./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe037_rmo.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/safe037_rmo.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 f3b920e1fb8b7ab3f725467622e6ca64e9af8f53 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 21:47:55,953 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 21:47:55,956 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 21:47:55,968 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 21:47:55,969 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 21:47:55,970 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 21:47:55,972 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 21:47:55,974 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 21:47:55,976 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 21:47:55,977 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 21:47:55,978 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 21:47:55,979 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 21:47:55,979 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 21:47:55,981 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 21:47:55,982 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 21:47:55,983 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 21:47:55,984 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 21:47:55,985 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 21:47:55,987 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 21:47:55,989 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 21:47:55,990 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 21:47:55,992 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 21:47:55,993 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 21:47:55,994 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 21:47:55,997 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 21:47:55,997 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 21:47:55,998 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 21:47:55,999 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 21:47:55,999 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 21:47:56,000 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 21:47:56,001 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 21:47:56,001 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 21:47:56,002 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 21:47:56,003 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 21:47:56,004 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 21:47:56,005 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 21:47:56,005 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 21:47:56,006 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 21:47:56,006 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 21:47:56,007 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 21:47:56,008 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 21:47:56,009 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 21:47:56,025 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 21:47:56,025 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 21:47:56,026 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 21:47:56,027 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 21:47:56,027 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 21:47:56,027 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 21:47:56,028 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 21:47:56,028 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 21:47:56,028 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 21:47:56,029 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 21:47:56,029 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 21:47:56,029 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 21:47:56,029 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 21:47:56,030 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 21:47:56,030 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 21:47:56,030 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 21:47:56,031 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 21:47:56,031 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 21:47:56,031 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 21:47:56,031 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 21:47:56,032 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 21:47:56,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 21:47:56,032 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 21:47:56,033 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 21:47:56,033 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 21:47:56,033 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 21:47:56,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 21:47:56,034 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 21:47:56,034 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 21:47:56,035 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 -> f3b920e1fb8b7ab3f725467622e6ca64e9af8f53 [2020-07-28 21:47:56,421 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 21:47:56,435 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 21:47:56,439 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 21:47:56,441 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 21:47:56,441 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 21:47:56,442 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe037_rmo.oepc.i [2020-07-28 21:47:56,506 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8c73e776/4e000d4877444a22a2b8e269d7d4103e/FLAGfc1d17dea [2020-07-28 21:47:57,023 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 21:47:57,024 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe037_rmo.oepc.i [2020-07-28 21:47:57,039 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8c73e776/4e000d4877444a22a2b8e269d7d4103e/FLAGfc1d17dea [2020-07-28 21:47:57,367 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8c73e776/4e000d4877444a22a2b8e269d7d4103e [2020-07-28 21:47:57,371 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 21:47:57,373 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 21:47:57,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 21:47:57,375 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 21:47:57,379 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 21:47:57,380 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 09:47:57" (1/1) ... [2020-07-28 21:47:57,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5acebbb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:47:57, skipping insertion in model container [2020-07-28 21:47:57,384 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 09:47:57" (1/1) ... [2020-07-28 21:47:57,392 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 21:47:57,440 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 21:47:57,863 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 21:47:57,875 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 21:47:57,928 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 21:47:58,028 INFO L208 MainTranslator]: Completed translation [2020-07-28 21:47:58,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:47:58 WrapperNode [2020-07-28 21:47:58,029 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 21:47:58,030 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 21:47:58,030 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 21:47:58,030 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 21:47:58,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:47:58" (1/1) ... [2020-07-28 21:47:58,057 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:47:58" (1/1) ... [2020-07-28 21:47:58,085 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 21:47:58,086 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 21:47:58,086 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 21:47:58,086 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 21:47:58,096 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:47:58" (1/1) ... [2020-07-28 21:47:58,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:47:58" (1/1) ... [2020-07-28 21:47:58,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:47:58" (1/1) ... [2020-07-28 21:47:58,100 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:47:58" (1/1) ... [2020-07-28 21:47:58,109 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:47:58" (1/1) ... [2020-07-28 21:47:58,112 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:47:58" (1/1) ... [2020-07-28 21:47:58,114 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:47:58" (1/1) ... [2020-07-28 21:47:58,117 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 21:47:58,118 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 21:47:58,118 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 21:47:58,118 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 21:47:58,119 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:47:58" (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 21:47:58,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-28 21:47:58,197 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-07-28 21:47:58,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 21:47:58,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 21:47:58,197 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-07-28 21:47:58,198 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-07-28 21:47:58,198 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-07-28 21:47:58,198 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-07-28 21:47:58,198 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-07-28 21:47:58,198 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-07-28 21:47:58,199 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-07-28 21:47:58,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 21:47:58,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 21:47:58,201 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 21:47:58,692 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 21:47:58,693 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-07-28 21:47:58,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 09:47:58 BoogieIcfgContainer [2020-07-28 21:47:58,698 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 21:47:58,699 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 21:47:58,699 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 21:47:58,703 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 21:47:58,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 09:47:57" (1/3) ... [2020-07-28 21:47:58,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77213986 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 09:47:58, skipping insertion in model container [2020-07-28 21:47:58,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:47:58" (2/3) ... [2020-07-28 21:47:58,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77213986 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 09:47:58, skipping insertion in model container [2020-07-28 21:47:58,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 09:47:58" (3/3) ... [2020-07-28 21:47:58,707 INFO L109 eAbstractionObserver]: Analyzing ICFG safe037_rmo.oepc.i [2020-07-28 21:47:58,717 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-07-28 21:47:58,718 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 21:47:58,726 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 21:47:58,727 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-07-28 21:47:58,758 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:47:58,758 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:47:58,759 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:47:58,759 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:47:58,760 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:47:58,760 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:47:58,761 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:47:58,761 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:47:58,761 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:47:58,762 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:47:58,762 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:47:58,762 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:47:58,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:47:58,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:47:58,763 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:47:58,764 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:47:58,764 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:47:58,765 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:47:58,768 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:47:58,769 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:47:58,769 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:47:58,770 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:47:58,780 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:47:58,781 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:47:58,781 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:47:58,781 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:47:58,784 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:47:58,784 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:47:58,784 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:47:58,785 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:47:58,800 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-07-28 21:47:58,821 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 21:47:58,822 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 21:47:58,822 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 21:47:58,822 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 21:47:58,822 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 21:47:58,822 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 21:47:58,823 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 21:47:58,823 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 21:47:58,839 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 71 transitions, 157 flow [2020-07-28 21:47:58,841 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 71 transitions, 157 flow [2020-07-28 21:47:58,888 INFO L129 PetriNetUnfolder]: 2/68 cut-off events. [2020-07-28 21:47:58,888 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-07-28 21:47:58,894 INFO L80 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 68 events. 2/68 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 50 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-07-28 21:47:58,897 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 71 transitions, 157 flow [2020-07-28 21:47:58,922 INFO L129 PetriNetUnfolder]: 2/68 cut-off events. [2020-07-28 21:47:58,922 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-07-28 21:47:58,924 INFO L80 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 68 events. 2/68 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 50 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-07-28 21:47:58,930 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1260 [2020-07-28 21:47:58,931 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-07-28 21:48:00,968 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2315 [2020-07-28 21:48:00,968 INFO L214 etLargeBlockEncoding]: Total number of compositions: 57 [2020-07-28 21:48:00,972 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 32 places, 23 transitions, 61 flow [2020-07-28 21:48:01,005 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 362 states. [2020-07-28 21:48:01,008 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states. [2020-07-28 21:48:01,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-07-28 21:48:01,017 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:48:01,018 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:48:01,019 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:48:01,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:48:01,028 INFO L82 PathProgramCache]: Analyzing trace with hash 385809968, now seen corresponding path program 1 times [2020-07-28 21:48:01,043 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:48:01,044 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630812946] [2020-07-28 21:48:01,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:48:01,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:48:01,232 INFO L280 TraceCheckUtils]: 0: Hoare triple {806#true} [228] ULTIMATE.startENTRY-->L776: Formula: (let ((.cse0 (store |v_#valid_51| 0 0))) (and (= 0 |v_#NULL.base_5|) (= 0 v_~main$tmp_guard1~0_27) (= 0 v_~z~0_23) (= (store |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2653~0.base_15| (store (select |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2653~0.base_15|) |v_ULTIMATE.start_main_~#t2653~0.offset_13| 0)) |v_#memory_int_17|) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t2653~0.base_15|)) (= 0 v_~y~0_18) (= 0 v_~main$tmp_guard0~0_43) (= |v_#length_21| (store |v_#length_22| |v_ULTIMATE.start_main_~#t2653~0.base_15| 4)) (= |v_#valid_49| (store .cse0 |v_ULTIMATE.start_main_~#t2653~0.base_15| 1)) (= 0 v_~__unbuffered_p1_EAX~0_30) (= 0 v_~__unbuffered_p2_EAX~0_33) (= 0 |v_#NULL.offset_5|) (= 0 |v_ULTIMATE.start_main_~#t2653~0.offset_13|) (< 0 |v_#StackHeapBarrier_14|) (= 0 v_~x~0_18) (= 0 v_~__unbuffered_p0_EAX~0_29) (= v_~__unbuffered_cnt~0_129 0) (< |v_#StackHeapBarrier_14| |v_ULTIMATE.start_main_~#t2653~0.base_15|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_14|, #valid=|v_#valid_51|, #memory_int=|v_#memory_int_18|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_27|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_~#t2654~0.base=|v_ULTIMATE.start_main_~#t2654~0.base_17|, 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_27, ULTIMATE.start_main_~#t2655~0.base=|v_ULTIMATE.start_main_~#t2655~0.base_17|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_29, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_30, ULTIMATE.start_main_~#t2655~0.offset=|v_ULTIMATE.start_main_~#t2655~0.offset_14|, #length=|v_#length_21|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_33, ~y~0=v_~y~0_18, ULTIMATE.start_main_~#t2654~0.offset=|v_ULTIMATE.start_main_~#t2654~0.offset_14|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_43, #NULL.base=|v_#NULL.base_5|, ULTIMATE.start_main_~#t2653~0.offset=|v_ULTIMATE.start_main_~#t2653~0.offset_13|, #StackHeapBarrier=|v_#StackHeapBarrier_14|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_16|, #valid=|v_#valid_49|, #memory_int=|v_#memory_int_17|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_129, ~z~0=v_~z~0_23, ULTIMATE.start_main_~#t2653~0.base=|v_ULTIMATE.start_main_~#t2653~0.base_15|, ~x~0=v_~x~0_18} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2654~0.offset, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~#t2654~0.base, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t2655~0.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t2653~0.offset, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_~#t2655~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ULTIMATE.start_main_~#t2653~0.base, ~x~0] {806#true} is VALID [2020-07-28 21:48:01,233 INFO L280 TraceCheckUtils]: 1: Hoare triple {806#true} [167] L776-->P0ENTRY: Formula: (and (= 0 v_P0Thread1of1ForFork0_thidvar0_2) (= 0 |v_P0Thread1of1ForFork0_#in~arg.base_3|) (= 0 |v_P0Thread1of1ForFork0_#in~arg.offset_3|)) InVars {} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_3|, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_3|, P0Thread1of1ForFork0_thidvar0=v_P0Thread1of1ForFork0_thidvar0_2, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_3|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_3|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_3, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_3} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#in~arg.offset, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_thidvar0, P0Thread1of1ForFork0_#in~arg.base, P0Thread1of1ForFork0_#res.base, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {806#true} is VALID [2020-07-28 21:48:01,233 INFO L280 TraceCheckUtils]: 2: Hoare triple {806#true} [217] L776-1-->L778: Formula: (and (= 0 (select |v_#valid_39| |v_ULTIMATE.start_main_~#t2654~0.base_13|)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2654~0.base_13|) (not (= 0 |v_ULTIMATE.start_main_~#t2654~0.base_13|)) (= |v_#valid_38| (store |v_#valid_39| |v_ULTIMATE.start_main_~#t2654~0.base_13| 1)) (= 0 |v_ULTIMATE.start_main_~#t2654~0.offset_11|) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2654~0.base_13| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2654~0.base_13|) |v_ULTIMATE.start_main_~#t2654~0.offset_11| 1)) |v_#memory_int_13|) (= |v_#length_17| (store |v_#length_18| |v_ULTIMATE.start_main_~#t2654~0.base_13| 4))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_39|, #memory_int=|v_#memory_int_14|, #length=|v_#length_18|} OutVars{ULTIMATE.start_main_~#t2654~0.offset=|v_ULTIMATE.start_main_~#t2654~0.offset_11|, #StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t2654~0.base=|v_ULTIMATE.start_main_~#t2654~0.base_13|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, #valid=|v_#valid_38|, #memory_int=|v_#memory_int_13|, #length=|v_#length_17|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2654~0.offset, ULTIMATE.start_main_~#t2654~0.base, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {806#true} is VALID [2020-07-28 21:48:01,234 INFO L280 TraceCheckUtils]: 3: Hoare triple {806#true} [169] L778-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork1_thidvar0_2) (= 0 |v_P1Thread1of1ForFork1_#in~arg.base_3|) (= 0 |v_P1Thread1of1ForFork1_#in~arg.offset_3|)) InVars {} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_3, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_3|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_3, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_3|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_3|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_3|, P1Thread1of1ForFork1_thidvar0=v_P1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_#res.offset, P1Thread1of1ForFork1_~arg.base, P1Thread1of1ForFork1_#in~arg.base, P1Thread1of1ForFork1_#in~arg.offset, P1Thread1of1ForFork1_#res.base, P1Thread1of1ForFork1_thidvar0] {806#true} is VALID [2020-07-28 21:48:01,235 INFO L280 TraceCheckUtils]: 4: Hoare triple {806#true} [216] L778-1-->L780: Formula: (and (= 0 (select |v_#valid_37| |v_ULTIMATE.start_main_~#t2655~0.base_13|)) (= |v_#memory_int_11| (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2655~0.base_13| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2655~0.base_13|) |v_ULTIMATE.start_main_~#t2655~0.offset_11| 2))) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t2655~0.base_13| 4)) (not (= 0 |v_ULTIMATE.start_main_~#t2655~0.base_13|)) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t2655~0.base_13|) (= |v_#valid_36| (store |v_#valid_37| |v_ULTIMATE.start_main_~#t2655~0.base_13| 1)) (= 0 |v_ULTIMATE.start_main_~#t2655~0.offset_11|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_12|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_~#t2655~0.offset=|v_ULTIMATE.start_main_~#t2655~0.offset_11|, #valid=|v_#valid_36|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_11|, #length=|v_#length_15|, ULTIMATE.start_main_~#t2655~0.base=|v_ULTIMATE.start_main_~#t2655~0.base_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2655~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t2655~0.base] {806#true} is VALID [2020-07-28 21:48:01,235 INFO L280 TraceCheckUtils]: 5: Hoare triple {806#true} [171] L780-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#in~arg.base_3|) (= 0 |v_P2Thread1of1ForFork2_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_3|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_3, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_3, P2Thread1of1ForFork2_thidvar0=v_P2Thread1of1ForFork2_thidvar0_2, P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_3|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_3|, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_3|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#in~arg.offset, P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, P2Thread1of1ForFork2_thidvar0, P2Thread1of1ForFork2_#res.base, P2Thread1of1ForFork2_#in~arg.base, P2Thread1of1ForFork2_#res.offset] {806#true} is VALID [2020-07-28 21:48:01,236 INFO L280 TraceCheckUtils]: 6: Hoare triple {806#true} [226] L780-1-->L790: Formula: false InVars {} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_10|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_14, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_22|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_24, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_38, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_12|} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard1~0, ~main$tmp_guard0~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {807#false} is VALID [2020-07-28 21:48:01,237 INFO L280 TraceCheckUtils]: 7: Hoare triple {807#false} [203] L790-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_9) (= v_ULTIMATE.start___VERIFIER_assert_~expression_9 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_9, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] {807#false} is VALID [2020-07-28 21:48:01,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 21:48:01,240 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630812946] [2020-07-28 21:48:01,242 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:48:01,242 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 21:48:01,243 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029086363] [2020-07-28 21:48:01,250 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-07-28 21:48:01,252 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:48:01,257 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 21:48:01,279 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 8 edges. 8 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:48:01,279 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 21:48:01,279 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:48:01,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 21:48:01,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 21:48:01,294 INFO L87 Difference]: Start difference. First operand 362 states. Second operand 2 states. [2020-07-28 21:48:01,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:01,427 INFO L93 Difference]: Finished difference Result 362 states and 1072 transitions. [2020-07-28 21:48:01,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 21:48:01,427 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-07-28 21:48:01,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:48:01,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 21:48:01,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 20 transitions. [2020-07-28 21:48:01,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 21:48:01,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 20 transitions. [2020-07-28 21:48:01,431 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 20 transitions. [2020-07-28 21:48:01,463 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:48:01,498 INFO L225 Difference]: With dead ends: 362 [2020-07-28 21:48:01,499 INFO L226 Difference]: Without dead ends: 298 [2020-07-28 21:48:01,501 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 21:48:01,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2020-07-28 21:48:01,555 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,557 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,558 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,558 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,559 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,559 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,559 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,559 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,560 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,560 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,560 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,561 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,561 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,561 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,562 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,562 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,562 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,563 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,563 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,563 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,564 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,564 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,564 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,565 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,565 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,565 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,565 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,566 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,566 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,566 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,567 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,567 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,567 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,568 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,568 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,568 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,568 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,569 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,569 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,569 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,570 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,570 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,570 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,571 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,571 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,571 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,572 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,572 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,572 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,573 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,573 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,573 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,574 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,574 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,574 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,575 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,575 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,575 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,575 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,576 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,576 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,576 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,577 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,577 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,577 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,578 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,578 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,578 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,579 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,579 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,579 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,580 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,580 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,580 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,580 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,581 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,581 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,581 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,582 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,582 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,582 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,583 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,583 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,583 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,584 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,584 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,584 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,585 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,585 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,585 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,585 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,586 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,586 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,586 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,587 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,587 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,587 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,588 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,588 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,588 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,589 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,589 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,589 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,590 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,590 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,590 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,591 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,591 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,591 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,592 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,592 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,592 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,593 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,593 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,593 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,594 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,594 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,594 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,595 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,595 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,595 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,596 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,596 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,596 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,597 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,597 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,597 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,598 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,598 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,598 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,599 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,599 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,599 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,599 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,600 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,600 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,600 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,601 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,601 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,601 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,602 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,602 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,602 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,603 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,603 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,603 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,604 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,604 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,604 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,605 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,605 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,605 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,606 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,606 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,606 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,606 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,607 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,607 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,607 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,608 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,608 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,608 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,609 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,609 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,609 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,610 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,610 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,610 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,611 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,611 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,611 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,612 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,612 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,612 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,613 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,613 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,613 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,613 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,614 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,614 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,615 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,615 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,615 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,615 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,616 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,616 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,616 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,617 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,617 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,617 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,618 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,618 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,618 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,619 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,619 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,619 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,620 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,620 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,620 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,621 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,621 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,621 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,622 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,622 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,622 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,623 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,623 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,623 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,623 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,624 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,624 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,624 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,625 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,625 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,625 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,626 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,626 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,626 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,627 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,627 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,627 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,627 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,628 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,628 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,628 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,629 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,629 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,629 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,630 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,630 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,630 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,631 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,631 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,631 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,632 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,632 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,632 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,632 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,633 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,633 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,633 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,634 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,634 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,634 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,635 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,635 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,635 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,636 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,636 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,636 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,637 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,637 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,637 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,638 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,638 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,638 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,639 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,639 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,639 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,640 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,640 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,641 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,641 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,641 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,642 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,642 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,642 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,643 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,643 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,643 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,644 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,644 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,644 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,645 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,645 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,645 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,645 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,646 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,646 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,646 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,647 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,647 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,647 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,648 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,648 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,648 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,649 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,649 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,649 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,650 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,650 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,650 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,651 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,651 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,651 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,652 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,652 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,653 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:01,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298. [2020-07-28 21:48:01,654 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:48:01,655 INFO L82 GeneralOperation]: Start isEquivalent. First operand 298 states. Second operand 298 states. [2020-07-28 21:48:01,655 INFO L74 IsIncluded]: Start isIncluded. First operand 298 states. Second operand 298 states. [2020-07-28 21:48:01,656 INFO L87 Difference]: Start difference. First operand 298 states. Second operand 298 states. [2020-07-28 21:48:01,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:01,685 INFO L93 Difference]: Finished difference Result 298 states and 864 transitions. [2020-07-28 21:48:01,685 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 864 transitions. [2020-07-28 21:48:01,689 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:01,689 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:01,689 INFO L74 IsIncluded]: Start isIncluded. First operand 298 states. Second operand 298 states. [2020-07-28 21:48:01,690 INFO L87 Difference]: Start difference. First operand 298 states. Second operand 298 states. [2020-07-28 21:48:01,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:01,718 INFO L93 Difference]: Finished difference Result 298 states and 864 transitions. [2020-07-28 21:48:01,718 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 864 transitions. [2020-07-28 21:48:01,720 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:01,721 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:01,721 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:48:01,721 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:48:01,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-07-28 21:48:01,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 864 transitions. [2020-07-28 21:48:01,744 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 864 transitions. Word has length 8 [2020-07-28 21:48:01,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:48:01,745 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 864 transitions. [2020-07-28 21:48:01,745 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 21:48:01,745 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 864 transitions. [2020-07-28 21:48:01,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-07-28 21:48:01,746 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:48:01,746 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:48:01,747 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 21:48:01,747 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:48:01,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:48:01,747 INFO L82 PathProgramCache]: Analyzing trace with hash -924796273, now seen corresponding path program 1 times [2020-07-28 21:48:01,748 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:48:01,748 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964429203] [2020-07-28 21:48:01,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:48:01,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:48:01,906 INFO L280 TraceCheckUtils]: 0: Hoare triple {2364#true} [228] ULTIMATE.startENTRY-->L776: Formula: (let ((.cse0 (store |v_#valid_51| 0 0))) (and (= 0 |v_#NULL.base_5|) (= 0 v_~main$tmp_guard1~0_27) (= 0 v_~z~0_23) (= (store |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2653~0.base_15| (store (select |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2653~0.base_15|) |v_ULTIMATE.start_main_~#t2653~0.offset_13| 0)) |v_#memory_int_17|) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t2653~0.base_15|)) (= 0 v_~y~0_18) (= 0 v_~main$tmp_guard0~0_43) (= |v_#length_21| (store |v_#length_22| |v_ULTIMATE.start_main_~#t2653~0.base_15| 4)) (= |v_#valid_49| (store .cse0 |v_ULTIMATE.start_main_~#t2653~0.base_15| 1)) (= 0 v_~__unbuffered_p1_EAX~0_30) (= 0 v_~__unbuffered_p2_EAX~0_33) (= 0 |v_#NULL.offset_5|) (= 0 |v_ULTIMATE.start_main_~#t2653~0.offset_13|) (< 0 |v_#StackHeapBarrier_14|) (= 0 v_~x~0_18) (= 0 v_~__unbuffered_p0_EAX~0_29) (= v_~__unbuffered_cnt~0_129 0) (< |v_#StackHeapBarrier_14| |v_ULTIMATE.start_main_~#t2653~0.base_15|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_14|, #valid=|v_#valid_51|, #memory_int=|v_#memory_int_18|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_27|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_~#t2654~0.base=|v_ULTIMATE.start_main_~#t2654~0.base_17|, 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_27, ULTIMATE.start_main_~#t2655~0.base=|v_ULTIMATE.start_main_~#t2655~0.base_17|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_29, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_30, ULTIMATE.start_main_~#t2655~0.offset=|v_ULTIMATE.start_main_~#t2655~0.offset_14|, #length=|v_#length_21|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_33, ~y~0=v_~y~0_18, ULTIMATE.start_main_~#t2654~0.offset=|v_ULTIMATE.start_main_~#t2654~0.offset_14|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_43, #NULL.base=|v_#NULL.base_5|, ULTIMATE.start_main_~#t2653~0.offset=|v_ULTIMATE.start_main_~#t2653~0.offset_13|, #StackHeapBarrier=|v_#StackHeapBarrier_14|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_16|, #valid=|v_#valid_49|, #memory_int=|v_#memory_int_17|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_129, ~z~0=v_~z~0_23, ULTIMATE.start_main_~#t2653~0.base=|v_ULTIMATE.start_main_~#t2653~0.base_15|, ~x~0=v_~x~0_18} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2654~0.offset, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~#t2654~0.base, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t2655~0.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t2653~0.offset, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_~#t2655~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ULTIMATE.start_main_~#t2653~0.base, ~x~0] {2366#(<= ~__unbuffered_cnt~0 0)} is VALID [2020-07-28 21:48:01,907 INFO L280 TraceCheckUtils]: 1: Hoare triple {2366#(<= ~__unbuffered_cnt~0 0)} [167] L776-->P0ENTRY: Formula: (and (= 0 v_P0Thread1of1ForFork0_thidvar0_2) (= 0 |v_P0Thread1of1ForFork0_#in~arg.base_3|) (= 0 |v_P0Thread1of1ForFork0_#in~arg.offset_3|)) InVars {} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_3|, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_3|, P0Thread1of1ForFork0_thidvar0=v_P0Thread1of1ForFork0_thidvar0_2, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_3|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_3|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_3, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_3} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#in~arg.offset, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_thidvar0, P0Thread1of1ForFork0_#in~arg.base, P0Thread1of1ForFork0_#res.base, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {2366#(<= ~__unbuffered_cnt~0 0)} is VALID [2020-07-28 21:48:01,908 INFO L280 TraceCheckUtils]: 2: Hoare triple {2366#(<= ~__unbuffered_cnt~0 0)} [217] L776-1-->L778: Formula: (and (= 0 (select |v_#valid_39| |v_ULTIMATE.start_main_~#t2654~0.base_13|)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2654~0.base_13|) (not (= 0 |v_ULTIMATE.start_main_~#t2654~0.base_13|)) (= |v_#valid_38| (store |v_#valid_39| |v_ULTIMATE.start_main_~#t2654~0.base_13| 1)) (= 0 |v_ULTIMATE.start_main_~#t2654~0.offset_11|) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2654~0.base_13| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2654~0.base_13|) |v_ULTIMATE.start_main_~#t2654~0.offset_11| 1)) |v_#memory_int_13|) (= |v_#length_17| (store |v_#length_18| |v_ULTIMATE.start_main_~#t2654~0.base_13| 4))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_39|, #memory_int=|v_#memory_int_14|, #length=|v_#length_18|} OutVars{ULTIMATE.start_main_~#t2654~0.offset=|v_ULTIMATE.start_main_~#t2654~0.offset_11|, #StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t2654~0.base=|v_ULTIMATE.start_main_~#t2654~0.base_13|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, #valid=|v_#valid_38|, #memory_int=|v_#memory_int_13|, #length=|v_#length_17|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2654~0.offset, ULTIMATE.start_main_~#t2654~0.base, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {2366#(<= ~__unbuffered_cnt~0 0)} is VALID [2020-07-28 21:48:01,909 INFO L280 TraceCheckUtils]: 3: Hoare triple {2366#(<= ~__unbuffered_cnt~0 0)} [169] L778-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork1_thidvar0_2) (= 0 |v_P1Thread1of1ForFork1_#in~arg.base_3|) (= 0 |v_P1Thread1of1ForFork1_#in~arg.offset_3|)) InVars {} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_3, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_3|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_3, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_3|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_3|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_3|, P1Thread1of1ForFork1_thidvar0=v_P1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_#res.offset, P1Thread1of1ForFork1_~arg.base, P1Thread1of1ForFork1_#in~arg.base, P1Thread1of1ForFork1_#in~arg.offset, P1Thread1of1ForFork1_#res.base, P1Thread1of1ForFork1_thidvar0] {2366#(<= ~__unbuffered_cnt~0 0)} is VALID [2020-07-28 21:48:01,910 INFO L280 TraceCheckUtils]: 4: Hoare triple {2366#(<= ~__unbuffered_cnt~0 0)} [216] L778-1-->L780: Formula: (and (= 0 (select |v_#valid_37| |v_ULTIMATE.start_main_~#t2655~0.base_13|)) (= |v_#memory_int_11| (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2655~0.base_13| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2655~0.base_13|) |v_ULTIMATE.start_main_~#t2655~0.offset_11| 2))) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t2655~0.base_13| 4)) (not (= 0 |v_ULTIMATE.start_main_~#t2655~0.base_13|)) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t2655~0.base_13|) (= |v_#valid_36| (store |v_#valid_37| |v_ULTIMATE.start_main_~#t2655~0.base_13| 1)) (= 0 |v_ULTIMATE.start_main_~#t2655~0.offset_11|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_12|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_~#t2655~0.offset=|v_ULTIMATE.start_main_~#t2655~0.offset_11|, #valid=|v_#valid_36|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_11|, #length=|v_#length_15|, ULTIMATE.start_main_~#t2655~0.base=|v_ULTIMATE.start_main_~#t2655~0.base_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2655~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t2655~0.base] {2366#(<= ~__unbuffered_cnt~0 0)} is VALID [2020-07-28 21:48:01,911 INFO L280 TraceCheckUtils]: 5: Hoare triple {2366#(<= ~__unbuffered_cnt~0 0)} [171] L780-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#in~arg.base_3|) (= 0 |v_P2Thread1of1ForFork2_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_3|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_3, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_3, P2Thread1of1ForFork2_thidvar0=v_P2Thread1of1ForFork2_thidvar0_2, P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_3|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_3|, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_3|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#in~arg.offset, P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, P2Thread1of1ForFork2_thidvar0, P2Thread1of1ForFork2_#res.base, P2Thread1of1ForFork2_#in~arg.base, P2Thread1of1ForFork2_#res.offset] {2366#(<= ~__unbuffered_cnt~0 0)} is VALID [2020-07-28 21:48:01,912 INFO L280 TraceCheckUtils]: 6: Hoare triple {2366#(<= ~__unbuffered_cnt~0 0)} [222] L780-1-->L2-1: Formula: (and (= v_ULTIMATE.start_assume_abort_if_not_~cond_13 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_9|) (= 1 v_~main$tmp_guard0~0_32) (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond_9| (mod v_~main$tmp_guard0~0_32 256)) (= 3 v_~__unbuffered_cnt~0_98)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_98} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_9|, 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_16|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_98, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_32} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {2365#false} is VALID [2020-07-28 21:48:01,913 INFO L280 TraceCheckUtils]: 7: Hoare triple {2365#false} [211] L2-1-->L790: Formula: (and (let ((.cse0 (= 0 v_~__unbuffered_p0_EAX~0_22)) (.cse2 (= 0 v_~__unbuffered_p1_EAX~0_23)) (.cse1 (= 0 v_~__unbuffered_p2_EAX~0_23))) (or (and .cse0 .cse1 (= 0 v_~main$tmp_guard1~0_19) .cse2) (and (or (not .cse0) (not .cse2) (not .cse1)) (= 1 v_~main$tmp_guard1~0_19)))) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_7| (mod v_~main$tmp_guard1~0_19 256))) InVars {~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_23, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_23, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_19, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_7|} AuxVars[] AssignedVars[~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {2365#false} is VALID [2020-07-28 21:48:01,913 INFO L280 TraceCheckUtils]: 8: Hoare triple {2365#false} [203] L790-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_9) (= v_ULTIMATE.start___VERIFIER_assert_~expression_9 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_9, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] {2365#false} is VALID [2020-07-28 21:48:01,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 21:48:01,914 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964429203] [2020-07-28 21:48:01,915 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:48:01,915 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 21:48:01,915 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030323163] [2020-07-28 21:48:01,916 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-07-28 21:48:01,917 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:48:01,917 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 21:48:01,931 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 9 edges. 9 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:48:01,932 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 21:48:01,932 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:48:01,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 21:48:01,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 21:48:01,933 INFO L87 Difference]: Start difference. First operand 298 states and 864 transitions. Second operand 3 states. [2020-07-28 21:48:02,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:02,003 INFO L93 Difference]: Finished difference Result 217 states and 540 transitions. [2020-07-28 21:48:02,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 21:48:02,003 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-07-28 21:48:02,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:48:02,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 21:48:02,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 32 transitions. [2020-07-28 21:48:02,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 21:48:02,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 32 transitions. [2020-07-28 21:48:02,005 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 32 transitions. [2020-07-28 21:48:02,052 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:48:02,058 INFO L225 Difference]: With dead ends: 217 [2020-07-28 21:48:02,059 INFO L226 Difference]: Without dead ends: 217 [2020-07-28 21:48:02,060 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 21:48:02,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2020-07-28 21:48:02,069 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,069 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,069 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,070 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,070 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,070 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,070 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,070 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,071 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,071 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,071 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,071 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,072 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,072 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,072 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,072 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,072 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,073 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,073 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,073 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,073 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,073 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,074 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,074 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,074 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,074 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,074 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,075 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,075 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,075 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,075 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,075 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,076 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,076 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,076 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,076 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,077 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,077 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,077 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,080 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,081 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,081 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,081 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,081 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,081 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,081 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,081 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,082 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,082 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,082 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,082 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,085 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,086 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,086 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,086 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,086 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,086 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,086 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,087 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,087 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,087 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,087 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,088 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,088 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,088 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,088 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,088 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,089 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,089 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,089 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,089 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,089 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,090 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,090 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,090 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,090 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,090 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,090 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,091 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,091 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,091 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,091 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,092 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,092 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,092 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,092 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,093 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,093 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,093 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,093 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,094 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,094 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,094 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,094 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,094 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,095 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,095 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,095 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,095 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,095 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,096 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,096 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,096 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,096 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,096 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,097 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,097 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,097 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,097 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,098 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,098 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,098 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,098 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,099 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,099 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,099 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,099 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,100 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,100 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,100 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,100 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,100 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,101 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,101 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,101 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,101 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,101 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,102 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,102 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,102 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,102 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,102 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,103 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,103 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,103 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,103 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,103 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,104 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,104 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,104 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,104 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,104 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,105 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,105 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,105 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,105 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,105 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,106 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,106 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,106 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,106 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,106 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,107 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,107 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,107 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,107 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,107 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,107 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,108 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,108 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,108 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,108 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,109 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,109 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,109 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,109 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,109 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,109 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,110 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,110 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,110 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,110 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,111 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,111 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,111 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,111 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,111 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,112 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,112 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,112 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,112 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,112 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,113 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,113 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,113 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,113 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,114 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,114 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,114 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,114 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,114 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,115 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,115 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,115 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,115 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,115 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,116 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,116 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,116 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,116 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,116 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,117 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,117 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,117 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,117 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,118 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,118 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,118 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,118 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,119 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,119 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,119 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,119 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,119 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,120 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,120 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,120 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2020-07-28 21:48:02,121 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:48:02,121 INFO L82 GeneralOperation]: Start isEquivalent. First operand 217 states. Second operand 217 states. [2020-07-28 21:48:02,121 INFO L74 IsIncluded]: Start isIncluded. First operand 217 states. Second operand 217 states. [2020-07-28 21:48:02,121 INFO L87 Difference]: Start difference. First operand 217 states. Second operand 217 states. [2020-07-28 21:48:02,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:02,133 INFO L93 Difference]: Finished difference Result 217 states and 540 transitions. [2020-07-28 21:48:02,133 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 540 transitions. [2020-07-28 21:48:02,134 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:02,134 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:02,134 INFO L74 IsIncluded]: Start isIncluded. First operand 217 states. Second operand 217 states. [2020-07-28 21:48:02,135 INFO L87 Difference]: Start difference. First operand 217 states. Second operand 217 states. [2020-07-28 21:48:02,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:02,146 INFO L93 Difference]: Finished difference Result 217 states and 540 transitions. [2020-07-28 21:48:02,146 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 540 transitions. [2020-07-28 21:48:02,147 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:02,147 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:02,147 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:48:02,147 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:48:02,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2020-07-28 21:48:02,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 540 transitions. [2020-07-28 21:48:02,159 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 540 transitions. Word has length 9 [2020-07-28 21:48:02,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:48:02,160 INFO L479 AbstractCegarLoop]: Abstraction has 217 states and 540 transitions. [2020-07-28 21:48:02,160 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 21:48:02,160 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 540 transitions. [2020-07-28 21:48:02,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-28 21:48:02,160 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:48:02,161 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:48:02,161 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 21:48:02,161 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:48:02,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:48:02,161 INFO L82 PathProgramCache]: Analyzing trace with hash 1123394358, now seen corresponding path program 1 times [2020-07-28 21:48:02,162 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:48:02,162 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054673800] [2020-07-28 21:48:02,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:48:02,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:48:02,232 INFO L280 TraceCheckUtils]: 0: Hoare triple {3454#true} [228] ULTIMATE.startENTRY-->L776: Formula: (let ((.cse0 (store |v_#valid_51| 0 0))) (and (= 0 |v_#NULL.base_5|) (= 0 v_~main$tmp_guard1~0_27) (= 0 v_~z~0_23) (= (store |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2653~0.base_15| (store (select |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2653~0.base_15|) |v_ULTIMATE.start_main_~#t2653~0.offset_13| 0)) |v_#memory_int_17|) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t2653~0.base_15|)) (= 0 v_~y~0_18) (= 0 v_~main$tmp_guard0~0_43) (= |v_#length_21| (store |v_#length_22| |v_ULTIMATE.start_main_~#t2653~0.base_15| 4)) (= |v_#valid_49| (store .cse0 |v_ULTIMATE.start_main_~#t2653~0.base_15| 1)) (= 0 v_~__unbuffered_p1_EAX~0_30) (= 0 v_~__unbuffered_p2_EAX~0_33) (= 0 |v_#NULL.offset_5|) (= 0 |v_ULTIMATE.start_main_~#t2653~0.offset_13|) (< 0 |v_#StackHeapBarrier_14|) (= 0 v_~x~0_18) (= 0 v_~__unbuffered_p0_EAX~0_29) (= v_~__unbuffered_cnt~0_129 0) (< |v_#StackHeapBarrier_14| |v_ULTIMATE.start_main_~#t2653~0.base_15|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_14|, #valid=|v_#valid_51|, #memory_int=|v_#memory_int_18|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_27|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_~#t2654~0.base=|v_ULTIMATE.start_main_~#t2654~0.base_17|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, #NULL.offset=|v_#NULL.offset_5|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_27, ULTIMATE.start_main_~#t2655~0.base=|v_ULTIMATE.start_main_~#t2655~0.base_17|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_29, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_30, ULTIMATE.start_main_~#t2655~0.offset=|v_ULTIMATE.start_main_~#t2655~0.offset_14|, #length=|v_#length_21|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_33, ~y~0=v_~y~0_18, ULTIMATE.start_main_~#t2654~0.offset=|v_ULTIMATE.start_main_~#t2654~0.offset_14|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_43, #NULL.base=|v_#NULL.base_5|, ULTIMATE.start_main_~#t2653~0.offset=|v_ULTIMATE.start_main_~#t2653~0.offset_13|, #StackHeapBarrier=|v_#StackHeapBarrier_14|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_16|, #valid=|v_#valid_49|, #memory_int=|v_#memory_int_17|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_129, ~z~0=v_~z~0_23, ULTIMATE.start_main_~#t2653~0.base=|v_ULTIMATE.start_main_~#t2653~0.base_15|, ~x~0=v_~x~0_18} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2654~0.offset, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~#t2654~0.base, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t2655~0.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t2653~0.offset, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_~#t2655~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ULTIMATE.start_main_~#t2653~0.base, ~x~0] {3456#(<= ~__unbuffered_cnt~0 0)} is VALID [2020-07-28 21:48:02,233 INFO L280 TraceCheckUtils]: 1: Hoare triple {3456#(<= ~__unbuffered_cnt~0 0)} [167] L776-->P0ENTRY: Formula: (and (= 0 v_P0Thread1of1ForFork0_thidvar0_2) (= 0 |v_P0Thread1of1ForFork0_#in~arg.base_3|) (= 0 |v_P0Thread1of1ForFork0_#in~arg.offset_3|)) InVars {} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_3|, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_3|, P0Thread1of1ForFork0_thidvar0=v_P0Thread1of1ForFork0_thidvar0_2, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_3|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_3|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_3, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_3} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#in~arg.offset, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_thidvar0, P0Thread1of1ForFork0_#in~arg.base, P0Thread1of1ForFork0_#res.base, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {3456#(<= ~__unbuffered_cnt~0 0)} is VALID [2020-07-28 21:48:02,234 INFO L280 TraceCheckUtils]: 2: Hoare triple {3456#(<= ~__unbuffered_cnt~0 0)} [192] P0ENTRY-->L717: Formula: (and (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= 1 v_~z~0_9) (= v_P0Thread1of1ForFork0_~arg.base_4 |v_P0Thread1of1ForFork0_#in~arg.base_4|)) InVars {P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~z~0=v_~z~0_9, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_4, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_4} AuxVars[] AssignedVars[~z~0, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {3456#(<= ~__unbuffered_cnt~0 0)} is VALID [2020-07-28 21:48:02,235 INFO L280 TraceCheckUtils]: 3: Hoare triple {3456#(<= ~__unbuffered_cnt~0 0)} [150] L717-->L722: Formula: (= v_~__unbuffered_p0_EAX~0_1 v_~x~0_1) InVars {~x~0=v_~x~0_1} OutVars{~x~0=v_~x~0_1, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_1} AuxVars[] AssignedVars[~__unbuffered_p0_EAX~0] {3456#(<= ~__unbuffered_cnt~0 0)} is VALID [2020-07-28 21:48:02,236 INFO L280 TraceCheckUtils]: 4: Hoare triple {3456#(<= ~__unbuffered_cnt~0 0)} [215] L722-->P0EXIT: Formula: (and (= (+ v_~__unbuffered_cnt~0_92 1) v_~__unbuffered_cnt~0_91) (= 0 |v_P0Thread1of1ForFork0_#res.offset_5|) (= 0 |v_P0Thread1of1ForFork0_#res.base_5|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_92} OutVars{P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_5|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_91} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_#res.base, ~__unbuffered_cnt~0] {3457#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:48:02,237 INFO L280 TraceCheckUtils]: 5: Hoare triple {3457#(<= ~__unbuffered_cnt~0 1)} [217] L776-1-->L778: Formula: (and (= 0 (select |v_#valid_39| |v_ULTIMATE.start_main_~#t2654~0.base_13|)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2654~0.base_13|) (not (= 0 |v_ULTIMATE.start_main_~#t2654~0.base_13|)) (= |v_#valid_38| (store |v_#valid_39| |v_ULTIMATE.start_main_~#t2654~0.base_13| 1)) (= 0 |v_ULTIMATE.start_main_~#t2654~0.offset_11|) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2654~0.base_13| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2654~0.base_13|) |v_ULTIMATE.start_main_~#t2654~0.offset_11| 1)) |v_#memory_int_13|) (= |v_#length_17| (store |v_#length_18| |v_ULTIMATE.start_main_~#t2654~0.base_13| 4))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_39|, #memory_int=|v_#memory_int_14|, #length=|v_#length_18|} OutVars{ULTIMATE.start_main_~#t2654~0.offset=|v_ULTIMATE.start_main_~#t2654~0.offset_11|, #StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t2654~0.base=|v_ULTIMATE.start_main_~#t2654~0.base_13|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, #valid=|v_#valid_38|, #memory_int=|v_#memory_int_13|, #length=|v_#length_17|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2654~0.offset, ULTIMATE.start_main_~#t2654~0.base, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {3457#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:48:02,238 INFO L280 TraceCheckUtils]: 6: Hoare triple {3457#(<= ~__unbuffered_cnt~0 1)} [169] L778-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork1_thidvar0_2) (= 0 |v_P1Thread1of1ForFork1_#in~arg.base_3|) (= 0 |v_P1Thread1of1ForFork1_#in~arg.offset_3|)) InVars {} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_3, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_3|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_3, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_3|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_3|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_3|, P1Thread1of1ForFork1_thidvar0=v_P1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_#res.offset, P1Thread1of1ForFork1_~arg.base, P1Thread1of1ForFork1_#in~arg.base, P1Thread1of1ForFork1_#in~arg.offset, P1Thread1of1ForFork1_#res.base, P1Thread1of1ForFork1_thidvar0] {3457#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:48:02,239 INFO L280 TraceCheckUtils]: 7: Hoare triple {3457#(<= ~__unbuffered_cnt~0 1)} [216] L778-1-->L780: Formula: (and (= 0 (select |v_#valid_37| |v_ULTIMATE.start_main_~#t2655~0.base_13|)) (= |v_#memory_int_11| (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2655~0.base_13| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2655~0.base_13|) |v_ULTIMATE.start_main_~#t2655~0.offset_11| 2))) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t2655~0.base_13| 4)) (not (= 0 |v_ULTIMATE.start_main_~#t2655~0.base_13|)) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t2655~0.base_13|) (= |v_#valid_36| (store |v_#valid_37| |v_ULTIMATE.start_main_~#t2655~0.base_13| 1)) (= 0 |v_ULTIMATE.start_main_~#t2655~0.offset_11|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_12|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_~#t2655~0.offset=|v_ULTIMATE.start_main_~#t2655~0.offset_11|, #valid=|v_#valid_36|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_11|, #length=|v_#length_15|, ULTIMATE.start_main_~#t2655~0.base=|v_ULTIMATE.start_main_~#t2655~0.base_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2655~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t2655~0.base] {3457#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:48:02,239 INFO L280 TraceCheckUtils]: 8: Hoare triple {3457#(<= ~__unbuffered_cnt~0 1)} [171] L780-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#in~arg.base_3|) (= 0 |v_P2Thread1of1ForFork2_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_3|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_3, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_3, P2Thread1of1ForFork2_thidvar0=v_P2Thread1of1ForFork2_thidvar0_2, P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_3|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_3|, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_3|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#in~arg.offset, P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, P2Thread1of1ForFork2_thidvar0, P2Thread1of1ForFork2_#res.base, P2Thread1of1ForFork2_#in~arg.base, P2Thread1of1ForFork2_#res.offset] {3457#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:48:02,240 INFO L280 TraceCheckUtils]: 9: Hoare triple {3457#(<= ~__unbuffered_cnt~0 1)} [222] L780-1-->L2-1: Formula: (and (= v_ULTIMATE.start_assume_abort_if_not_~cond_13 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_9|) (= 1 v_~main$tmp_guard0~0_32) (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond_9| (mod v_~main$tmp_guard0~0_32 256)) (= 3 v_~__unbuffered_cnt~0_98)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_98} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_9|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_13, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_16|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_98, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_32} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {3455#false} is VALID [2020-07-28 21:48:02,241 INFO L280 TraceCheckUtils]: 10: Hoare triple {3455#false} [211] L2-1-->L790: Formula: (and (let ((.cse0 (= 0 v_~__unbuffered_p0_EAX~0_22)) (.cse2 (= 0 v_~__unbuffered_p1_EAX~0_23)) (.cse1 (= 0 v_~__unbuffered_p2_EAX~0_23))) (or (and .cse0 .cse1 (= 0 v_~main$tmp_guard1~0_19) .cse2) (and (or (not .cse0) (not .cse2) (not .cse1)) (= 1 v_~main$tmp_guard1~0_19)))) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_7| (mod v_~main$tmp_guard1~0_19 256))) InVars {~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_23, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_23, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_19, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_7|} AuxVars[] AssignedVars[~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {3455#false} is VALID [2020-07-28 21:48:02,241 INFO L280 TraceCheckUtils]: 11: Hoare triple {3455#false} [203] L790-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_9) (= v_ULTIMATE.start___VERIFIER_assert_~expression_9 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_9, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] {3455#false} is VALID [2020-07-28 21:48:02,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 21:48:02,243 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054673800] [2020-07-28 21:48:02,243 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:48:02,243 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 21:48:02,243 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271013398] [2020-07-28 21:48:02,243 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-07-28 21:48:02,244 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:48:02,244 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 21:48:02,261 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:48:02,261 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 21:48:02,262 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:48:02,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 21:48:02,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-28 21:48:02,262 INFO L87 Difference]: Start difference. First operand 217 states and 540 transitions. Second operand 4 states. [2020-07-28 21:48:02,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:02,339 INFO L93 Difference]: Finished difference Result 136 states and 297 transitions. [2020-07-28 21:48:02,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-28 21:48:02,339 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-07-28 21:48:02,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:48:02,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:48:02,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 43 transitions. [2020-07-28 21:48:02,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:48:02,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 43 transitions. [2020-07-28 21:48:02,342 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 43 transitions. [2020-07-28 21:48:02,399 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 43 edges. 43 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:48:02,401 INFO L225 Difference]: With dead ends: 136 [2020-07-28 21:48:02,402 INFO L226 Difference]: Without dead ends: 136 [2020-07-28 21:48:02,402 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-28 21:48:02,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2020-07-28 21:48:02,406 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,406 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,406 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,406 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,407 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,407 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,407 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,407 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,408 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,408 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,408 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,409 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,409 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,409 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,409 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,410 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,410 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,410 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,410 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,411 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,411 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,411 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,411 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,412 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,412 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,412 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,413 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,413 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,413 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,413 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,413 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,414 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,414 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,414 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,414 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,415 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,415 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,415 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,416 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,416 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,416 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,416 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,417 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,417 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,417 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,417 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,418 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,418 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,418 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,418 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,419 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,419 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,419 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,419 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,420 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,420 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,420 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,420 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,421 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,421 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,421 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,421 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,422 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,422 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,422 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,422 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,423 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,423 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,423 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,423 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,424 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,424 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,424 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,425 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,425 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,425 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,425 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,426 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,426 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,426 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,426 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,427 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,427 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,427 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,427 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,428 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,428 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,428 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,429 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,429 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,429 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,429 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,430 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,430 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,430 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,430 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,431 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,431 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,431 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,431 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,432 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,432 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,432 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,433 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,433 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,433 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,433 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,434 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,434 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,434 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,434 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,435 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,435 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,435 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,435 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,436 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,436 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,436 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,436 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,437 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,437 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,437 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,438 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,438 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,438 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,438 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,439 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,439 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,439 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,439 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,440 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,440 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,440 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,441 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,441 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,441 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2020-07-28 21:48:02,442 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:48:02,442 INFO L82 GeneralOperation]: Start isEquivalent. First operand 136 states. Second operand 136 states. [2020-07-28 21:48:02,442 INFO L74 IsIncluded]: Start isIncluded. First operand 136 states. Second operand 136 states. [2020-07-28 21:48:02,442 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 136 states. [2020-07-28 21:48:02,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:02,449 INFO L93 Difference]: Finished difference Result 136 states and 297 transitions. [2020-07-28 21:48:02,449 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 297 transitions. [2020-07-28 21:48:02,450 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:02,450 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:02,450 INFO L74 IsIncluded]: Start isIncluded. First operand 136 states. Second operand 136 states. [2020-07-28 21:48:02,450 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 136 states. [2020-07-28 21:48:02,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:02,457 INFO L93 Difference]: Finished difference Result 136 states and 297 transitions. [2020-07-28 21:48:02,457 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 297 transitions. [2020-07-28 21:48:02,458 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:02,458 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:02,458 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:48:02,458 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:48:02,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-07-28 21:48:02,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 297 transitions. [2020-07-28 21:48:02,465 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 297 transitions. Word has length 12 [2020-07-28 21:48:02,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:48:02,465 INFO L479 AbstractCegarLoop]: Abstraction has 136 states and 297 transitions. [2020-07-28 21:48:02,466 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 21:48:02,466 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 297 transitions. [2020-07-28 21:48:02,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-07-28 21:48:02,466 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:48:02,467 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:48:02,467 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 21:48:02,467 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:48:02,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:48:02,468 INFO L82 PathProgramCache]: Analyzing trace with hash -104701845, now seen corresponding path program 1 times [2020-07-28 21:48:02,468 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:48:02,468 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373836395] [2020-07-28 21:48:02,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:48:02,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:48:02,561 INFO L280 TraceCheckUtils]: 0: Hoare triple {4140#true} [228] ULTIMATE.startENTRY-->L776: Formula: (let ((.cse0 (store |v_#valid_51| 0 0))) (and (= 0 |v_#NULL.base_5|) (= 0 v_~main$tmp_guard1~0_27) (= 0 v_~z~0_23) (= (store |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2653~0.base_15| (store (select |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2653~0.base_15|) |v_ULTIMATE.start_main_~#t2653~0.offset_13| 0)) |v_#memory_int_17|) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t2653~0.base_15|)) (= 0 v_~y~0_18) (= 0 v_~main$tmp_guard0~0_43) (= |v_#length_21| (store |v_#length_22| |v_ULTIMATE.start_main_~#t2653~0.base_15| 4)) (= |v_#valid_49| (store .cse0 |v_ULTIMATE.start_main_~#t2653~0.base_15| 1)) (= 0 v_~__unbuffered_p1_EAX~0_30) (= 0 v_~__unbuffered_p2_EAX~0_33) (= 0 |v_#NULL.offset_5|) (= 0 |v_ULTIMATE.start_main_~#t2653~0.offset_13|) (< 0 |v_#StackHeapBarrier_14|) (= 0 v_~x~0_18) (= 0 v_~__unbuffered_p0_EAX~0_29) (= v_~__unbuffered_cnt~0_129 0) (< |v_#StackHeapBarrier_14| |v_ULTIMATE.start_main_~#t2653~0.base_15|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_14|, #valid=|v_#valid_51|, #memory_int=|v_#memory_int_18|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_27|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_~#t2654~0.base=|v_ULTIMATE.start_main_~#t2654~0.base_17|, 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_27, ULTIMATE.start_main_~#t2655~0.base=|v_ULTIMATE.start_main_~#t2655~0.base_17|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_29, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_30, ULTIMATE.start_main_~#t2655~0.offset=|v_ULTIMATE.start_main_~#t2655~0.offset_14|, #length=|v_#length_21|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_33, ~y~0=v_~y~0_18, ULTIMATE.start_main_~#t2654~0.offset=|v_ULTIMATE.start_main_~#t2654~0.offset_14|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_43, #NULL.base=|v_#NULL.base_5|, ULTIMATE.start_main_~#t2653~0.offset=|v_ULTIMATE.start_main_~#t2653~0.offset_13|, #StackHeapBarrier=|v_#StackHeapBarrier_14|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_16|, #valid=|v_#valid_49|, #memory_int=|v_#memory_int_17|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_129, ~z~0=v_~z~0_23, ULTIMATE.start_main_~#t2653~0.base=|v_ULTIMATE.start_main_~#t2653~0.base_15|, ~x~0=v_~x~0_18} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2654~0.offset, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~#t2654~0.base, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t2655~0.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t2653~0.offset, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_~#t2655~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ULTIMATE.start_main_~#t2653~0.base, ~x~0] {4142#(<= ~__unbuffered_cnt~0 0)} is VALID [2020-07-28 21:48:02,562 INFO L280 TraceCheckUtils]: 1: Hoare triple {4142#(<= ~__unbuffered_cnt~0 0)} [167] L776-->P0ENTRY: Formula: (and (= 0 v_P0Thread1of1ForFork0_thidvar0_2) (= 0 |v_P0Thread1of1ForFork0_#in~arg.base_3|) (= 0 |v_P0Thread1of1ForFork0_#in~arg.offset_3|)) InVars {} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_3|, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_3|, P0Thread1of1ForFork0_thidvar0=v_P0Thread1of1ForFork0_thidvar0_2, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_3|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_3|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_3, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_3} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#in~arg.offset, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_thidvar0, P0Thread1of1ForFork0_#in~arg.base, P0Thread1of1ForFork0_#res.base, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {4142#(<= ~__unbuffered_cnt~0 0)} is VALID [2020-07-28 21:48:02,563 INFO L280 TraceCheckUtils]: 2: Hoare triple {4142#(<= ~__unbuffered_cnt~0 0)} [192] P0ENTRY-->L717: Formula: (and (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= 1 v_~z~0_9) (= v_P0Thread1of1ForFork0_~arg.base_4 |v_P0Thread1of1ForFork0_#in~arg.base_4|)) InVars {P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~z~0=v_~z~0_9, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_4, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_4} AuxVars[] AssignedVars[~z~0, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {4142#(<= ~__unbuffered_cnt~0 0)} is VALID [2020-07-28 21:48:02,563 INFO L280 TraceCheckUtils]: 3: Hoare triple {4142#(<= ~__unbuffered_cnt~0 0)} [150] L717-->L722: Formula: (= v_~__unbuffered_p0_EAX~0_1 v_~x~0_1) InVars {~x~0=v_~x~0_1} OutVars{~x~0=v_~x~0_1, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_1} AuxVars[] AssignedVars[~__unbuffered_p0_EAX~0] {4142#(<= ~__unbuffered_cnt~0 0)} is VALID [2020-07-28 21:48:02,564 INFO L280 TraceCheckUtils]: 4: Hoare triple {4142#(<= ~__unbuffered_cnt~0 0)} [215] L722-->P0EXIT: Formula: (and (= (+ v_~__unbuffered_cnt~0_92 1) v_~__unbuffered_cnt~0_91) (= 0 |v_P0Thread1of1ForFork0_#res.offset_5|) (= 0 |v_P0Thread1of1ForFork0_#res.base_5|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_92} OutVars{P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_5|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_91} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_#res.base, ~__unbuffered_cnt~0] {4143#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:48:02,565 INFO L280 TraceCheckUtils]: 5: Hoare triple {4143#(<= ~__unbuffered_cnt~0 1)} [217] L776-1-->L778: Formula: (and (= 0 (select |v_#valid_39| |v_ULTIMATE.start_main_~#t2654~0.base_13|)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2654~0.base_13|) (not (= 0 |v_ULTIMATE.start_main_~#t2654~0.base_13|)) (= |v_#valid_38| (store |v_#valid_39| |v_ULTIMATE.start_main_~#t2654~0.base_13| 1)) (= 0 |v_ULTIMATE.start_main_~#t2654~0.offset_11|) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2654~0.base_13| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2654~0.base_13|) |v_ULTIMATE.start_main_~#t2654~0.offset_11| 1)) |v_#memory_int_13|) (= |v_#length_17| (store |v_#length_18| |v_ULTIMATE.start_main_~#t2654~0.base_13| 4))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_39|, #memory_int=|v_#memory_int_14|, #length=|v_#length_18|} OutVars{ULTIMATE.start_main_~#t2654~0.offset=|v_ULTIMATE.start_main_~#t2654~0.offset_11|, #StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t2654~0.base=|v_ULTIMATE.start_main_~#t2654~0.base_13|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, #valid=|v_#valid_38|, #memory_int=|v_#memory_int_13|, #length=|v_#length_17|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2654~0.offset, ULTIMATE.start_main_~#t2654~0.base, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {4143#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:48:02,565 INFO L280 TraceCheckUtils]: 6: Hoare triple {4143#(<= ~__unbuffered_cnt~0 1)} [169] L778-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork1_thidvar0_2) (= 0 |v_P1Thread1of1ForFork1_#in~arg.base_3|) (= 0 |v_P1Thread1of1ForFork1_#in~arg.offset_3|)) InVars {} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_3, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_3|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_3, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_3|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_3|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_3|, P1Thread1of1ForFork1_thidvar0=v_P1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_#res.offset, P1Thread1of1ForFork1_~arg.base, P1Thread1of1ForFork1_#in~arg.base, P1Thread1of1ForFork1_#in~arg.offset, P1Thread1of1ForFork1_#res.base, P1Thread1of1ForFork1_thidvar0] {4143#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:48:02,566 INFO L280 TraceCheckUtils]: 7: Hoare triple {4143#(<= ~__unbuffered_cnt~0 1)} [216] L778-1-->L780: Formula: (and (= 0 (select |v_#valid_37| |v_ULTIMATE.start_main_~#t2655~0.base_13|)) (= |v_#memory_int_11| (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2655~0.base_13| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2655~0.base_13|) |v_ULTIMATE.start_main_~#t2655~0.offset_11| 2))) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t2655~0.base_13| 4)) (not (= 0 |v_ULTIMATE.start_main_~#t2655~0.base_13|)) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t2655~0.base_13|) (= |v_#valid_36| (store |v_#valid_37| |v_ULTIMATE.start_main_~#t2655~0.base_13| 1)) (= 0 |v_ULTIMATE.start_main_~#t2655~0.offset_11|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_12|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_~#t2655~0.offset=|v_ULTIMATE.start_main_~#t2655~0.offset_11|, #valid=|v_#valid_36|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_11|, #length=|v_#length_15|, ULTIMATE.start_main_~#t2655~0.base=|v_ULTIMATE.start_main_~#t2655~0.base_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2655~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t2655~0.base] {4143#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:48:02,567 INFO L280 TraceCheckUtils]: 8: Hoare triple {4143#(<= ~__unbuffered_cnt~0 1)} [171] L780-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#in~arg.base_3|) (= 0 |v_P2Thread1of1ForFork2_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_3|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_3, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_3, P2Thread1of1ForFork2_thidvar0=v_P2Thread1of1ForFork2_thidvar0_2, P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_3|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_3|, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_3|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#in~arg.offset, P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, P2Thread1of1ForFork2_thidvar0, P2Thread1of1ForFork2_#res.base, P2Thread1of1ForFork2_#in~arg.base, P2Thread1of1ForFork2_#res.offset] {4143#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:48:02,567 INFO L280 TraceCheckUtils]: 9: Hoare triple {4143#(<= ~__unbuffered_cnt~0 1)} [197] P2ENTRY-->L751: Formula: (and (= 1 v_~y~0_7) (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4)) InVars {P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_4, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_4, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_7} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~y~0] {4143#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:48:02,568 INFO L280 TraceCheckUtils]: 10: Hoare triple {4143#(<= ~__unbuffered_cnt~0 1)} [162] L751-->L756: Formula: (= v_~__unbuffered_p2_EAX~0_1 v_~z~0_2) InVars {~z~0=v_~z~0_2} OutVars{~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_1, ~z~0=v_~z~0_2} AuxVars[] AssignedVars[~__unbuffered_p2_EAX~0] {4143#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:48:02,570 INFO L280 TraceCheckUtils]: 11: Hoare triple {4143#(<= ~__unbuffered_cnt~0 1)} [200] L756-->P2EXIT: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#res.base_17|) (= v_~__unbuffered_cnt~0_67 (+ v_~__unbuffered_cnt~0_68 1)) (= 0 |v_P2Thread1of1ForFork2_#res.offset_17|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_68} OutVars{P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_17|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_67, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_17|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#res.base, ~__unbuffered_cnt~0, P2Thread1of1ForFork2_#res.offset] {4144#(<= ~__unbuffered_cnt~0 2)} is VALID [2020-07-28 21:48:02,571 INFO L280 TraceCheckUtils]: 12: Hoare triple {4144#(<= ~__unbuffered_cnt~0 2)} [222] L780-1-->L2-1: Formula: (and (= v_ULTIMATE.start_assume_abort_if_not_~cond_13 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_9|) (= 1 v_~main$tmp_guard0~0_32) (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond_9| (mod v_~main$tmp_guard0~0_32 256)) (= 3 v_~__unbuffered_cnt~0_98)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_98} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_9|, 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_16|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_98, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_32} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {4141#false} is VALID [2020-07-28 21:48:02,571 INFO L280 TraceCheckUtils]: 13: Hoare triple {4141#false} [211] L2-1-->L790: Formula: (and (let ((.cse0 (= 0 v_~__unbuffered_p0_EAX~0_22)) (.cse2 (= 0 v_~__unbuffered_p1_EAX~0_23)) (.cse1 (= 0 v_~__unbuffered_p2_EAX~0_23))) (or (and .cse0 .cse1 (= 0 v_~main$tmp_guard1~0_19) .cse2) (and (or (not .cse0) (not .cse2) (not .cse1)) (= 1 v_~main$tmp_guard1~0_19)))) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_7| (mod v_~main$tmp_guard1~0_19 256))) InVars {~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_23, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_23, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_19, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_7|} AuxVars[] AssignedVars[~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {4141#false} is VALID [2020-07-28 21:48:02,572 INFO L280 TraceCheckUtils]: 14: Hoare triple {4141#false} [203] L790-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_9) (= v_ULTIMATE.start___VERIFIER_assert_~expression_9 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_9, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] {4141#false} is VALID [2020-07-28 21:48:02,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 21:48:02,573 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373836395] [2020-07-28 21:48:02,574 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:48:02,574 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 21:48:02,574 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366988999] [2020-07-28 21:48:02,574 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-07-28 21:48:02,575 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:48:02,575 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 21:48:02,600 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 15 edges. 15 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:48:02,600 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 21:48:02,600 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:48:02,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 21:48:02,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-07-28 21:48:02,601 INFO L87 Difference]: Start difference. First operand 136 states and 297 transitions. Second operand 5 states. [2020-07-28 21:48:02,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:02,715 INFO L93 Difference]: Finished difference Result 109 states and 243 transitions. [2020-07-28 21:48:02,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 21:48:02,715 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-07-28 21:48:02,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:48:02,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:48:02,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 43 transitions. [2020-07-28 21:48:02,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:48:02,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 43 transitions. [2020-07-28 21:48:02,719 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 43 transitions. [2020-07-28 21:48:02,779 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 43 edges. 43 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:48:02,781 INFO L225 Difference]: With dead ends: 109 [2020-07-28 21:48:02,781 INFO L226 Difference]: Without dead ends: 109 [2020-07-28 21:48:02,782 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-07-28 21:48:02,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-07-28 21:48:02,785 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,785 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,785 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,785 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,786 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,786 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,786 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,786 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,786 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,786 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,787 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,787 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,787 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,787 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,787 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,788 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,788 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,788 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,788 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,788 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,789 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,789 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,789 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,789 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,789 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,790 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,790 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,790 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,790 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,791 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,791 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,791 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,791 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,791 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,792 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,792 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,792 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,792 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,792 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,793 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,793 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,793 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,793 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,793 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,794 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,794 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,794 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,795 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,795 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,795 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,795 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,796 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,796 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,796 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,796 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,797 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,797 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,797 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,797 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,798 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,798 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,798 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,798 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,799 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,799 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,799 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,799 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,800 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,800 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,800 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,800 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,801 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,801 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,801 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,801 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,802 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,802 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,802 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,802 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,803 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,803 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,803 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,803 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,804 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,804 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,804 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,804 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,805 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,805 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,805 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,805 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,806 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,806 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,806 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,806 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,807 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,807 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,807 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,807 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,808 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,808 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,808 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,809 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,809 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,809 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,809 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,810 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,810 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,810 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:02,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2020-07-28 21:48:02,811 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:48:02,811 INFO L82 GeneralOperation]: Start isEquivalent. First operand 109 states. Second operand 109 states. [2020-07-28 21:48:02,811 INFO L74 IsIncluded]: Start isIncluded. First operand 109 states. Second operand 109 states. [2020-07-28 21:48:02,811 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 109 states. [2020-07-28 21:48:02,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:02,817 INFO L93 Difference]: Finished difference Result 109 states and 243 transitions. [2020-07-28 21:48:02,817 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 243 transitions. [2020-07-28 21:48:02,817 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:02,818 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:02,818 INFO L74 IsIncluded]: Start isIncluded. First operand 109 states. Second operand 109 states. [2020-07-28 21:48:02,818 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 109 states. [2020-07-28 21:48:02,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:02,823 INFO L93 Difference]: Finished difference Result 109 states and 243 transitions. [2020-07-28 21:48:02,823 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 243 transitions. [2020-07-28 21:48:02,823 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:02,823 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:02,824 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:48:02,824 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:48:02,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-07-28 21:48:02,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 243 transitions. [2020-07-28 21:48:02,829 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 243 transitions. Word has length 15 [2020-07-28 21:48:02,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:48:02,830 INFO L479 AbstractCegarLoop]: Abstraction has 109 states and 243 transitions. [2020-07-28 21:48:02,830 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 21:48:02,830 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 243 transitions. [2020-07-28 21:48:02,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-28 21:48:02,830 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:48:02,831 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:48:02,831 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 21:48:02,831 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:48:02,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:48:02,832 INFO L82 PathProgramCache]: Analyzing trace with hash 1786856379, now seen corresponding path program 1 times [2020-07-28 21:48:02,832 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:48:02,832 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171574614] [2020-07-28 21:48:02,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:48:02,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:48:02,941 INFO L280 TraceCheckUtils]: 0: Hoare triple {4692#true} [228] ULTIMATE.startENTRY-->L776: Formula: (let ((.cse0 (store |v_#valid_51| 0 0))) (and (= 0 |v_#NULL.base_5|) (= 0 v_~main$tmp_guard1~0_27) (= 0 v_~z~0_23) (= (store |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2653~0.base_15| (store (select |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2653~0.base_15|) |v_ULTIMATE.start_main_~#t2653~0.offset_13| 0)) |v_#memory_int_17|) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t2653~0.base_15|)) (= 0 v_~y~0_18) (= 0 v_~main$tmp_guard0~0_43) (= |v_#length_21| (store |v_#length_22| |v_ULTIMATE.start_main_~#t2653~0.base_15| 4)) (= |v_#valid_49| (store .cse0 |v_ULTIMATE.start_main_~#t2653~0.base_15| 1)) (= 0 v_~__unbuffered_p1_EAX~0_30) (= 0 v_~__unbuffered_p2_EAX~0_33) (= 0 |v_#NULL.offset_5|) (= 0 |v_ULTIMATE.start_main_~#t2653~0.offset_13|) (< 0 |v_#StackHeapBarrier_14|) (= 0 v_~x~0_18) (= 0 v_~__unbuffered_p0_EAX~0_29) (= v_~__unbuffered_cnt~0_129 0) (< |v_#StackHeapBarrier_14| |v_ULTIMATE.start_main_~#t2653~0.base_15|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_14|, #valid=|v_#valid_51|, #memory_int=|v_#memory_int_18|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_27|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_~#t2654~0.base=|v_ULTIMATE.start_main_~#t2654~0.base_17|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, #NULL.offset=|v_#NULL.offset_5|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_27, ULTIMATE.start_main_~#t2655~0.base=|v_ULTIMATE.start_main_~#t2655~0.base_17|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_29, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_30, ULTIMATE.start_main_~#t2655~0.offset=|v_ULTIMATE.start_main_~#t2655~0.offset_14|, #length=|v_#length_21|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_33, ~y~0=v_~y~0_18, ULTIMATE.start_main_~#t2654~0.offset=|v_ULTIMATE.start_main_~#t2654~0.offset_14|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_43, #NULL.base=|v_#NULL.base_5|, ULTIMATE.start_main_~#t2653~0.offset=|v_ULTIMATE.start_main_~#t2653~0.offset_13|, #StackHeapBarrier=|v_#StackHeapBarrier_14|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_16|, #valid=|v_#valid_49|, #memory_int=|v_#memory_int_17|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_129, ~z~0=v_~z~0_23, ULTIMATE.start_main_~#t2653~0.base=|v_ULTIMATE.start_main_~#t2653~0.base_15|, ~x~0=v_~x~0_18} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2654~0.offset, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~#t2654~0.base, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t2655~0.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t2653~0.offset, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_~#t2655~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ULTIMATE.start_main_~#t2653~0.base, ~x~0] {4692#true} is VALID [2020-07-28 21:48:02,942 INFO L280 TraceCheckUtils]: 1: Hoare triple {4692#true} [167] L776-->P0ENTRY: Formula: (and (= 0 v_P0Thread1of1ForFork0_thidvar0_2) (= 0 |v_P0Thread1of1ForFork0_#in~arg.base_3|) (= 0 |v_P0Thread1of1ForFork0_#in~arg.offset_3|)) InVars {} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_3|, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_3|, P0Thread1of1ForFork0_thidvar0=v_P0Thread1of1ForFork0_thidvar0_2, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_3|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_3|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_3, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_3} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#in~arg.offset, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_thidvar0, P0Thread1of1ForFork0_#in~arg.base, P0Thread1of1ForFork0_#res.base, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {4692#true} is VALID [2020-07-28 21:48:02,946 INFO L280 TraceCheckUtils]: 2: Hoare triple {4692#true} [192] P0ENTRY-->L717: Formula: (and (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= 1 v_~z~0_9) (= v_P0Thread1of1ForFork0_~arg.base_4 |v_P0Thread1of1ForFork0_#in~arg.base_4|)) InVars {P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~z~0=v_~z~0_9, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_4, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_4} AuxVars[] AssignedVars[~z~0, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {4694#(= 1 ~z~0)} is VALID [2020-07-28 21:48:02,946 INFO L280 TraceCheckUtils]: 3: Hoare triple {4694#(= 1 ~z~0)} [150] L717-->L722: Formula: (= v_~__unbuffered_p0_EAX~0_1 v_~x~0_1) InVars {~x~0=v_~x~0_1} OutVars{~x~0=v_~x~0_1, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_1} AuxVars[] AssignedVars[~__unbuffered_p0_EAX~0] {4694#(= 1 ~z~0)} is VALID [2020-07-28 21:48:02,947 INFO L280 TraceCheckUtils]: 4: Hoare triple {4694#(= 1 ~z~0)} [215] L722-->P0EXIT: Formula: (and (= (+ v_~__unbuffered_cnt~0_92 1) v_~__unbuffered_cnt~0_91) (= 0 |v_P0Thread1of1ForFork0_#res.offset_5|) (= 0 |v_P0Thread1of1ForFork0_#res.base_5|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_92} OutVars{P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_5|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_91} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_#res.base, ~__unbuffered_cnt~0] {4694#(= 1 ~z~0)} is VALID [2020-07-28 21:48:02,948 INFO L280 TraceCheckUtils]: 5: Hoare triple {4694#(= 1 ~z~0)} [217] L776-1-->L778: Formula: (and (= 0 (select |v_#valid_39| |v_ULTIMATE.start_main_~#t2654~0.base_13|)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2654~0.base_13|) (not (= 0 |v_ULTIMATE.start_main_~#t2654~0.base_13|)) (= |v_#valid_38| (store |v_#valid_39| |v_ULTIMATE.start_main_~#t2654~0.base_13| 1)) (= 0 |v_ULTIMATE.start_main_~#t2654~0.offset_11|) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2654~0.base_13| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2654~0.base_13|) |v_ULTIMATE.start_main_~#t2654~0.offset_11| 1)) |v_#memory_int_13|) (= |v_#length_17| (store |v_#length_18| |v_ULTIMATE.start_main_~#t2654~0.base_13| 4))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_39|, #memory_int=|v_#memory_int_14|, #length=|v_#length_18|} OutVars{ULTIMATE.start_main_~#t2654~0.offset=|v_ULTIMATE.start_main_~#t2654~0.offset_11|, #StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t2654~0.base=|v_ULTIMATE.start_main_~#t2654~0.base_13|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, #valid=|v_#valid_38|, #memory_int=|v_#memory_int_13|, #length=|v_#length_17|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2654~0.offset, ULTIMATE.start_main_~#t2654~0.base, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {4694#(= 1 ~z~0)} is VALID [2020-07-28 21:48:02,948 INFO L280 TraceCheckUtils]: 6: Hoare triple {4694#(= 1 ~z~0)} [169] L778-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork1_thidvar0_2) (= 0 |v_P1Thread1of1ForFork1_#in~arg.base_3|) (= 0 |v_P1Thread1of1ForFork1_#in~arg.offset_3|)) InVars {} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_3, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_3|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_3, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_3|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_3|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_3|, P1Thread1of1ForFork1_thidvar0=v_P1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_#res.offset, P1Thread1of1ForFork1_~arg.base, P1Thread1of1ForFork1_#in~arg.base, P1Thread1of1ForFork1_#in~arg.offset, P1Thread1of1ForFork1_#res.base, P1Thread1of1ForFork1_thidvar0] {4694#(= 1 ~z~0)} is VALID [2020-07-28 21:48:02,949 INFO L280 TraceCheckUtils]: 7: Hoare triple {4694#(= 1 ~z~0)} [216] L778-1-->L780: Formula: (and (= 0 (select |v_#valid_37| |v_ULTIMATE.start_main_~#t2655~0.base_13|)) (= |v_#memory_int_11| (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2655~0.base_13| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2655~0.base_13|) |v_ULTIMATE.start_main_~#t2655~0.offset_11| 2))) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t2655~0.base_13| 4)) (not (= 0 |v_ULTIMATE.start_main_~#t2655~0.base_13|)) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t2655~0.base_13|) (= |v_#valid_36| (store |v_#valid_37| |v_ULTIMATE.start_main_~#t2655~0.base_13| 1)) (= 0 |v_ULTIMATE.start_main_~#t2655~0.offset_11|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_12|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_~#t2655~0.offset=|v_ULTIMATE.start_main_~#t2655~0.offset_11|, #valid=|v_#valid_36|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_11|, #length=|v_#length_15|, ULTIMATE.start_main_~#t2655~0.base=|v_ULTIMATE.start_main_~#t2655~0.base_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2655~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t2655~0.base] {4694#(= 1 ~z~0)} is VALID [2020-07-28 21:48:02,951 INFO L280 TraceCheckUtils]: 8: Hoare triple {4694#(= 1 ~z~0)} [171] L780-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#in~arg.base_3|) (= 0 |v_P2Thread1of1ForFork2_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_3|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_3, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_3, P2Thread1of1ForFork2_thidvar0=v_P2Thread1of1ForFork2_thidvar0_2, P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_3|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_3|, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_3|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#in~arg.offset, P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, P2Thread1of1ForFork2_thidvar0, P2Thread1of1ForFork2_#res.base, P2Thread1of1ForFork2_#in~arg.base, P2Thread1of1ForFork2_#res.offset] {4694#(= 1 ~z~0)} is VALID [2020-07-28 21:48:02,955 INFO L280 TraceCheckUtils]: 9: Hoare triple {4694#(= 1 ~z~0)} [197] P2ENTRY-->L751: Formula: (and (= 1 v_~y~0_7) (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4)) InVars {P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_4, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_4, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_7} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~y~0] {4694#(= 1 ~z~0)} is VALID [2020-07-28 21:48:02,956 INFO L280 TraceCheckUtils]: 10: Hoare triple {4694#(= 1 ~z~0)} [162] L751-->L756: Formula: (= v_~__unbuffered_p2_EAX~0_1 v_~z~0_2) InVars {~z~0=v_~z~0_2} OutVars{~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_1, ~z~0=v_~z~0_2} AuxVars[] AssignedVars[~__unbuffered_p2_EAX~0] {4695#(= 1 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:48:02,958 INFO L280 TraceCheckUtils]: 11: Hoare triple {4695#(= 1 ~__unbuffered_p2_EAX~0)} [200] L756-->P2EXIT: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#res.base_17|) (= v_~__unbuffered_cnt~0_67 (+ v_~__unbuffered_cnt~0_68 1)) (= 0 |v_P2Thread1of1ForFork2_#res.offset_17|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_68} OutVars{P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_17|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_67, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_17|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#res.base, ~__unbuffered_cnt~0, P2Thread1of1ForFork2_#res.offset] {4695#(= 1 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:48:02,960 INFO L280 TraceCheckUtils]: 12: Hoare triple {4695#(= 1 ~__unbuffered_p2_EAX~0)} [172] P1ENTRY-->L734: Formula: (and (= 1 v_~x~0_4) (= |v_P1Thread1of1ForFork1_#in~arg.offset_4| v_P1Thread1of1ForFork1_~arg.offset_4) (= v_P1Thread1of1ForFork1_~arg.base_4 |v_P1Thread1of1ForFork1_#in~arg.base_4|)) InVars {P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_4, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_4, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|, ~x~0=v_~x~0_4} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_~arg.base, ~x~0] {4695#(= 1 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:48:02,961 INFO L280 TraceCheckUtils]: 13: Hoare triple {4695#(= 1 ~__unbuffered_p2_EAX~0)} [156] L734-->L739: Formula: (= v_~__unbuffered_p1_EAX~0_1 v_~y~0_1) InVars {~y~0=v_~y~0_1} OutVars{~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_1, ~y~0=v_~y~0_1} AuxVars[] AssignedVars[~__unbuffered_p1_EAX~0] {4695#(= 1 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:48:02,962 INFO L280 TraceCheckUtils]: 14: Hoare triple {4695#(= 1 ~__unbuffered_p2_EAX~0)} [214] L739-->P1EXIT: Formula: (and (= v_~__unbuffered_cnt~0_79 (+ v_~__unbuffered_cnt~0_80 1)) (= 0 |v_P1Thread1of1ForFork1_#res.base_13|) (= |v_P1Thread1of1ForFork1_#res.offset_13| 0)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_80} OutVars{P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_13|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_79, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_13|} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#res.offset, ~__unbuffered_cnt~0, P1Thread1of1ForFork1_#res.base] {4695#(= 1 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:48:02,963 INFO L280 TraceCheckUtils]: 15: Hoare triple {4695#(= 1 ~__unbuffered_p2_EAX~0)} [222] L780-1-->L2-1: Formula: (and (= v_ULTIMATE.start_assume_abort_if_not_~cond_13 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_9|) (= 1 v_~main$tmp_guard0~0_32) (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond_9| (mod v_~main$tmp_guard0~0_32 256)) (= 3 v_~__unbuffered_cnt~0_98)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_98} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_9|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_13, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_16|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_98, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_32} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {4695#(= 1 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:48:02,965 INFO L280 TraceCheckUtils]: 16: Hoare triple {4695#(= 1 ~__unbuffered_p2_EAX~0)} [211] L2-1-->L790: Formula: (and (let ((.cse0 (= 0 v_~__unbuffered_p0_EAX~0_22)) (.cse2 (= 0 v_~__unbuffered_p1_EAX~0_23)) (.cse1 (= 0 v_~__unbuffered_p2_EAX~0_23))) (or (and .cse0 .cse1 (= 0 v_~main$tmp_guard1~0_19) .cse2) (and (or (not .cse0) (not .cse2) (not .cse1)) (= 1 v_~main$tmp_guard1~0_19)))) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_7| (mod v_~main$tmp_guard1~0_19 256))) InVars {~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_23, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_23, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_19, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_7|} AuxVars[] AssignedVars[~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {4696#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} is VALID [2020-07-28 21:48:02,966 INFO L280 TraceCheckUtils]: 17: Hoare triple {4696#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} [203] L790-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_9) (= v_ULTIMATE.start___VERIFIER_assert_~expression_9 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_9, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] {4693#false} is VALID [2020-07-28 21:48:02,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 21:48:02,968 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171574614] [2020-07-28 21:48:02,968 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:48:02,968 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 21:48:02,968 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575785631] [2020-07-28 21:48:02,969 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-07-28 21:48:02,969 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:48:02,970 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 21:48:02,998 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:48:02,999 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 21:48:02,999 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:48:02,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 21:48:02,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 21:48:02,999 INFO L87 Difference]: Start difference. First operand 109 states and 243 transitions. Second operand 5 states. [2020-07-28 21:48:03,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:03,173 INFO L93 Difference]: Finished difference Result 135 states and 291 transitions. [2020-07-28 21:48:03,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 21:48:03,174 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-07-28 21:48:03,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:48:03,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:48:03,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 37 transitions. [2020-07-28 21:48:03,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:48:03,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 37 transitions. [2020-07-28 21:48:03,176 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 37 transitions. [2020-07-28 21:48:03,271 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 37 edges. 37 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:48:03,272 INFO L225 Difference]: With dead ends: 135 [2020-07-28 21:48:03,272 INFO L226 Difference]: Without dead ends: 55 [2020-07-28 21:48:03,272 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-28 21:48:03,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-07-28 21:48:03,273 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,274 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,274 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,274 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,274 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,275 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,275 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,275 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,275 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,275 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,276 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,276 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,276 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,276 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,276 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,277 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,277 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,277 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,277 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,277 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,277 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,278 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,278 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,278 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,278 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,278 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,279 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,279 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,279 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,279 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,279 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,279 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,280 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,280 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,280 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,280 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,280 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,281 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,281 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,281 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,281 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,281 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,282 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,282 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,282 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,282 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,282 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,283 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,283 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,283 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,283 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,283 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,284 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,284 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,284 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-07-28 21:48:03,284 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:48:03,284 INFO L82 GeneralOperation]: Start isEquivalent. First operand 55 states. Second operand 55 states. [2020-07-28 21:48:03,285 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand 55 states. [2020-07-28 21:48:03,285 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 55 states. [2020-07-28 21:48:03,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:03,289 INFO L93 Difference]: Finished difference Result 55 states and 99 transitions. [2020-07-28 21:48:03,289 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 99 transitions. [2020-07-28 21:48:03,289 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:03,289 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:03,290 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand 55 states. [2020-07-28 21:48:03,290 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 55 states. [2020-07-28 21:48:03,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:03,291 INFO L93 Difference]: Finished difference Result 55 states and 99 transitions. [2020-07-28 21:48:03,291 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 99 transitions. [2020-07-28 21:48:03,291 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:03,292 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:03,292 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:48:03,292 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:48:03,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-07-28 21:48:03,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 99 transitions. [2020-07-28 21:48:03,293 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 99 transitions. Word has length 18 [2020-07-28 21:48:03,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:48:03,294 INFO L479 AbstractCegarLoop]: Abstraction has 55 states and 99 transitions. [2020-07-28 21:48:03,294 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 21:48:03,294 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 99 transitions. [2020-07-28 21:48:03,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-28 21:48:03,294 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:48:03,295 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:48:03,295 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 21:48:03,295 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:48:03,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:48:03,295 INFO L82 PathProgramCache]: Analyzing trace with hash -442498565, now seen corresponding path program 2 times [2020-07-28 21:48:03,295 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:48:03,296 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061461520] [2020-07-28 21:48:03,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:48:03,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:48:03,370 INFO L280 TraceCheckUtils]: 0: Hoare triple {5058#true} [228] ULTIMATE.startENTRY-->L776: Formula: (let ((.cse0 (store |v_#valid_51| 0 0))) (and (= 0 |v_#NULL.base_5|) (= 0 v_~main$tmp_guard1~0_27) (= 0 v_~z~0_23) (= (store |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2653~0.base_15| (store (select |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2653~0.base_15|) |v_ULTIMATE.start_main_~#t2653~0.offset_13| 0)) |v_#memory_int_17|) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t2653~0.base_15|)) (= 0 v_~y~0_18) (= 0 v_~main$tmp_guard0~0_43) (= |v_#length_21| (store |v_#length_22| |v_ULTIMATE.start_main_~#t2653~0.base_15| 4)) (= |v_#valid_49| (store .cse0 |v_ULTIMATE.start_main_~#t2653~0.base_15| 1)) (= 0 v_~__unbuffered_p1_EAX~0_30) (= 0 v_~__unbuffered_p2_EAX~0_33) (= 0 |v_#NULL.offset_5|) (= 0 |v_ULTIMATE.start_main_~#t2653~0.offset_13|) (< 0 |v_#StackHeapBarrier_14|) (= 0 v_~x~0_18) (= 0 v_~__unbuffered_p0_EAX~0_29) (= v_~__unbuffered_cnt~0_129 0) (< |v_#StackHeapBarrier_14| |v_ULTIMATE.start_main_~#t2653~0.base_15|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_14|, #valid=|v_#valid_51|, #memory_int=|v_#memory_int_18|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_27|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_~#t2654~0.base=|v_ULTIMATE.start_main_~#t2654~0.base_17|, 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_27, ULTIMATE.start_main_~#t2655~0.base=|v_ULTIMATE.start_main_~#t2655~0.base_17|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_29, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_30, ULTIMATE.start_main_~#t2655~0.offset=|v_ULTIMATE.start_main_~#t2655~0.offset_14|, #length=|v_#length_21|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_33, ~y~0=v_~y~0_18, ULTIMATE.start_main_~#t2654~0.offset=|v_ULTIMATE.start_main_~#t2654~0.offset_14|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_43, #NULL.base=|v_#NULL.base_5|, ULTIMATE.start_main_~#t2653~0.offset=|v_ULTIMATE.start_main_~#t2653~0.offset_13|, #StackHeapBarrier=|v_#StackHeapBarrier_14|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_16|, #valid=|v_#valid_49|, #memory_int=|v_#memory_int_17|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_129, ~z~0=v_~z~0_23, ULTIMATE.start_main_~#t2653~0.base=|v_ULTIMATE.start_main_~#t2653~0.base_15|, ~x~0=v_~x~0_18} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2654~0.offset, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~#t2654~0.base, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t2655~0.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t2653~0.offset, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_~#t2655~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ULTIMATE.start_main_~#t2653~0.base, ~x~0] {5058#true} is VALID [2020-07-28 21:48:03,370 INFO L280 TraceCheckUtils]: 1: Hoare triple {5058#true} [167] L776-->P0ENTRY: Formula: (and (= 0 v_P0Thread1of1ForFork0_thidvar0_2) (= 0 |v_P0Thread1of1ForFork0_#in~arg.base_3|) (= 0 |v_P0Thread1of1ForFork0_#in~arg.offset_3|)) InVars {} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_3|, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_3|, P0Thread1of1ForFork0_thidvar0=v_P0Thread1of1ForFork0_thidvar0_2, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_3|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_3|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_3, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_3} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#in~arg.offset, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_thidvar0, P0Thread1of1ForFork0_#in~arg.base, P0Thread1of1ForFork0_#res.base, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {5058#true} is VALID [2020-07-28 21:48:03,371 INFO L280 TraceCheckUtils]: 2: Hoare triple {5058#true} [217] L776-1-->L778: Formula: (and (= 0 (select |v_#valid_39| |v_ULTIMATE.start_main_~#t2654~0.base_13|)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2654~0.base_13|) (not (= 0 |v_ULTIMATE.start_main_~#t2654~0.base_13|)) (= |v_#valid_38| (store |v_#valid_39| |v_ULTIMATE.start_main_~#t2654~0.base_13| 1)) (= 0 |v_ULTIMATE.start_main_~#t2654~0.offset_11|) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2654~0.base_13| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2654~0.base_13|) |v_ULTIMATE.start_main_~#t2654~0.offset_11| 1)) |v_#memory_int_13|) (= |v_#length_17| (store |v_#length_18| |v_ULTIMATE.start_main_~#t2654~0.base_13| 4))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_39|, #memory_int=|v_#memory_int_14|, #length=|v_#length_18|} OutVars{ULTIMATE.start_main_~#t2654~0.offset=|v_ULTIMATE.start_main_~#t2654~0.offset_11|, #StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t2654~0.base=|v_ULTIMATE.start_main_~#t2654~0.base_13|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, #valid=|v_#valid_38|, #memory_int=|v_#memory_int_13|, #length=|v_#length_17|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2654~0.offset, ULTIMATE.start_main_~#t2654~0.base, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {5058#true} is VALID [2020-07-28 21:48:03,371 INFO L280 TraceCheckUtils]: 3: Hoare triple {5058#true} [169] L778-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork1_thidvar0_2) (= 0 |v_P1Thread1of1ForFork1_#in~arg.base_3|) (= 0 |v_P1Thread1of1ForFork1_#in~arg.offset_3|)) InVars {} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_3, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_3|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_3, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_3|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_3|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_3|, P1Thread1of1ForFork1_thidvar0=v_P1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_#res.offset, P1Thread1of1ForFork1_~arg.base, P1Thread1of1ForFork1_#in~arg.base, P1Thread1of1ForFork1_#in~arg.offset, P1Thread1of1ForFork1_#res.base, P1Thread1of1ForFork1_thidvar0] {5058#true} is VALID [2020-07-28 21:48:03,371 INFO L280 TraceCheckUtils]: 4: Hoare triple {5058#true} [216] L778-1-->L780: Formula: (and (= 0 (select |v_#valid_37| |v_ULTIMATE.start_main_~#t2655~0.base_13|)) (= |v_#memory_int_11| (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2655~0.base_13| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2655~0.base_13|) |v_ULTIMATE.start_main_~#t2655~0.offset_11| 2))) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t2655~0.base_13| 4)) (not (= 0 |v_ULTIMATE.start_main_~#t2655~0.base_13|)) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t2655~0.base_13|) (= |v_#valid_36| (store |v_#valid_37| |v_ULTIMATE.start_main_~#t2655~0.base_13| 1)) (= 0 |v_ULTIMATE.start_main_~#t2655~0.offset_11|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_12|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_~#t2655~0.offset=|v_ULTIMATE.start_main_~#t2655~0.offset_11|, #valid=|v_#valid_36|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_11|, #length=|v_#length_15|, ULTIMATE.start_main_~#t2655~0.base=|v_ULTIMATE.start_main_~#t2655~0.base_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2655~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t2655~0.base] {5058#true} is VALID [2020-07-28 21:48:03,372 INFO L280 TraceCheckUtils]: 5: Hoare triple {5058#true} [171] L780-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#in~arg.base_3|) (= 0 |v_P2Thread1of1ForFork2_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_3|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_3, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_3, P2Thread1of1ForFork2_thidvar0=v_P2Thread1of1ForFork2_thidvar0_2, P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_3|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_3|, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_3|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#in~arg.offset, P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, P2Thread1of1ForFork2_thidvar0, P2Thread1of1ForFork2_#res.base, P2Thread1of1ForFork2_#in~arg.base, P2Thread1of1ForFork2_#res.offset] {5058#true} is VALID [2020-07-28 21:48:03,372 INFO L280 TraceCheckUtils]: 6: Hoare triple {5058#true} [197] P2ENTRY-->L751: Formula: (and (= 1 v_~y~0_7) (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4)) InVars {P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_4, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_4, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_7} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~y~0] {5060#(= 1 ~y~0)} is VALID [2020-07-28 21:48:03,373 INFO L280 TraceCheckUtils]: 7: Hoare triple {5060#(= 1 ~y~0)} [162] L751-->L756: Formula: (= v_~__unbuffered_p2_EAX~0_1 v_~z~0_2) InVars {~z~0=v_~z~0_2} OutVars{~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_1, ~z~0=v_~z~0_2} AuxVars[] AssignedVars[~__unbuffered_p2_EAX~0] {5060#(= 1 ~y~0)} is VALID [2020-07-28 21:48:03,374 INFO L280 TraceCheckUtils]: 8: Hoare triple {5060#(= 1 ~y~0)} [192] P0ENTRY-->L717: Formula: (and (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= 1 v_~z~0_9) (= v_P0Thread1of1ForFork0_~arg.base_4 |v_P0Thread1of1ForFork0_#in~arg.base_4|)) InVars {P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~z~0=v_~z~0_9, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_4, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_4} AuxVars[] AssignedVars[~z~0, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {5060#(= 1 ~y~0)} is VALID [2020-07-28 21:48:03,374 INFO L280 TraceCheckUtils]: 9: Hoare triple {5060#(= 1 ~y~0)} [150] L717-->L722: Formula: (= v_~__unbuffered_p0_EAX~0_1 v_~x~0_1) InVars {~x~0=v_~x~0_1} OutVars{~x~0=v_~x~0_1, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_1} AuxVars[] AssignedVars[~__unbuffered_p0_EAX~0] {5060#(= 1 ~y~0)} is VALID [2020-07-28 21:48:03,375 INFO L280 TraceCheckUtils]: 10: Hoare triple {5060#(= 1 ~y~0)} [215] L722-->P0EXIT: Formula: (and (= (+ v_~__unbuffered_cnt~0_92 1) v_~__unbuffered_cnt~0_91) (= 0 |v_P0Thread1of1ForFork0_#res.offset_5|) (= 0 |v_P0Thread1of1ForFork0_#res.base_5|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_92} OutVars{P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_5|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_91} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_#res.base, ~__unbuffered_cnt~0] {5060#(= 1 ~y~0)} is VALID [2020-07-28 21:48:03,376 INFO L280 TraceCheckUtils]: 11: Hoare triple {5060#(= 1 ~y~0)} [200] L756-->P2EXIT: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#res.base_17|) (= v_~__unbuffered_cnt~0_67 (+ v_~__unbuffered_cnt~0_68 1)) (= 0 |v_P2Thread1of1ForFork2_#res.offset_17|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_68} OutVars{P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_17|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_67, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_17|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#res.base, ~__unbuffered_cnt~0, P2Thread1of1ForFork2_#res.offset] {5060#(= 1 ~y~0)} is VALID [2020-07-28 21:48:03,376 INFO L280 TraceCheckUtils]: 12: Hoare triple {5060#(= 1 ~y~0)} [172] P1ENTRY-->L734: Formula: (and (= 1 v_~x~0_4) (= |v_P1Thread1of1ForFork1_#in~arg.offset_4| v_P1Thread1of1ForFork1_~arg.offset_4) (= v_P1Thread1of1ForFork1_~arg.base_4 |v_P1Thread1of1ForFork1_#in~arg.base_4|)) InVars {P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_4, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_4, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|, ~x~0=v_~x~0_4} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_~arg.base, ~x~0] {5060#(= 1 ~y~0)} is VALID [2020-07-28 21:48:03,377 INFO L280 TraceCheckUtils]: 13: Hoare triple {5060#(= 1 ~y~0)} [156] L734-->L739: Formula: (= v_~__unbuffered_p1_EAX~0_1 v_~y~0_1) InVars {~y~0=v_~y~0_1} OutVars{~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_1, ~y~0=v_~y~0_1} AuxVars[] AssignedVars[~__unbuffered_p1_EAX~0] {5061#(= 1 ~__unbuffered_p1_EAX~0)} is VALID [2020-07-28 21:48:03,378 INFO L280 TraceCheckUtils]: 14: Hoare triple {5061#(= 1 ~__unbuffered_p1_EAX~0)} [214] L739-->P1EXIT: Formula: (and (= v_~__unbuffered_cnt~0_79 (+ v_~__unbuffered_cnt~0_80 1)) (= 0 |v_P1Thread1of1ForFork1_#res.base_13|) (= |v_P1Thread1of1ForFork1_#res.offset_13| 0)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_80} OutVars{P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_13|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_79, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_13|} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#res.offset, ~__unbuffered_cnt~0, P1Thread1of1ForFork1_#res.base] {5061#(= 1 ~__unbuffered_p1_EAX~0)} is VALID [2020-07-28 21:48:03,378 INFO L280 TraceCheckUtils]: 15: Hoare triple {5061#(= 1 ~__unbuffered_p1_EAX~0)} [222] L780-1-->L2-1: Formula: (and (= v_ULTIMATE.start_assume_abort_if_not_~cond_13 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_9|) (= 1 v_~main$tmp_guard0~0_32) (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond_9| (mod v_~main$tmp_guard0~0_32 256)) (= 3 v_~__unbuffered_cnt~0_98)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_98} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_9|, 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_16|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_98, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_32} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {5061#(= 1 ~__unbuffered_p1_EAX~0)} is VALID [2020-07-28 21:48:03,379 INFO L280 TraceCheckUtils]: 16: Hoare triple {5061#(= 1 ~__unbuffered_p1_EAX~0)} [211] L2-1-->L790: Formula: (and (let ((.cse0 (= 0 v_~__unbuffered_p0_EAX~0_22)) (.cse2 (= 0 v_~__unbuffered_p1_EAX~0_23)) (.cse1 (= 0 v_~__unbuffered_p2_EAX~0_23))) (or (and .cse0 .cse1 (= 0 v_~main$tmp_guard1~0_19) .cse2) (and (or (not .cse0) (not .cse2) (not .cse1)) (= 1 v_~main$tmp_guard1~0_19)))) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_7| (mod v_~main$tmp_guard1~0_19 256))) InVars {~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_23, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_23, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_19, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_7|} AuxVars[] AssignedVars[~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {5062#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} is VALID [2020-07-28 21:48:03,380 INFO L280 TraceCheckUtils]: 17: Hoare triple {5062#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} [203] L790-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_9) (= v_ULTIMATE.start___VERIFIER_assert_~expression_9 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_9, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] {5059#false} is VALID [2020-07-28 21:48:03,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 21:48:03,381 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061461520] [2020-07-28 21:48:03,381 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:48:03,381 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 21:48:03,382 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284635082] [2020-07-28 21:48:03,382 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-07-28 21:48:03,382 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:48:03,382 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 21:48:03,407 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:48:03,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 21:48:03,407 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:48:03,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 21:48:03,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 21:48:03,408 INFO L87 Difference]: Start difference. First operand 55 states and 99 transitions. Second operand 5 states. [2020-07-28 21:48:03,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:03,542 INFO L93 Difference]: Finished difference Result 75 states and 132 transitions. [2020-07-28 21:48:03,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 21:48:03,542 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-07-28 21:48:03,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:48:03,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:48:03,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 30 transitions. [2020-07-28 21:48:03,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:48:03,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 30 transitions. [2020-07-28 21:48:03,545 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 30 transitions. [2020-07-28 21:48:03,595 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 21:48:03,596 INFO L225 Difference]: With dead ends: 75 [2020-07-28 21:48:03,597 INFO L226 Difference]: Without dead ends: 37 [2020-07-28 21:48:03,597 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-28 21:48:03,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-07-28 21:48:03,598 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,598 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,599 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,599 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,599 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,599 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,599 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,599 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,600 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,600 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,600 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,600 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,600 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,600 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,601 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,601 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,601 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,601 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,602 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,602 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,602 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,603 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,603 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,603 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,603 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,604 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,604 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,604 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,604 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,605 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,605 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,605 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,605 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,606 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,606 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,606 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,606 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-07-28 21:48:03,607 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:48:03,607 INFO L82 GeneralOperation]: Start isEquivalent. First operand 37 states. Second operand 37 states. [2020-07-28 21:48:03,607 INFO L74 IsIncluded]: Start isIncluded. First operand 37 states. Second operand 37 states. [2020-07-28 21:48:03,608 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 37 states. [2020-07-28 21:48:03,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:03,609 INFO L93 Difference]: Finished difference Result 37 states and 57 transitions. [2020-07-28 21:48:03,609 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2020-07-28 21:48:03,609 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:03,610 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:03,610 INFO L74 IsIncluded]: Start isIncluded. First operand 37 states. Second operand 37 states. [2020-07-28 21:48:03,610 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 37 states. [2020-07-28 21:48:03,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:03,611 INFO L93 Difference]: Finished difference Result 37 states and 57 transitions. [2020-07-28 21:48:03,611 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2020-07-28 21:48:03,612 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:03,612 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:03,612 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:48:03,612 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:48:03,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-07-28 21:48:03,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 57 transitions. [2020-07-28 21:48:03,614 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 57 transitions. Word has length 18 [2020-07-28 21:48:03,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:48:03,614 INFO L479 AbstractCegarLoop]: Abstraction has 37 states and 57 transitions. [2020-07-28 21:48:03,614 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 21:48:03,615 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2020-07-28 21:48:03,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-28 21:48:03,615 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:48:03,615 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:48:03,616 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 21:48:03,616 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:48:03,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:48:03,617 INFO L82 PathProgramCache]: Analyzing trace with hash 21041593, now seen corresponding path program 3 times [2020-07-28 21:48:03,617 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:48:03,619 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174395862] [2020-07-28 21:48:03,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:48:03,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:48:03,726 INFO L280 TraceCheckUtils]: 0: Hoare triple {5292#true} [228] ULTIMATE.startENTRY-->L776: Formula: (let ((.cse0 (store |v_#valid_51| 0 0))) (and (= 0 |v_#NULL.base_5|) (= 0 v_~main$tmp_guard1~0_27) (= 0 v_~z~0_23) (= (store |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2653~0.base_15| (store (select |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2653~0.base_15|) |v_ULTIMATE.start_main_~#t2653~0.offset_13| 0)) |v_#memory_int_17|) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t2653~0.base_15|)) (= 0 v_~y~0_18) (= 0 v_~main$tmp_guard0~0_43) (= |v_#length_21| (store |v_#length_22| |v_ULTIMATE.start_main_~#t2653~0.base_15| 4)) (= |v_#valid_49| (store .cse0 |v_ULTIMATE.start_main_~#t2653~0.base_15| 1)) (= 0 v_~__unbuffered_p1_EAX~0_30) (= 0 v_~__unbuffered_p2_EAX~0_33) (= 0 |v_#NULL.offset_5|) (= 0 |v_ULTIMATE.start_main_~#t2653~0.offset_13|) (< 0 |v_#StackHeapBarrier_14|) (= 0 v_~x~0_18) (= 0 v_~__unbuffered_p0_EAX~0_29) (= v_~__unbuffered_cnt~0_129 0) (< |v_#StackHeapBarrier_14| |v_ULTIMATE.start_main_~#t2653~0.base_15|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_14|, #valid=|v_#valid_51|, #memory_int=|v_#memory_int_18|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_27|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_~#t2654~0.base=|v_ULTIMATE.start_main_~#t2654~0.base_17|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, #NULL.offset=|v_#NULL.offset_5|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_27, ULTIMATE.start_main_~#t2655~0.base=|v_ULTIMATE.start_main_~#t2655~0.base_17|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_29, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_30, ULTIMATE.start_main_~#t2655~0.offset=|v_ULTIMATE.start_main_~#t2655~0.offset_14|, #length=|v_#length_21|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_33, ~y~0=v_~y~0_18, ULTIMATE.start_main_~#t2654~0.offset=|v_ULTIMATE.start_main_~#t2654~0.offset_14|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_43, #NULL.base=|v_#NULL.base_5|, ULTIMATE.start_main_~#t2653~0.offset=|v_ULTIMATE.start_main_~#t2653~0.offset_13|, #StackHeapBarrier=|v_#StackHeapBarrier_14|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_16|, #valid=|v_#valid_49|, #memory_int=|v_#memory_int_17|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_129, ~z~0=v_~z~0_23, ULTIMATE.start_main_~#t2653~0.base=|v_ULTIMATE.start_main_~#t2653~0.base_15|, ~x~0=v_~x~0_18} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2654~0.offset, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~#t2654~0.base, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t2655~0.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t2653~0.offset, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_~#t2655~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ULTIMATE.start_main_~#t2653~0.base, ~x~0] {5292#true} is VALID [2020-07-28 21:48:03,727 INFO L280 TraceCheckUtils]: 1: Hoare triple {5292#true} [167] L776-->P0ENTRY: Formula: (and (= 0 v_P0Thread1of1ForFork0_thidvar0_2) (= 0 |v_P0Thread1of1ForFork0_#in~arg.base_3|) (= 0 |v_P0Thread1of1ForFork0_#in~arg.offset_3|)) InVars {} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_3|, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_3|, P0Thread1of1ForFork0_thidvar0=v_P0Thread1of1ForFork0_thidvar0_2, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_3|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_3|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_3, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_3} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#in~arg.offset, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_thidvar0, P0Thread1of1ForFork0_#in~arg.base, P0Thread1of1ForFork0_#res.base, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {5292#true} is VALID [2020-07-28 21:48:03,727 INFO L280 TraceCheckUtils]: 2: Hoare triple {5292#true} [217] L776-1-->L778: Formula: (and (= 0 (select |v_#valid_39| |v_ULTIMATE.start_main_~#t2654~0.base_13|)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2654~0.base_13|) (not (= 0 |v_ULTIMATE.start_main_~#t2654~0.base_13|)) (= |v_#valid_38| (store |v_#valid_39| |v_ULTIMATE.start_main_~#t2654~0.base_13| 1)) (= 0 |v_ULTIMATE.start_main_~#t2654~0.offset_11|) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2654~0.base_13| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2654~0.base_13|) |v_ULTIMATE.start_main_~#t2654~0.offset_11| 1)) |v_#memory_int_13|) (= |v_#length_17| (store |v_#length_18| |v_ULTIMATE.start_main_~#t2654~0.base_13| 4))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_39|, #memory_int=|v_#memory_int_14|, #length=|v_#length_18|} OutVars{ULTIMATE.start_main_~#t2654~0.offset=|v_ULTIMATE.start_main_~#t2654~0.offset_11|, #StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t2654~0.base=|v_ULTIMATE.start_main_~#t2654~0.base_13|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, #valid=|v_#valid_38|, #memory_int=|v_#memory_int_13|, #length=|v_#length_17|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2654~0.offset, ULTIMATE.start_main_~#t2654~0.base, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {5292#true} is VALID [2020-07-28 21:48:03,728 INFO L280 TraceCheckUtils]: 3: Hoare triple {5292#true} [169] L778-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork1_thidvar0_2) (= 0 |v_P1Thread1of1ForFork1_#in~arg.base_3|) (= 0 |v_P1Thread1of1ForFork1_#in~arg.offset_3|)) InVars {} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_3, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_3|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_3, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_3|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_3|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_3|, P1Thread1of1ForFork1_thidvar0=v_P1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_#res.offset, P1Thread1of1ForFork1_~arg.base, P1Thread1of1ForFork1_#in~arg.base, P1Thread1of1ForFork1_#in~arg.offset, P1Thread1of1ForFork1_#res.base, P1Thread1of1ForFork1_thidvar0] {5292#true} is VALID [2020-07-28 21:48:03,728 INFO L280 TraceCheckUtils]: 4: Hoare triple {5292#true} [216] L778-1-->L780: Formula: (and (= 0 (select |v_#valid_37| |v_ULTIMATE.start_main_~#t2655~0.base_13|)) (= |v_#memory_int_11| (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2655~0.base_13| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2655~0.base_13|) |v_ULTIMATE.start_main_~#t2655~0.offset_11| 2))) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t2655~0.base_13| 4)) (not (= 0 |v_ULTIMATE.start_main_~#t2655~0.base_13|)) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t2655~0.base_13|) (= |v_#valid_36| (store |v_#valid_37| |v_ULTIMATE.start_main_~#t2655~0.base_13| 1)) (= 0 |v_ULTIMATE.start_main_~#t2655~0.offset_11|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_12|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_~#t2655~0.offset=|v_ULTIMATE.start_main_~#t2655~0.offset_11|, #valid=|v_#valid_36|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_11|, #length=|v_#length_15|, ULTIMATE.start_main_~#t2655~0.base=|v_ULTIMATE.start_main_~#t2655~0.base_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2655~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t2655~0.base] {5292#true} is VALID [2020-07-28 21:48:03,729 INFO L280 TraceCheckUtils]: 5: Hoare triple {5292#true} [171] L780-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#in~arg.base_3|) (= 0 |v_P2Thread1of1ForFork2_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_3|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_3, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_3, P2Thread1of1ForFork2_thidvar0=v_P2Thread1of1ForFork2_thidvar0_2, P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_3|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_3|, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_3|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#in~arg.offset, P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, P2Thread1of1ForFork2_thidvar0, P2Thread1of1ForFork2_#res.base, P2Thread1of1ForFork2_#in~arg.base, P2Thread1of1ForFork2_#res.offset] {5292#true} is VALID [2020-07-28 21:48:03,730 INFO L280 TraceCheckUtils]: 6: Hoare triple {5292#true} [172] P1ENTRY-->L734: Formula: (and (= 1 v_~x~0_4) (= |v_P1Thread1of1ForFork1_#in~arg.offset_4| v_P1Thread1of1ForFork1_~arg.offset_4) (= v_P1Thread1of1ForFork1_~arg.base_4 |v_P1Thread1of1ForFork1_#in~arg.base_4|)) InVars {P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_4, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_4, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|, ~x~0=v_~x~0_4} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_~arg.base, ~x~0] {5294#(= 1 ~x~0)} is VALID [2020-07-28 21:48:03,732 INFO L280 TraceCheckUtils]: 7: Hoare triple {5294#(= 1 ~x~0)} [156] L734-->L739: Formula: (= v_~__unbuffered_p1_EAX~0_1 v_~y~0_1) InVars {~y~0=v_~y~0_1} OutVars{~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_1, ~y~0=v_~y~0_1} AuxVars[] AssignedVars[~__unbuffered_p1_EAX~0] {5294#(= 1 ~x~0)} is VALID [2020-07-28 21:48:03,733 INFO L280 TraceCheckUtils]: 8: Hoare triple {5294#(= 1 ~x~0)} [197] P2ENTRY-->L751: Formula: (and (= 1 v_~y~0_7) (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4)) InVars {P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_4, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_4, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_7} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~y~0] {5294#(= 1 ~x~0)} is VALID [2020-07-28 21:48:03,734 INFO L280 TraceCheckUtils]: 9: Hoare triple {5294#(= 1 ~x~0)} [162] L751-->L756: Formula: (= v_~__unbuffered_p2_EAX~0_1 v_~z~0_2) InVars {~z~0=v_~z~0_2} OutVars{~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_1, ~z~0=v_~z~0_2} AuxVars[] AssignedVars[~__unbuffered_p2_EAX~0] {5294#(= 1 ~x~0)} is VALID [2020-07-28 21:48:03,735 INFO L280 TraceCheckUtils]: 10: Hoare triple {5294#(= 1 ~x~0)} [192] P0ENTRY-->L717: Formula: (and (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= 1 v_~z~0_9) (= v_P0Thread1of1ForFork0_~arg.base_4 |v_P0Thread1of1ForFork0_#in~arg.base_4|)) InVars {P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~z~0=v_~z~0_9, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_4, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_4} AuxVars[] AssignedVars[~z~0, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {5294#(= 1 ~x~0)} is VALID [2020-07-28 21:48:03,736 INFO L280 TraceCheckUtils]: 11: Hoare triple {5294#(= 1 ~x~0)} [150] L717-->L722: Formula: (= v_~__unbuffered_p0_EAX~0_1 v_~x~0_1) InVars {~x~0=v_~x~0_1} OutVars{~x~0=v_~x~0_1, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_1} AuxVars[] AssignedVars[~__unbuffered_p0_EAX~0] {5295#(= 1 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:48:03,737 INFO L280 TraceCheckUtils]: 12: Hoare triple {5295#(= 1 ~__unbuffered_p0_EAX~0)} [214] L739-->P1EXIT: Formula: (and (= v_~__unbuffered_cnt~0_79 (+ v_~__unbuffered_cnt~0_80 1)) (= 0 |v_P1Thread1of1ForFork1_#res.base_13|) (= |v_P1Thread1of1ForFork1_#res.offset_13| 0)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_80} OutVars{P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_13|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_79, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_13|} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#res.offset, ~__unbuffered_cnt~0, P1Thread1of1ForFork1_#res.base] {5295#(= 1 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:48:03,738 INFO L280 TraceCheckUtils]: 13: Hoare triple {5295#(= 1 ~__unbuffered_p0_EAX~0)} [215] L722-->P0EXIT: Formula: (and (= (+ v_~__unbuffered_cnt~0_92 1) v_~__unbuffered_cnt~0_91) (= 0 |v_P0Thread1of1ForFork0_#res.offset_5|) (= 0 |v_P0Thread1of1ForFork0_#res.base_5|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_92} OutVars{P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_5|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_91} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_#res.base, ~__unbuffered_cnt~0] {5295#(= 1 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:48:03,739 INFO L280 TraceCheckUtils]: 14: Hoare triple {5295#(= 1 ~__unbuffered_p0_EAX~0)} [200] L756-->P2EXIT: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#res.base_17|) (= v_~__unbuffered_cnt~0_67 (+ v_~__unbuffered_cnt~0_68 1)) (= 0 |v_P2Thread1of1ForFork2_#res.offset_17|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_68} OutVars{P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_17|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_67, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_17|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#res.base, ~__unbuffered_cnt~0, P2Thread1of1ForFork2_#res.offset] {5295#(= 1 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:48:03,740 INFO L280 TraceCheckUtils]: 15: Hoare triple {5295#(= 1 ~__unbuffered_p0_EAX~0)} [222] L780-1-->L2-1: Formula: (and (= v_ULTIMATE.start_assume_abort_if_not_~cond_13 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_9|) (= 1 v_~main$tmp_guard0~0_32) (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond_9| (mod v_~main$tmp_guard0~0_32 256)) (= 3 v_~__unbuffered_cnt~0_98)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_98} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_9|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_13, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_16|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_98, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_32} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {5295#(= 1 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:48:03,741 INFO L280 TraceCheckUtils]: 16: Hoare triple {5295#(= 1 ~__unbuffered_p0_EAX~0)} [211] L2-1-->L790: Formula: (and (let ((.cse0 (= 0 v_~__unbuffered_p0_EAX~0_22)) (.cse2 (= 0 v_~__unbuffered_p1_EAX~0_23)) (.cse1 (= 0 v_~__unbuffered_p2_EAX~0_23))) (or (and .cse0 .cse1 (= 0 v_~main$tmp_guard1~0_19) .cse2) (and (or (not .cse0) (not .cse2) (not .cse1)) (= 1 v_~main$tmp_guard1~0_19)))) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_7| (mod v_~main$tmp_guard1~0_19 256))) InVars {~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_23, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_23, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_19, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_7|} AuxVars[] AssignedVars[~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {5296#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} is VALID [2020-07-28 21:48:03,743 INFO L280 TraceCheckUtils]: 17: Hoare triple {5296#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} [203] L790-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_9) (= v_ULTIMATE.start___VERIFIER_assert_~expression_9 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_9, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] {5293#false} is VALID [2020-07-28 21:48:03,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 21:48:03,745 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174395862] [2020-07-28 21:48:03,745 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:48:03,745 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 21:48:03,745 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777151951] [2020-07-28 21:48:03,745 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-07-28 21:48:03,746 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:48:03,746 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 21:48:03,771 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:48:03,771 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 21:48:03,772 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:48:03,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 21:48:03,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 21:48:03,773 INFO L87 Difference]: Start difference. First operand 37 states and 57 transitions. Second operand 5 states. [2020-07-28 21:48:03,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:03,854 INFO L93 Difference]: Finished difference Result 36 states and 56 transitions. [2020-07-28 21:48:03,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 21:48:03,854 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-07-28 21:48:03,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:48:03,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:48:03,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 22 transitions. [2020-07-28 21:48:03,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:48:03,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 22 transitions. [2020-07-28 21:48:03,857 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 22 transitions. [2020-07-28 21:48:03,895 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:48:03,895 INFO L225 Difference]: With dead ends: 36 [2020-07-28 21:48:03,896 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 21:48:03,896 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-28 21:48:03,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 21:48:03,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 21:48:03,896 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:48:03,897 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 21:48:03,897 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 21:48:03,897 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 21:48:03,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:03,897 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 21:48:03,897 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 21:48:03,897 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:03,898 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:03,898 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 21:48:03,898 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 21:48:03,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:03,898 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 21:48:03,898 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 21:48:03,898 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:03,898 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:03,899 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:48:03,899 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:48:03,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 21:48:03,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 21:48:03,899 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-07-28 21:48:03,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:48:03,899 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 21:48:03,899 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 21:48:03,899 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 21:48:03,900 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:03,900 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-28 21:48:03,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 09:48:03 BasicIcfg [2020-07-28 21:48:03,903 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 21:48:03,903 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 21:48:03,904 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 21:48:03,904 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 21:48:03,904 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 09:47:58" (3/4) ... [2020-07-28 21:48:03,908 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 21:48:03,914 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2020-07-28 21:48:03,914 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2020-07-28 21:48:03,914 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2020-07-28 21:48:03,919 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-07-28 21:48:03,919 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-07-28 21:48:03,919 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 21:48:03,967 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 21:48:03,967 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 21:48:03,972 INFO L168 Benchmark]: Toolchain (without parser) took 6599.33 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 288.9 MB). Free memory was 956.2 MB in the beginning and 1.2 GB in the end (delta: -213.6 MB). Peak memory consumption was 75.3 MB. Max. memory is 11.5 GB. [2020-07-28 21:48:03,973 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 21:48:03,973 INFO L168 Benchmark]: CACSL2BoogieTranslator took 654.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -172.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2020-07-28 21:48:03,974 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 11.5 GB. [2020-07-28 21:48:03,974 INFO L168 Benchmark]: Boogie Preprocessor took 32.08 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 21:48:03,975 INFO L168 Benchmark]: RCFGBuilder took 579.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.1 MB). Peak memory consumption was 30.1 MB. Max. memory is 11.5 GB. [2020-07-28 21:48:03,976 INFO L168 Benchmark]: TraceAbstraction took 5204.20 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 124.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -92.6 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2020-07-28 21:48:03,976 INFO L168 Benchmark]: Witness Printer took 63.38 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. [2020-07-28 21:48:03,980 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 0.30 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 654.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -172.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.08 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 579.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.1 MB). Peak memory consumption was 30.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5204.20 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 124.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -92.6 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Witness Printer took 63.38 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.1s, 79 ProgramPointsBefore, 32 ProgramPointsAfterwards, 71 TransitionsBefore, 23 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 6 FixpointIterations, 15 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 663 VarBasedMoverChecksPositive, 26 VarBasedMoverChecksNegative, 12 SemBasedMoverChecksPositive, 29 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.6s, 0 MoverChecksTotal, 2315 CheckedPairsTotal, 57 TotalNumberOfCompositions - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 70 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.0s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.1s, HoareTripleCheckerStatistics: 138 SDtfs, 104 SDslu, 203 SDs, 0 SdLazy, 56 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=362occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 98 NumberOfCodeBlocks, 98 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 91 ConstructedInterpolants, 0 QuantifiedInterpolants, 3491 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...