./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe000_pso.opt.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/safe000_pso.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9f45df60240dc541b67cb18939d1d481a782af50 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 21:26:09,986 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 21:26:09,996 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 21:26:10,011 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 21:26:10,012 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 21:26:10,013 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 21:26:10,015 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 21:26:10,017 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 21:26:10,019 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 21:26:10,020 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 21:26:10,021 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 21:26:10,022 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 21:26:10,023 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 21:26:10,024 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 21:26:10,025 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 21:26:10,028 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 21:26:10,030 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 21:26:10,031 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 21:26:10,034 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 21:26:10,040 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 21:26:10,042 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 21:26:10,044 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 21:26:10,047 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 21:26:10,049 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 21:26:10,053 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 21:26:10,055 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 21:26:10,056 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 21:26:10,057 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 21:26:10,058 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 21:26:10,059 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 21:26:10,060 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 21:26:10,061 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 21:26:10,062 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 21:26:10,063 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 21:26:10,066 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 21:26:10,068 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 21:26:10,068 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 21:26:10,069 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 21:26:10,069 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 21:26:10,070 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 21:26:10,071 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 21:26:10,072 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 21:26:10,107 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 21:26:10,110 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 21:26:10,112 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 21:26:10,113 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 21:26:10,113 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 21:26:10,114 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 21:26:10,114 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 21:26:10,114 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 21:26:10,114 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 21:26:10,114 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 21:26:10,115 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 21:26:10,115 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 21:26:10,115 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 21:26:10,115 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 21:26:10,115 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 21:26:10,115 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 21:26:10,116 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 21:26:10,116 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 21:26:10,117 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 21:26:10,117 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 21:26:10,117 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 21:26:10,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 21:26:10,118 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 21:26:10,118 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 21:26:10,119 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 21:26:10,119 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 21:26:10,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 21:26:10,120 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 21:26:10,120 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 21:26:10,121 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 -> 9f45df60240dc541b67cb18939d1d481a782af50 [2020-07-28 21:26:10,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 21:26:10,422 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 21:26:10,425 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 21:26:10,427 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 21:26:10,427 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 21:26:10,428 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe000_pso.opt.i [2020-07-28 21:26:10,492 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c03565595/863fcf4ad1014bca8b17d6b6a41b5300/FLAGf8a9f7218 [2020-07-28 21:26:11,015 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 21:26:11,015 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe000_pso.opt.i [2020-07-28 21:26:11,032 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c03565595/863fcf4ad1014bca8b17d6b6a41b5300/FLAGf8a9f7218 [2020-07-28 21:26:11,325 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c03565595/863fcf4ad1014bca8b17d6b6a41b5300 [2020-07-28 21:26:11,328 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 21:26:11,331 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 21:26:11,332 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 21:26:11,332 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 21:26:11,336 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 21:26:11,338 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 09:26:11" (1/1) ... [2020-07-28 21:26:11,341 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fde7000 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:26:11, skipping insertion in model container [2020-07-28 21:26:11,341 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 09:26:11" (1/1) ... [2020-07-28 21:26:11,349 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 21:26:11,401 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 21:26:11,860 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 21:26:11,873 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 21:26:11,925 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 21:26:12,012 INFO L208 MainTranslator]: Completed translation [2020-07-28 21:26:12,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:26:12 WrapperNode [2020-07-28 21:26:12,013 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 21:26:12,014 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 21:26:12,014 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 21:26:12,015 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 21:26:12,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:26:12" (1/1) ... [2020-07-28 21:26:12,042 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:26:12" (1/1) ... [2020-07-28 21:26:12,069 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 21:26:12,070 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 21:26:12,070 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 21:26:12,070 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 21:26:12,080 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:26:12" (1/1) ... [2020-07-28 21:26:12,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:26:12" (1/1) ... [2020-07-28 21:26:12,084 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:26:12" (1/1) ... [2020-07-28 21:26:12,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:26:12" (1/1) ... [2020-07-28 21:26:12,093 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:26:12" (1/1) ... [2020-07-28 21:26:12,095 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:26:12" (1/1) ... [2020-07-28 21:26:12,097 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:26:12" (1/1) ... [2020-07-28 21:26:12,101 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 21:26:12,101 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 21:26:12,102 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 21:26:12,102 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 21:26:12,103 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:26:12" (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 21:26:12,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-28 21:26:12,167 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-07-28 21:26:12,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 21:26:12,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 21:26:12,168 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-07-28 21:26:12,168 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-07-28 21:26:12,168 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-07-28 21:26:12,168 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-07-28 21:26:12,168 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-07-28 21:26:12,169 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-07-28 21:26:12,169 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-07-28 21:26:12,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 21:26:12,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 21:26:12,171 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 21:26:12,672 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 21:26:12,672 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-07-28 21:26:12,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 09:26:12 BoogieIcfgContainer [2020-07-28 21:26:12,677 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 21:26:12,678 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 21:26:12,679 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 21:26:12,684 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 21:26:12,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 09:26:11" (1/3) ... [2020-07-28 21:26:12,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68a99073 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 09:26:12, skipping insertion in model container [2020-07-28 21:26:12,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:26:12" (2/3) ... [2020-07-28 21:26:12,689 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68a99073 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 09:26:12, skipping insertion in model container [2020-07-28 21:26:12,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 09:26:12" (3/3) ... [2020-07-28 21:26:12,691 INFO L109 eAbstractionObserver]: Analyzing ICFG safe000_pso.opt.i [2020-07-28 21:26:12,699 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-07-28 21:26:12,700 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 21:26:12,710 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 21:26:12,712 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-07-28 21:26:12,744 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:12,745 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:12,745 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:12,745 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:12,746 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:12,746 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:12,747 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:12,747 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:12,748 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:12,748 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:12,748 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:12,749 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:12,749 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:12,750 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:12,750 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:12,750 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:12,751 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:12,751 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:12,755 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:12,755 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:12,756 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:12,756 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:12,765 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:12,766 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:12,766 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:12,766 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:12,769 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:12,769 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:12,769 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:12,769 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:12,785 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-07-28 21:26:12,806 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 21:26:12,806 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 21:26:12,807 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 21:26:12,807 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 21:26:12,807 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 21:26:12,807 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 21:26:12,808 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 21:26:12,808 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 21:26:12,824 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 70 transitions, 155 flow [2020-07-28 21:26:12,826 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 78 places, 70 transitions, 155 flow [2020-07-28 21:26:12,872 INFO L129 PetriNetUnfolder]: 2/67 cut-off events. [2020-07-28 21:26:12,873 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-07-28 21:26:12,878 INFO L80 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 67 events. 2/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 46 event pairs, 0 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-07-28 21:26:12,882 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 78 places, 70 transitions, 155 flow [2020-07-28 21:26:12,923 INFO L129 PetriNetUnfolder]: 2/67 cut-off events. [2020-07-28 21:26:12,923 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-07-28 21:26:12,924 INFO L80 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 67 events. 2/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 46 event pairs, 0 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-07-28 21:26:12,927 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1260 [2020-07-28 21:26:12,929 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-07-28 21:26:15,321 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2700 [2020-07-28 21:26:15,322 INFO L214 etLargeBlockEncoding]: Total number of compositions: 59 [2020-07-28 21:26:15,326 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 31 places, 22 transitions, 59 flow [2020-07-28 21:26:15,352 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 298 states. [2020-07-28 21:26:15,354 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states. [2020-07-28 21:26:15,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-07-28 21:26:15,363 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:26:15,364 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:26:15,364 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:26:15,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:26:15,370 INFO L82 PathProgramCache]: Analyzing trace with hash -1011733384, now seen corresponding path program 1 times [2020-07-28 21:26:15,381 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:26:15,382 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547855190] [2020-07-28 21:26:15,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:26:15,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:26:15,629 INFO L280 TraceCheckUtils]: 0: Hoare triple {677#true} [226] ULTIMATE.startENTRY-->L768: Formula: (let ((.cse0 (store |v_#valid_58| 0 0))) (and (= 0 |v_ULTIMATE.start_main_~#t1786~0.offset_17|) (= 0 v_~main$tmp_guard0~0_35) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1786~0.base_24|)) (= v_~__unbuffered_cnt~0_131 0) (= 0 v_~y~0_65) (= 0 v_~main$tmp_guard1~0_41) (= 0 v_~__unbuffered_p1_EAX~0_48) (= 0 |v_#NULL.base_6|) (= (store |v_#memory_int_18| |v_ULTIMATE.start_main_~#t1786~0.base_24| (store (select |v_#memory_int_18| |v_ULTIMATE.start_main_~#t1786~0.base_24|) |v_ULTIMATE.start_main_~#t1786~0.offset_17| 0)) |v_#memory_int_17|) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t1786~0.base_24|) (= 0 v_~__unbuffered_p0_EAX~0_44) (= 0 |v_#NULL.offset_6|) (= (store |v_#length_20| |v_ULTIMATE.start_main_~#t1786~0.base_24| 4) |v_#length_19|) (= |v_#valid_56| (store .cse0 |v_ULTIMATE.start_main_~#t1786~0.base_24| 1)) (= 0 v_~__unbuffered_p2_EAX~0_44) (< 0 |v_#StackHeapBarrier_15|) (= 0 v_~x~0_20))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_58|, #memory_int=|v_#memory_int_18|, #length=|v_#length_20|} OutVars{ULTIMATE.start_main_~#t1787~0.base=|v_ULTIMATE.start_main_~#t1787~0.base_22|, ULTIMATE.start_main_~#t1787~0.offset=|v_ULTIMATE.start_main_~#t1787~0.offset_16|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_25|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_6|, ULTIMATE.start_main_~#t1786~0.base=|v_ULTIMATE.start_main_~#t1786~0.base_24|, #NULL.offset=|v_#NULL.offset_6|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_41, ULTIMATE.start_main_~#t1788~0.offset=|v_ULTIMATE.start_main_~#t1788~0.offset_14|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_35, #NULL.base=|v_#NULL.base_6|, ULTIMATE.start_main_~#t1786~0.offset=|v_ULTIMATE.start_main_~#t1786~0.offset_17|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_44, ULTIMATE.start_main_~#t1788~0.base=|v_ULTIMATE.start_main_~#t1788~0.base_19|, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_48, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_16|, #valid=|v_#valid_56|, #memory_int=|v_#memory_int_17|, #length=|v_#length_19|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_44, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_131, ~y~0=v_~y~0_65, ~x~0=v_~x~0_20} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1787~0.base, ULTIMATE.start_main_~#t1787~0.offset, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~#t1786~0.base, #NULL.offset, ~main$tmp_guard1~0, ULTIMATE.start_main_~#t1788~0.offset, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t1786~0.offset, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t1788~0.base, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~y~0, ~x~0] {679#(<= ~__unbuffered_p2_EAX~0 0)} is VALID [2020-07-28 21:26:15,630 INFO L280 TraceCheckUtils]: 1: Hoare triple {679#(<= ~__unbuffered_p2_EAX~0 0)} [165] L768-->P0ENTRY: Formula: (and (= 0 v_P0Thread1of1ForFork0_thidvar0_2) (= 0 |v_P0Thread1of1ForFork0_#in~arg.base_3|) (= 0 |v_P0Thread1of1ForFork0_#in~arg.offset_3|)) InVars {} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_3|, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_3|, P0Thread1of1ForFork0_thidvar0=v_P0Thread1of1ForFork0_thidvar0_2, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_3|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_3|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_3, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_3} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#in~arg.offset, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_thidvar0, P0Thread1of1ForFork0_#in~arg.base, P0Thread1of1ForFork0_#res.base, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {679#(<= ~__unbuffered_p2_EAX~0 0)} is VALID [2020-07-28 21:26:15,631 INFO L280 TraceCheckUtils]: 2: Hoare triple {679#(<= ~__unbuffered_p2_EAX~0 0)} [202] L768-1-->L770: Formula: (and (= 0 (select |v_#valid_34| |v_ULTIMATE.start_main_~#t1787~0.base_9|)) (not (= 0 |v_ULTIMATE.start_main_~#t1787~0.base_9|)) (= 0 |v_ULTIMATE.start_main_~#t1787~0.offset_8|) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t1787~0.base_9| 4)) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t1787~0.base_9|) (= (store |v_#valid_34| |v_ULTIMATE.start_main_~#t1787~0.base_9| 1) |v_#valid_33|) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1787~0.base_9| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1787~0.base_9|) |v_ULTIMATE.start_main_~#t1787~0.offset_8| 1)) |v_#memory_int_13|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_14|, #length=|v_#length_16|} OutVars{ULTIMATE.start_main_~#t1787~0.base=|v_ULTIMATE.start_main_~#t1787~0.base_9|, #StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_~#t1787~0.offset=|v_ULTIMATE.start_main_~#t1787~0.offset_8|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_4|, #valid=|v_#valid_33|, #memory_int=|v_#memory_int_13|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1787~0.base, ULTIMATE.start_main_~#t1787~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {679#(<= ~__unbuffered_p2_EAX~0 0)} is VALID [2020-07-28 21:26:15,632 INFO L280 TraceCheckUtils]: 3: Hoare triple {679#(<= ~__unbuffered_p2_EAX~0 0)} [167] L770-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork1_thidvar0_2) (= 0 |v_P1Thread1of1ForFork1_#in~arg.base_3|) (= 0 |v_P1Thread1of1ForFork1_#in~arg.offset_3|)) InVars {} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_3, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_3|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_3, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_3|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_3|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_3|, P1Thread1of1ForFork1_thidvar0=v_P1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_#res.offset, P1Thread1of1ForFork1_~arg.base, P1Thread1of1ForFork1_#in~arg.base, P1Thread1of1ForFork1_#in~arg.offset, P1Thread1of1ForFork1_#res.base, P1Thread1of1ForFork1_thidvar0] {679#(<= ~__unbuffered_p2_EAX~0 0)} is VALID [2020-07-28 21:26:15,633 INFO L280 TraceCheckUtils]: 4: Hoare triple {679#(<= ~__unbuffered_p2_EAX~0 0)} [196] L770-1-->L772: Formula: (and (= |v_#valid_27| (store |v_#valid_28| |v_ULTIMATE.start_main_~#t1788~0.base_8| 1)) (not (= 0 |v_ULTIMATE.start_main_~#t1788~0.base_8|)) (= 0 |v_ULTIMATE.start_main_~#t1788~0.offset_8|) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t1788~0.base_8|) (= |v_#length_13| (store |v_#length_14| |v_ULTIMATE.start_main_~#t1788~0.base_8| 4)) (= 0 (select |v_#valid_28| |v_ULTIMATE.start_main_~#t1788~0.base_8|)) (= (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t1788~0.base_8| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t1788~0.base_8|) |v_ULTIMATE.start_main_~#t1788~0.offset_8| 2)) |v_#memory_int_11|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_28|, #memory_int=|v_#memory_int_12|, #length=|v_#length_14|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_9|, ULTIMATE.start_main_~#t1788~0.base=|v_ULTIMATE.start_main_~#t1788~0.base_8|, #valid=|v_#valid_27|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_3|, #memory_int=|v_#memory_int_11|, #length=|v_#length_13|, ULTIMATE.start_main_~#t1788~0.offset=|v_ULTIMATE.start_main_~#t1788~0.offset_8|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1788~0.base, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t1788~0.offset] {679#(<= ~__unbuffered_p2_EAX~0 0)} is VALID [2020-07-28 21:26:15,634 INFO L280 TraceCheckUtils]: 5: Hoare triple {679#(<= ~__unbuffered_p2_EAX~0 0)} [169] L772-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#in~arg.base_3|) (= 0 |v_P2Thread1of1ForFork2_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_3|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_3, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_3, P2Thread1of1ForFork2_thidvar0=v_P2Thread1of1ForFork2_thidvar0_2, P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_3|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_3|, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_3|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#in~arg.offset, P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, P2Thread1of1ForFork2_thidvar0, P2Thread1of1ForFork2_#res.base, P2Thread1of1ForFork2_#in~arg.base, P2Thread1of1ForFork2_#res.offset] {679#(<= ~__unbuffered_p2_EAX~0 0)} is VALID [2020-07-28 21:26:15,635 INFO L280 TraceCheckUtils]: 6: Hoare triple {679#(<= ~__unbuffered_p2_EAX~0 0)} [207] L772-1-->L2: Formula: (and (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond_8| (mod v_~main$tmp_guard0~0_22 256)) (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_91))) (or (and (= 1 v_~main$tmp_guard0~0_22) .cse0) (and (not .cse0) (= 0 v_~main$tmp_guard0~0_22))))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_91} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_8|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_10, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_13|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_91, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_22} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {679#(<= ~__unbuffered_p2_EAX~0 0)} is VALID [2020-07-28 21:26:15,636 INFO L280 TraceCheckUtils]: 7: Hoare triple {679#(<= ~__unbuffered_p2_EAX~0 0)} [225] L2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 2 v_~y~0_64) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_26)) (= 1 v_~__unbuffered_p1_EAX~0_47) (= 2 v_~__unbuffered_p0_EAX~0_43) (= 1 v_~__unbuffered_p2_EAX~0_43) (= v_ULTIMATE.start___VERIFIER_assert_~expression_17 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_11|) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_11| (mod v_~main$tmp_guard1~0_40 256)) (= 0 v_~main$tmp_guard1~0_40) (= v_ULTIMATE.start_assume_abort_if_not_~cond_26 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_24|)) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_24|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_43, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_47, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_43, ~y~0=v_~y~0_64} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_24|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_43, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_17, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_26, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_47, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_40, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_43, ~y~0=v_~y~0_64, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_11|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {678#false} is VALID [2020-07-28 21:26:15,639 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 21:26:15,640 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547855190] [2020-07-28 21:26:15,641 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:26:15,641 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-07-28 21:26:15,643 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113057863] [2020-07-28 21:26:15,649 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-07-28 21:26:15,651 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:26:15,656 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 21:26:15,685 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 21:26:15,686 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 21:26:15,686 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:26:15,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 21:26:15,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 21:26:15,700 INFO L87 Difference]: Start difference. First operand 298 states. Second operand 3 states. [2020-07-28 21:26:15,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:26:15,856 INFO L93 Difference]: Finished difference Result 282 states and 808 transitions. [2020-07-28 21:26:15,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 21:26:15,856 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-07-28 21:26:15,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:26:15,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 21:26:15,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 29 transitions. [2020-07-28 21:26:15,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 21:26:15,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 29 transitions. [2020-07-28 21:26:15,867 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 29 transitions. [2020-07-28 21:26:15,928 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 29 edges. 29 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:26:15,965 INFO L225 Difference]: With dead ends: 282 [2020-07-28 21:26:15,966 INFO L226 Difference]: Without dead ends: 218 [2020-07-28 21:26:15,967 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 21:26:15,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2020-07-28 21:26:16,031 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,034 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,034 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,035 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,035 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,035 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,036 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,036 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,036 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,036 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,037 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,037 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,037 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,038 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,038 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,038 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,039 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,039 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,039 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,040 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,040 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,040 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,040 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,041 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,041 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,041 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,042 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,042 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,042 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,043 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,043 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,043 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,043 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,044 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,044 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,044 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,045 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,045 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,045 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,046 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,046 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,046 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,046 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,047 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,047 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,047 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,048 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,048 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,048 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,049 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,049 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,049 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,049 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,050 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,050 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,050 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,051 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,051 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,051 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,052 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,052 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,052 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,052 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,053 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,053 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,053 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,054 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,054 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,054 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,055 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,055 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,055 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,055 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,056 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,056 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,056 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,057 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,057 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,057 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,058 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,058 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,058 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,059 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,059 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,059 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,059 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,060 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,060 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,060 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,061 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,061 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,061 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,062 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,062 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,062 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,063 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,063 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,063 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,063 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,064 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,064 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,064 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,065 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,065 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,065 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,066 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,066 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,066 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,067 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,067 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,067 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,068 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,068 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,068 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,069 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,069 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,069 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,069 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,070 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,070 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,070 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,071 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,071 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,071 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,072 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,072 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,072 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,073 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,073 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,073 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,074 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,074 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,074 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,075 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,075 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,075 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,076 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,076 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,076 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,076 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,077 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,077 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,077 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,078 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,078 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,078 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,079 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,079 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,079 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,079 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,080 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,080 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,080 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,081 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,081 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,081 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,082 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,082 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,082 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,082 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,083 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,083 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,083 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,084 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,084 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,084 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,085 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,085 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,085 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,086 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,086 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,086 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,087 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,087 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,087 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,087 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,088 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,088 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,088 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,089 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,089 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,089 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,090 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,090 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,090 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,091 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,091 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,091 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,091 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,092 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,092 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,092 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,093 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,093 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,093 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,094 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,094 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,094 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,095 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,095 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,095 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,095 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,096 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,096 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,096 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,097 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,097 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,097 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,098 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,098 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,098 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,099 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,099 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,099 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,100 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,100 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,101 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,101 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2020-07-28 21:26:16,102 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:26:16,103 INFO L82 GeneralOperation]: Start isEquivalent. First operand 218 states. Second operand 218 states. [2020-07-28 21:26:16,104 INFO L74 IsIncluded]: Start isIncluded. First operand 218 states. Second operand 218 states. [2020-07-28 21:26:16,104 INFO L87 Difference]: Start difference. First operand 218 states. Second operand 218 states. [2020-07-28 21:26:16,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:26:16,125 INFO L93 Difference]: Finished difference Result 218 states and 600 transitions. [2020-07-28 21:26:16,125 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 600 transitions. [2020-07-28 21:26:16,128 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:26:16,128 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:26:16,129 INFO L74 IsIncluded]: Start isIncluded. First operand 218 states. Second operand 218 states. [2020-07-28 21:26:16,129 INFO L87 Difference]: Start difference. First operand 218 states. Second operand 218 states. [2020-07-28 21:26:16,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:26:16,147 INFO L93 Difference]: Finished difference Result 218 states and 600 transitions. [2020-07-28 21:26:16,148 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 600 transitions. [2020-07-28 21:26:16,150 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:26:16,150 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:26:16,150 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:26:16,151 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:26:16,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-07-28 21:26:16,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 600 transitions. [2020-07-28 21:26:16,169 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 600 transitions. Word has length 8 [2020-07-28 21:26:16,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:26:16,169 INFO L479 AbstractCegarLoop]: Abstraction has 218 states and 600 transitions. [2020-07-28 21:26:16,170 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 21:26:16,170 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 600 transitions. [2020-07-28 21:26:16,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-07-28 21:26:16,171 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:26:16,171 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:26:16,172 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 21:26:16,172 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:26:16,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:26:16,172 INFO L82 PathProgramCache]: Analyzing trace with hash -1298976658, now seen corresponding path program 1 times [2020-07-28 21:26:16,173 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:26:16,173 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684359243] [2020-07-28 21:26:16,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:26:16,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:26:16,284 INFO L280 TraceCheckUtils]: 0: Hoare triple {1836#true} [226] ULTIMATE.startENTRY-->L768: Formula: (let ((.cse0 (store |v_#valid_58| 0 0))) (and (= 0 |v_ULTIMATE.start_main_~#t1786~0.offset_17|) (= 0 v_~main$tmp_guard0~0_35) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1786~0.base_24|)) (= v_~__unbuffered_cnt~0_131 0) (= 0 v_~y~0_65) (= 0 v_~main$tmp_guard1~0_41) (= 0 v_~__unbuffered_p1_EAX~0_48) (= 0 |v_#NULL.base_6|) (= (store |v_#memory_int_18| |v_ULTIMATE.start_main_~#t1786~0.base_24| (store (select |v_#memory_int_18| |v_ULTIMATE.start_main_~#t1786~0.base_24|) |v_ULTIMATE.start_main_~#t1786~0.offset_17| 0)) |v_#memory_int_17|) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t1786~0.base_24|) (= 0 v_~__unbuffered_p0_EAX~0_44) (= 0 |v_#NULL.offset_6|) (= (store |v_#length_20| |v_ULTIMATE.start_main_~#t1786~0.base_24| 4) |v_#length_19|) (= |v_#valid_56| (store .cse0 |v_ULTIMATE.start_main_~#t1786~0.base_24| 1)) (= 0 v_~__unbuffered_p2_EAX~0_44) (< 0 |v_#StackHeapBarrier_15|) (= 0 v_~x~0_20))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_58|, #memory_int=|v_#memory_int_18|, #length=|v_#length_20|} OutVars{ULTIMATE.start_main_~#t1787~0.base=|v_ULTIMATE.start_main_~#t1787~0.base_22|, ULTIMATE.start_main_~#t1787~0.offset=|v_ULTIMATE.start_main_~#t1787~0.offset_16|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_25|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_6|, ULTIMATE.start_main_~#t1786~0.base=|v_ULTIMATE.start_main_~#t1786~0.base_24|, #NULL.offset=|v_#NULL.offset_6|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_41, ULTIMATE.start_main_~#t1788~0.offset=|v_ULTIMATE.start_main_~#t1788~0.offset_14|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_35, #NULL.base=|v_#NULL.base_6|, ULTIMATE.start_main_~#t1786~0.offset=|v_ULTIMATE.start_main_~#t1786~0.offset_17|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_44, ULTIMATE.start_main_~#t1788~0.base=|v_ULTIMATE.start_main_~#t1788~0.base_19|, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_48, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_16|, #valid=|v_#valid_56|, #memory_int=|v_#memory_int_17|, #length=|v_#length_19|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_44, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_131, ~y~0=v_~y~0_65, ~x~0=v_~x~0_20} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1787~0.base, ULTIMATE.start_main_~#t1787~0.offset, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~#t1786~0.base, #NULL.offset, ~main$tmp_guard1~0, ULTIMATE.start_main_~#t1788~0.offset, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t1786~0.offset, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t1788~0.base, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~y~0, ~x~0] {1838#(= 0 ~y~0)} is VALID [2020-07-28 21:26:16,285 INFO L280 TraceCheckUtils]: 1: Hoare triple {1838#(= 0 ~y~0)} [165] L768-->P0ENTRY: Formula: (and (= 0 v_P0Thread1of1ForFork0_thidvar0_2) (= 0 |v_P0Thread1of1ForFork0_#in~arg.base_3|) (= 0 |v_P0Thread1of1ForFork0_#in~arg.offset_3|)) InVars {} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_3|, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_3|, P0Thread1of1ForFork0_thidvar0=v_P0Thread1of1ForFork0_thidvar0_2, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_3|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_3|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_3, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_3} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#in~arg.offset, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_thidvar0, P0Thread1of1ForFork0_#in~arg.base, P0Thread1of1ForFork0_#res.base, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {1838#(= 0 ~y~0)} is VALID [2020-07-28 21:26:16,286 INFO L280 TraceCheckUtils]: 2: Hoare triple {1838#(= 0 ~y~0)} [202] L768-1-->L770: Formula: (and (= 0 (select |v_#valid_34| |v_ULTIMATE.start_main_~#t1787~0.base_9|)) (not (= 0 |v_ULTIMATE.start_main_~#t1787~0.base_9|)) (= 0 |v_ULTIMATE.start_main_~#t1787~0.offset_8|) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t1787~0.base_9| 4)) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t1787~0.base_9|) (= (store |v_#valid_34| |v_ULTIMATE.start_main_~#t1787~0.base_9| 1) |v_#valid_33|) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1787~0.base_9| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1787~0.base_9|) |v_ULTIMATE.start_main_~#t1787~0.offset_8| 1)) |v_#memory_int_13|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_14|, #length=|v_#length_16|} OutVars{ULTIMATE.start_main_~#t1787~0.base=|v_ULTIMATE.start_main_~#t1787~0.base_9|, #StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_~#t1787~0.offset=|v_ULTIMATE.start_main_~#t1787~0.offset_8|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_4|, #valid=|v_#valid_33|, #memory_int=|v_#memory_int_13|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1787~0.base, ULTIMATE.start_main_~#t1787~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {1838#(= 0 ~y~0)} is VALID [2020-07-28 21:26:16,286 INFO L280 TraceCheckUtils]: 3: Hoare triple {1838#(= 0 ~y~0)} [167] L770-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork1_thidvar0_2) (= 0 |v_P1Thread1of1ForFork1_#in~arg.base_3|) (= 0 |v_P1Thread1of1ForFork1_#in~arg.offset_3|)) InVars {} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_3, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_3|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_3, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_3|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_3|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_3|, P1Thread1of1ForFork1_thidvar0=v_P1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_#res.offset, P1Thread1of1ForFork1_~arg.base, P1Thread1of1ForFork1_#in~arg.base, P1Thread1of1ForFork1_#in~arg.offset, P1Thread1of1ForFork1_#res.base, P1Thread1of1ForFork1_thidvar0] {1838#(= 0 ~y~0)} is VALID [2020-07-28 21:26:16,289 INFO L280 TraceCheckUtils]: 4: Hoare triple {1838#(= 0 ~y~0)} [196] L770-1-->L772: Formula: (and (= |v_#valid_27| (store |v_#valid_28| |v_ULTIMATE.start_main_~#t1788~0.base_8| 1)) (not (= 0 |v_ULTIMATE.start_main_~#t1788~0.base_8|)) (= 0 |v_ULTIMATE.start_main_~#t1788~0.offset_8|) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t1788~0.base_8|) (= |v_#length_13| (store |v_#length_14| |v_ULTIMATE.start_main_~#t1788~0.base_8| 4)) (= 0 (select |v_#valid_28| |v_ULTIMATE.start_main_~#t1788~0.base_8|)) (= (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t1788~0.base_8| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t1788~0.base_8|) |v_ULTIMATE.start_main_~#t1788~0.offset_8| 2)) |v_#memory_int_11|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_28|, #memory_int=|v_#memory_int_12|, #length=|v_#length_14|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_9|, ULTIMATE.start_main_~#t1788~0.base=|v_ULTIMATE.start_main_~#t1788~0.base_8|, #valid=|v_#valid_27|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_3|, #memory_int=|v_#memory_int_11|, #length=|v_#length_13|, ULTIMATE.start_main_~#t1788~0.offset=|v_ULTIMATE.start_main_~#t1788~0.offset_8|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1788~0.base, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t1788~0.offset] {1838#(= 0 ~y~0)} is VALID [2020-07-28 21:26:16,291 INFO L280 TraceCheckUtils]: 5: Hoare triple {1838#(= 0 ~y~0)} [169] L772-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#in~arg.base_3|) (= 0 |v_P2Thread1of1ForFork2_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_3|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_3, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_3, P2Thread1of1ForFork2_thidvar0=v_P2Thread1of1ForFork2_thidvar0_2, P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_3|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_3|, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_3|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#in~arg.offset, P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, P2Thread1of1ForFork2_thidvar0, P2Thread1of1ForFork2_#res.base, P2Thread1of1ForFork2_#in~arg.base, P2Thread1of1ForFork2_#res.offset] {1838#(= 0 ~y~0)} is VALID [2020-07-28 21:26:16,294 INFO L280 TraceCheckUtils]: 6: Hoare triple {1838#(= 0 ~y~0)} [194] P2ENTRY-->L745: Formula: (and (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4) (= v_~y~0_28 v_~__unbuffered_p2_EAX~0_20)) InVars {P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_28} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_4, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_4, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_20, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_28} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {1839#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:26:16,294 INFO L280 TraceCheckUtils]: 7: Hoare triple {1839#(= 0 ~__unbuffered_p2_EAX~0)} [207] L772-1-->L2: Formula: (and (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond_8| (mod v_~main$tmp_guard0~0_22 256)) (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_91))) (or (and (= 1 v_~main$tmp_guard0~0_22) .cse0) (and (not .cse0) (= 0 v_~main$tmp_guard0~0_22))))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_91} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_8|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_10, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_13|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_91, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_22} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {1839#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:26:16,296 INFO L280 TraceCheckUtils]: 8: Hoare triple {1839#(= 0 ~__unbuffered_p2_EAX~0)} [225] L2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 2 v_~y~0_64) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_26)) (= 1 v_~__unbuffered_p1_EAX~0_47) (= 2 v_~__unbuffered_p0_EAX~0_43) (= 1 v_~__unbuffered_p2_EAX~0_43) (= v_ULTIMATE.start___VERIFIER_assert_~expression_17 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_11|) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_11| (mod v_~main$tmp_guard1~0_40 256)) (= 0 v_~main$tmp_guard1~0_40) (= v_ULTIMATE.start_assume_abort_if_not_~cond_26 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_24|)) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_24|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_43, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_47, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_43, ~y~0=v_~y~0_64} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_24|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_43, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_17, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_26, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_47, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_40, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_43, ~y~0=v_~y~0_64, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_11|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {1837#false} is VALID [2020-07-28 21:26:16,297 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 21:26:16,297 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684359243] [2020-07-28 21:26:16,297 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:26:16,297 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 21:26:16,297 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594744805] [2020-07-28 21:26:16,299 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-07-28 21:26:16,300 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:26:16,300 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 21:26:16,316 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 21:26:16,316 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 21:26:16,316 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:26:16,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 21:26:16,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 21:26:16,317 INFO L87 Difference]: Start difference. First operand 218 states and 600 transitions. Second operand 4 states. [2020-07-28 21:26:16,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:26:16,402 INFO L93 Difference]: Finished difference Result 242 states and 634 transitions. [2020-07-28 21:26:16,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-28 21:26:16,402 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-07-28 21:26:16,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:26:16,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:26:16,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 36 transitions. [2020-07-28 21:26:16,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:26:16,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 36 transitions. [2020-07-28 21:26:16,404 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 36 transitions. [2020-07-28 21:26:16,447 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 36 edges. 36 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:26:16,451 INFO L225 Difference]: With dead ends: 242 [2020-07-28 21:26:16,451 INFO L226 Difference]: Without dead ends: 146 [2020-07-28 21:26:16,452 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-28 21:26:16,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-07-28 21:26:16,457 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,458 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,458 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,458 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,458 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,458 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,459 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,459 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,459 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,459 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,459 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,460 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,460 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,460 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,460 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,460 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,460 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,461 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,461 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,461 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,461 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,461 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,462 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,462 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,462 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,462 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,462 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,463 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,463 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,463 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,463 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,463 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,464 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,464 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,464 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,464 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,464 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,465 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,465 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,465 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,465 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,465 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,466 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,466 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,466 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,466 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,466 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,467 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,467 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,467 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,467 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,467 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,468 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,468 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,468 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,468 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,468 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,469 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,469 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,469 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,469 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,469 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,470 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,470 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,470 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,470 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,470 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,470 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,471 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,471 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,471 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,471 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,471 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,472 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,472 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,472 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,472 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,472 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,473 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,473 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,473 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,473 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,473 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,473 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,474 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,474 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,474 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,474 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,474 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,475 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,475 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,475 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,475 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,475 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,476 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,476 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,476 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,476 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,477 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,477 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,477 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,477 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,477 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,478 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,478 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,478 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,478 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,478 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,479 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,479 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,479 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,479 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,479 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,480 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,480 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,480 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,480 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,480 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,480 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,481 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,481 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,481 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,481 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,481 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,482 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,482 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,482 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,482 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,482 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,483 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,483 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,483 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,483 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,484 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,484 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,484 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,484 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,484 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,485 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,485 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,485 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,485 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,486 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,486 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,486 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,486 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2020-07-28 21:26:16,487 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:26:16,487 INFO L82 GeneralOperation]: Start isEquivalent. First operand 146 states. Second operand 146 states. [2020-07-28 21:26:16,487 INFO L74 IsIncluded]: Start isIncluded. First operand 146 states. Second operand 146 states. [2020-07-28 21:26:16,487 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 146 states. [2020-07-28 21:26:16,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:26:16,495 INFO L93 Difference]: Finished difference Result 146 states and 362 transitions. [2020-07-28 21:26:16,495 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 362 transitions. [2020-07-28 21:26:16,496 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:26:16,496 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:26:16,496 INFO L74 IsIncluded]: Start isIncluded. First operand 146 states. Second operand 146 states. [2020-07-28 21:26:16,496 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 146 states. [2020-07-28 21:26:16,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:26:16,505 INFO L93 Difference]: Finished difference Result 146 states and 362 transitions. [2020-07-28 21:26:16,505 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 362 transitions. [2020-07-28 21:26:16,505 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:26:16,505 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:26:16,506 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:26:16,506 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:26:16,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-07-28 21:26:16,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 362 transitions. [2020-07-28 21:26:16,514 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 362 transitions. Word has length 9 [2020-07-28 21:26:16,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:26:16,514 INFO L479 AbstractCegarLoop]: Abstraction has 146 states and 362 transitions. [2020-07-28 21:26:16,514 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 21:26:16,514 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 362 transitions. [2020-07-28 21:26:16,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-07-28 21:26:16,515 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:26:16,515 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:26:16,515 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 21:26:16,515 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:26:16,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:26:16,516 INFO L82 PathProgramCache]: Analyzing trace with hash 1379708097, now seen corresponding path program 1 times [2020-07-28 21:26:16,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:26:16,516 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434536052] [2020-07-28 21:26:16,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:26:16,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:26:16,598 INFO L280 TraceCheckUtils]: 0: Hoare triple {2670#true} [226] ULTIMATE.startENTRY-->L768: Formula: (let ((.cse0 (store |v_#valid_58| 0 0))) (and (= 0 |v_ULTIMATE.start_main_~#t1786~0.offset_17|) (= 0 v_~main$tmp_guard0~0_35) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1786~0.base_24|)) (= v_~__unbuffered_cnt~0_131 0) (= 0 v_~y~0_65) (= 0 v_~main$tmp_guard1~0_41) (= 0 v_~__unbuffered_p1_EAX~0_48) (= 0 |v_#NULL.base_6|) (= (store |v_#memory_int_18| |v_ULTIMATE.start_main_~#t1786~0.base_24| (store (select |v_#memory_int_18| |v_ULTIMATE.start_main_~#t1786~0.base_24|) |v_ULTIMATE.start_main_~#t1786~0.offset_17| 0)) |v_#memory_int_17|) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t1786~0.base_24|) (= 0 v_~__unbuffered_p0_EAX~0_44) (= 0 |v_#NULL.offset_6|) (= (store |v_#length_20| |v_ULTIMATE.start_main_~#t1786~0.base_24| 4) |v_#length_19|) (= |v_#valid_56| (store .cse0 |v_ULTIMATE.start_main_~#t1786~0.base_24| 1)) (= 0 v_~__unbuffered_p2_EAX~0_44) (< 0 |v_#StackHeapBarrier_15|) (= 0 v_~x~0_20))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_58|, #memory_int=|v_#memory_int_18|, #length=|v_#length_20|} OutVars{ULTIMATE.start_main_~#t1787~0.base=|v_ULTIMATE.start_main_~#t1787~0.base_22|, ULTIMATE.start_main_~#t1787~0.offset=|v_ULTIMATE.start_main_~#t1787~0.offset_16|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_25|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_6|, ULTIMATE.start_main_~#t1786~0.base=|v_ULTIMATE.start_main_~#t1786~0.base_24|, #NULL.offset=|v_#NULL.offset_6|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_41, ULTIMATE.start_main_~#t1788~0.offset=|v_ULTIMATE.start_main_~#t1788~0.offset_14|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_35, #NULL.base=|v_#NULL.base_6|, ULTIMATE.start_main_~#t1786~0.offset=|v_ULTIMATE.start_main_~#t1786~0.offset_17|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_44, ULTIMATE.start_main_~#t1788~0.base=|v_ULTIMATE.start_main_~#t1788~0.base_19|, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_48, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_16|, #valid=|v_#valid_56|, #memory_int=|v_#memory_int_17|, #length=|v_#length_19|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_44, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_131, ~y~0=v_~y~0_65, ~x~0=v_~x~0_20} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1787~0.base, ULTIMATE.start_main_~#t1787~0.offset, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~#t1786~0.base, #NULL.offset, ~main$tmp_guard1~0, ULTIMATE.start_main_~#t1788~0.offset, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t1786~0.offset, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t1788~0.base, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~y~0, ~x~0] {2672#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:26:16,599 INFO L280 TraceCheckUtils]: 1: Hoare triple {2672#(= 0 ~__unbuffered_p0_EAX~0)} [165] L768-->P0ENTRY: Formula: (and (= 0 v_P0Thread1of1ForFork0_thidvar0_2) (= 0 |v_P0Thread1of1ForFork0_#in~arg.base_3|) (= 0 |v_P0Thread1of1ForFork0_#in~arg.offset_3|)) InVars {} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_3|, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_3|, P0Thread1of1ForFork0_thidvar0=v_P0Thread1of1ForFork0_thidvar0_2, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_3|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_3|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_3, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_3} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#in~arg.offset, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_thidvar0, P0Thread1of1ForFork0_#in~arg.base, P0Thread1of1ForFork0_#res.base, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {2672#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:26:16,600 INFO L280 TraceCheckUtils]: 2: Hoare triple {2672#(= 0 ~__unbuffered_p0_EAX~0)} [202] L768-1-->L770: Formula: (and (= 0 (select |v_#valid_34| |v_ULTIMATE.start_main_~#t1787~0.base_9|)) (not (= 0 |v_ULTIMATE.start_main_~#t1787~0.base_9|)) (= 0 |v_ULTIMATE.start_main_~#t1787~0.offset_8|) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t1787~0.base_9| 4)) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t1787~0.base_9|) (= (store |v_#valid_34| |v_ULTIMATE.start_main_~#t1787~0.base_9| 1) |v_#valid_33|) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1787~0.base_9| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1787~0.base_9|) |v_ULTIMATE.start_main_~#t1787~0.offset_8| 1)) |v_#memory_int_13|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_14|, #length=|v_#length_16|} OutVars{ULTIMATE.start_main_~#t1787~0.base=|v_ULTIMATE.start_main_~#t1787~0.base_9|, #StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_~#t1787~0.offset=|v_ULTIMATE.start_main_~#t1787~0.offset_8|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_4|, #valid=|v_#valid_33|, #memory_int=|v_#memory_int_13|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1787~0.base, ULTIMATE.start_main_~#t1787~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {2672#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:26:16,601 INFO L280 TraceCheckUtils]: 3: Hoare triple {2672#(= 0 ~__unbuffered_p0_EAX~0)} [167] L770-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork1_thidvar0_2) (= 0 |v_P1Thread1of1ForFork1_#in~arg.base_3|) (= 0 |v_P1Thread1of1ForFork1_#in~arg.offset_3|)) InVars {} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_3, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_3|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_3, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_3|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_3|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_3|, P1Thread1of1ForFork1_thidvar0=v_P1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_#res.offset, P1Thread1of1ForFork1_~arg.base, P1Thread1of1ForFork1_#in~arg.base, P1Thread1of1ForFork1_#in~arg.offset, P1Thread1of1ForFork1_#res.base, P1Thread1of1ForFork1_thidvar0] {2672#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:26:16,602 INFO L280 TraceCheckUtils]: 4: Hoare triple {2672#(= 0 ~__unbuffered_p0_EAX~0)} [195] P1ENTRY-->L730: Formula: (and (= v_~__unbuffered_p1_EAX~0_23 v_~x~0_9) (= |v_P1Thread1of1ForFork1_#in~arg.offset_4| v_P1Thread1of1ForFork1_~arg.offset_4) (= v_P1Thread1of1ForFork1_~arg.base_4 |v_P1Thread1of1ForFork1_#in~arg.base_4|)) InVars {P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|, ~x~0=v_~x~0_9} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_4, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_23, 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_9} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, ~__unbuffered_p1_EAX~0, P1Thread1of1ForFork1_~arg.base] {2672#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:26:16,603 INFO L280 TraceCheckUtils]: 5: Hoare triple {2672#(= 0 ~__unbuffered_p0_EAX~0)} [196] L770-1-->L772: Formula: (and (= |v_#valid_27| (store |v_#valid_28| |v_ULTIMATE.start_main_~#t1788~0.base_8| 1)) (not (= 0 |v_ULTIMATE.start_main_~#t1788~0.base_8|)) (= 0 |v_ULTIMATE.start_main_~#t1788~0.offset_8|) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t1788~0.base_8|) (= |v_#length_13| (store |v_#length_14| |v_ULTIMATE.start_main_~#t1788~0.base_8| 4)) (= 0 (select |v_#valid_28| |v_ULTIMATE.start_main_~#t1788~0.base_8|)) (= (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t1788~0.base_8| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t1788~0.base_8|) |v_ULTIMATE.start_main_~#t1788~0.offset_8| 2)) |v_#memory_int_11|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_28|, #memory_int=|v_#memory_int_12|, #length=|v_#length_14|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_9|, ULTIMATE.start_main_~#t1788~0.base=|v_ULTIMATE.start_main_~#t1788~0.base_8|, #valid=|v_#valid_27|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_3|, #memory_int=|v_#memory_int_11|, #length=|v_#length_13|, ULTIMATE.start_main_~#t1788~0.offset=|v_ULTIMATE.start_main_~#t1788~0.offset_8|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1788~0.base, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t1788~0.offset] {2672#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:26:16,603 INFO L280 TraceCheckUtils]: 6: Hoare triple {2672#(= 0 ~__unbuffered_p0_EAX~0)} [169] L772-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#in~arg.base_3|) (= 0 |v_P2Thread1of1ForFork2_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_3|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_3, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_3, P2Thread1of1ForFork2_thidvar0=v_P2Thread1of1ForFork2_thidvar0_2, P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_3|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_3|, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_3|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#in~arg.offset, P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, P2Thread1of1ForFork2_thidvar0, P2Thread1of1ForFork2_#res.base, P2Thread1of1ForFork2_#in~arg.base, P2Thread1of1ForFork2_#res.offset] {2672#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:26:16,604 INFO L280 TraceCheckUtils]: 7: Hoare triple {2672#(= 0 ~__unbuffered_p0_EAX~0)} [154] L730-->L733: Formula: (= v_~y~0_2 1) InVars {} OutVars{~y~0=v_~y~0_2} AuxVars[] AssignedVars[~y~0] {2672#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:26:16,605 INFO L280 TraceCheckUtils]: 8: Hoare triple {2672#(= 0 ~__unbuffered_p0_EAX~0)} [194] P2ENTRY-->L745: Formula: (and (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4) (= v_~y~0_28 v_~__unbuffered_p2_EAX~0_20)) InVars {P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_28} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_4, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_4, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_20, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_28} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {2672#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:26:16,605 INFO L280 TraceCheckUtils]: 9: Hoare triple {2672#(= 0 ~__unbuffered_p0_EAX~0)} [207] L772-1-->L2: Formula: (and (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond_8| (mod v_~main$tmp_guard0~0_22 256)) (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_91))) (or (and (= 1 v_~main$tmp_guard0~0_22) .cse0) (and (not .cse0) (= 0 v_~main$tmp_guard0~0_22))))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_91} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_8|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_10, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_13|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_91, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_22} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {2672#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:26:16,608 INFO L280 TraceCheckUtils]: 10: Hoare triple {2672#(= 0 ~__unbuffered_p0_EAX~0)} [225] L2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 2 v_~y~0_64) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_26)) (= 1 v_~__unbuffered_p1_EAX~0_47) (= 2 v_~__unbuffered_p0_EAX~0_43) (= 1 v_~__unbuffered_p2_EAX~0_43) (= v_ULTIMATE.start___VERIFIER_assert_~expression_17 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_11|) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_11| (mod v_~main$tmp_guard1~0_40 256)) (= 0 v_~main$tmp_guard1~0_40) (= v_ULTIMATE.start_assume_abort_if_not_~cond_26 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_24|)) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_24|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_43, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_47, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_43, ~y~0=v_~y~0_64} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_24|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_43, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_17, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_26, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_47, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_40, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_43, ~y~0=v_~y~0_64, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_11|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {2671#false} is VALID [2020-07-28 21:26:16,609 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 21:26:16,609 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434536052] [2020-07-28 21:26:16,609 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:26:16,610 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-07-28 21:26:16,610 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256804130] [2020-07-28 21:26:16,611 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-07-28 21:26:16,612 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:26:16,612 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 21:26:16,624 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:26:16,625 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 21:26:16,625 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:26:16,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 21:26:16,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 21:26:16,626 INFO L87 Difference]: Start difference. First operand 146 states and 362 transitions. Second operand 3 states. [2020-07-28 21:26:16,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:26:16,662 INFO L93 Difference]: Finished difference Result 140 states and 343 transitions. [2020-07-28 21:26:16,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 21:26:16,663 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-07-28 21:26:16,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:26:16,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 21:26:16,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 29 transitions. [2020-07-28 21:26:16,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 21:26:16,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 29 transitions. [2020-07-28 21:26:16,665 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 29 transitions. [2020-07-28 21:26:16,698 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 29 edges. 29 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:26:16,700 INFO L225 Difference]: With dead ends: 140 [2020-07-28 21:26:16,701 INFO L226 Difference]: Without dead ends: 140 [2020-07-28 21:26:16,701 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 21:26:16,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2020-07-28 21:26:16,705 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,706 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,706 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,706 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,706 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,706 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,707 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,707 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,707 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,707 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,707 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,707 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,708 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,708 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,708 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,708 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,708 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,709 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,709 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,709 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,709 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,709 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,710 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,710 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,710 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,710 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,710 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,711 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,711 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,711 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,711 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,711 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,712 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,712 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,712 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,712 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,712 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,712 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,713 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,713 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,713 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,713 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,713 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,714 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,714 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,714 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,714 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,714 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,715 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,715 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,715 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,715 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,715 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,716 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,716 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,716 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,716 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,716 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,717 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,717 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,717 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,717 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,717 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,718 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,718 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,718 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,718 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,718 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,719 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,719 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,719 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,719 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,719 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,720 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,720 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,720 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,720 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,720 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,721 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,721 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,721 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,721 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,721 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,722 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,722 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,722 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,722 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,722 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,722 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,723 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,723 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,723 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,723 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,723 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,724 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,724 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,724 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,724 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,724 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,725 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,725 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,725 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,725 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,725 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,726 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,726 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,726 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,726 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,726 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,726 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,727 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,727 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,727 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,727 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,727 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,728 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,728 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,728 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,728 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,728 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,729 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,729 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,729 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,729 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,729 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,730 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,730 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,730 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,730 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,730 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,731 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,731 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,731 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,731 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,731 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,732 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,732 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,732 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,732 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,733 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2020-07-28 21:26:16,733 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:26:16,733 INFO L82 GeneralOperation]: Start isEquivalent. First operand 140 states. Second operand 140 states. [2020-07-28 21:26:16,733 INFO L74 IsIncluded]: Start isIncluded. First operand 140 states. Second operand 140 states. [2020-07-28 21:26:16,733 INFO L87 Difference]: Start difference. First operand 140 states. Second operand 140 states. [2020-07-28 21:26:16,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:26:16,741 INFO L93 Difference]: Finished difference Result 140 states and 343 transitions. [2020-07-28 21:26:16,741 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 343 transitions. [2020-07-28 21:26:16,741 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:26:16,741 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:26:16,741 INFO L74 IsIncluded]: Start isIncluded. First operand 140 states. Second operand 140 states. [2020-07-28 21:26:16,742 INFO L87 Difference]: Start difference. First operand 140 states. Second operand 140 states. [2020-07-28 21:26:16,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:26:16,749 INFO L93 Difference]: Finished difference Result 140 states and 343 transitions. [2020-07-28 21:26:16,749 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 343 transitions. [2020-07-28 21:26:16,749 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:26:16,749 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:26:16,749 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:26:16,750 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:26:16,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-07-28 21:26:16,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 343 transitions. [2020-07-28 21:26:16,756 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 343 transitions. Word has length 11 [2020-07-28 21:26:16,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:26:16,757 INFO L479 AbstractCegarLoop]: Abstraction has 140 states and 343 transitions. [2020-07-28 21:26:16,757 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 21:26:16,757 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 343 transitions. [2020-07-28 21:26:16,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-28 21:26:16,757 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:26:16,757 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:26:16,758 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 21:26:16,758 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:26:16,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:26:16,758 INFO L82 PathProgramCache]: Analyzing trace with hash -53165768, now seen corresponding path program 1 times [2020-07-28 21:26:16,758 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:26:16,759 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786135582] [2020-07-28 21:26:16,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:26:16,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:26:16,820 INFO L280 TraceCheckUtils]: 0: Hoare triple {3375#true} [226] ULTIMATE.startENTRY-->L768: Formula: (let ((.cse0 (store |v_#valid_58| 0 0))) (and (= 0 |v_ULTIMATE.start_main_~#t1786~0.offset_17|) (= 0 v_~main$tmp_guard0~0_35) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1786~0.base_24|)) (= v_~__unbuffered_cnt~0_131 0) (= 0 v_~y~0_65) (= 0 v_~main$tmp_guard1~0_41) (= 0 v_~__unbuffered_p1_EAX~0_48) (= 0 |v_#NULL.base_6|) (= (store |v_#memory_int_18| |v_ULTIMATE.start_main_~#t1786~0.base_24| (store (select |v_#memory_int_18| |v_ULTIMATE.start_main_~#t1786~0.base_24|) |v_ULTIMATE.start_main_~#t1786~0.offset_17| 0)) |v_#memory_int_17|) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t1786~0.base_24|) (= 0 v_~__unbuffered_p0_EAX~0_44) (= 0 |v_#NULL.offset_6|) (= (store |v_#length_20| |v_ULTIMATE.start_main_~#t1786~0.base_24| 4) |v_#length_19|) (= |v_#valid_56| (store .cse0 |v_ULTIMATE.start_main_~#t1786~0.base_24| 1)) (= 0 v_~__unbuffered_p2_EAX~0_44) (< 0 |v_#StackHeapBarrier_15|) (= 0 v_~x~0_20))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_58|, #memory_int=|v_#memory_int_18|, #length=|v_#length_20|} OutVars{ULTIMATE.start_main_~#t1787~0.base=|v_ULTIMATE.start_main_~#t1787~0.base_22|, ULTIMATE.start_main_~#t1787~0.offset=|v_ULTIMATE.start_main_~#t1787~0.offset_16|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_25|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_6|, ULTIMATE.start_main_~#t1786~0.base=|v_ULTIMATE.start_main_~#t1786~0.base_24|, #NULL.offset=|v_#NULL.offset_6|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_41, ULTIMATE.start_main_~#t1788~0.offset=|v_ULTIMATE.start_main_~#t1788~0.offset_14|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_35, #NULL.base=|v_#NULL.base_6|, ULTIMATE.start_main_~#t1786~0.offset=|v_ULTIMATE.start_main_~#t1786~0.offset_17|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_44, ULTIMATE.start_main_~#t1788~0.base=|v_ULTIMATE.start_main_~#t1788~0.base_19|, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_48, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_16|, #valid=|v_#valid_56|, #memory_int=|v_#memory_int_17|, #length=|v_#length_19|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_44, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_131, ~y~0=v_~y~0_65, ~x~0=v_~x~0_20} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1787~0.base, ULTIMATE.start_main_~#t1787~0.offset, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~#t1786~0.base, #NULL.offset, ~main$tmp_guard1~0, ULTIMATE.start_main_~#t1788~0.offset, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t1786~0.offset, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t1788~0.base, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~y~0, ~x~0] {3377#(= 0 ~y~0)} is VALID [2020-07-28 21:26:16,821 INFO L280 TraceCheckUtils]: 1: Hoare triple {3377#(= 0 ~y~0)} [165] L768-->P0ENTRY: Formula: (and (= 0 v_P0Thread1of1ForFork0_thidvar0_2) (= 0 |v_P0Thread1of1ForFork0_#in~arg.base_3|) (= 0 |v_P0Thread1of1ForFork0_#in~arg.offset_3|)) InVars {} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_3|, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_3|, P0Thread1of1ForFork0_thidvar0=v_P0Thread1of1ForFork0_thidvar0_2, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_3|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_3|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_3, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_3} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#in~arg.offset, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_thidvar0, P0Thread1of1ForFork0_#in~arg.base, P0Thread1of1ForFork0_#res.base, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {3377#(= 0 ~y~0)} is VALID [2020-07-28 21:26:16,822 INFO L280 TraceCheckUtils]: 2: Hoare triple {3377#(= 0 ~y~0)} [177] P0ENTRY-->L715: Formula: (and (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= v_~y~0_13 v_~__unbuffered_p0_EAX~0_10) (= v_P0Thread1of1ForFork0_~arg.base_4 |v_P0Thread1of1ForFork0_#in~arg.base_4|)) InVars {P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~y~0=v_~y~0_13} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_10, P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~y~0=v_~y~0_13, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_4, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_4} AuxVars[] AssignedVars[~__unbuffered_p0_EAX~0, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {3378#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:26:16,823 INFO L280 TraceCheckUtils]: 3: Hoare triple {3378#(= 0 ~__unbuffered_p0_EAX~0)} [202] L768-1-->L770: Formula: (and (= 0 (select |v_#valid_34| |v_ULTIMATE.start_main_~#t1787~0.base_9|)) (not (= 0 |v_ULTIMATE.start_main_~#t1787~0.base_9|)) (= 0 |v_ULTIMATE.start_main_~#t1787~0.offset_8|) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t1787~0.base_9| 4)) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t1787~0.base_9|) (= (store |v_#valid_34| |v_ULTIMATE.start_main_~#t1787~0.base_9| 1) |v_#valid_33|) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1787~0.base_9| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1787~0.base_9|) |v_ULTIMATE.start_main_~#t1787~0.offset_8| 1)) |v_#memory_int_13|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_14|, #length=|v_#length_16|} OutVars{ULTIMATE.start_main_~#t1787~0.base=|v_ULTIMATE.start_main_~#t1787~0.base_9|, #StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_~#t1787~0.offset=|v_ULTIMATE.start_main_~#t1787~0.offset_8|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_4|, #valid=|v_#valid_33|, #memory_int=|v_#memory_int_13|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1787~0.base, ULTIMATE.start_main_~#t1787~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {3378#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:26:16,824 INFO L280 TraceCheckUtils]: 4: Hoare triple {3378#(= 0 ~__unbuffered_p0_EAX~0)} [167] L770-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork1_thidvar0_2) (= 0 |v_P1Thread1of1ForFork1_#in~arg.base_3|) (= 0 |v_P1Thread1of1ForFork1_#in~arg.offset_3|)) InVars {} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_3, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_3|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_3, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_3|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_3|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_3|, P1Thread1of1ForFork1_thidvar0=v_P1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_#res.offset, P1Thread1of1ForFork1_~arg.base, P1Thread1of1ForFork1_#in~arg.base, P1Thread1of1ForFork1_#in~arg.offset, P1Thread1of1ForFork1_#res.base, P1Thread1of1ForFork1_thidvar0] {3378#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:26:16,825 INFO L280 TraceCheckUtils]: 5: Hoare triple {3378#(= 0 ~__unbuffered_p0_EAX~0)} [195] P1ENTRY-->L730: Formula: (and (= v_~__unbuffered_p1_EAX~0_23 v_~x~0_9) (= |v_P1Thread1of1ForFork1_#in~arg.offset_4| v_P1Thread1of1ForFork1_~arg.offset_4) (= v_P1Thread1of1ForFork1_~arg.base_4 |v_P1Thread1of1ForFork1_#in~arg.base_4|)) InVars {P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|, ~x~0=v_~x~0_9} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_4, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_23, 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_9} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, ~__unbuffered_p1_EAX~0, P1Thread1of1ForFork1_~arg.base] {3378#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:26:16,825 INFO L280 TraceCheckUtils]: 6: Hoare triple {3378#(= 0 ~__unbuffered_p0_EAX~0)} [196] L770-1-->L772: Formula: (and (= |v_#valid_27| (store |v_#valid_28| |v_ULTIMATE.start_main_~#t1788~0.base_8| 1)) (not (= 0 |v_ULTIMATE.start_main_~#t1788~0.base_8|)) (= 0 |v_ULTIMATE.start_main_~#t1788~0.offset_8|) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t1788~0.base_8|) (= |v_#length_13| (store |v_#length_14| |v_ULTIMATE.start_main_~#t1788~0.base_8| 4)) (= 0 (select |v_#valid_28| |v_ULTIMATE.start_main_~#t1788~0.base_8|)) (= (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t1788~0.base_8| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t1788~0.base_8|) |v_ULTIMATE.start_main_~#t1788~0.offset_8| 2)) |v_#memory_int_11|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_28|, #memory_int=|v_#memory_int_12|, #length=|v_#length_14|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_9|, ULTIMATE.start_main_~#t1788~0.base=|v_ULTIMATE.start_main_~#t1788~0.base_8|, #valid=|v_#valid_27|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_3|, #memory_int=|v_#memory_int_11|, #length=|v_#length_13|, ULTIMATE.start_main_~#t1788~0.offset=|v_ULTIMATE.start_main_~#t1788~0.offset_8|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1788~0.base, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t1788~0.offset] {3378#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:26:16,826 INFO L280 TraceCheckUtils]: 7: Hoare triple {3378#(= 0 ~__unbuffered_p0_EAX~0)} [169] L772-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#in~arg.base_3|) (= 0 |v_P2Thread1of1ForFork2_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_3|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_3, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_3, P2Thread1of1ForFork2_thidvar0=v_P2Thread1of1ForFork2_thidvar0_2, P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_3|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_3|, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_3|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#in~arg.offset, P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, P2Thread1of1ForFork2_thidvar0, P2Thread1of1ForFork2_#res.base, P2Thread1of1ForFork2_#in~arg.base, P2Thread1of1ForFork2_#res.offset] {3378#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:26:16,827 INFO L280 TraceCheckUtils]: 8: Hoare triple {3378#(= 0 ~__unbuffered_p0_EAX~0)} [154] L730-->L733: Formula: (= v_~y~0_2 1) InVars {} OutVars{~y~0=v_~y~0_2} AuxVars[] AssignedVars[~y~0] {3378#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:26:16,827 INFO L280 TraceCheckUtils]: 9: Hoare triple {3378#(= 0 ~__unbuffered_p0_EAX~0)} [194] P2ENTRY-->L745: Formula: (and (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4) (= v_~y~0_28 v_~__unbuffered_p2_EAX~0_20)) InVars {P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_28} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_4, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_4, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_20, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_28} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {3378#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:26:16,828 INFO L280 TraceCheckUtils]: 10: Hoare triple {3378#(= 0 ~__unbuffered_p0_EAX~0)} [207] L772-1-->L2: Formula: (and (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond_8| (mod v_~main$tmp_guard0~0_22 256)) (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_91))) (or (and (= 1 v_~main$tmp_guard0~0_22) .cse0) (and (not .cse0) (= 0 v_~main$tmp_guard0~0_22))))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_91} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_8|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_10, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_13|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_91, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_22} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {3378#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:26:16,830 INFO L280 TraceCheckUtils]: 11: Hoare triple {3378#(= 0 ~__unbuffered_p0_EAX~0)} [225] L2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 2 v_~y~0_64) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_26)) (= 1 v_~__unbuffered_p1_EAX~0_47) (= 2 v_~__unbuffered_p0_EAX~0_43) (= 1 v_~__unbuffered_p2_EAX~0_43) (= v_ULTIMATE.start___VERIFIER_assert_~expression_17 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_11|) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_11| (mod v_~main$tmp_guard1~0_40 256)) (= 0 v_~main$tmp_guard1~0_40) (= v_ULTIMATE.start_assume_abort_if_not_~cond_26 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_24|)) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_24|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_43, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_47, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_43, ~y~0=v_~y~0_64} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_24|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_43, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_17, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_26, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_47, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_40, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_43, ~y~0=v_~y~0_64, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_11|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {3376#false} is VALID [2020-07-28 21:26:16,830 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 21:26:16,831 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786135582] [2020-07-28 21:26:16,831 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:26:16,831 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 21:26:16,831 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499007183] [2020-07-28 21:26:16,831 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-07-28 21:26:16,832 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:26:16,832 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 21:26:16,848 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 21:26:16,848 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 21:26:16,849 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:26:16,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 21:26:16,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 21:26:16,849 INFO L87 Difference]: Start difference. First operand 140 states and 343 transitions. Second operand 4 states. [2020-07-28 21:26:16,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:26:16,921 INFO L93 Difference]: Finished difference Result 200 states and 485 transitions. [2020-07-28 21:26:16,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-28 21:26:16,921 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-07-28 21:26:16,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:26:16,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:26:16,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 33 transitions. [2020-07-28 21:26:16,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:26:16,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 33 transitions. [2020-07-28 21:26:16,923 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 33 transitions. [2020-07-28 21:26:16,967 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:26:16,970 INFO L225 Difference]: With dead ends: 200 [2020-07-28 21:26:16,970 INFO L226 Difference]: Without dead ends: 110 [2020-07-28 21:26:16,971 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-28 21:26:16,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-07-28 21:26:16,975 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,975 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,975 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,976 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,976 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,976 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,976 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,977 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,977 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,977 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,977 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,978 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,978 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,978 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,978 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,978 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,979 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,979 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,979 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,979 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,979 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,980 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,980 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,980 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,980 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,981 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,981 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,981 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,981 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,982 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,982 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,982 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,982 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,983 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,983 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,983 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,983 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,984 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,984 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,984 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,984 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,984 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,985 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,985 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,985 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,985 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,986 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,986 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,986 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,986 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,987 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,987 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,987 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,987 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,987 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,988 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,988 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,988 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,988 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,989 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,989 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,989 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,989 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,990 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,990 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,990 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,990 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,991 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,991 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,991 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,991 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,991 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,992 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,992 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,992 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,992 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,993 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,993 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,993 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,993 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,994 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,994 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,994 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,994 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,995 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,995 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,995 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,995 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,996 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,996 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,996 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,996 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,997 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,997 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,997 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,997 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,997 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,998 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,998 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,998 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,999 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,999 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,999 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:16,999 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,000 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,000 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,000 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,000 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,001 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,001 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-07-28 21:26:17,001 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:26:17,002 INFO L82 GeneralOperation]: Start isEquivalent. First operand 110 states. Second operand 110 states. [2020-07-28 21:26:17,002 INFO L74 IsIncluded]: Start isIncluded. First operand 110 states. Second operand 110 states. [2020-07-28 21:26:17,002 INFO L87 Difference]: Start difference. First operand 110 states. Second operand 110 states. [2020-07-28 21:26:17,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:26:17,008 INFO L93 Difference]: Finished difference Result 110 states and 265 transitions. [2020-07-28 21:26:17,008 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 265 transitions. [2020-07-28 21:26:17,008 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:26:17,009 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:26:17,009 INFO L74 IsIncluded]: Start isIncluded. First operand 110 states. Second operand 110 states. [2020-07-28 21:26:17,009 INFO L87 Difference]: Start difference. First operand 110 states. Second operand 110 states. [2020-07-28 21:26:17,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:26:17,015 INFO L93 Difference]: Finished difference Result 110 states and 265 transitions. [2020-07-28 21:26:17,015 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 265 transitions. [2020-07-28 21:26:17,016 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:26:17,016 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:26:17,016 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:26:17,016 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:26:17,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-07-28 21:26:17,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 265 transitions. [2020-07-28 21:26:17,021 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 265 transitions. Word has length 12 [2020-07-28 21:26:17,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:26:17,022 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 265 transitions. [2020-07-28 21:26:17,022 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 21:26:17,022 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 265 transitions. [2020-07-28 21:26:17,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-28 21:26:17,023 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:26:17,023 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:26:17,023 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 21:26:17,023 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:26:17,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:26:17,024 INFO L82 PathProgramCache]: Analyzing trace with hash -179241226, now seen corresponding path program 2 times [2020-07-28 21:26:17,024 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:26:17,024 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9208491] [2020-07-28 21:26:17,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:26:17,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:26:17,073 INFO L280 TraceCheckUtils]: 0: Hoare triple {4023#true} [226] ULTIMATE.startENTRY-->L768: Formula: (let ((.cse0 (store |v_#valid_58| 0 0))) (and (= 0 |v_ULTIMATE.start_main_~#t1786~0.offset_17|) (= 0 v_~main$tmp_guard0~0_35) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1786~0.base_24|)) (= v_~__unbuffered_cnt~0_131 0) (= 0 v_~y~0_65) (= 0 v_~main$tmp_guard1~0_41) (= 0 v_~__unbuffered_p1_EAX~0_48) (= 0 |v_#NULL.base_6|) (= (store |v_#memory_int_18| |v_ULTIMATE.start_main_~#t1786~0.base_24| (store (select |v_#memory_int_18| |v_ULTIMATE.start_main_~#t1786~0.base_24|) |v_ULTIMATE.start_main_~#t1786~0.offset_17| 0)) |v_#memory_int_17|) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t1786~0.base_24|) (= 0 v_~__unbuffered_p0_EAX~0_44) (= 0 |v_#NULL.offset_6|) (= (store |v_#length_20| |v_ULTIMATE.start_main_~#t1786~0.base_24| 4) |v_#length_19|) (= |v_#valid_56| (store .cse0 |v_ULTIMATE.start_main_~#t1786~0.base_24| 1)) (= 0 v_~__unbuffered_p2_EAX~0_44) (< 0 |v_#StackHeapBarrier_15|) (= 0 v_~x~0_20))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_58|, #memory_int=|v_#memory_int_18|, #length=|v_#length_20|} OutVars{ULTIMATE.start_main_~#t1787~0.base=|v_ULTIMATE.start_main_~#t1787~0.base_22|, ULTIMATE.start_main_~#t1787~0.offset=|v_ULTIMATE.start_main_~#t1787~0.offset_16|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_25|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_6|, ULTIMATE.start_main_~#t1786~0.base=|v_ULTIMATE.start_main_~#t1786~0.base_24|, #NULL.offset=|v_#NULL.offset_6|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_41, ULTIMATE.start_main_~#t1788~0.offset=|v_ULTIMATE.start_main_~#t1788~0.offset_14|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_35, #NULL.base=|v_#NULL.base_6|, ULTIMATE.start_main_~#t1786~0.offset=|v_ULTIMATE.start_main_~#t1786~0.offset_17|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_44, ULTIMATE.start_main_~#t1788~0.base=|v_ULTIMATE.start_main_~#t1788~0.base_19|, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_48, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_16|, #valid=|v_#valid_56|, #memory_int=|v_#memory_int_17|, #length=|v_#length_19|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_44, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_131, ~y~0=v_~y~0_65, ~x~0=v_~x~0_20} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1787~0.base, ULTIMATE.start_main_~#t1787~0.offset, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~#t1786~0.base, #NULL.offset, ~main$tmp_guard1~0, ULTIMATE.start_main_~#t1788~0.offset, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t1786~0.offset, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t1788~0.base, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~y~0, ~x~0] {4023#true} is VALID [2020-07-28 21:26:17,074 INFO L280 TraceCheckUtils]: 1: Hoare triple {4023#true} [165] L768-->P0ENTRY: Formula: (and (= 0 v_P0Thread1of1ForFork0_thidvar0_2) (= 0 |v_P0Thread1of1ForFork0_#in~arg.base_3|) (= 0 |v_P0Thread1of1ForFork0_#in~arg.offset_3|)) InVars {} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_3|, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_3|, P0Thread1of1ForFork0_thidvar0=v_P0Thread1of1ForFork0_thidvar0_2, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_3|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_3|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_3, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_3} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#in~arg.offset, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_thidvar0, P0Thread1of1ForFork0_#in~arg.base, P0Thread1of1ForFork0_#res.base, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {4023#true} is VALID [2020-07-28 21:26:17,074 INFO L280 TraceCheckUtils]: 2: Hoare triple {4023#true} [202] L768-1-->L770: Formula: (and (= 0 (select |v_#valid_34| |v_ULTIMATE.start_main_~#t1787~0.base_9|)) (not (= 0 |v_ULTIMATE.start_main_~#t1787~0.base_9|)) (= 0 |v_ULTIMATE.start_main_~#t1787~0.offset_8|) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t1787~0.base_9| 4)) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t1787~0.base_9|) (= (store |v_#valid_34| |v_ULTIMATE.start_main_~#t1787~0.base_9| 1) |v_#valid_33|) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1787~0.base_9| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1787~0.base_9|) |v_ULTIMATE.start_main_~#t1787~0.offset_8| 1)) |v_#memory_int_13|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_14|, #length=|v_#length_16|} OutVars{ULTIMATE.start_main_~#t1787~0.base=|v_ULTIMATE.start_main_~#t1787~0.base_9|, #StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_~#t1787~0.offset=|v_ULTIMATE.start_main_~#t1787~0.offset_8|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_4|, #valid=|v_#valid_33|, #memory_int=|v_#memory_int_13|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1787~0.base, ULTIMATE.start_main_~#t1787~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {4023#true} is VALID [2020-07-28 21:26:17,075 INFO L280 TraceCheckUtils]: 3: Hoare triple {4023#true} [167] L770-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork1_thidvar0_2) (= 0 |v_P1Thread1of1ForFork1_#in~arg.base_3|) (= 0 |v_P1Thread1of1ForFork1_#in~arg.offset_3|)) InVars {} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_3, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_3|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_3, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_3|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_3|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_3|, P1Thread1of1ForFork1_thidvar0=v_P1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_#res.offset, P1Thread1of1ForFork1_~arg.base, P1Thread1of1ForFork1_#in~arg.base, P1Thread1of1ForFork1_#in~arg.offset, P1Thread1of1ForFork1_#res.base, P1Thread1of1ForFork1_thidvar0] {4023#true} is VALID [2020-07-28 21:26:17,075 INFO L280 TraceCheckUtils]: 4: Hoare triple {4023#true} [195] P1ENTRY-->L730: Formula: (and (= v_~__unbuffered_p1_EAX~0_23 v_~x~0_9) (= |v_P1Thread1of1ForFork1_#in~arg.offset_4| v_P1Thread1of1ForFork1_~arg.offset_4) (= v_P1Thread1of1ForFork1_~arg.base_4 |v_P1Thread1of1ForFork1_#in~arg.base_4|)) InVars {P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|, ~x~0=v_~x~0_9} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_4, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_23, 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_9} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, ~__unbuffered_p1_EAX~0, P1Thread1of1ForFork1_~arg.base] {4023#true} is VALID [2020-07-28 21:26:17,075 INFO L280 TraceCheckUtils]: 5: Hoare triple {4023#true} [196] L770-1-->L772: Formula: (and (= |v_#valid_27| (store |v_#valid_28| |v_ULTIMATE.start_main_~#t1788~0.base_8| 1)) (not (= 0 |v_ULTIMATE.start_main_~#t1788~0.base_8|)) (= 0 |v_ULTIMATE.start_main_~#t1788~0.offset_8|) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t1788~0.base_8|) (= |v_#length_13| (store |v_#length_14| |v_ULTIMATE.start_main_~#t1788~0.base_8| 4)) (= 0 (select |v_#valid_28| |v_ULTIMATE.start_main_~#t1788~0.base_8|)) (= (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t1788~0.base_8| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t1788~0.base_8|) |v_ULTIMATE.start_main_~#t1788~0.offset_8| 2)) |v_#memory_int_11|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_28|, #memory_int=|v_#memory_int_12|, #length=|v_#length_14|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_9|, ULTIMATE.start_main_~#t1788~0.base=|v_ULTIMATE.start_main_~#t1788~0.base_8|, #valid=|v_#valid_27|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_3|, #memory_int=|v_#memory_int_11|, #length=|v_#length_13|, ULTIMATE.start_main_~#t1788~0.offset=|v_ULTIMATE.start_main_~#t1788~0.offset_8|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1788~0.base, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t1788~0.offset] {4023#true} is VALID [2020-07-28 21:26:17,076 INFO L280 TraceCheckUtils]: 6: Hoare triple {4023#true} [169] L772-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#in~arg.base_3|) (= 0 |v_P2Thread1of1ForFork2_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_3|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_3, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_3, P2Thread1of1ForFork2_thidvar0=v_P2Thread1of1ForFork2_thidvar0_2, P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_3|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_3|, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_3|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#in~arg.offset, P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, P2Thread1of1ForFork2_thidvar0, P2Thread1of1ForFork2_#res.base, P2Thread1of1ForFork2_#in~arg.base, P2Thread1of1ForFork2_#res.offset] {4023#true} is VALID [2020-07-28 21:26:17,077 INFO L280 TraceCheckUtils]: 7: Hoare triple {4023#true} [154] L730-->L733: Formula: (= v_~y~0_2 1) InVars {} OutVars{~y~0=v_~y~0_2} AuxVars[] AssignedVars[~y~0] {4025#(= 1 ~y~0)} is VALID [2020-07-28 21:26:17,077 INFO L280 TraceCheckUtils]: 8: Hoare triple {4025#(= 1 ~y~0)} [177] P0ENTRY-->L715: Formula: (and (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= v_~y~0_13 v_~__unbuffered_p0_EAX~0_10) (= v_P0Thread1of1ForFork0_~arg.base_4 |v_P0Thread1of1ForFork0_#in~arg.base_4|)) InVars {P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~y~0=v_~y~0_13} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_10, P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~y~0=v_~y~0_13, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_4, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_4} AuxVars[] AssignedVars[~__unbuffered_p0_EAX~0, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {4026#(= 1 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:26:17,078 INFO L280 TraceCheckUtils]: 9: Hoare triple {4026#(= 1 ~__unbuffered_p0_EAX~0)} [194] P2ENTRY-->L745: Formula: (and (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4) (= v_~y~0_28 v_~__unbuffered_p2_EAX~0_20)) InVars {P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_28} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_4, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_4, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_20, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_28} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {4026#(= 1 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:26:17,079 INFO L280 TraceCheckUtils]: 10: Hoare triple {4026#(= 1 ~__unbuffered_p0_EAX~0)} [207] L772-1-->L2: Formula: (and (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond_8| (mod v_~main$tmp_guard0~0_22 256)) (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_91))) (or (and (= 1 v_~main$tmp_guard0~0_22) .cse0) (and (not .cse0) (= 0 v_~main$tmp_guard0~0_22))))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_91} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_8|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_10, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_13|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_91, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_22} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {4026#(= 1 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:26:17,080 INFO L280 TraceCheckUtils]: 11: Hoare triple {4026#(= 1 ~__unbuffered_p0_EAX~0)} [225] L2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 2 v_~y~0_64) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_26)) (= 1 v_~__unbuffered_p1_EAX~0_47) (= 2 v_~__unbuffered_p0_EAX~0_43) (= 1 v_~__unbuffered_p2_EAX~0_43) (= v_ULTIMATE.start___VERIFIER_assert_~expression_17 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_11|) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_11| (mod v_~main$tmp_guard1~0_40 256)) (= 0 v_~main$tmp_guard1~0_40) (= v_ULTIMATE.start_assume_abort_if_not_~cond_26 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_24|)) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_24|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_43, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_47, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_43, ~y~0=v_~y~0_64} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_24|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_43, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_17, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_26, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_47, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_40, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_43, ~y~0=v_~y~0_64, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_11|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {4024#false} is VALID [2020-07-28 21:26:17,081 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 21:26:17,081 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9208491] [2020-07-28 21:26:17,081 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:26:17,081 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 21:26:17,082 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369497149] [2020-07-28 21:26:17,082 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-07-28 21:26:17,082 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:26:17,083 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 21:26:17,097 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 21:26:17,097 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 21:26:17,097 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:26:17,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 21:26:17,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 21:26:17,098 INFO L87 Difference]: Start difference. First operand 110 states and 265 transitions. Second operand 4 states. [2020-07-28 21:26:17,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:26:17,217 INFO L93 Difference]: Finished difference Result 128 states and 298 transitions. [2020-07-28 21:26:17,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 21:26:17,219 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-07-28 21:26:17,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:26:17,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:26:17,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 37 transitions. [2020-07-28 21:26:17,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:26:17,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 37 transitions. [2020-07-28 21:26:17,224 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 37 transitions. [2020-07-28 21:26:17,283 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 21:26:17,284 INFO L225 Difference]: With dead ends: 128 [2020-07-28 21:26:17,284 INFO L226 Difference]: Without dead ends: 68 [2020-07-28 21:26:17,285 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-28 21:26:17,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-07-28 21:26:17,288 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,293 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,294 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,294 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,295 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,295 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,295 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,295 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,296 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,296 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,296 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,297 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,297 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,297 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,297 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,298 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,298 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,298 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,299 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,299 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,299 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,300 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,300 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,300 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,300 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,301 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,301 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,301 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,302 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,302 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,302 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,303 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,303 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,303 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,303 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,304 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,304 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,304 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,305 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,305 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,305 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,306 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,306 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,306 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,306 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,307 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,307 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,307 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,308 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,308 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,308 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,309 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,309 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,309 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,310 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,310 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,310 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,311 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,311 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,311 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,312 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,312 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,312 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,313 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,313 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,313 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,314 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,314 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:17,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2020-07-28 21:26:17,314 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:26:17,315 INFO L82 GeneralOperation]: Start isEquivalent. First operand 68 states. Second operand 68 states. [2020-07-28 21:26:17,315 INFO L74 IsIncluded]: Start isIncluded. First operand 68 states. Second operand 68 states. [2020-07-28 21:26:17,315 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 68 states. [2020-07-28 21:26:17,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:26:17,327 INFO L93 Difference]: Finished difference Result 68 states and 144 transitions. [2020-07-28 21:26:17,327 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 144 transitions. [2020-07-28 21:26:17,328 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:26:17,328 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:26:17,328 INFO L74 IsIncluded]: Start isIncluded. First operand 68 states. Second operand 68 states. [2020-07-28 21:26:17,328 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 68 states. [2020-07-28 21:26:17,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:26:17,332 INFO L93 Difference]: Finished difference Result 68 states and 144 transitions. [2020-07-28 21:26:17,332 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 144 transitions. [2020-07-28 21:26:17,332 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:26:17,332 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:26:17,333 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:26:17,333 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:26:17,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-07-28 21:26:17,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 144 transitions. [2020-07-28 21:26:17,336 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 144 transitions. Word has length 12 [2020-07-28 21:26:17,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:26:17,336 INFO L479 AbstractCegarLoop]: Abstraction has 68 states and 144 transitions. [2020-07-28 21:26:17,336 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 21:26:17,337 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 144 transitions. [2020-07-28 21:26:17,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-07-28 21:26:17,337 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:26:17,337 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:26:17,338 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 21:26:17,338 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:26:17,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:26:17,339 INFO L82 PathProgramCache]: Analyzing trace with hash -1246852910, now seen corresponding path program 1 times [2020-07-28 21:26:17,339 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:26:17,339 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074273502] [2020-07-28 21:26:17,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:26:17,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:26:17,455 INFO L280 TraceCheckUtils]: 0: Hoare triple {4432#true} [226] ULTIMATE.startENTRY-->L768: Formula: (let ((.cse0 (store |v_#valid_58| 0 0))) (and (= 0 |v_ULTIMATE.start_main_~#t1786~0.offset_17|) (= 0 v_~main$tmp_guard0~0_35) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1786~0.base_24|)) (= v_~__unbuffered_cnt~0_131 0) (= 0 v_~y~0_65) (= 0 v_~main$tmp_guard1~0_41) (= 0 v_~__unbuffered_p1_EAX~0_48) (= 0 |v_#NULL.base_6|) (= (store |v_#memory_int_18| |v_ULTIMATE.start_main_~#t1786~0.base_24| (store (select |v_#memory_int_18| |v_ULTIMATE.start_main_~#t1786~0.base_24|) |v_ULTIMATE.start_main_~#t1786~0.offset_17| 0)) |v_#memory_int_17|) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t1786~0.base_24|) (= 0 v_~__unbuffered_p0_EAX~0_44) (= 0 |v_#NULL.offset_6|) (= (store |v_#length_20| |v_ULTIMATE.start_main_~#t1786~0.base_24| 4) |v_#length_19|) (= |v_#valid_56| (store .cse0 |v_ULTIMATE.start_main_~#t1786~0.base_24| 1)) (= 0 v_~__unbuffered_p2_EAX~0_44) (< 0 |v_#StackHeapBarrier_15|) (= 0 v_~x~0_20))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_58|, #memory_int=|v_#memory_int_18|, #length=|v_#length_20|} OutVars{ULTIMATE.start_main_~#t1787~0.base=|v_ULTIMATE.start_main_~#t1787~0.base_22|, ULTIMATE.start_main_~#t1787~0.offset=|v_ULTIMATE.start_main_~#t1787~0.offset_16|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_25|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_6|, ULTIMATE.start_main_~#t1786~0.base=|v_ULTIMATE.start_main_~#t1786~0.base_24|, #NULL.offset=|v_#NULL.offset_6|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_41, ULTIMATE.start_main_~#t1788~0.offset=|v_ULTIMATE.start_main_~#t1788~0.offset_14|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_35, #NULL.base=|v_#NULL.base_6|, ULTIMATE.start_main_~#t1786~0.offset=|v_ULTIMATE.start_main_~#t1786~0.offset_17|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_44, ULTIMATE.start_main_~#t1788~0.base=|v_ULTIMATE.start_main_~#t1788~0.base_19|, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_48, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_16|, #valid=|v_#valid_56|, #memory_int=|v_#memory_int_17|, #length=|v_#length_19|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_44, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_131, ~y~0=v_~y~0_65, ~x~0=v_~x~0_20} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1787~0.base, ULTIMATE.start_main_~#t1787~0.offset, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~#t1786~0.base, #NULL.offset, ~main$tmp_guard1~0, ULTIMATE.start_main_~#t1788~0.offset, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t1786~0.offset, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t1788~0.base, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~y~0, ~x~0] {4434#(<= ~x~0 0)} is VALID [2020-07-28 21:26:17,456 INFO L280 TraceCheckUtils]: 1: Hoare triple {4434#(<= ~x~0 0)} [165] L768-->P0ENTRY: Formula: (and (= 0 v_P0Thread1of1ForFork0_thidvar0_2) (= 0 |v_P0Thread1of1ForFork0_#in~arg.base_3|) (= 0 |v_P0Thread1of1ForFork0_#in~arg.offset_3|)) InVars {} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_3|, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_3|, P0Thread1of1ForFork0_thidvar0=v_P0Thread1of1ForFork0_thidvar0_2, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_3|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_3|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_3, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_3} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#in~arg.offset, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_thidvar0, P0Thread1of1ForFork0_#in~arg.base, P0Thread1of1ForFork0_#res.base, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {4434#(<= ~x~0 0)} is VALID [2020-07-28 21:26:17,457 INFO L280 TraceCheckUtils]: 2: Hoare triple {4434#(<= ~x~0 0)} [202] L768-1-->L770: Formula: (and (= 0 (select |v_#valid_34| |v_ULTIMATE.start_main_~#t1787~0.base_9|)) (not (= 0 |v_ULTIMATE.start_main_~#t1787~0.base_9|)) (= 0 |v_ULTIMATE.start_main_~#t1787~0.offset_8|) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t1787~0.base_9| 4)) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t1787~0.base_9|) (= (store |v_#valid_34| |v_ULTIMATE.start_main_~#t1787~0.base_9| 1) |v_#valid_33|) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1787~0.base_9| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1787~0.base_9|) |v_ULTIMATE.start_main_~#t1787~0.offset_8| 1)) |v_#memory_int_13|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_14|, #length=|v_#length_16|} OutVars{ULTIMATE.start_main_~#t1787~0.base=|v_ULTIMATE.start_main_~#t1787~0.base_9|, #StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_~#t1787~0.offset=|v_ULTIMATE.start_main_~#t1787~0.offset_8|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_4|, #valid=|v_#valid_33|, #memory_int=|v_#memory_int_13|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1787~0.base, ULTIMATE.start_main_~#t1787~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {4434#(<= ~x~0 0)} is VALID [2020-07-28 21:26:17,458 INFO L280 TraceCheckUtils]: 3: Hoare triple {4434#(<= ~x~0 0)} [167] L770-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork1_thidvar0_2) (= 0 |v_P1Thread1of1ForFork1_#in~arg.base_3|) (= 0 |v_P1Thread1of1ForFork1_#in~arg.offset_3|)) InVars {} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_3, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_3|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_3, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_3|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_3|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_3|, P1Thread1of1ForFork1_thidvar0=v_P1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_#res.offset, P1Thread1of1ForFork1_~arg.base, P1Thread1of1ForFork1_#in~arg.base, P1Thread1of1ForFork1_#in~arg.offset, P1Thread1of1ForFork1_#res.base, P1Thread1of1ForFork1_thidvar0] {4434#(<= ~x~0 0)} is VALID [2020-07-28 21:26:17,459 INFO L280 TraceCheckUtils]: 4: Hoare triple {4434#(<= ~x~0 0)} [195] P1ENTRY-->L730: Formula: (and (= v_~__unbuffered_p1_EAX~0_23 v_~x~0_9) (= |v_P1Thread1of1ForFork1_#in~arg.offset_4| v_P1Thread1of1ForFork1_~arg.offset_4) (= v_P1Thread1of1ForFork1_~arg.base_4 |v_P1Thread1of1ForFork1_#in~arg.base_4|)) InVars {P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|, ~x~0=v_~x~0_9} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_4, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_23, 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_9} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, ~__unbuffered_p1_EAX~0, P1Thread1of1ForFork1_~arg.base] {4435#(<= ~__unbuffered_p1_EAX~0 0)} is VALID [2020-07-28 21:26:17,460 INFO L280 TraceCheckUtils]: 5: Hoare triple {4435#(<= ~__unbuffered_p1_EAX~0 0)} [196] L770-1-->L772: Formula: (and (= |v_#valid_27| (store |v_#valid_28| |v_ULTIMATE.start_main_~#t1788~0.base_8| 1)) (not (= 0 |v_ULTIMATE.start_main_~#t1788~0.base_8|)) (= 0 |v_ULTIMATE.start_main_~#t1788~0.offset_8|) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t1788~0.base_8|) (= |v_#length_13| (store |v_#length_14| |v_ULTIMATE.start_main_~#t1788~0.base_8| 4)) (= 0 (select |v_#valid_28| |v_ULTIMATE.start_main_~#t1788~0.base_8|)) (= (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t1788~0.base_8| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t1788~0.base_8|) |v_ULTIMATE.start_main_~#t1788~0.offset_8| 2)) |v_#memory_int_11|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_28|, #memory_int=|v_#memory_int_12|, #length=|v_#length_14|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_9|, ULTIMATE.start_main_~#t1788~0.base=|v_ULTIMATE.start_main_~#t1788~0.base_8|, #valid=|v_#valid_27|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_3|, #memory_int=|v_#memory_int_11|, #length=|v_#length_13|, ULTIMATE.start_main_~#t1788~0.offset=|v_ULTIMATE.start_main_~#t1788~0.offset_8|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1788~0.base, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t1788~0.offset] {4435#(<= ~__unbuffered_p1_EAX~0 0)} is VALID [2020-07-28 21:26:17,460 INFO L280 TraceCheckUtils]: 6: Hoare triple {4435#(<= ~__unbuffered_p1_EAX~0 0)} [169] L772-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#in~arg.base_3|) (= 0 |v_P2Thread1of1ForFork2_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_3|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_3, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_3, P2Thread1of1ForFork2_thidvar0=v_P2Thread1of1ForFork2_thidvar0_2, P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_3|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_3|, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_3|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#in~arg.offset, P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, P2Thread1of1ForFork2_thidvar0, P2Thread1of1ForFork2_#res.base, P2Thread1of1ForFork2_#in~arg.base, P2Thread1of1ForFork2_#res.offset] {4435#(<= ~__unbuffered_p1_EAX~0 0)} is VALID [2020-07-28 21:26:17,461 INFO L280 TraceCheckUtils]: 7: Hoare triple {4435#(<= ~__unbuffered_p1_EAX~0 0)} [154] L730-->L733: Formula: (= v_~y~0_2 1) InVars {} OutVars{~y~0=v_~y~0_2} AuxVars[] AssignedVars[~y~0] {4435#(<= ~__unbuffered_p1_EAX~0 0)} is VALID [2020-07-28 21:26:17,462 INFO L280 TraceCheckUtils]: 8: Hoare triple {4435#(<= ~__unbuffered_p1_EAX~0 0)} [194] P2ENTRY-->L745: Formula: (and (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4) (= v_~y~0_28 v_~__unbuffered_p2_EAX~0_20)) InVars {P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_28} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_4, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_4, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_20, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_28} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {4435#(<= ~__unbuffered_p1_EAX~0 0)} is VALID [2020-07-28 21:26:17,462 INFO L280 TraceCheckUtils]: 9: Hoare triple {4435#(<= ~__unbuffered_p1_EAX~0 0)} [160] L745-->L748: Formula: (= v_~y~0_4 2) InVars {} OutVars{~y~0=v_~y~0_4} AuxVars[] AssignedVars[~y~0] {4435#(<= ~__unbuffered_p1_EAX~0 0)} is VALID [2020-07-28 21:26:17,463 INFO L280 TraceCheckUtils]: 10: Hoare triple {4435#(<= ~__unbuffered_p1_EAX~0 0)} [177] P0ENTRY-->L715: Formula: (and (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= v_~y~0_13 v_~__unbuffered_p0_EAX~0_10) (= v_P0Thread1of1ForFork0_~arg.base_4 |v_P0Thread1of1ForFork0_#in~arg.base_4|)) InVars {P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~y~0=v_~y~0_13} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_10, P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~y~0=v_~y~0_13, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_4, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_4} AuxVars[] AssignedVars[~__unbuffered_p0_EAX~0, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {4435#(<= ~__unbuffered_p1_EAX~0 0)} is VALID [2020-07-28 21:26:17,464 INFO L280 TraceCheckUtils]: 11: Hoare triple {4435#(<= ~__unbuffered_p1_EAX~0 0)} [207] L772-1-->L2: Formula: (and (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond_8| (mod v_~main$tmp_guard0~0_22 256)) (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_91))) (or (and (= 1 v_~main$tmp_guard0~0_22) .cse0) (and (not .cse0) (= 0 v_~main$tmp_guard0~0_22))))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_91} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_8|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_10, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_13|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_91, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_22} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {4435#(<= ~__unbuffered_p1_EAX~0 0)} is VALID [2020-07-28 21:26:17,465 INFO L280 TraceCheckUtils]: 12: Hoare triple {4435#(<= ~__unbuffered_p1_EAX~0 0)} [225] L2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 2 v_~y~0_64) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_26)) (= 1 v_~__unbuffered_p1_EAX~0_47) (= 2 v_~__unbuffered_p0_EAX~0_43) (= 1 v_~__unbuffered_p2_EAX~0_43) (= v_ULTIMATE.start___VERIFIER_assert_~expression_17 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_11|) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_11| (mod v_~main$tmp_guard1~0_40 256)) (= 0 v_~main$tmp_guard1~0_40) (= v_ULTIMATE.start_assume_abort_if_not_~cond_26 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_24|)) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_24|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_43, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_47, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_43, ~y~0=v_~y~0_64} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_24|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_43, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_17, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_26, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_47, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_40, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_43, ~y~0=v_~y~0_64, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_11|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {4433#false} is VALID [2020-07-28 21:26:17,466 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 21:26:17,466 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074273502] [2020-07-28 21:26:17,466 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:26:17,466 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 21:26:17,467 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361835044] [2020-07-28 21:26:17,467 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-07-28 21:26:17,467 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:26:17,467 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 21:26:17,485 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 13 edges. 13 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:26:17,485 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 21:26:17,485 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:26:17,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 21:26:17,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 21:26:17,486 INFO L87 Difference]: Start difference. First operand 68 states and 144 transitions. Second operand 4 states. [2020-07-28 21:26:17,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:26:17,525 INFO L93 Difference]: Finished difference Result 56 states and 112 transitions. [2020-07-28 21:26:17,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-28 21:26:17,526 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-07-28 21:26:17,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:26:17,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:26:17,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2020-07-28 21:26:17,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:26:17,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2020-07-28 21:26:17,527 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 21 transitions. [2020-07-28 21:26:17,552 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 21 edges. 21 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:26:17,552 INFO L225 Difference]: With dead ends: 56 [2020-07-28 21:26:17,552 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 21:26:17,552 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-28 21:26:17,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 21:26:17,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 21:26:17,553 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:26:17,553 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 21:26:17,554 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 21:26:17,554 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 21:26:17,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:26:17,554 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 21:26:17,554 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 21:26:17,554 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:26:17,554 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:26:17,555 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 21:26:17,555 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 21:26:17,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:26:17,555 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 21:26:17,555 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 21:26:17,555 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:26:17,555 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:26:17,555 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:26:17,556 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:26:17,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 21:26:17,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 21:26:17,556 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2020-07-28 21:26:17,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:26:17,557 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 21:26:17,557 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 21:26:17,557 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 21:26:17,557 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:26:17,557 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 21:26:17,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 09:26:17 BasicIcfg [2020-07-28 21:26:17,562 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 21:26:17,562 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 21:26:17,562 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 21:26:17,562 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 21:26:17,563 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 09:26:12" (3/4) ... [2020-07-28 21:26:17,567 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 21:26:17,573 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2020-07-28 21:26:17,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2020-07-28 21:26:17,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2020-07-28 21:26:17,579 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-07-28 21:26:17,579 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-07-28 21:26:17,580 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 21:26:17,628 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 21:26:17,628 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 21:26:17,631 INFO L168 Benchmark]: Toolchain (without parser) took 6300.80 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 325.6 MB). Free memory was 957.5 MB in the beginning and 1.3 GB in the end (delta: -326.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 21:26:17,632 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 21:26:17,633 INFO L168 Benchmark]: CACSL2BoogieTranslator took 681.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -151.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2020-07-28 21:26:17,633 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.54 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 21:26:17,634 INFO L168 Benchmark]: Boogie Preprocessor took 31.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-28 21:26:17,635 INFO L168 Benchmark]: RCFGBuilder took 575.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.8 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2020-07-28 21:26:17,635 INFO L168 Benchmark]: TraceAbstraction took 4883.34 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 178.3 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -222.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 21:26:17,636 INFO L168 Benchmark]: Witness Printer took 66.17 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 11.5 GB. [2020-07-28 21:26:17,639 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 681.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -151.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.54 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 575.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.8 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4883.34 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 178.3 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -222.9 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 66.17 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.4s, 78 ProgramPointsBefore, 31 ProgramPointsAfterwards, 70 TransitionsBefore, 22 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 7 FixpointIterations, 14 TrivialSequentialCompositions, 37 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 1 ChoiceCompositions, 667 VarBasedMoverChecksPositive, 36 VarBasedMoverChecksNegative, 12 SemBasedMoverChecksPositive, 35 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.7s, 0 MoverChecksTotal, 2700 CheckedPairsTotal, 59 TotalNumberOfCompositions - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 69 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.7s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.5s, HoareTripleCheckerStatistics: 104 SDtfs, 88 SDslu, 87 SDs, 0 SdLazy, 37 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=298occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 65 NumberOfCodeBlocks, 65 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 59 ConstructedInterpolants, 0 QuantifiedInterpolants, 1643 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...