ForFork1_~arg.base=v_P2Thread1of1ForFork1_~arg.base_4, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_8, P2Thread1of1ForFork1_#in~arg.base=|v_P2Thread1of1ForFork1_#in~arg.base_4|, ~x~0=v_~x~0_11} AuxVars[] AssignedVars[P2Thread1of1ForFork1_~arg.offset, P2Thread1of1ForFork1_~arg.base, ~__unbuffered_p2_EAX~0] {3796#(= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0)} is VALID [2020-07-28 21:36:30,789 INFO L280 TraceCheckUtils]: 10: Hoare triple {3796#(= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0)} [214] L2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 2 v_~y~0_38) (= 2 v_~__unbuffered_p2_EAX~0_31) (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_19) (= v_ULTIMATE.start_assume_abort_if_not_~cond_30 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (= v_ULTIMATE.start___VERIFIER_assert_~expression_19 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_17|) (= 0 v_~main$tmp_guard1~0_29) (= 2 v_~x~0_43) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_30))) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_31, ~y~0=v_~y~0_38, ~x~0=v_~x~0_43} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_19, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_30, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_29, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_31, ~y~0=v_~y~0_38, ~x~0=v_~x~0_43, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_17|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {3794#false} is VALID [2020-07-28 21:36:30,789 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 21:36:30,789 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625908451] [2020-07-28 21:36:30,790 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:36:30,790 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 21:36:30,790 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016748184] [2020-07-28 21:36:30,790 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-07-28 21:36:30,790 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:36:30,791 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 21:36:30,805 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 21:36:30,805 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 21:36:30,805 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:36:30,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 21:36:30,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 21:36:30,806 INFO L87 Difference]: Start difference. First operand 146 states and 370 transitions. Second operand 4 states. [2020-07-28 21:36:30,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:36:30,916 INFO L93 Difference]: Finished difference Result 167 states and 388 transitions. [2020-07-28 21:36:30,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 21:36:30,916 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-07-28 21:36:30,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:36:30,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:36:30,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 47 transitions. [2020-07-28 21:36:30,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:36:30,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 47 transitions. [2020-07-28 21:36:30,919 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 47 transitions. [2020-07-28 21:36:30,983 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 47 edges. 47 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:36:30,985 INFO L225 Difference]: With dead ends: 167 [2020-07-28 21:36:30,986 INFO L226 Difference]: Without dead ends: 125 [2020-07-28 21:36:30,986 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 21:36:30,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-07-28 21:36:30,990 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,991 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,991 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,991 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,992 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,992 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,992 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,993 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,993 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,993 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,994 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,994 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,994 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,995 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,995 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,995 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,995 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,996 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,996 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,996 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,997 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,997 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,997 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,998 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,998 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,998 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,999 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,999 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:30,999 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,000 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,000 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,000 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,001 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,001 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,001 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,002 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,002 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,002 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,003 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,003 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,003 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,004 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,004 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,004 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,005 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,005 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,005 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,005 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,006 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,006 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,006 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,007 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,007 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,007 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,008 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,008 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,008 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,009 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,009 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,009 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,010 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,010 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,010 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,010 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,011 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,011 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,011 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,012 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,012 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,012 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,013 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,013 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,013 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,014 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,014 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,014 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,015 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,015 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,015 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,015 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,016 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,016 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,016 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,017 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,017 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,017 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,018 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,018 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,018 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,019 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,019 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,019 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,020 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,020 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,020 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,021 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,021 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,021 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,022 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,022 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,022 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,023 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,023 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,023 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,024 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,024 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,024 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,024 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,025 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,025 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,025 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,026 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,026 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,026 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,027 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,027 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,027 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,028 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,028 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,028 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,029 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,029 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,029 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,030 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,030 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-07-28 21:36:31,031 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:36:31,031 INFO L82 GeneralOperation]: Start isEquivalent. First operand 125 states. Second operand 125 states. [2020-07-28 21:36:31,031 INFO L74 IsIncluded]: Start isIncluded. First operand 125 states. Second operand 125 states. [2020-07-28 21:36:31,032 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 125 states. [2020-07-28 21:36:31,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:36:31,037 INFO L93 Difference]: Finished difference Result 125 states and 288 transitions. [2020-07-28 21:36:31,037 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 288 transitions. [2020-07-28 21:36:31,038 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:36:31,038 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:36:31,038 INFO L74 IsIncluded]: Start isIncluded. First operand 125 states. Second operand 125 states. [2020-07-28 21:36:31,038 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 125 states. [2020-07-28 21:36:31,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:36:31,045 INFO L93 Difference]: Finished difference Result 125 states and 288 transitions. [2020-07-28 21:36:31,045 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 288 transitions. [2020-07-28 21:36:31,045 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:36:31,046 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:36:31,046 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:36:31,046 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:36:31,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-07-28 21:36:31,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 288 transitions. [2020-07-28 21:36:31,055 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 288 transitions. Word has length 11 [2020-07-28 21:36:31,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:36:31,056 INFO L479 AbstractCegarLoop]: Abstraction has 125 states and 288 transitions. [2020-07-28 21:36:31,056 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 21:36:31,056 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 288 transitions. [2020-07-28 21:36:31,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-28 21:36:31,057 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:36:31,057 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:36:31,057 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 21:36:31,058 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:36:31,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:36:31,058 INFO L82 PathProgramCache]: Analyzing trace with hash 1819207960, now seen corresponding path program 1 times [2020-07-28 21:36:31,059 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:36:31,059 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367294288] [2020-07-28 21:36:31,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:36:31,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:36:31,191 INFO L280 TraceCheckUtils]: 0: Hoare triple {4468#true} [213] ULTIMATE.startENTRY-->L761: Formula: (let ((.cse0 (store |v_#valid_48| 0 0))) (and (= 0 v_~__unbuffered_p2_EAX~0_24) (= 0 |v_#NULL.base_5|) (= |v_#valid_46| (store .cse0 |v_ULTIMATE.start_main_~#t2195~0.base_15| 1)) (= |v_#length_21| (store |v_#length_22| |v_ULTIMATE.start_main_~#t2195~0.base_15| 4)) (= 0 v_~main$tmp_guard1~0_24) (= v_~__unbuffered_cnt~0_140 0) (= 0 v_~main$tmp_guard0~0_32) (= 0 |v_#NULL.offset_5|) (= 0 v_~x~0_38) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t2195~0.base_15|)) (= (store |v_#memory_int_20| |v_ULTIMATE.start_main_~#t2195~0.base_15| (store (select |v_#memory_int_20| |v_ULTIMATE.start_main_~#t2195~0.base_15|) |v_ULTIMATE.start_main_~#t2195~0.offset_13| 0)) |v_#memory_int_19|) (= 0 v_~y~0_33) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2195~0.base_15|) (< 0 |v_#StackHeapBarrier_15|) (= 0 |v_ULTIMATE.start_main_~#t2195~0.offset_13|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_48|, #memory_int=|v_#memory_int_20|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_~#t2195~0.offset=|v_ULTIMATE.start_main_~#t2195~0.offset_13|, ULTIMATE.start_main_~#t2195~0.base=|v_ULTIMATE.start_main_~#t2195~0.base_15|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_24|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_~#t2197~0.offset=|v_ULTIMATE.start_main_~#t2197~0.offset_14|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, #NULL.offset=|v_#NULL.offset_5|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_24, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_32, #NULL.base=|v_#NULL.base_5|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ULTIMATE.start_main_~#t2196~0.base=|v_ULTIMATE.start_main_~#t2196~0.base_17|, ULTIMATE.start_main_~#t2196~0.offset=|v_ULTIMATE.start_main_~#t2196~0.offset_14|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_14|, #valid=|v_#valid_46|, #memory_int=|v_#memory_int_19|, #length=|v_#length_21|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_24, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_140, ULTIMATE.start_main_~#t2197~0.base=|v_ULTIMATE.start_main_~#t2197~0.base_16|, ~y~0=v_~y~0_33, ~x~0=v_~x~0_38} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2195~0.offset, ULTIMATE.start_main_~#t2195~0.base, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~#t2197~0.offset, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t2196~0.base, ULTIMATE.start_main_~#t2196~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ULTIMATE.start_main_~#t2197~0.base, ~y~0, ~x~0] {4470#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:36:31,192 INFO L280 TraceCheckUtils]: 1: Hoare triple {4470#(= 0 ~__unbuffered_cnt~0)} [162] L761-->P0ENTRY: Formula: (and (= 0 |v_P0Thread1of1ForFork2_#in~arg.offset_3|) (= 0 v_P0Thread1of1ForFork2_thidvar0_2) (= 0 |v_P0Thread1of1ForFork2_#in~arg.base_3|)) InVars {} OutVars{P0Thread1of1ForFork2_#in~arg.offset=|v_P0Thread1of1ForFork2_#in~arg.offset_3|, P0Thread1of1ForFork2_~arg.offset=v_P0Thread1of1ForFork2_~arg.offset_3, P0Thread1of1ForFork2_#res.offset=|v_P0Thread1of1ForFork2_#res.offset_3|, P0Thread1of1ForFork2_#in~arg.base=|v_P0Thread1of1ForFork2_#in~arg.base_3|, P0Thread1of1ForFork2_#res.base=|v_P0Thread1of1ForFork2_#res.base_3|, P0Thread1of1ForFork2_thidvar0=v_P0Thread1of1ForFork2_thidvar0_2, P0Thread1of1ForFork2_~arg.base=v_P0Thread1of1ForFork2_~arg.base_3} AuxVars[] AssignedVars[P0Thread1of1ForFork2_#in~arg.offset, P0Thread1of1ForFork2_~arg.offset, P0Thread1of1ForFork2_#res.offset, P0Thread1of1ForFork2_#in~arg.base, P0Thread1of1ForFork2_#res.base, P0Thread1of1ForFork2_thidvar0, P0Thread1of1ForFork2_~arg.base] {4470#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:36:31,193 INFO L280 TraceCheckUtils]: 2: Hoare triple {4470#(= 0 ~__unbuffered_cnt~0)} [163] P0ENTRY-->L711: Formula: (and (= v_P0Thread1of1ForFork2_~arg.base_4 |v_P0Thread1of1ForFork2_#in~arg.base_4|) (= 2 v_~y~0_5) (= v_P0Thread1of1ForFork2_~arg.offset_4 |v_P0Thread1of1ForFork2_#in~arg.offset_4|)) InVars {P0Thread1of1ForFork2_#in~arg.offset=|v_P0Thread1of1ForFork2_#in~arg.offset_4|, P0Thread1of1ForFork2_#in~arg.base=|v_P0Thread1of1ForFork2_#in~arg.base_4|} OutVars{P0Thread1of1ForFork2_#in~arg.offset=|v_P0Thread1of1ForFork2_#in~arg.offset_4|, P0Thread1of1ForFork2_~arg.offset=v_P0Thread1of1ForFork2_~arg.offset_4, P0Thread1of1ForFork2_#in~arg.base=|v_P0Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_5, P0Thread1of1ForFork2_~arg.base=v_P0Thread1of1ForFork2_~arg.base_4} AuxVars[] AssignedVars[P0Thread1of1ForFork2_~arg.offset, ~y~0, P0Thread1of1ForFork2_~arg.base] {4470#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:36:31,194 INFO L280 TraceCheckUtils]: 3: Hoare triple {4470#(= 0 ~__unbuffered_cnt~0)} [203] L761-1-->L763: Formula: (and (= 0 |v_ULTIMATE.start_main_~#t2196~0.offset_11|) (< |v_#StackHeapBarrier_12| |v_ULTIMATE.start_main_~#t2196~0.base_13|) (= |v_#memory_int_15| (store |v_#memory_int_16| |v_ULTIMATE.start_main_~#t2196~0.base_13| (store (select |v_#memory_int_16| |v_ULTIMATE.start_main_~#t2196~0.base_13|) |v_ULTIMATE.start_main_~#t2196~0.offset_11| 1))) (= (select |v_#valid_37| |v_ULTIMATE.start_main_~#t2196~0.base_13|) 0) (not (= 0 |v_ULTIMATE.start_main_~#t2196~0.base_13|)) (= |v_#length_17| (store |v_#length_18| |v_ULTIMATE.start_main_~#t2196~0.base_13| 4)) (= |v_#valid_36| (store |v_#valid_37| |v_ULTIMATE.start_main_~#t2196~0.base_13| 1))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_12|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_16|, #length=|v_#length_18|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_12|, ULTIMATE.start_main_~#t2196~0.base=|v_ULTIMATE.start_main_~#t2196~0.base_13|, ULTIMATE.start_main_~#t2196~0.offset=|v_ULTIMATE.start_main_~#t2196~0.offset_11|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_15|, #length=|v_#length_17|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2196~0.base, ULTIMATE.start_main_~#t2196~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {4470#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:36:31,198 INFO L280 TraceCheckUtils]: 4: Hoare triple {4470#(= 0 ~__unbuffered_cnt~0)} [158] L763-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork0_thidvar0_2) (= 0 |v_P1Thread1of1ForFork0_#in~arg.offset_3|) (= 0 |v_P1Thread1of1ForFork0_#in~arg.base_3|)) InVars {} OutVars{P1Thread1of1ForFork0_~arg.offset=v_P1Thread1of1ForFork0_~arg.offset_3, P1Thread1of1ForFork0_~arg.base=v_P1Thread1of1ForFork0_~arg.base_3, P1Thread1of1ForFork0_thidvar0=v_P1Thread1of1ForFork0_thidvar0_2, P1Thread1of1ForFork0_#in~arg.base=|v_P1Thread1of1ForFork0_#in~arg.base_3|, P1Thread1of1ForFork0_#in~arg.offset=|v_P1Thread1of1ForFork0_#in~arg.offset_3|, P1Thread1of1ForFork0_#res.offset=|v_P1Thread1of1ForFork0_#res.offset_3|, P1Thread1of1ForFork0_#res.base=|v_P1Thread1of1ForFork0_#res.base_3|} AuxVars[] AssignedVars[P1Thread1of1ForFork0_~arg.offset, P1Thread1of1ForFork0_~arg.base, P1Thread1of1ForFork0_thidvar0, P1Thread1of1ForFork0_#in~arg.base, P1Thread1of1ForFork0_#in~arg.offset, P1Thread1of1ForFork0_#res.offset, P1Thread1of1ForFork0_#res.base] {4470#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:36:31,199 INFO L280 TraceCheckUtils]: 5: Hoare triple {4470#(= 0 ~__unbuffered_cnt~0)} [201] L763-1-->L765: Formula: (and (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2197~0.base_12| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2197~0.base_12|) |v_ULTIMATE.start_main_~#t2197~0.offset_11| 2)) |v_#memory_int_13|) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2197~0.base_12|) (= 0 |v_ULTIMATE.start_main_~#t2197~0.offset_11|) (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t2197~0.base_12| 4) |v_#length_15|) (= |v_#valid_34| (store |v_#valid_35| |v_ULTIMATE.start_main_~#t2197~0.base_12| 1)) (not (= 0 |v_ULTIMATE.start_main_~#t2197~0.base_12|)) (= 0 (select |v_#valid_35| |v_ULTIMATE.start_main_~#t2197~0.base_12|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_35|, #memory_int=|v_#memory_int_14|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t2197~0.offset=|v_ULTIMATE.start_main_~#t2197~0.offset_11|, #valid=|v_#valid_34|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_13|, #length=|v_#length_15|, ULTIMATE.start_main_~#t2197~0.base=|v_ULTIMATE.start_main_~#t2197~0.base_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2197~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t2197~0.base] {4470#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:36:31,200 INFO L280 TraceCheckUtils]: 6: Hoare triple {4470#(= 0 ~__unbuffered_cnt~0)} [160] L765-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork1_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork1_thidvar0_2) (= 0 |v_P2Thread1of1ForFork1_#in~arg.base_3|)) InVars {} OutVars{P2Thread1of1ForFork1_#in~arg.offset=|v_P2Thread1of1ForFork1_#in~arg.offset_3|, P2Thread1of1ForFork1_~arg.offset=v_P2Thread1of1ForFork1_~arg.offset_3, P2Thread1of1ForFork1_~arg.base=v_P2Thread1of1ForFork1_~arg.base_3, P2Thread1of1ForFork1_#res.base=|v_P2Thread1of1ForFork1_#res.base_3|, P2Thread1of1ForFork1_#in~arg.base=|v_P2Thread1of1ForFork1_#in~arg.base_3|, P2Thread1of1ForFork1_#res.offset=|v_P2Thread1of1ForFork1_#res.offset_3|, P2Thread1of1ForFork1_thidvar0=v_P2Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P2Thread1of1ForFork1_#in~arg.offset, P2Thread1of1ForFork1_~arg.offset, P2Thread1of1ForFork1_~arg.base, P2Thread1of1ForFork1_#res.base, P2Thread1of1ForFork1_#in~arg.base, P2Thread1of1ForFork1_#res.offset, P2Thread1of1ForFork1_thidvar0] {4470#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:36:31,202 INFO L280 TraceCheckUtils]: 7: Hoare triple {4470#(= 0 ~__unbuffered_cnt~0)} [186] P1ENTRY-->L726: Formula: (and (= v_P1Thread1of1ForFork0_~arg.base_4 |v_P1Thread1of1ForFork0_#in~arg.base_4|) (= v_P1Thread1of1ForFork0_~arg.offset_4 |v_P1Thread1of1ForFork0_#in~arg.offset_4|) (= 2 v_~x~0_13)) InVars {P1Thread1of1ForFork0_#in~arg.base=|v_P1Thread1of1ForFork0_#in~arg.base_4|, P1Thread1of1ForFork0_#in~arg.offset=|v_P1Thread1of1ForFork0_#in~arg.offset_4|} OutVars{P1Thread1of1ForFork0_~arg.offset=v_P1Thread1of1ForFork0_~arg.offset_4, P1Thread1of1ForFork0_~arg.base=v_P1Thread1of1ForFork0_~arg.base_4, P1Thread1of1ForFork0_#in~arg.base=|v_P1Thread1of1ForFork0_#in~arg.base_4|, P1Thread1of1ForFork0_#in~arg.offset=|v_P1Thread1of1ForFork0_#in~arg.offset_4|, ~x~0=v_~x~0_13} AuxVars[] AssignedVars[P1Thread1of1ForFork0_~arg.offset, P1Thread1of1ForFork0_~arg.base, ~x~0] {4470#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:36:31,203 INFO L280 TraceCheckUtils]: 8: Hoare triple {4470#(= 0 ~__unbuffered_cnt~0)} [193] L726-->P1EXIT: Formula: (and (= 0 |v_P1Thread1of1ForFork0_#res.offset_13|) (= v_~__unbuffered_cnt~0_71 (+ v_~__unbuffered_cnt~0_72 1)) (= 0 |v_P1Thread1of1ForFork0_#res.base_13|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_72} OutVars{~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_71, P1Thread1of1ForFork0_#res.offset=|v_P1Thread1of1ForFork0_#res.offset_13|, P1Thread1of1ForFork0_#res.base=|v_P1Thread1of1ForFork0_#res.base_13|} AuxVars[] AssignedVars[~__unbuffered_cnt~0, P1Thread1of1ForFork0_#res.offset, P1Thread1of1ForFork0_#res.base] {4471#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:36:31,204 INFO L280 TraceCheckUtils]: 9: Hoare triple {4471#(<= ~__unbuffered_cnt~0 1)} [178] P2ENTRY-->L738: Formula: (and (= v_P2Thread1of1ForFork1_~arg.base_4 |v_P2Thread1of1ForFork1_#in~arg.base_4|) (= v_~__unbuffered_p2_EAX~0_8 v_~x~0_11) (= v_P2Thread1of1ForFork1_~arg.offset_4 |v_P2Thread1of1ForFork1_#in~arg.offset_4|)) InVars {P2Thread1of1ForFork1_#in~arg.offset=|v_P2Thread1of1ForFork1_#in~arg.offset_4|, P2Thread1of1ForFork1_#in~arg.base=|v_P2Thread1of1ForFork1_#in~arg.base_4|, ~x~0=v_~x~0_11} OutVars{P2Thread1of1ForFork1_#in~arg.offset=|v_P2Thread1of1ForFork1_#in~arg.offset_4|, P2Thread1of1ForFork1_~arg.offset=v_P2Thread1of1ForFork1_~arg.offset_4, P2Thread1of1ForFork1_~arg.base=v_P2Thread1of1ForFork1_~arg.base_4, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_8, P2Thread1of1ForFork1_#in~arg.base=|v_P2Thread1of1ForFork1_#in~arg.base_4|, ~x~0=v_~x~0_11} AuxVars[] AssignedVars[P2Thread1of1ForFork1_~arg.offset, P2Thread1of1ForFork1_~arg.base, ~__unbuffered_p2_EAX~0] {4471#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:36:31,205 INFO L280 TraceCheckUtils]: 10: Hoare triple {4471#(<= ~__unbuffered_cnt~0 1)} [202] L765-1-->L2: Formula: (and (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond_6| (mod v_~main$tmp_guard0~0_22 256)) (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_96))) (or (and (not .cse0) (= 0 v_~main$tmp_guard0~0_22)) (and (= 1 v_~main$tmp_guard0~0_22) .cse0)))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_96} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_6|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_13, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_14|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_96, ~main$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] {4472#(= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0)} is VALID [2020-07-28 21:36:31,206 INFO L280 TraceCheckUtils]: 11: Hoare triple {4472#(= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0)} [214] L2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 2 v_~y~0_38) (= 2 v_~__unbuffered_p2_EAX~0_31) (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_19) (= v_ULTIMATE.start_assume_abort_if_not_~cond_30 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (= v_ULTIMATE.start___VERIFIER_assert_~expression_19 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_17|) (= 0 v_~main$tmp_guard1~0_29) (= 2 v_~x~0_43) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_30))) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_31, ~y~0=v_~y~0_38, ~x~0=v_~x~0_43} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_19, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_30, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_29, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_31, ~y~0=v_~y~0_38, ~x~0=v_~x~0_43, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_17|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {4469#false} is VALID [2020-07-28 21:36:31,209 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 21:36:31,210 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367294288] [2020-07-28 21:36:31,210 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:36:31,210 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 21:36:31,210 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134943138] [2020-07-28 21:36:31,211 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-07-28 21:36:31,211 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:36:31,211 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 21:36:31,236 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 21:36:31,237 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 21:36:31,237 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:36:31,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 21:36:31,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-28 21:36:31,238 INFO L87 Difference]: Start difference. First operand 125 states and 288 transitions. Second operand 5 states. [2020-07-28 21:36:31,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:36:31,385 INFO L93 Difference]: Finished difference Result 121 states and 257 transitions. [2020-07-28 21:36:31,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 21:36:31,385 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-07-28 21:36:31,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:36:31,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:36:31,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 57 transitions. [2020-07-28 21:36:31,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:36:31,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 57 transitions. [2020-07-28 21:36:31,389 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 57 transitions. [2020-07-28 21:36:31,468 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 57 edges. 57 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:36:31,469 INFO L225 Difference]: With dead ends: 121 [2020-07-28 21:36:31,470 INFO L226 Difference]: Without dead ends: 93 [2020-07-28 21:36:31,470 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 21:36:31,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-07-28 21:36:31,494 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,495 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,495 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,495 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,495 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,495 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,496 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,496 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,496 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,496 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,496 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,497 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,497 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,497 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,497 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,497 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,497 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,498 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,498 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,498 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,498 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,498 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,499 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,499 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,499 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,499 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,499 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,499 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,500 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,500 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,500 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,500 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,500 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,501 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,501 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,501 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,501 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,501 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,502 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,502 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,502 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,502 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,502 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,503 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,503 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,503 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,503 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,503 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,503 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,504 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,504 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,504 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,504 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,504 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,505 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,505 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,505 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,505 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,505 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,506 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,506 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,506 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,506 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,506 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,506 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,507 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,507 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,507 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,507 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,507 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,508 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,508 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,508 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,508 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,508 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,508 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,509 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,509 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,509 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,509 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,509 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,510 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,510 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,510 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,510 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,510 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,511 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,511 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,511 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,511 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,512 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,512 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,512 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2020-07-28 21:36:31,512 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:36:31,512 INFO L82 GeneralOperation]: Start isEquivalent. First operand 93 states. Second operand 93 states. [2020-07-28 21:36:31,513 INFO L74 IsIncluded]: Start isIncluded. First operand 93 states. Second operand 93 states. [2020-07-28 21:36:31,513 INFO L87 Difference]: Start difference. First operand 93 states. Second operand 93 states. [2020-07-28 21:36:31,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:36:31,516 INFO L93 Difference]: Finished difference Result 93 states and 192 transitions. [2020-07-28 21:36:31,516 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 192 transitions. [2020-07-28 21:36:31,516 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:36:31,516 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:36:31,516 INFO L74 IsIncluded]: Start isIncluded. First operand 93 states. Second operand 93 states. [2020-07-28 21:36:31,516 INFO L87 Difference]: Start difference. First operand 93 states. Second operand 93 states. [2020-07-28 21:36:31,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:36:31,519 INFO L93 Difference]: Finished difference Result 93 states and 192 transitions. [2020-07-28 21:36:31,519 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 192 transitions. [2020-07-28 21:36:31,519 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:36:31,519 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:36:31,519 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:36:31,520 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:36:31,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-07-28 21:36:31,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 192 transitions. [2020-07-28 21:36:31,522 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 192 transitions. Word has length 12 [2020-07-28 21:36:31,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:36:31,522 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 192 transitions. [2020-07-28 21:36:31,522 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 21:36:31,522 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 192 transitions. [2020-07-28 21:36:31,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-07-28 21:36:31,523 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:36:31,523 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:36:31,523 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 21:36:31,523 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:36:31,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:36:31,524 INFO L82 PathProgramCache]: Analyzing trace with hash 589619789, now seen corresponding path program 1 times [2020-07-28 21:36:31,524 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:36:31,524 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183035099] [2020-07-28 21:36:31,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:36:31,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:36:31,557 INFO L280 TraceCheckUtils]: 0: Hoare triple {4970#true} [213] ULTIMATE.startENTRY-->L761: Formula: (let ((.cse0 (store |v_#valid_48| 0 0))) (and (= 0 v_~__unbuffered_p2_EAX~0_24) (= 0 |v_#NULL.base_5|) (= |v_#valid_46| (store .cse0 |v_ULTIMATE.start_main_~#t2195~0.base_15| 1)) (= |v_#length_21| (store |v_#length_22| |v_ULTIMATE.start_main_~#t2195~0.base_15| 4)) (= 0 v_~main$tmp_guard1~0_24) (= v_~__unbuffered_cnt~0_140 0) (= 0 v_~main$tmp_guard0~0_32) (= 0 |v_#NULL.offset_5|) (= 0 v_~x~0_38) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t2195~0.base_15|)) (= (store |v_#memory_int_20| |v_ULTIMATE.start_main_~#t2195~0.base_15| (store (select |v_#memory_int_20| |v_ULTIMATE.start_main_~#t2195~0.base_15|) |v_ULTIMATE.start_main_~#t2195~0.offset_13| 0)) |v_#memory_int_19|) (= 0 v_~y~0_33) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2195~0.base_15|) (< 0 |v_#StackHeapBarrier_15|) (= 0 |v_ULTIMATE.start_main_~#t2195~0.offset_13|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_48|, #memory_int=|v_#memory_int_20|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_~#t2195~0.offset=|v_ULTIMATE.start_main_~#t2195~0.offset_13|, ULTIMATE.start_main_~#t2195~0.base=|v_ULTIMATE.start_main_~#t2195~0.base_15|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_24|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_~#t2197~0.offset=|v_ULTIMATE.start_main_~#t2197~0.offset_14|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, #NULL.offset=|v_#NULL.offset_5|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_24, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_32, #NULL.base=|v_#NULL.base_5|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ULTIMATE.start_main_~#t2196~0.base=|v_ULTIMATE.start_main_~#t2196~0.base_17|, ULTIMATE.start_main_~#t2196~0.offset=|v_ULTIMATE.start_main_~#t2196~0.offset_14|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_14|, #valid=|v_#valid_46|, #memory_int=|v_#memory_int_19|, #length=|v_#length_21|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_24, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_140, ULTIMATE.start_main_~#t2197~0.base=|v_ULTIMATE.start_main_~#t2197~0.base_16|, ~y~0=v_~y~0_33, ~x~0=v_~x~0_38} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2195~0.offset, ULTIMATE.start_main_~#t2195~0.base, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~#t2197~0.offset, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t2196~0.base, ULTIMATE.start_main_~#t2196~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ULTIMATE.start_main_~#t2197~0.base, ~y~0, ~x~0] {4970#true} is VALID [2020-07-28 21:36:31,558 INFO L280 TraceCheckUtils]: 1: Hoare triple {4970#true} [162] L761-->P0ENTRY: Formula: (and (= 0 |v_P0Thread1of1ForFork2_#in~arg.offset_3|) (= 0 v_P0Thread1of1ForFork2_thidvar0_2) (= 0 |v_P0Thread1of1ForFork2_#in~arg.base_3|)) InVars {} OutVars{P0Thread1of1ForFork2_#in~arg.offset=|v_P0Thread1of1ForFork2_#in~arg.offset_3|, P0Thread1of1ForFork2_~arg.offset=v_P0Thread1of1ForFork2_~arg.offset_3, P0Thread1of1ForFork2_#res.offset=|v_P0Thread1of1ForFork2_#res.offset_3|, P0Thread1of1ForFork2_#in~arg.base=|v_P0Thread1of1ForFork2_#in~arg.base_3|, P0Thread1of1ForFork2_#res.base=|v_P0Thread1of1ForFork2_#res.base_3|, P0Thread1of1ForFork2_thidvar0=v_P0Thread1of1ForFork2_thidvar0_2, P0Thread1of1ForFork2_~arg.base=v_P0Thread1of1ForFork2_~arg.base_3} AuxVars[] AssignedVars[P0Thread1of1ForFork2_#in~arg.offset, P0Thread1of1ForFork2_~arg.offset, P0Thread1of1ForFork2_#res.offset, P0Thread1of1ForFork2_#in~arg.base, P0Thread1of1ForFork2_#res.base, P0Thread1of1ForFork2_thidvar0, P0Thread1of1ForFork2_~arg.base] {4970#true} is VALID [2020-07-28 21:36:31,558 INFO L280 TraceCheckUtils]: 2: Hoare triple {4970#true} [203] L761-1-->L763: Formula: (and (= 0 |v_ULTIMATE.start_main_~#t2196~0.offset_11|) (< |v_#StackHeapBarrier_12| |v_ULTIMATE.start_main_~#t2196~0.base_13|) (= |v_#memory_int_15| (store |v_#memory_int_16| |v_ULTIMATE.start_main_~#t2196~0.base_13| (store (select |v_#memory_int_16| |v_ULTIMATE.start_main_~#t2196~0.base_13|) |v_ULTIMATE.start_main_~#t2196~0.offset_11| 1))) (= (select |v_#valid_37| |v_ULTIMATE.start_main_~#t2196~0.base_13|) 0) (not (= 0 |v_ULTIMATE.start_main_~#t2196~0.base_13|)) (= |v_#length_17| (store |v_#length_18| |v_ULTIMATE.start_main_~#t2196~0.base_13| 4)) (= |v_#valid_36| (store |v_#valid_37| |v_ULTIMATE.start_main_~#t2196~0.base_13| 1))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_12|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_16|, #length=|v_#length_18|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_12|, ULTIMATE.start_main_~#t2196~0.base=|v_ULTIMATE.start_main_~#t2196~0.base_13|, ULTIMATE.start_main_~#t2196~0.offset=|v_ULTIMATE.start_main_~#t2196~0.offset_11|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_15|, #length=|v_#length_17|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2196~0.base, ULTIMATE.start_main_~#t2196~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {4970#true} is VALID [2020-07-28 21:36:31,558 INFO L280 TraceCheckUtils]: 3: Hoare triple {4970#true} [158] L763-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork0_thidvar0_2) (= 0 |v_P1Thread1of1ForFork0_#in~arg.offset_3|) (= 0 |v_P1Thread1of1ForFork0_#in~arg.base_3|)) InVars {} OutVars{P1Thread1of1ForFork0_~arg.offset=v_P1Thread1of1ForFork0_~arg.offset_3, P1Thread1of1ForFork0_~arg.base=v_P1Thread1of1ForFork0_~arg.base_3, P1Thread1of1ForFork0_thidvar0=v_P1Thread1of1ForFork0_thidvar0_2, P1Thread1of1ForFork0_#in~arg.base=|v_P1Thread1of1ForFork0_#in~arg.base_3|, P1Thread1of1ForFork0_#in~arg.offset=|v_P1Thread1of1ForFork0_#in~arg.offset_3|, P1Thread1of1ForFork0_#res.offset=|v_P1Thread1of1ForFork0_#res.offset_3|, P1Thread1of1ForFork0_#res.base=|v_P1Thread1of1ForFork0_#res.base_3|} AuxVars[] AssignedVars[P1Thread1of1ForFork0_~arg.offset, P1Thread1of1ForFork0_~arg.base, P1Thread1of1ForFork0_thidvar0, P1Thread1of1ForFork0_#in~arg.base, P1Thread1of1ForFork0_#in~arg.offset, P1Thread1of1ForFork0_#res.offset, P1Thread1of1ForFork0_#res.base] {4970#true} is VALID [2020-07-28 21:36:31,559 INFO L280 TraceCheckUtils]: 4: Hoare triple {4970#true} [201] L763-1-->L765: Formula: (and (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2197~0.base_12| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2197~0.base_12|) |v_ULTIMATE.start_main_~#t2197~0.offset_11| 2)) |v_#memory_int_13|) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2197~0.base_12|) (= 0 |v_ULTIMATE.start_main_~#t2197~0.offset_11|) (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t2197~0.base_12| 4) |v_#length_15|) (= |v_#valid_34| (store |v_#valid_35| |v_ULTIMATE.start_main_~#t2197~0.base_12| 1)) (not (= 0 |v_ULTIMATE.start_main_~#t2197~0.base_12|)) (= 0 (select |v_#valid_35| |v_ULTIMATE.start_main_~#t2197~0.base_12|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_35|, #memory_int=|v_#memory_int_14|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t2197~0.offset=|v_ULTIMATE.start_main_~#t2197~0.offset_11|, #valid=|v_#valid_34|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_13|, #length=|v_#length_15|, ULTIMATE.start_main_~#t2197~0.base=|v_ULTIMATE.start_main_~#t2197~0.base_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2197~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t2197~0.base] {4970#true} is VALID [2020-07-28 21:36:31,559 INFO L280 TraceCheckUtils]: 5: Hoare triple {4970#true} [160] L765-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork1_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork1_thidvar0_2) (= 0 |v_P2Thread1of1ForFork1_#in~arg.base_3|)) InVars {} OutVars{P2Thread1of1ForFork1_#in~arg.offset=|v_P2Thread1of1ForFork1_#in~arg.offset_3|, P2Thread1of1ForFork1_~arg.offset=v_P2Thread1of1ForFork1_~arg.offset_3, P2Thread1of1ForFork1_~arg.base=v_P2Thread1of1ForFork1_~arg.base_3, P2Thread1of1ForFork1_#res.base=|v_P2Thread1of1ForFork1_#res.base_3|, P2Thread1of1ForFork1_#in~arg.base=|v_P2Thread1of1ForFork1_#in~arg.base_3|, P2Thread1of1ForFork1_#res.offset=|v_P2Thread1of1ForFork1_#res.offset_3|, P2Thread1of1ForFork1_thidvar0=v_P2Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P2Thread1of1ForFork1_#in~arg.offset, P2Thread1of1ForFork1_~arg.offset, P2Thread1of1ForFork1_~arg.base, P2Thread1of1ForFork1_#res.base, P2Thread1of1ForFork1_#in~arg.base, P2Thread1of1ForFork1_#res.offset, P2Thread1of1ForFork1_thidvar0] {4970#true} is VALID [2020-07-28 21:36:31,559 INFO L280 TraceCheckUtils]: 6: Hoare triple {4970#true} [186] P1ENTRY-->L726: Formula: (and (= v_P1Thread1of1ForFork0_~arg.base_4 |v_P1Thread1of1ForFork0_#in~arg.base_4|) (= v_P1Thread1of1ForFork0_~arg.offset_4 |v_P1Thread1of1ForFork0_#in~arg.offset_4|) (= 2 v_~x~0_13)) InVars {P1Thread1of1ForFork0_#in~arg.base=|v_P1Thread1of1ForFork0_#in~arg.base_4|, P1Thread1of1ForFork0_#in~arg.offset=|v_P1Thread1of1ForFork0_#in~arg.offset_4|} OutVars{P1Thread1of1ForFork0_~arg.offset=v_P1Thread1of1ForFork0_~arg.offset_4, P1Thread1of1ForFork0_~arg.base=v_P1Thread1of1ForFork0_~arg.base_4, P1Thread1of1ForFork0_#in~arg.base=|v_P1Thread1of1ForFork0_#in~arg.base_4|, P1Thread1of1ForFork0_#in~arg.offset=|v_P1Thread1of1ForFork0_#in~arg.offset_4|, ~x~0=v_~x~0_13} AuxVars[] AssignedVars[P1Thread1of1ForFork0_~arg.offset, P1Thread1of1ForFork0_~arg.base, ~x~0] {4970#true} is VALID [2020-07-28 21:36:31,560 INFO L280 TraceCheckUtils]: 7: Hoare triple {4970#true} [193] L726-->P1EXIT: Formula: (and (= 0 |v_P1Thread1of1ForFork0_#res.offset_13|) (= v_~__unbuffered_cnt~0_71 (+ v_~__unbuffered_cnt~0_72 1)) (= 0 |v_P1Thread1of1ForFork0_#res.base_13|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_72} OutVars{~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_71, P1Thread1of1ForFork0_#res.offset=|v_P1Thread1of1ForFork0_#res.offset_13|, P1Thread1of1ForFork0_#res.base=|v_P1Thread1of1ForFork0_#res.base_13|} AuxVars[] AssignedVars[~__unbuffered_cnt~0, P1Thread1of1ForFork0_#res.offset, P1Thread1of1ForFork0_#res.base] {4970#true} is VALID [2020-07-28 21:36:31,560 INFO L280 TraceCheckUtils]: 8: Hoare triple {4970#true} [178] P2ENTRY-->L738: Formula: (and (= v_P2Thread1of1ForFork1_~arg.base_4 |v_P2Thread1of1ForFork1_#in~arg.base_4|) (= v_~__unbuffered_p2_EAX~0_8 v_~x~0_11) (= v_P2Thread1of1ForFork1_~arg.offset_4 |v_P2Thread1of1ForFork1_#in~arg.offset_4|)) InVars {P2Thread1of1ForFork1_#in~arg.offset=|v_P2Thread1of1ForFork1_#in~arg.offset_4|, P2Thread1of1ForFork1_#in~arg.base=|v_P2Thread1of1ForFork1_#in~arg.base_4|, ~x~0=v_~x~0_11} OutVars{P2Thread1of1ForFork1_#in~arg.offset=|v_P2Thread1of1ForFork1_#in~arg.offset_4|, P2Thread1of1ForFork1_~arg.offset=v_P2Thread1of1ForFork1_~arg.offset_4, P2Thread1of1ForFork1_~arg.base=v_P2Thread1of1ForFork1_~arg.base_4, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_8, P2Thread1of1ForFork1_#in~arg.base=|v_P2Thread1of1ForFork1_#in~arg.base_4|, ~x~0=v_~x~0_11} AuxVars[] AssignedVars[P2Thread1of1ForFork1_~arg.offset, P2Thread1of1ForFork1_~arg.base, ~__unbuffered_p2_EAX~0] {4970#true} is VALID [2020-07-28 21:36:31,561 INFO L280 TraceCheckUtils]: 9: Hoare triple {4970#true} [153] L738-->L741: Formula: (= v_~y~0_2 1) InVars {} OutVars{~y~0=v_~y~0_2} AuxVars[] AssignedVars[~y~0] {4972#(= 1 ~y~0)} is VALID [2020-07-28 21:36:31,561 INFO L280 TraceCheckUtils]: 10: Hoare triple {4972#(= 1 ~y~0)} [199] L741-->P2EXIT: Formula: (and (= 0 |v_P2Thread1of1ForFork1_#res.offset_11|) (= (+ v_~__unbuffered_cnt~0_91 1) v_~__unbuffered_cnt~0_90) (= 0 |v_P2Thread1of1ForFork1_#res.base_11|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_91} OutVars{P2Thread1of1ForFork1_#res.base=|v_P2Thread1of1ForFork1_#res.base_11|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_90, P2Thread1of1ForFork1_#res.offset=|v_P2Thread1of1ForFork1_#res.offset_11|} AuxVars[] AssignedVars[P2Thread1of1ForFork1_#res.base, ~__unbuffered_cnt~0, P2Thread1of1ForFork1_#res.offset] {4972#(= 1 ~y~0)} is VALID [2020-07-28 21:36:31,562 INFO L280 TraceCheckUtils]: 11: Hoare triple {4972#(= 1 ~y~0)} [202] L765-1-->L2: Formula: (and (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond_6| (mod v_~main$tmp_guard0~0_22 256)) (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_96))) (or (and (not .cse0) (= 0 v_~main$tmp_guard0~0_22)) (and (= 1 v_~main$tmp_guard0~0_22) .cse0)))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_96} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_6|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_13, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_14|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_96, ~main$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] {4972#(= 1 ~y~0)} is VALID [2020-07-28 21:36:31,563 INFO L280 TraceCheckUtils]: 12: Hoare triple {4972#(= 1 ~y~0)} [214] L2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 2 v_~y~0_38) (= 2 v_~__unbuffered_p2_EAX~0_31) (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_19) (= v_ULTIMATE.start_assume_abort_if_not_~cond_30 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (= v_ULTIMATE.start___VERIFIER_assert_~expression_19 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_17|) (= 0 v_~main$tmp_guard1~0_29) (= 2 v_~x~0_43) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_30))) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_31, ~y~0=v_~y~0_38, ~x~0=v_~x~0_43} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_19, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_30, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_29, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_31, ~y~0=v_~y~0_38, ~x~0=v_~x~0_43, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_17|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {4971#false} is VALID [2020-07-28 21:36:31,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 21:36:31,563 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183035099] [2020-07-28 21:36:31,564 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:36:31,564 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 21:36:31,564 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177599861] [2020-07-28 21:36:31,564 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-07-28 21:36:31,565 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:36:31,565 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 21:36:31,577 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 21:36:31,578 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 21:36:31,578 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:36:31,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 21:36:31,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 21:36:31,578 INFO L87 Difference]: Start difference. First operand 93 states and 192 transitions. Second operand 3 states. [2020-07-28 21:36:31,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:36:31,615 INFO L93 Difference]: Finished difference Result 110 states and 218 transitions. [2020-07-28 21:36:31,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 21:36:31,615 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-07-28 21:36:31,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:36:31,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 21:36:31,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 24 transitions. [2020-07-28 21:36:31,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 21:36:31,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 24 transitions. [2020-07-28 21:36:31,617 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 24 transitions. [2020-07-28 21:36:31,643 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:36:31,644 INFO L225 Difference]: With dead ends: 110 [2020-07-28 21:36:31,644 INFO L226 Difference]: Without dead ends: 88 [2020-07-28 21:36:31,645 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 21:36:31,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2020-07-28 21:36:31,646 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,647 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,647 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,647 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,647 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,647 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,647 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,648 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,648 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,648 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,648 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,648 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,649 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,649 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,649 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,649 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,649 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,650 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,650 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,650 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,650 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,650 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,650 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,651 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,651 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,651 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,651 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,651 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,652 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,652 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,652 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,652 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,652 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,652 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,653 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,653 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,653 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,653 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,653 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,653 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,654 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,654 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,654 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,654 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,654 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,655 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,655 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,655 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,655 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,655 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,656 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,656 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,656 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,656 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,656 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,656 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,657 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,657 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,657 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,657 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,657 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,658 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,658 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,658 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,658 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,658 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,658 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,659 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,659 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,659 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,659 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,659 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,660 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,660 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,660 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,660 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,660 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,660 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,661 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,661 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,661 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,661 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,661 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,662 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,662 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,662 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 86. [2020-07-28 21:36:31,662 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:36:31,663 INFO L82 GeneralOperation]: Start isEquivalent. First operand 88 states. Second operand 86 states. [2020-07-28 21:36:31,663 INFO L74 IsIncluded]: Start isIncluded. First operand 88 states. Second operand 86 states. [2020-07-28 21:36:31,663 INFO L87 Difference]: Start difference. First operand 88 states. Second operand 86 states. [2020-07-28 21:36:31,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:36:31,665 INFO L93 Difference]: Finished difference Result 88 states and 170 transitions. [2020-07-28 21:36:31,665 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 170 transitions. [2020-07-28 21:36:31,666 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:36:31,666 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:36:31,666 INFO L74 IsIncluded]: Start isIncluded. First operand 86 states. Second operand 88 states. [2020-07-28 21:36:31,666 INFO L87 Difference]: Start difference. First operand 86 states. Second operand 88 states. [2020-07-28 21:36:31,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:36:31,668 INFO L93 Difference]: Finished difference Result 88 states and 170 transitions. [2020-07-28 21:36:31,668 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 170 transitions. [2020-07-28 21:36:31,669 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:36:31,669 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:36:31,669 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:36:31,669 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:36:31,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-07-28 21:36:31,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 169 transitions. [2020-07-28 21:36:31,671 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 169 transitions. Word has length 13 [2020-07-28 21:36:31,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:36:31,671 INFO L479 AbstractCegarLoop]: Abstraction has 86 states and 169 transitions. [2020-07-28 21:36:31,672 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 21:36:31,672 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 169 transitions. [2020-07-28 21:36:31,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-07-28 21:36:31,672 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:36:31,672 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:36:31,673 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-28 21:36:31,673 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:36:31,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:36:31,673 INFO L82 PathProgramCache]: Analyzing trace with hash 205369494, now seen corresponding path program 1 times [2020-07-28 21:36:31,673 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:36:31,673 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036258521] [2020-07-28 21:36:31,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:36:31,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:36:31,708 INFO L280 TraceCheckUtils]: 0: Hoare triple {5433#true} [213] ULTIMATE.startENTRY-->L761: Formula: (let ((.cse0 (store |v_#valid_48| 0 0))) (and (= 0 v_~__unbuffered_p2_EAX~0_24) (= 0 |v_#NULL.base_5|) (= |v_#valid_46| (store .cse0 |v_ULTIMATE.start_main_~#t2195~0.base_15| 1)) (= |v_#length_21| (store |v_#length_22| |v_ULTIMATE.start_main_~#t2195~0.base_15| 4)) (= 0 v_~main$tmp_guard1~0_24) (= v_~__unbuffered_cnt~0_140 0) (= 0 v_~main$tmp_guard0~0_32) (= 0 |v_#NULL.offset_5|) (= 0 v_~x~0_38) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t2195~0.base_15|)) (= (store |v_#memory_int_20| |v_ULTIMATE.start_main_~#t2195~0.base_15| (store (select |v_#memory_int_20| |v_ULTIMATE.start_main_~#t2195~0.base_15|) |v_ULTIMATE.start_main_~#t2195~0.offset_13| 0)) |v_#memory_int_19|) (= 0 v_~y~0_33) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2195~0.base_15|) (< 0 |v_#StackHeapBarrier_15|) (= 0 |v_ULTIMATE.start_main_~#t2195~0.offset_13|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_48|, #memory_int=|v_#memory_int_20|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_~#t2195~0.offset=|v_ULTIMATE.start_main_~#t2195~0.offset_13|, ULTIMATE.start_main_~#t2195~0.base=|v_ULTIMATE.start_main_~#t2195~0.base_15|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_24|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_~#t2197~0.offset=|v_ULTIMATE.start_main_~#t2197~0.offset_14|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, #NULL.offset=|v_#NULL.offset_5|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_24, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_32, #NULL.base=|v_#NULL.base_5|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ULTIMATE.start_main_~#t2196~0.base=|v_ULTIMATE.start_main_~#t2196~0.base_17|, ULTIMATE.start_main_~#t2196~0.offset=|v_ULTIMATE.start_main_~#t2196~0.offset_14|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_14|, #valid=|v_#valid_46|, #memory_int=|v_#memory_int_19|, #length=|v_#length_21|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_24, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_140, ULTIMATE.start_main_~#t2197~0.base=|v_ULTIMATE.start_main_~#t2197~0.base_16|, ~y~0=v_~y~0_33, ~x~0=v_~x~0_38} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2195~0.offset, ULTIMATE.start_main_~#t2195~0.base, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~#t2197~0.offset, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t2196~0.base, ULTIMATE.start_main_~#t2196~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ULTIMATE.start_main_~#t2197~0.base, ~y~0, ~x~0] {5433#true} is VALID [2020-07-28 21:36:31,708 INFO L280 TraceCheckUtils]: 1: Hoare triple {5433#true} [162] L761-->P0ENTRY: Formula: (and (= 0 |v_P0Thread1of1ForFork2_#in~arg.offset_3|) (= 0 v_P0Thread1of1ForFork2_thidvar0_2) (= 0 |v_P0Thread1of1ForFork2_#in~arg.base_3|)) InVars {} OutVars{P0Thread1of1ForFork2_#in~arg.offset=|v_P0Thread1of1ForFork2_#in~arg.offset_3|, P0Thread1of1ForFork2_~arg.offset=v_P0Thread1of1ForFork2_~arg.offset_3, P0Thread1of1ForFork2_#res.offset=|v_P0Thread1of1ForFork2_#res.offset_3|, P0Thread1of1ForFork2_#in~arg.base=|v_P0Thread1of1ForFork2_#in~arg.base_3|, P0Thread1of1ForFork2_#res.base=|v_P0Thread1of1ForFork2_#res.base_3|, P0Thread1of1ForFork2_thidvar0=v_P0Thread1of1ForFork2_thidvar0_2, P0Thread1of1ForFork2_~arg.base=v_P0Thread1of1ForFork2_~arg.base_3} AuxVars[] AssignedVars[P0Thread1of1ForFork2_#in~arg.offset, P0Thread1of1ForFork2_~arg.offset, P0Thread1of1ForFork2_#res.offset, P0Thread1of1ForFork2_#in~arg.base, P0Thread1of1ForFork2_#res.base, P0Thread1of1ForFork2_thidvar0, P0Thread1of1ForFork2_~arg.base] {5433#true} is VALID [2020-07-28 21:36:31,708 INFO L280 TraceCheckUtils]: 2: Hoare triple {5433#true} [163] P0ENTRY-->L711: Formula: (and (= v_P0Thread1of1ForFork2_~arg.base_4 |v_P0Thread1of1ForFork2_#in~arg.base_4|) (= 2 v_~y~0_5) (= v_P0Thread1of1ForFork2_~arg.offset_4 |v_P0Thread1of1ForFork2_#in~arg.offset_4|)) InVars {P0Thread1of1ForFork2_#in~arg.offset=|v_P0Thread1of1ForFork2_#in~arg.offset_4|, P0Thread1of1ForFork2_#in~arg.base=|v_P0Thread1of1ForFork2_#in~arg.base_4|} OutVars{P0Thread1of1ForFork2_#in~arg.offset=|v_P0Thread1of1ForFork2_#in~arg.offset_4|, P0Thread1of1ForFork2_~arg.offset=v_P0Thread1of1ForFork2_~arg.offset_4, P0Thread1of1ForFork2_#in~arg.base=|v_P0Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_5, P0Thread1of1ForFork2_~arg.base=v_P0Thread1of1ForFork2_~arg.base_4} AuxVars[] AssignedVars[P0Thread1of1ForFork2_~arg.offset, ~y~0, P0Thread1of1ForFork2_~arg.base] {5433#true} is VALID [2020-07-28 21:36:31,709 INFO L280 TraceCheckUtils]: 3: Hoare triple {5433#true} [203] L761-1-->L763: Formula: (and (= 0 |v_ULTIMATE.start_main_~#t2196~0.offset_11|) (< |v_#StackHeapBarrier_12| |v_ULTIMATE.start_main_~#t2196~0.base_13|) (= |v_#memory_int_15| (store |v_#memory_int_16| |v_ULTIMATE.start_main_~#t2196~0.base_13| (store (select |v_#memory_int_16| |v_ULTIMATE.start_main_~#t2196~0.base_13|) |v_ULTIMATE.start_main_~#t2196~0.offset_11| 1))) (= (select |v_#valid_37| |v_ULTIMATE.start_main_~#t2196~0.base_13|) 0) (not (= 0 |v_ULTIMATE.start_main_~#t2196~0.base_13|)) (= |v_#length_17| (store |v_#length_18| |v_ULTIMATE.start_main_~#t2196~0.base_13| 4)) (= |v_#valid_36| (store |v_#valid_37| |v_ULTIMATE.start_main_~#t2196~0.base_13| 1))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_12|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_16|, #length=|v_#length_18|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_12|, ULTIMATE.start_main_~#t2196~0.base=|v_ULTIMATE.start_main_~#t2196~0.base_13|, ULTIMATE.start_main_~#t2196~0.offset=|v_ULTIMATE.start_main_~#t2196~0.offset_11|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_15|, #length=|v_#length_17|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2196~0.base, ULTIMATE.start_main_~#t2196~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {5433#true} is VALID [2020-07-28 21:36:31,709 INFO L280 TraceCheckUtils]: 4: Hoare triple {5433#true} [158] L763-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork0_thidvar0_2) (= 0 |v_P1Thread1of1ForFork0_#in~arg.offset_3|) (= 0 |v_P1Thread1of1ForFork0_#in~arg.base_3|)) InVars {} OutVars{P1Thread1of1ForFork0_~arg.offset=v_P1Thread1of1ForFork0_~arg.offset_3, P1Thread1of1ForFork0_~arg.base=v_P1Thread1of1ForFork0_~arg.base_3, P1Thread1of1ForFork0_thidvar0=v_P1Thread1of1ForFork0_thidvar0_2, P1Thread1of1ForFork0_#in~arg.base=|v_P1Thread1of1ForFork0_#in~arg.base_3|, P1Thread1of1ForFork0_#in~arg.offset=|v_P1Thread1of1ForFork0_#in~arg.offset_3|, P1Thread1of1ForFork0_#res.offset=|v_P1Thread1of1ForFork0_#res.offset_3|, P1Thread1of1ForFork0_#res.base=|v_P1Thread1of1ForFork0_#res.base_3|} AuxVars[] AssignedVars[P1Thread1of1ForFork0_~arg.offset, P1Thread1of1ForFork0_~arg.base, P1Thread1of1ForFork0_thidvar0, P1Thread1of1ForFork0_#in~arg.base, P1Thread1of1ForFork0_#in~arg.offset, P1Thread1of1ForFork0_#res.offset, P1Thread1of1ForFork0_#res.base] {5433#true} is VALID [2020-07-28 21:36:31,709 INFO L280 TraceCheckUtils]: 5: Hoare triple {5433#true} [201] L763-1-->L765: Formula: (and (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2197~0.base_12| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2197~0.base_12|) |v_ULTIMATE.start_main_~#t2197~0.offset_11| 2)) |v_#memory_int_13|) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2197~0.base_12|) (= 0 |v_ULTIMATE.start_main_~#t2197~0.offset_11|) (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t2197~0.base_12| 4) |v_#length_15|) (= |v_#valid_34| (store |v_#valid_35| |v_ULTIMATE.start_main_~#t2197~0.base_12| 1)) (not (= 0 |v_ULTIMATE.start_main_~#t2197~0.base_12|)) (= 0 (select |v_#valid_35| |v_ULTIMATE.start_main_~#t2197~0.base_12|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_35|, #memory_int=|v_#memory_int_14|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t2197~0.offset=|v_ULTIMATE.start_main_~#t2197~0.offset_11|, #valid=|v_#valid_34|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_13|, #length=|v_#length_15|, ULTIMATE.start_main_~#t2197~0.base=|v_ULTIMATE.start_main_~#t2197~0.base_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2197~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t2197~0.base] {5433#true} is VALID [2020-07-28 21:36:31,710 INFO L280 TraceCheckUtils]: 6: Hoare triple {5433#true} [160] L765-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork1_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork1_thidvar0_2) (= 0 |v_P2Thread1of1ForFork1_#in~arg.base_3|)) InVars {} OutVars{P2Thread1of1ForFork1_#in~arg.offset=|v_P2Thread1of1ForFork1_#in~arg.offset_3|, P2Thread1of1ForFork1_~arg.offset=v_P2Thread1of1ForFork1_~arg.offset_3, P2Thread1of1ForFork1_~arg.base=v_P2Thread1of1ForFork1_~arg.base_3, P2Thread1of1ForFork1_#res.base=|v_P2Thread1of1ForFork1_#res.base_3|, P2Thread1of1ForFork1_#in~arg.base=|v_P2Thread1of1ForFork1_#in~arg.base_3|, P2Thread1of1ForFork1_#res.offset=|v_P2Thread1of1ForFork1_#res.offset_3|, P2Thread1of1ForFork1_thidvar0=v_P2Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P2Thread1of1ForFork1_#in~arg.offset, P2Thread1of1ForFork1_~arg.offset, P2Thread1of1ForFork1_~arg.base, P2Thread1of1ForFork1_#res.base, P2Thread1of1ForFork1_#in~arg.base, P2Thread1of1ForFork1_#res.offset, P2Thread1of1ForFork1_thidvar0] {5433#true} is VALID [2020-07-28 21:36:31,710 INFO L280 TraceCheckUtils]: 7: Hoare triple {5433#true} [186] P1ENTRY-->L726: Formula: (and (= v_P1Thread1of1ForFork0_~arg.base_4 |v_P1Thread1of1ForFork0_#in~arg.base_4|) (= v_P1Thread1of1ForFork0_~arg.offset_4 |v_P1Thread1of1ForFork0_#in~arg.offset_4|) (= 2 v_~x~0_13)) InVars {P1Thread1of1ForFork0_#in~arg.base=|v_P1Thread1of1ForFork0_#in~arg.base_4|, P1Thread1of1ForFork0_#in~arg.offset=|v_P1Thread1of1ForFork0_#in~arg.offset_4|} OutVars{P1Thread1of1ForFork0_~arg.offset=v_P1Thread1of1ForFork0_~arg.offset_4, P1Thread1of1ForFork0_~arg.base=v_P1Thread1of1ForFork0_~arg.base_4, P1Thread1of1ForFork0_#in~arg.base=|v_P1Thread1of1ForFork0_#in~arg.base_4|, P1Thread1of1ForFork0_#in~arg.offset=|v_P1Thread1of1ForFork0_#in~arg.offset_4|, ~x~0=v_~x~0_13} AuxVars[] AssignedVars[P1Thread1of1ForFork0_~arg.offset, P1Thread1of1ForFork0_~arg.base, ~x~0] {5433#true} is VALID [2020-07-28 21:36:31,710 INFO L280 TraceCheckUtils]: 8: Hoare triple {5433#true} [193] L726-->P1EXIT: Formula: (and (= 0 |v_P1Thread1of1ForFork0_#res.offset_13|) (= v_~__unbuffered_cnt~0_71 (+ v_~__unbuffered_cnt~0_72 1)) (= 0 |v_P1Thread1of1ForFork0_#res.base_13|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_72} OutVars{~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_71, P1Thread1of1ForFork0_#res.offset=|v_P1Thread1of1ForFork0_#res.offset_13|, P1Thread1of1ForFork0_#res.base=|v_P1Thread1of1ForFork0_#res.base_13|} AuxVars[] AssignedVars[~__unbuffered_cnt~0, P1Thread1of1ForFork0_#res.offset, P1Thread1of1ForFork0_#res.base] {5433#true} is VALID [2020-07-28 21:36:31,711 INFO L280 TraceCheckUtils]: 9: Hoare triple {5433#true} [178] P2ENTRY-->L738: Formula: (and (= v_P2Thread1of1ForFork1_~arg.base_4 |v_P2Thread1of1ForFork1_#in~arg.base_4|) (= v_~__unbuffered_p2_EAX~0_8 v_~x~0_11) (= v_P2Thread1of1ForFork1_~arg.offset_4 |v_P2Thread1of1ForFork1_#in~arg.offset_4|)) InVars {P2Thread1of1ForFork1_#in~arg.offset=|v_P2Thread1of1ForFork1_#in~arg.offset_4|, P2Thread1of1ForFork1_#in~arg.base=|v_P2Thread1of1ForFork1_#in~arg.base_4|, ~x~0=v_~x~0_11} OutVars{P2Thread1of1ForFork1_#in~arg.offset=|v_P2Thread1of1ForFork1_#in~arg.offset_4|, P2Thread1of1ForFork1_~arg.offset=v_P2Thread1of1ForFork1_~arg.offset_4, P2Thread1of1ForFork1_~arg.base=v_P2Thread1of1ForFork1_~arg.base_4, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_8, P2Thread1of1ForFork1_#in~arg.base=|v_P2Thread1of1ForFork1_#in~arg.base_4|, ~x~0=v_~x~0_11} AuxVars[] AssignedVars[P2Thread1of1ForFork1_~arg.offset, P2Thread1of1ForFork1_~arg.base, ~__unbuffered_p2_EAX~0] {5433#true} is VALID [2020-07-28 21:36:31,711 INFO L280 TraceCheckUtils]: 10: Hoare triple {5433#true} [142] L711-->L714: Formula: (= v_~x~0_1 1) InVars {} OutVars{~x~0=v_~x~0_1} AuxVars[] AssignedVars[~x~0] {5435#(= 1 ~x~0)} is VALID [2020-07-28 21:36:31,712 INFO L280 TraceCheckUtils]: 11: Hoare triple {5435#(= 1 ~x~0)} [204] L714-->P0EXIT: Formula: (and (= |v_P0Thread1of1ForFork2_#res.offset_5| 0) (= v_~__unbuffered_cnt~0_101 (+ v_~__unbuffered_cnt~0_102 1)) (= 0 |v_P0Thread1of1ForFork2_#res.base_5|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_102} OutVars{P0Thread1of1ForFork2_#res.offset=|v_P0Thread1of1ForFork2_#res.offset_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_101, P0Thread1of1ForFork2_#res.base=|v_P0Thread1of1ForFork2_#res.base_5|} AuxVars[] AssignedVars[P0Thread1of1ForFork2_#res.offset, ~__unbuffered_cnt~0, P0Thread1of1ForFork2_#res.base] {5435#(= 1 ~x~0)} is VALID [2020-07-28 21:36:31,713 INFO L280 TraceCheckUtils]: 12: Hoare triple {5435#(= 1 ~x~0)} [202] L765-1-->L2: Formula: (and (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond_6| (mod v_~main$tmp_guard0~0_22 256)) (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_96))) (or (and (not .cse0) (= 0 v_~main$tmp_guard0~0_22)) (and (= 1 v_~main$tmp_guard0~0_22) .cse0)))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_96} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_6|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_13, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_14|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_96, ~main$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] {5435#(= 1 ~x~0)} is VALID [2020-07-28 21:36:31,714 INFO L280 TraceCheckUtils]: 13: Hoare triple {5435#(= 1 ~x~0)} [214] L2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 2 v_~y~0_38) (= 2 v_~__unbuffered_p2_EAX~0_31) (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_19) (= v_ULTIMATE.start_assume_abort_if_not_~cond_30 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (= v_ULTIMATE.start___VERIFIER_assert_~expression_19 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_17|) (= 0 v_~main$tmp_guard1~0_29) (= 2 v_~x~0_43) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_30))) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_31, ~y~0=v_~y~0_38, ~x~0=v_~x~0_43} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_19, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_30, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_29, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_31, ~y~0=v_~y~0_38, ~x~0=v_~x~0_43, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_17|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {5434#false} is VALID [2020-07-28 21:36:31,714 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 21:36:31,714 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036258521] [2020-07-28 21:36:31,714 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:36:31,715 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 21:36:31,715 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899128458] [2020-07-28 21:36:31,715 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2020-07-28 21:36:31,715 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:36:31,715 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 21:36:31,730 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 21:36:31,731 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 21:36:31,731 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:36:31,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 21:36:31,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 21:36:31,731 INFO L87 Difference]: Start difference. First operand 86 states and 169 transitions. Second operand 3 states. [2020-07-28 21:36:31,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:36:31,769 INFO L93 Difference]: Finished difference Result 104 states and 195 transitions. [2020-07-28 21:36:31,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 21:36:31,769 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2020-07-28 21:36:31,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:36:31,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 21:36:31,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 27 transitions. [2020-07-28 21:36:31,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 21:36:31,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 27 transitions. [2020-07-28 21:36:31,771 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 27 transitions. [2020-07-28 21:36:31,805 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 21:36:31,806 INFO L225 Difference]: With dead ends: 104 [2020-07-28 21:36:31,806 INFO L226 Difference]: Without dead ends: 66 [2020-07-28 21:36:31,807 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 21:36:31,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-07-28 21:36:31,808 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,808 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,808 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,809 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,809 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,809 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,809 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,810 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,810 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,810 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,810 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,810 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,811 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,811 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,811 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,811 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,811 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,811 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,812 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,812 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,812 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,812 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,813 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,813 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,813 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,814 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,814 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,814 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,814 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,815 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,815 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,815 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,815 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,816 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,816 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,816 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,816 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,817 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,817 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,817 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,817 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,817 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,817 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,818 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,818 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,818 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,818 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,818 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,818 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,818 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,819 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,819 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,819 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,819 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,819 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,819 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,819 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,820 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,820 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,820 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,820 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,820 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,820 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,821 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,821 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:31,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 65. [2020-07-28 21:36:31,821 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:36:31,821 INFO L82 GeneralOperation]: Start isEquivalent. First operand 66 states. Second operand 65 states. [2020-07-28 21:36:31,821 INFO L74 IsIncluded]: Start isIncluded. First operand 66 states. Second operand 65 states. [2020-07-28 21:36:31,822 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 65 states. [2020-07-28 21:36:31,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:36:31,823 INFO L93 Difference]: Finished difference Result 66 states and 111 transitions. [2020-07-28 21:36:31,823 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 111 transitions. [2020-07-28 21:36:31,823 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:36:31,824 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:36:31,824 INFO L74 IsIncluded]: Start isIncluded. First operand 65 states. Second operand 66 states. [2020-07-28 21:36:31,824 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 66 states. [2020-07-28 21:36:31,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:36:31,825 INFO L93 Difference]: Finished difference Result 66 states and 111 transitions. [2020-07-28 21:36:31,825 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 111 transitions. [2020-07-28 21:36:31,826 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:36:31,826 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:36:31,826 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:36:31,826 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:36:31,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-07-28 21:36:31,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 111 transitions. [2020-07-28 21:36:31,827 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 111 transitions. Word has length 14 [2020-07-28 21:36:31,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:36:31,828 INFO L479 AbstractCegarLoop]: Abstraction has 65 states and 111 transitions. [2020-07-28 21:36:31,828 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 21:36:31,828 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 111 transitions. [2020-07-28 21:36:31,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-07-28 21:36:31,828 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:36:31,829 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:36:31,829 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-28 21:36:31,829 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:36:31,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:36:31,829 INFO L82 PathProgramCache]: Analyzing trace with hash -610616562, now seen corresponding path program 2 times [2020-07-28 21:36:31,829 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:36:31,830 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192290217] [2020-07-28 21:36:31,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:36:31,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:36:31,869 INFO L280 TraceCheckUtils]: 0: Hoare triple {5804#true} [213] ULTIMATE.startENTRY-->L761: Formula: (let ((.cse0 (store |v_#valid_48| 0 0))) (and (= 0 v_~__unbuffered_p2_EAX~0_24) (= 0 |v_#NULL.base_5|) (= |v_#valid_46| (store .cse0 |v_ULTIMATE.start_main_~#t2195~0.base_15| 1)) (= |v_#length_21| (store |v_#length_22| |v_ULTIMATE.start_main_~#t2195~0.base_15| 4)) (= 0 v_~main$tmp_guard1~0_24) (= v_~__unbuffered_cnt~0_140 0) (= 0 v_~main$tmp_guard0~0_32) (= 0 |v_#NULL.offset_5|) (= 0 v_~x~0_38) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t2195~0.base_15|)) (= (store |v_#memory_int_20| |v_ULTIMATE.start_main_~#t2195~0.base_15| (store (select |v_#memory_int_20| |v_ULTIMATE.start_main_~#t2195~0.base_15|) |v_ULTIMATE.start_main_~#t2195~0.offset_13| 0)) |v_#memory_int_19|) (= 0 v_~y~0_33) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2195~0.base_15|) (< 0 |v_#StackHeapBarrier_15|) (= 0 |v_ULTIMATE.start_main_~#t2195~0.offset_13|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_48|, #memory_int=|v_#memory_int_20|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_~#t2195~0.offset=|v_ULTIMATE.start_main_~#t2195~0.offset_13|, ULTIMATE.start_main_~#t2195~0.base=|v_ULTIMATE.start_main_~#t2195~0.base_15|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_24|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_~#t2197~0.offset=|v_ULTIMATE.start_main_~#t2197~0.offset_14|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, #NULL.offset=|v_#NULL.offset_5|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_24, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_32, #NULL.base=|v_#NULL.base_5|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ULTIMATE.start_main_~#t2196~0.base=|v_ULTIMATE.start_main_~#t2196~0.base_17|, ULTIMATE.start_main_~#t2196~0.offset=|v_ULTIMATE.start_main_~#t2196~0.offset_14|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_14|, #valid=|v_#valid_46|, #memory_int=|v_#memory_int_19|, #length=|v_#length_21|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_24, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_140, ULTIMATE.start_main_~#t2197~0.base=|v_ULTIMATE.start_main_~#t2197~0.base_16|, ~y~0=v_~y~0_33, ~x~0=v_~x~0_38} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2195~0.offset, ULTIMATE.start_main_~#t2195~0.base, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~#t2197~0.offset, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t2196~0.base, ULTIMATE.start_main_~#t2196~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ULTIMATE.start_main_~#t2197~0.base, ~y~0, ~x~0] {5804#true} is VALID [2020-07-28 21:36:31,869 INFO L280 TraceCheckUtils]: 1: Hoare triple {5804#true} [162] L761-->P0ENTRY: Formula: (and (= 0 |v_P0Thread1of1ForFork2_#in~arg.offset_3|) (= 0 v_P0Thread1of1ForFork2_thidvar0_2) (= 0 |v_P0Thread1of1ForFork2_#in~arg.base_3|)) InVars {} OutVars{P0Thread1of1ForFork2_#in~arg.offset=|v_P0Thread1of1ForFork2_#in~arg.offset_3|, P0Thread1of1ForFork2_~arg.offset=v_P0Thread1of1ForFork2_~arg.offset_3, P0Thread1of1ForFork2_#res.offset=|v_P0Thread1of1ForFork2_#res.offset_3|, P0Thread1of1ForFork2_#in~arg.base=|v_P0Thread1of1ForFork2_#in~arg.base_3|, P0Thread1of1ForFork2_#res.base=|v_P0Thread1of1ForFork2_#res.base_3|, P0Thread1of1ForFork2_thidvar0=v_P0Thread1of1ForFork2_thidvar0_2, P0Thread1of1ForFork2_~arg.base=v_P0Thread1of1ForFork2_~arg.base_3} AuxVars[] AssignedVars[P0Thread1of1ForFork2_#in~arg.offset, P0Thread1of1ForFork2_~arg.offset, P0Thread1of1ForFork2_#res.offset, P0Thread1of1ForFork2_#in~arg.base, P0Thread1of1ForFork2_#res.base, P0Thread1of1ForFork2_thidvar0, P0Thread1of1ForFork2_~arg.base] {5804#true} is VALID [2020-07-28 21:36:31,870 INFO L280 TraceCheckUtils]: 2: Hoare triple {5804#true} [163] P0ENTRY-->L711: Formula: (and (= v_P0Thread1of1ForFork2_~arg.base_4 |v_P0Thread1of1ForFork2_#in~arg.base_4|) (= 2 v_~y~0_5) (= v_P0Thread1of1ForFork2_~arg.offset_4 |v_P0Thread1of1ForFork2_#in~arg.offset_4|)) InVars {P0Thread1of1ForFork2_#in~arg.offset=|v_P0Thread1of1ForFork2_#in~arg.offset_4|, P0Thread1of1ForFork2_#in~arg.base=|v_P0Thread1of1ForFork2_#in~arg.base_4|} OutVars{P0Thread1of1ForFork2_#in~arg.offset=|v_P0Thread1of1ForFork2_#in~arg.offset_4|, P0Thread1of1ForFork2_~arg.offset=v_P0Thread1of1ForFork2_~arg.offset_4, P0Thread1of1ForFork2_#in~arg.base=|v_P0Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_5, P0Thread1of1ForFork2_~arg.base=v_P0Thread1of1ForFork2_~arg.base_4} AuxVars[] AssignedVars[P0Thread1of1ForFork2_~arg.offset, ~y~0, P0Thread1of1ForFork2_~arg.base] {5804#true} is VALID [2020-07-28 21:36:31,870 INFO L280 TraceCheckUtils]: 3: Hoare triple {5804#true} [203] L761-1-->L763: Formula: (and (= 0 |v_ULTIMATE.start_main_~#t2196~0.offset_11|) (< |v_#StackHeapBarrier_12| |v_ULTIMATE.start_main_~#t2196~0.base_13|) (= |v_#memory_int_15| (store |v_#memory_int_16| |v_ULTIMATE.start_main_~#t2196~0.base_13| (store (select |v_#memory_int_16| |v_ULTIMATE.start_main_~#t2196~0.base_13|) |v_ULTIMATE.start_main_~#t2196~0.offset_11| 1))) (= (select |v_#valid_37| |v_ULTIMATE.start_main_~#t2196~0.base_13|) 0) (not (= 0 |v_ULTIMATE.start_main_~#t2196~0.base_13|)) (= |v_#length_17| (store |v_#length_18| |v_ULTIMATE.start_main_~#t2196~0.base_13| 4)) (= |v_#valid_36| (store |v_#valid_37| |v_ULTIMATE.start_main_~#t2196~0.base_13| 1))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_12|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_16|, #length=|v_#length_18|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_12|, ULTIMATE.start_main_~#t2196~0.base=|v_ULTIMATE.start_main_~#t2196~0.base_13|, ULTIMATE.start_main_~#t2196~0.offset=|v_ULTIMATE.start_main_~#t2196~0.offset_11|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_15|, #length=|v_#length_17|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2196~0.base, ULTIMATE.start_main_~#t2196~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {5804#true} is VALID [2020-07-28 21:36:31,870 INFO L280 TraceCheckUtils]: 4: Hoare triple {5804#true} [158] L763-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork0_thidvar0_2) (= 0 |v_P1Thread1of1ForFork0_#in~arg.offset_3|) (= 0 |v_P1Thread1of1ForFork0_#in~arg.base_3|)) InVars {} OutVars{P1Thread1of1ForFork0_~arg.offset=v_P1Thread1of1ForFork0_~arg.offset_3, P1Thread1of1ForFork0_~arg.base=v_P1Thread1of1ForFork0_~arg.base_3, P1Thread1of1ForFork0_thidvar0=v_P1Thread1of1ForFork0_thidvar0_2, P1Thread1of1ForFork0_#in~arg.base=|v_P1Thread1of1ForFork0_#in~arg.base_3|, P1Thread1of1ForFork0_#in~arg.offset=|v_P1Thread1of1ForFork0_#in~arg.offset_3|, P1Thread1of1ForFork0_#res.offset=|v_P1Thread1of1ForFork0_#res.offset_3|, P1Thread1of1ForFork0_#res.base=|v_P1Thread1of1ForFork0_#res.base_3|} AuxVars[] AssignedVars[P1Thread1of1ForFork0_~arg.offset, P1Thread1of1ForFork0_~arg.base, P1Thread1of1ForFork0_thidvar0, P1Thread1of1ForFork0_#in~arg.base, P1Thread1of1ForFork0_#in~arg.offset, P1Thread1of1ForFork0_#res.offset, P1Thread1of1ForFork0_#res.base] {5804#true} is VALID [2020-07-28 21:36:31,871 INFO L280 TraceCheckUtils]: 5: Hoare triple {5804#true} [201] L763-1-->L765: Formula: (and (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2197~0.base_12| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2197~0.base_12|) |v_ULTIMATE.start_main_~#t2197~0.offset_11| 2)) |v_#memory_int_13|) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2197~0.base_12|) (= 0 |v_ULTIMATE.start_main_~#t2197~0.offset_11|) (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t2197~0.base_12| 4) |v_#length_15|) (= |v_#valid_34| (store |v_#valid_35| |v_ULTIMATE.start_main_~#t2197~0.base_12| 1)) (not (= 0 |v_ULTIMATE.start_main_~#t2197~0.base_12|)) (= 0 (select |v_#valid_35| |v_ULTIMATE.start_main_~#t2197~0.base_12|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_35|, #memory_int=|v_#memory_int_14|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t2197~0.offset=|v_ULTIMATE.start_main_~#t2197~0.offset_11|, #valid=|v_#valid_34|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_13|, #length=|v_#length_15|, ULTIMATE.start_main_~#t2197~0.base=|v_ULTIMATE.start_main_~#t2197~0.base_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2197~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t2197~0.base] {5804#true} is VALID [2020-07-28 21:36:31,871 INFO L280 TraceCheckUtils]: 6: Hoare triple {5804#true} [160] L765-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork1_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork1_thidvar0_2) (= 0 |v_P2Thread1of1ForFork1_#in~arg.base_3|)) InVars {} OutVars{P2Thread1of1ForFork1_#in~arg.offset=|v_P2Thread1of1ForFork1_#in~arg.offset_3|, P2Thread1of1ForFork1_~arg.offset=v_P2Thread1of1ForFork1_~arg.offset_3, P2Thread1of1ForFork1_~arg.base=v_P2Thread1of1ForFork1_~arg.base_3, P2Thread1of1ForFork1_#res.base=|v_P2Thread1of1ForFork1_#res.base_3|, P2Thread1of1ForFork1_#in~arg.base=|v_P2Thread1of1ForFork1_#in~arg.base_3|, P2Thread1of1ForFork1_#res.offset=|v_P2Thread1of1ForFork1_#res.offset_3|, P2Thread1of1ForFork1_thidvar0=v_P2Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P2Thread1of1ForFork1_#in~arg.offset, P2Thread1of1ForFork1_~arg.offset, P2Thread1of1ForFork1_~arg.base, P2Thread1of1ForFork1_#res.base, P2Thread1of1ForFork1_#in~arg.base, P2Thread1of1ForFork1_#res.offset, P2Thread1of1ForFork1_thidvar0] {5804#true} is VALID [2020-07-28 21:36:31,872 INFO L280 TraceCheckUtils]: 7: Hoare triple {5804#true} [142] L711-->L714: Formula: (= v_~x~0_1 1) InVars {} OutVars{~x~0=v_~x~0_1} AuxVars[] AssignedVars[~x~0] {5806#(= 1 ~x~0)} is VALID [2020-07-28 21:36:31,873 INFO L280 TraceCheckUtils]: 8: Hoare triple {5806#(= 1 ~x~0)} [178] P2ENTRY-->L738: Formula: (and (= v_P2Thread1of1ForFork1_~arg.base_4 |v_P2Thread1of1ForFork1_#in~arg.base_4|) (= v_~__unbuffered_p2_EAX~0_8 v_~x~0_11) (= v_P2Thread1of1ForFork1_~arg.offset_4 |v_P2Thread1of1ForFork1_#in~arg.offset_4|)) InVars {P2Thread1of1ForFork1_#in~arg.offset=|v_P2Thread1of1ForFork1_#in~arg.offset_4|, P2Thread1of1ForFork1_#in~arg.base=|v_P2Thread1of1ForFork1_#in~arg.base_4|, ~x~0=v_~x~0_11} OutVars{P2Thread1of1ForFork1_#in~arg.offset=|v_P2Thread1of1ForFork1_#in~arg.offset_4|, P2Thread1of1ForFork1_~arg.offset=v_P2Thread1of1ForFork1_~arg.offset_4, P2Thread1of1ForFork1_~arg.base=v_P2Thread1of1ForFork1_~arg.base_4, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_8, P2Thread1of1ForFork1_#in~arg.base=|v_P2Thread1of1ForFork1_#in~arg.base_4|, ~x~0=v_~x~0_11} AuxVars[] AssignedVars[P2Thread1of1ForFork1_~arg.offset, P2Thread1of1ForFork1_~arg.base, ~__unbuffered_p2_EAX~0] {5807#(= 1 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:36:31,880 INFO L280 TraceCheckUtils]: 9: Hoare triple {5807#(= 1 ~__unbuffered_p2_EAX~0)} [186] P1ENTRY-->L726: Formula: (and (= v_P1Thread1of1ForFork0_~arg.base_4 |v_P1Thread1of1ForFork0_#in~arg.base_4|) (= v_P1Thread1of1ForFork0_~arg.offset_4 |v_P1Thread1of1ForFork0_#in~arg.offset_4|) (= 2 v_~x~0_13)) InVars {P1Thread1of1ForFork0_#in~arg.base=|v_P1Thread1of1ForFork0_#in~arg.base_4|, P1Thread1of1ForFork0_#in~arg.offset=|v_P1Thread1of1ForFork0_#in~arg.offset_4|} OutVars{P1Thread1of1ForFork0_~arg.offset=v_P1Thread1of1ForFork0_~arg.offset_4, P1Thread1of1ForFork0_~arg.base=v_P1Thread1of1ForFork0_~arg.base_4, P1Thread1of1ForFork0_#in~arg.base=|v_P1Thread1of1ForFork0_#in~arg.base_4|, P1Thread1of1ForFork0_#in~arg.offset=|v_P1Thread1of1ForFork0_#in~arg.offset_4|, ~x~0=v_~x~0_13} AuxVars[] AssignedVars[P1Thread1of1ForFork0_~arg.offset, P1Thread1of1ForFork0_~arg.base, ~x~0] {5807#(= 1 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:36:31,883 INFO L280 TraceCheckUtils]: 10: Hoare triple {5807#(= 1 ~__unbuffered_p2_EAX~0)} [193] L726-->P1EXIT: Formula: (and (= 0 |v_P1Thread1of1ForFork0_#res.offset_13|) (= v_~__unbuffered_cnt~0_71 (+ v_~__unbuffered_cnt~0_72 1)) (= 0 |v_P1Thread1of1ForFork0_#res.base_13|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_72} OutVars{~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_71, P1Thread1of1ForFork0_#res.offset=|v_P1Thread1of1ForFork0_#res.offset_13|, P1Thread1of1ForFork0_#res.base=|v_P1Thread1of1ForFork0_#res.base_13|} AuxVars[] AssignedVars[~__unbuffered_cnt~0, P1Thread1of1ForFork0_#res.offset, P1Thread1of1ForFork0_#res.base] {5807#(= 1 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:36:31,885 INFO L280 TraceCheckUtils]: 11: Hoare triple {5807#(= 1 ~__unbuffered_p2_EAX~0)} [204] L714-->P0EXIT: Formula: (and (= |v_P0Thread1of1ForFork2_#res.offset_5| 0) (= v_~__unbuffered_cnt~0_101 (+ v_~__unbuffered_cnt~0_102 1)) (= 0 |v_P0Thread1of1ForFork2_#res.base_5|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_102} OutVars{P0Thread1of1ForFork2_#res.offset=|v_P0Thread1of1ForFork2_#res.offset_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_101, P0Thread1of1ForFork2_#res.base=|v_P0Thread1of1ForFork2_#res.base_5|} AuxVars[] AssignedVars[P0Thread1of1ForFork2_#res.offset, ~__unbuffered_cnt~0, P0Thread1of1ForFork2_#res.base] {5807#(= 1 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:36:31,887 INFO L280 TraceCheckUtils]: 12: Hoare triple {5807#(= 1 ~__unbuffered_p2_EAX~0)} [202] L765-1-->L2: Formula: (and (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond_6| (mod v_~main$tmp_guard0~0_22 256)) (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_96))) (or (and (not .cse0) (= 0 v_~main$tmp_guard0~0_22)) (and (= 1 v_~main$tmp_guard0~0_22) .cse0)))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_96} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_6|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_13, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_14|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_96, ~main$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] {5807#(= 1 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:36:31,889 INFO L280 TraceCheckUtils]: 13: Hoare triple {5807#(= 1 ~__unbuffered_p2_EAX~0)} [214] L2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 2 v_~y~0_38) (= 2 v_~__unbuffered_p2_EAX~0_31) (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_19) (= v_ULTIMATE.start_assume_abort_if_not_~cond_30 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (= v_ULTIMATE.start___VERIFIER_assert_~expression_19 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_17|) (= 0 v_~main$tmp_guard1~0_29) (= 2 v_~x~0_43) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_30))) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_31, ~y~0=v_~y~0_38, ~x~0=v_~x~0_43} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_19, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_30, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_29, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_31, ~y~0=v_~y~0_38, ~x~0=v_~x~0_43, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_17|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {5805#false} is VALID [2020-07-28 21:36:31,890 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 21:36:31,890 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192290217] [2020-07-28 21:36:31,890 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:36:31,890 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 21:36:31,891 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128557561] [2020-07-28 21:36:31,891 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-07-28 21:36:31,893 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:36:31,893 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 21:36:31,915 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 21:36:31,915 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 21:36:31,915 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:36:31,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 21:36:31,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 21:36:31,916 INFO L87 Difference]: Start difference. First operand 65 states and 111 transitions. Second operand 4 states. [2020-07-28 21:36:31,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:36:31,983 INFO L93 Difference]: Finished difference Result 71 states and 116 transitions. [2020-07-28 21:36:31,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 21:36:31,983 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-07-28 21:36:31,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:36:31,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:36:31,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 29 transitions. [2020-07-28 21:36:31,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:36:31,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 29 transitions. [2020-07-28 21:36:31,985 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 29 transitions. [2020-07-28 21:36:32,022 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 29 edges. 29 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:36:32,023 INFO L225 Difference]: With dead ends: 71 [2020-07-28 21:36:32,023 INFO L226 Difference]: Without dead ends: 64 [2020-07-28 21:36:32,024 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 21:36:32,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-07-28 21:36:32,026 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,027 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,027 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,028 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,028 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,028 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,029 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,029 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,029 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,029 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,030 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,030 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,030 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,030 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,031 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,031 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,031 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,031 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,032 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,032 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,032 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,032 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,033 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,033 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,033 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,033 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,034 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,034 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,034 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,034 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,035 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,035 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,035 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,035 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,036 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,036 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,036 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,036 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,037 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,037 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,037 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,037 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,038 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,038 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,038 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,038 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,039 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,039 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,039 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,039 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,040 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,040 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,040 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,040 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,041 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,041 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,041 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,041 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,042 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,042 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,042 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,043 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,043 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:36:32,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 63. [2020-07-28 21:36:32,044 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:36:32,045 INFO L82 GeneralOperation]: Start isEquivalent. First operand 64 states. Second operand 63 states. [2020-07-28 21:36:32,045 INFO L74 IsIncluded]: Start isIncluded. First operand 64 states. Second operand 63 states. [2020-07-28 21:36:32,045 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 63 states. [2020-07-28 21:36:32,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:36:32,048 INFO L93 Difference]: Finished difference Result 64 states and 106 transitions. [2020-07-28 21:36:32,048 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 106 transitions. [2020-07-28 21:36:32,048 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:36:32,049 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:36:32,049 INFO L74 IsIncluded]: Start isIncluded. First operand 63 states. Second operand 64 states. [2020-07-28 21:36:32,049 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 64 states. [2020-07-28 21:36:32,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:36:32,052 INFO L93 Difference]: Finished difference Result 64 states and 106 transitions. [2020-07-28 21:36:32,052 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 106 transitions. [2020-07-28 21:36:32,052 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:36:32,053 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:36:32,053 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:36:32,053 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:36:32,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-07-28 21:36:32,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 106 transitions. [2020-07-28 21:36:32,056 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 106 transitions. Word has length 14 [2020-07-28 21:36:32,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:36:32,056 INFO L479 AbstractCegarLoop]: Abstraction has 63 states and 106 transitions. [2020-07-28 21:36:32,056 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 21:36:32,057 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 106 transitions. [2020-07-28 21:36:32,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-07-28 21:36:32,057 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:36:32,058 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:36:32,058 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-28 21:36:32,058 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:36:32,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:36:32,059 INFO L82 PathProgramCache]: Analyzing trace with hash -375565572, now seen corresponding path program 3 times [2020-07-28 21:36:32,060 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:36:32,060 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133465781] [2020-07-28 21:36:32,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:36:32,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:36:32,204 INFO L280 TraceCheckUtils]: 0: Hoare triple {6137#true} [213] ULTIMATE.startENTRY-->L761: Formula: (let ((.cse0 (store |v_#valid_48| 0 0))) (and (= 0 v_~__unbuffered_p2_EAX~0_24) (= 0 |v_#NULL.base_5|) (= |v_#valid_46| (store .cse0 |v_ULTIMATE.start_main_~#t2195~0.base_15| 1)) (= |v_#length_21| (store |v_#length_22| |v_ULTIMATE.start_main_~#t2195~0.base_15| 4)) (= 0 v_~main$tmp_guard1~0_24) (= v_~__unbuffered_cnt~0_140 0) (= 0 v_~main$tmp_guard0~0_32) (= 0 |v_#NULL.offset_5|) (= 0 v_~x~0_38) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t2195~0.base_15|)) (= (store |v_#memory_int_20| |v_ULTIMATE.start_main_~#t2195~0.base_15| (store (select |v_#memory_int_20| |v_ULTIMATE.start_main_~#t2195~0.base_15|) |v_ULTIMATE.start_main_~#t2195~0.offset_13| 0)) |v_#memory_int_19|) (= 0 v_~y~0_33) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2195~0.base_15|) (< 0 |v_#StackHeapBarrier_15|) (= 0 |v_ULTIMATE.start_main_~#t2195~0.offset_13|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_48|, #memory_int=|v_#memory_int_20|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_~#t2195~0.offset=|v_ULTIMATE.start_main_~#t2195~0.offset_13|, ULTIMATE.start_main_~#t2195~0.base=|v_ULTIMATE.start_main_~#t2195~0.base_15|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_24|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_~#t2197~0.offset=|v_ULTIMATE.start_main_~#t2197~0.offset_14|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, #NULL.offset=|v_#NULL.offset_5|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_24, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_32, #NULL.base=|v_#NULL.base_5|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ULTIMATE.start_main_~#t2196~0.base=|v_ULTIMATE.start_main_~#t2196~0.base_17|, ULTIMATE.start_main_~#t2196~0.offset=|v_ULTIMATE.start_main_~#t2196~0.offset_14|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_14|, #valid=|v_#valid_46|, #memory_int=|v_#memory_int_19|, #length=|v_#length_21|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_24, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_140, ULTIMATE.start_main_~#t2197~0.base=|v_ULTIMATE.start_main_~#t2197~0.base_16|, ~y~0=v_~y~0_33, ~x~0=v_~x~0_38} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2195~0.offset, ULTIMATE.start_main_~#t2195~0.base, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~#t2197~0.offset, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t2196~0.base, ULTIMATE.start_main_~#t2196~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ULTIMATE.start_main_~#t2197~0.base, ~y~0, ~x~0] {6139#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:36:32,205 INFO L280 TraceCheckUtils]: 1: Hoare triple {6139#(= 0 ~__unbuffered_cnt~0)} [162] L761-->P0ENTRY: Formula: (and (= 0 |v_P0Thread1of1ForFork2_#in~arg.offset_3|) (= 0 v_P0Thread1of1ForFork2_thidvar0_2) (= 0 |v_P0Thread1of1ForFork2_#in~arg.base_3|)) InVars {} OutVars{P0Thread1of1ForFork2_#in~arg.offset=|v_P0Thread1of1ForFork2_#in~arg.offset_3|, P0Thread1of1ForFork2_~arg.offset=v_P0Thread1of1ForFork2_~arg.offset_3, P0Thread1of1ForFork2_#res.offset=|v_P0Thread1of1ForFork2_#res.offset_3|, P0Thread1of1ForFork2_#in~arg.base=|v_P0Thread1of1ForFork2_#in~arg.base_3|, P0Thread1of1ForFork2_#res.base=|v_P0Thread1of1ForFork2_#res.base_3|, P0Thread1of1ForFork2_thidvar0=v_P0Thread1of1ForFork2_thidvar0_2, P0Thread1of1ForFork2_~arg.base=v_P0Thread1of1ForFork2_~arg.base_3} AuxVars[] AssignedVars[P0Thread1of1ForFork2_#in~arg.offset, P0Thread1of1ForFork2_~arg.offset, P0Thread1of1ForFork2_#res.offset, P0Thread1of1ForFork2_#in~arg.base, P0Thread1of1ForFork2_#res.base, P0Thread1of1ForFork2_thidvar0, P0Thread1of1ForFork2_~arg.base] {6139#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:36:32,206 INFO L280 TraceCheckUtils]: 2: Hoare triple {6139#(= 0 ~__unbuffered_cnt~0)} [163] P0ENTRY-->L711: Formula: (and (= v_P0Thread1of1ForFork2_~arg.base_4 |v_P0Thread1of1ForFork2_#in~arg.base_4|) (= 2 v_~y~0_5) (= v_P0Thread1of1ForFork2_~arg.offset_4 |v_P0Thread1of1ForFork2_#in~arg.offset_4|)) InVars {P0Thread1of1ForFork2_#in~arg.offset=|v_P0Thread1of1ForFork2_#in~arg.offset_4|, P0Thread1of1ForFork2_#in~arg.base=|v_P0Thread1of1ForFork2_#in~arg.base_4|} OutVars{P0Thread1of1ForFork2_#in~arg.offset=|v_P0Thread1of1ForFork2_#in~arg.offset_4|, P0Thread1of1ForFork2_~arg.offset=v_P0Thread1of1ForFork2_~arg.offset_4, P0Thread1of1ForFork2_#in~arg.base=|v_P0Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_5, P0Thread1of1ForFork2_~arg.base=v_P0Thread1of1ForFork2_~arg.base_4} AuxVars[] AssignedVars[P0Thread1of1ForFork2_~arg.offset, ~y~0, P0Thread1of1ForFork2_~arg.base] {6139#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:36:32,207 INFO L280 TraceCheckUtils]: 3: Hoare triple {6139#(= 0 ~__unbuffered_cnt~0)} [203] L761-1-->L763: Formula: (and (= 0 |v_ULTIMATE.start_main_~#t2196~0.offset_11|) (< |v_#StackHeapBarrier_12| |v_ULTIMATE.start_main_~#t2196~0.base_13|) (= |v_#memory_int_15| (store |v_#memory_int_16| |v_ULTIMATE.start_main_~#t2196~0.base_13| (store (select |v_#memory_int_16| |v_ULTIMATE.start_main_~#t2196~0.base_13|) |v_ULTIMATE.start_main_~#t2196~0.offset_11| 1))) (= (select |v_#valid_37| |v_ULTIMATE.start_main_~#t2196~0.base_13|) 0) (not (= 0 |v_ULTIMATE.start_main_~#t2196~0.base_13|)) (= |v_#length_17| (store |v_#length_18| |v_ULTIMATE.start_main_~#t2196~0.base_13| 4)) (= |v_#valid_36| (store |v_#valid_37| |v_ULTIMATE.start_main_~#t2196~0.base_13| 1))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_12|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_16|, #length=|v_#length_18|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_12|, ULTIMATE.start_main_~#t2196~0.base=|v_ULTIMATE.start_main_~#t2196~0.base_13|, ULTIMATE.start_main_~#t2196~0.offset=|v_ULTIMATE.start_main_~#t2196~0.offset_11|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_15|, #length=|v_#length_17|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2196~0.base, ULTIMATE.start_main_~#t2196~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {6139#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:36:32,208 INFO L280 TraceCheckUtils]: 4: Hoare triple {6139#(= 0 ~__unbuffered_cnt~0)} [158] L763-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork0_thidvar0_2) (= 0 |v_P1Thread1of1ForFork0_#in~arg.offset_3|) (= 0 |v_P1Thread1of1ForFork0_#in~arg.base_3|)) InVars {} OutVars{P1Thread1of1ForFork0_~arg.offset=v_P1Thread1of1ForFork0_~arg.offset_3, P1Thread1of1ForFork0_~arg.base=v_P1Thread1of1ForFork0_~arg.base_3, P1Thread1of1ForFork0_thidvar0=v_P1Thread1of1ForFork0_thidvar0_2, P1Thread1of1ForFork0_#in~arg.base=|v_P1Thread1of1ForFork0_#in~arg.base_3|, P1Thread1of1ForFork0_#in~arg.offset=|v_P1Thread1of1ForFork0_#in~arg.offset_3|, P1Thread1of1ForFork0_#res.offset=|v_P1Thread1of1ForFork0_#res.offset_3|, P1Thread1of1ForFork0_#res.base=|v_P1Thread1of1ForFork0_#res.base_3|} AuxVars[] AssignedVars[P1Thread1of1ForFork0_~arg.offset, P1Thread1of1ForFork0_~arg.base, P1Thread1of1ForFork0_thidvar0, P1Thread1of1ForFork0_#in~arg.base, P1Thread1of1ForFork0_#in~arg.offset, P1Thread1of1ForFork0_#res.offset, P1Thread1of1ForFork0_#res.base] {6139#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:36:32,209 INFO L280 TraceCheckUtils]: 5: Hoare triple {6139#(= 0 ~__unbuffered_cnt~0)} [201] L763-1-->L765: Formula: (and (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2197~0.base_12| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2197~0.base_12|) |v_ULTIMATE.start_main_~#t2197~0.offset_11| 2)) |v_#memory_int_13|) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2197~0.base_12|) (= 0 |v_ULTIMATE.start_main_~#t2197~0.offset_11|) (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t2197~0.base_12| 4) |v_#length_15|) (= |v_#valid_34| (store |v_#valid_35| |v_ULTIMATE.start_main_~#t2197~0.base_12| 1)) (not (= 0 |v_ULTIMATE.start_main_~#t2197~0.base_12|)) (= 0 (select |v_#valid_35| |v_ULTIMATE.start_main_~#t2197~0.base_12|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_35|, #memory_int=|v_#memory_int_14|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t2197~0.offset=|v_ULTIMATE.start_main_~#t2197~0.offset_11|, #valid=|v_#valid_34|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_13|, #length=|v_#length_15|, ULTIMATE.start_main_~#t2197~0.base=|v_ULTIMATE.start_main_~#t2197~0.base_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2197~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t2197~0.base] {6139#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:36:32,215 INFO L280 TraceCheckUtils]: 6: Hoare triple {6139#(= 0 ~__unbuffered_cnt~0)} [160] L765-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork1_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork1_thidvar0_2) (= 0 |v_P2Thread1of1ForFork1_#in~arg.base_3|)) InVars {} OutVars{P2Thread1of1ForFork1_#in~arg.offset=|v_P2Thread1of1ForFork1_#in~arg.offset_3|, P2Thread1of1ForFork1_~arg.offset=v_P2Thread1of1ForFork1_~arg.offset_3, P2Thread1of1ForFork1_~arg.base=v_P2Thread1of1ForFork1_~arg.base_3, P2Thread1of1ForFork1_#res.base=|v_P2Thread1of1ForFork1_#res.base_3|, P2Thread1of1ForFork1_#in~arg.base=|v_P2Thread1of1ForFork1_#in~arg.base_3|, P2Thread1of1ForFork1_#res.offset=|v_P2Thread1of1ForFork1_#res.offset_3|, P2Thread1of1ForFork1_thidvar0=v_P2Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P2Thread1of1ForFork1_#in~arg.offset, P2Thread1of1ForFork1_~arg.offset, P2Thread1of1ForFork1_~arg.base, P2Thread1of1ForFork1_#res.base, P2Thread1of1ForFork1_#in~arg.base, P2Thread1of1ForFork1_#res.offset, P2Thread1of1ForFork1_thidvar0] {6139#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:36:32,217 INFO L280 TraceCheckUtils]: 7: Hoare triple {6139#(= 0 ~__unbuffered_cnt~0)} [142] L711-->L714: Formula: (= v_~x~0_1 1) InVars {} OutVars{~x~0=v_~x~0_1} AuxVars[] AssignedVars[~x~0] {6139#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:36:32,217 INFO L280 TraceCheckUtils]: 8: Hoare triple {6139#(= 0 ~__unbuffered_cnt~0)} [186] P1ENTRY-->L726: Formula: (and (= v_P1Thread1of1ForFork0_~arg.base_4 |v_P1Thread1of1ForFork0_#in~arg.base_4|) (= v_P1Thread1of1ForFork0_~arg.offset_4 |v_P1Thread1of1ForFork0_#in~arg.offset_4|) (= 2 v_~x~0_13)) InVars {P1Thread1of1ForFork0_#in~arg.base=|v_P1Thread1of1ForFork0_#in~arg.base_4|, P1Thread1of1ForFork0_#in~arg.offset=|v_P1Thread1of1ForFork0_#in~arg.offset_4|} OutVars{P1Thread1of1ForFork0_~arg.offset=v_P1Thread1of1ForFork0_~arg.offset_4, P1Thread1of1ForFork0_~arg.base=v_P1Thread1of1ForFork0_~arg.base_4, P1Thread1of1ForFork0_#in~arg.base=|v_P1Thread1of1ForFork0_#in~arg.base_4|, P1Thread1of1ForFork0_#in~arg.offset=|v_P1Thread1of1ForFork0_#in~arg.offset_4|, ~x~0=v_~x~0_13} AuxVars[] AssignedVars[P1Thread1of1ForFork0_~arg.offset, P1Thread1of1ForFork0_~arg.base, ~x~0] {6139#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:36:32,219 INFO L280 TraceCheckUtils]: 9: Hoare triple {6139#(= 0 ~__unbuffered_cnt~0)} [193] L726-->P1EXIT: Formula: (and (= 0 |v_P1Thread1of1ForFork0_#res.offset_13|) (= v_~__unbuffered_cnt~0_71 (+ v_~__unbuffered_cnt~0_72 1)) (= 0 |v_P1Thread1of1ForFork0_#res.base_13|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_72} OutVars{~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_71, P1Thread1of1ForFork0_#res.offset=|v_P1Thread1of1ForFork0_#res.offset_13|, P1Thread1of1ForFork0_#res.base=|v_P1Thread1of1ForFork0_#res.base_13|} AuxVars[] AssignedVars[~__unbuffered_cnt~0, P1Thread1of1ForFork0_#res.offset, P1Thread1of1ForFork0_#res.base] {6140#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:36:32,219 INFO L280 TraceCheckUtils]: 10: Hoare triple {6140#(<= ~__unbuffered_cnt~0 1)} [178] P2ENTRY-->L738: Formula: (and (= v_P2Thread1of1ForFork1_~arg.base_4 |v_P2Thread1of1ForFork1_#in~arg.base_4|) (= v_~__unbuffered_p2_EAX~0_8 v_~x~0_11) (= v_P2Thread1of1ForFork1_~arg.offset_4 |v_P2Thread1of1ForFork1_#in~arg.offset_4|)) InVars {P2Thread1of1ForFork1_#in~arg.offset=|v_P2Thread1of1ForFork1_#in~arg.offset_4|, P2Thread1of1ForFork1_#in~arg.base=|v_P2Thread1of1ForFork1_#in~arg.base_4|, ~x~0=v_~x~0_11} OutVars{P2Thread1of1ForFork1_#in~arg.offset=|v_P2Thread1of1ForFork1_#in~arg.offset_4|, P2Thread1of1ForFork1_~arg.offset=v_P2Thread1of1ForFork1_~arg.offset_4, P2Thread1of1ForFork1_~arg.base=v_P2Thread1of1ForFork1_~arg.base_4, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_8, P2Thread1of1ForFork1_#in~arg.base=|v_P2Thread1of1ForFork1_#in~arg.base_4|, ~x~0=v_~x~0_11} AuxVars[] AssignedVars[P2Thread1of1ForFork1_~arg.offset, P2Thread1of1ForFork1_~arg.base, ~__unbuffered_p2_EAX~0] {6140#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:36:32,220 INFO L280 TraceCheckUtils]: 11: Hoare triple {6140#(<= ~__unbuffered_cnt~0 1)} [204] L714-->P0EXIT: Formula: (and (= |v_P0Thread1of1ForFork2_#res.offset_5| 0) (= v_~__unbuffered_cnt~0_101 (+ v_~__unbuffered_cnt~0_102 1)) (= 0 |v_P0Thread1of1ForFork2_#res.base_5|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_102} OutVars{P0Thread1of1ForFork2_#res.offset=|v_P0Thread1of1ForFork2_#res.offset_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_101, P0Thread1of1ForFork2_#res.base=|v_P0Thread1of1ForFork2_#res.base_5|} AuxVars[] AssignedVars[P0Thread1of1ForFork2_#res.offset, ~__unbuffered_cnt~0, P0Thread1of1ForFork2_#res.base] {6141#(<= ~__unbuffered_cnt~0 2)} is VALID [2020-07-28 21:36:32,223 INFO L280 TraceCheckUtils]: 12: Hoare triple {6141#(<= ~__unbuffered_cnt~0 2)} [202] L765-1-->L2: Formula: (and (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond_6| (mod v_~main$tmp_guard0~0_22 256)) (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_96))) (or (and (not .cse0) (= 0 v_~main$tmp_guard0~0_22)) (and (= 1 v_~main$tmp_guard0~0_22) .cse0)))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_96} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_6|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_13, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_14|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_96, ~main$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] {6142#(= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0)} is VALID [2020-07-28 21:36:32,224 INFO L280 TraceCheckUtils]: 13: Hoare triple {6142#(= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0)} [214] L2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 2 v_~y~0_38) (= 2 v_~__unbuffered_p2_EAX~0_31) (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_19) (= v_ULTIMATE.start_assume_abort_if_not_~cond_30 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (= v_ULTIMATE.start___VERIFIER_assert_~expression_19 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_17|) (= 0 v_~main$tmp_guard1~0_29) (= 2 v_~x~0_43) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_30))) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_31, ~y~0=v_~y~0_38, ~x~0=v_~x~0_43} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_19, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_30, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_29, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_31, ~y~0=v_~y~0_38, ~x~0=v_~x~0_43, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_17|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {6138#false} is VALID [2020-07-28 21:36:32,225 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 21:36:32,225 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133465781] [2020-07-28 21:36:32,225 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:36:32,225 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 21:36:32,226 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067553359] [2020-07-28 21:36:32,226 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-07-28 21:36:32,226 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:36:32,226 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 21:36:32,243 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 21:36:32,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 21:36:32,244 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:36:32,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 21:36:32,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-28 21:36:32,244 INFO L87 Difference]: Start difference. First operand 63 states and 106 transitions. Second operand 6 states. [2020-07-28 21:36:32,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:36:32,330 INFO L93 Difference]: Finished difference Result 58 states and 100 transitions. [2020-07-28 21:36:32,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 21:36:32,330 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-07-28 21:36:32,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:36:32,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 21:36:32,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 33 transitions. [2020-07-28 21:36:32,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 21:36:32,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 33 transitions. [2020-07-28 21:36:32,332 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 33 transitions. [2020-07-28 21:36:32,367 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 21:36:32,368 INFO L225 Difference]: With dead ends: 58 [2020-07-28 21:36:32,368 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 21:36:32,368 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 21:36:32,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 21:36:32,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 21:36:32,369 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:36:32,370 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 21:36:32,370 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 21:36:32,370 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 21:36:32,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:36:32,370 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 21:36:32,370 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 21:36:32,370 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:36:32,371 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:36:32,371 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 21:36:32,371 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 21:36:32,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:36:32,371 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 21:36:32,372 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 21:36:32,372 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:36:32,372 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:36:32,372 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:36:32,372 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:36:32,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 21:36:32,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 21:36:32,373 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2020-07-28 21:36:32,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:36:32,373 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 21:36:32,373 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 21:36:32,373 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 21:36:32,373 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:36:32,373 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-28 21:36:32,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 09:36:32 BasicIcfg [2020-07-28 21:36:32,378 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 21:36:32,379 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 21:36:32,379 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 21:36:32,379 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 21:36:32,380 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 09:36:26" (3/4) ... [2020-07-28 21:36:32,384 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 21:36:32,390 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2020-07-28 21:36:32,390 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2020-07-28 21:36:32,390 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2020-07-28 21:36:32,398 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-07-28 21:36:32,399 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-07-28 21:36:32,399 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 21:36:32,467 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 21:36:32,468 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 21:36:32,470 INFO L168 Benchmark]: Toolchain (without parser) took 7336.28 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 310.4 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -167.8 MB). Peak memory consumption was 142.6 MB. Max. memory is 11.5 GB. [2020-07-28 21:36:32,470 INFO L168 Benchmark]: CDTParser took 0.37 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 21:36:32,471 INFO L168 Benchmark]: CACSL2BoogieTranslator took 717.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -134.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2020-07-28 21:36:32,471 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.57 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 21:36:32,471 INFO L168 Benchmark]: Boogie Preprocessor took 32.29 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 21:36:32,472 INFO L168 Benchmark]: RCFGBuilder took 537.39 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: 39.5 MB). Peak memory consumption was 39.5 MB. Max. memory is 11.5 GB. [2020-07-28 21:36:32,472 INFO L168 Benchmark]: TraceAbstraction took 5891.75 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 187.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -82.9 MB). Peak memory consumption was 104.3 MB. Max. memory is 11.5 GB. [2020-07-28 21:36:32,473 INFO L168 Benchmark]: Witness Printer took 88.93 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2020-07-28 21:36:32,475 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 0.37 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 717.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -134.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 61.57 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 32.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 537.39 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: 39.5 MB). Peak memory consumption was 39.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5891.75 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 187.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -82.9 MB). Peak memory consumption was 104.3 MB. Max. memory is 11.5 GB. * Witness Printer took 88.93 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.4s, 75 ProgramPointsBefore, 30 ProgramPointsAfterwards, 67 TransitionsBefore, 20 TransitionsAfterwards, 1178 CoEnabledTransitionPairs, 6 FixpointIterations, 12 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 2 ChoiceCompositions, 621 VarBasedMoverChecksPositive, 32 VarBasedMoverChecksNegative, 16 SemBasedMoverChecksPositive, 27 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.7s, 0 MoverChecksTotal, 1818 CheckedPairsTotal, 52 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, 66 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.7s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.5s, HoareTripleCheckerStatistics: 179 SDtfs, 121 SDslu, 194 SDs, 0 SdLazy, 99 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=226occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 4 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 115 NumberOfCodeBlocks, 115 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 105 ConstructedInterpolants, 0 QuantifiedInterpolants, 2783 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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...