./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe008_tso.oepc.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/safe008_tso.oepc.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ebacfb0cfe4b716471c521505bcd9e72b4d5c178 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 21:31:15,458 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 21:31:15,460 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 21:31:15,473 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 21:31:15,474 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 21:31:15,475 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 21:31:15,477 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 21:31:15,479 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 21:31:15,481 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 21:31:15,482 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 21:31:15,483 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 21:31:15,485 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 21:31:15,485 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 21:31:15,486 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 21:31:15,488 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 21:31:15,489 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 21:31:15,490 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 21:31:15,491 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 21:31:15,493 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 21:31:15,495 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 21:31:15,497 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 21:31:15,498 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 21:31:15,500 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 21:31:15,501 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 21:31:15,504 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 21:31:15,504 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 21:31:15,505 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 21:31:15,506 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 21:31:15,506 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 21:31:15,507 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 21:31:15,508 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 21:31:15,509 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 21:31:15,510 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 21:31:15,510 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 21:31:15,512 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 21:31:15,512 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 21:31:15,513 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 21:31:15,513 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 21:31:15,513 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 21:31:15,514 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 21:31:15,515 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 21:31:15,516 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 21:31:15,533 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 21:31:15,533 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 21:31:15,534 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 21:31:15,535 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 21:31:15,535 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 21:31:15,536 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 21:31:15,536 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 21:31:15,536 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 21:31:15,536 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 21:31:15,537 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 21:31:15,537 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 21:31:15,537 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 21:31:15,538 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 21:31:15,538 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 21:31:15,538 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 21:31:15,538 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 21:31:15,539 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 21:31:15,539 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 21:31:15,539 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 21:31:15,540 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 21:31:15,540 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 21:31:15,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 21:31:15,541 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 21:31:15,541 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 21:31:15,541 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 21:31:15,541 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 21:31:15,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 21:31:15,542 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 21:31:15,542 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 21:31:15,542 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 -> ebacfb0cfe4b716471c521505bcd9e72b4d5c178 [2020-07-28 21:31:15,862 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 21:31:15,875 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 21:31:15,878 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 21:31:15,880 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 21:31:15,880 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 21:31:15,881 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe008_tso.oepc.i [2020-07-28 21:31:15,938 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47fc57819/787517242396481aa28ed6f66f5b9054/FLAG8e98b1962 [2020-07-28 21:31:16,404 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 21:31:16,405 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe008_tso.oepc.i [2020-07-28 21:31:16,419 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47fc57819/787517242396481aa28ed6f66f5b9054/FLAG8e98b1962 [2020-07-28 21:31:16,714 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47fc57819/787517242396481aa28ed6f66f5b9054 [2020-07-28 21:31:16,718 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 21:31:16,721 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 21:31:16,722 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 21:31:16,723 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 21:31:16,726 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 21:31:16,728 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 09:31:16" (1/1) ... [2020-07-28 21:31:16,731 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d44add4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:31:16, skipping insertion in model container [2020-07-28 21:31:16,731 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 09:31:16" (1/1) ... [2020-07-28 21:31:16,738 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 21:31:16,789 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 21:31:17,277 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 21:31:17,295 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 21:31:17,393 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 21:31:17,514 INFO L208 MainTranslator]: Completed translation [2020-07-28 21:31:17,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:31:17 WrapperNode [2020-07-28 21:31:17,515 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 21:31:17,517 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 21:31:17,517 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 21:31:17,518 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 21:31:17,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:31:17" (1/1) ... [2020-07-28 21:31:17,572 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:31:17" (1/1) ... [2020-07-28 21:31:17,608 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 21:31:17,609 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 21:31:17,609 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 21:31:17,609 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 21:31:17,620 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:31:17" (1/1) ... [2020-07-28 21:31:17,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:31:17" (1/1) ... [2020-07-28 21:31:17,631 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:31:17" (1/1) ... [2020-07-28 21:31:17,631 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:31:17" (1/1) ... [2020-07-28 21:31:17,639 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:31:17" (1/1) ... [2020-07-28 21:31:17,642 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:31:17" (1/1) ... [2020-07-28 21:31:17,644 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:31:17" (1/1) ... [2020-07-28 21:31:17,648 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 21:31:17,648 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 21:31:17,649 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 21:31:17,649 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 21:31:17,650 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:31:17" (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 21:31:17,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-28 21:31:17,719 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-07-28 21:31:17,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 21:31:17,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 21:31:17,719 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-07-28 21:31:17,720 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-07-28 21:31:17,720 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-07-28 21:31:17,720 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-07-28 21:31:17,720 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-07-28 21:31:17,720 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-07-28 21:31:17,721 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-07-28 21:31:17,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 21:31:17,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 21:31:17,722 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 21:31:18,238 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 21:31:18,238 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-07-28 21:31:18,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 09:31:18 BoogieIcfgContainer [2020-07-28 21:31:18,243 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 21:31:18,244 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 21:31:18,245 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 21:31:18,248 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 21:31:18,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 09:31:16" (1/3) ... [2020-07-28 21:31:18,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ba6e7d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 09:31:18, skipping insertion in model container [2020-07-28 21:31:18,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:31:17" (2/3) ... [2020-07-28 21:31:18,252 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ba6e7d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 09:31:18, skipping insertion in model container [2020-07-28 21:31:18,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 09:31:18" (3/3) ... [2020-07-28 21:31:18,254 INFO L109 eAbstractionObserver]: Analyzing ICFG safe008_tso.oepc.i [2020-07-28 21:31:18,265 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-07-28 21:31:18,266 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 21:31:18,275 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 21:31:18,276 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-07-28 21:31:18,335 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:18,335 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:18,335 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:18,336 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:18,337 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:18,337 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:18,338 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:18,338 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:18,339 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:18,339 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:18,340 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:18,340 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:18,342 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:18,342 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:18,343 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:18,343 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:18,344 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:18,345 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:18,352 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:18,352 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:18,353 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:18,353 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:18,362 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:18,365 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:18,366 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:18,366 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:18,377 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:18,377 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:18,377 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:18,377 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:18,397 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-07-28 21:31:18,421 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 21:31:18,421 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 21:31:18,421 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 21:31:18,422 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 21:31:18,423 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 21:31:18,423 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 21:31:18,423 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 21:31:18,423 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 21:31:18,450 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 70 transitions, 155 flow [2020-07-28 21:31:18,452 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 78 places, 70 transitions, 155 flow [2020-07-28 21:31:18,528 INFO L129 PetriNetUnfolder]: 2/67 cut-off events. [2020-07-28 21:31:18,529 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-07-28 21:31:18,536 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 21:31:18,541 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 78 places, 70 transitions, 155 flow [2020-07-28 21:31:18,589 INFO L129 PetriNetUnfolder]: 2/67 cut-off events. [2020-07-28 21:31:18,589 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-07-28 21:31:18,590 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 21:31:18,593 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1260 [2020-07-28 21:31:18,595 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-07-28 21:31:20,644 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2250 [2020-07-28 21:31:20,644 INFO L214 etLargeBlockEncoding]: Total number of compositions: 55 [2020-07-28 21:31:20,650 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 32 places, 23 transitions, 61 flow [2020-07-28 21:31:20,699 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 362 states. [2020-07-28 21:31:20,702 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states. [2020-07-28 21:31:20,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-07-28 21:31:20,733 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:31:20,734 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:31:20,734 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:31:20,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:31:20,745 INFO L82 PathProgramCache]: Analyzing trace with hash 1626400852, now seen corresponding path program 1 times [2020-07-28 21:31:20,756 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:31:20,757 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321617488] [2020-07-28 21:31:20,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:31:20,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:31:20,968 INFO L280 TraceCheckUtils]: 0: Hoare triple {805#true} [225] ULTIMATE.startENTRY-->L768: Formula: (let ((.cse0 (store |v_#valid_59| 0 0))) (and (= 0 v_~main$tmp_guard0~0_40) (= 0 v_~__unbuffered_p1_EAX~0_27) (= 0 v_~x~0_17) (= (store .cse0 |v_ULTIMATE.start_main_~#t1979~0.base_26| 1) |v_#valid_57|) (= 0 v_~__unbuffered_p2_EAX~0_33) (= 0 v_~main$tmp_guard1~0_25) (= |v_#length_23| (store |v_#length_24| |v_ULTIMATE.start_main_~#t1979~0.base_26| 4)) (= 0 |v_ULTIMATE.start_main_~#t1979~0.offset_19|) (= 0 v_~z~0_36) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1979~0.base_26|)) (= 0 |v_#NULL.offset_4|) (= 0 v_~y~0_23) (= (store |v_#memory_int_22| |v_ULTIMATE.start_main_~#t1979~0.base_26| (store (select |v_#memory_int_22| |v_ULTIMATE.start_main_~#t1979~0.base_26|) |v_ULTIMATE.start_main_~#t1979~0.offset_19| 0)) |v_#memory_int_21|) (= v_~__unbuffered_cnt~0_147 0) (< 0 |v_#StackHeapBarrier_15|) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t1979~0.base_26|) (= 0 |v_#NULL.base_4|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_59|, #memory_int=|v_#memory_int_22|, #length=|v_#length_24|} OutVars{ULTIMATE.start_main_~#t1980~0.base=|v_ULTIMATE.start_main_~#t1980~0.base_20|, ULTIMATE.start_main_~#t1979~0.offset=|v_ULTIMATE.start_main_~#t1979~0.offset_19|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_32|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_9|, ULTIMATE.start_main_~#t1980~0.offset=|v_ULTIMATE.start_main_~#t1980~0.offset_16|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_8|, ULTIMATE.start_main_~#t1979~0.base=|v_ULTIMATE.start_main_~#t1979~0.base_26|, ULTIMATE.start_main_~#t1981~0.base=|v_ULTIMATE.start_main_~#t1981~0.base_20|, #NULL.offset=|v_#NULL.offset_4|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_25, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_40, #NULL.base=|v_#NULL.base_4|, ULTIMATE.start_main_~#t1981~0.offset=|v_ULTIMATE.start_main_~#t1981~0.offset_16|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_27, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_16|, #valid=|v_#valid_57|, #memory_int=|v_#memory_int_21|, #length=|v_#length_23|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_33, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_147, ~z~0=v_~z~0_36, ~y~0=v_~y~0_23, ~x~0=v_~x~0_17} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1980~0.base, ULTIMATE.start_main_~#t1979~0.offset, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~#t1980~0.offset, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~#t1979~0.base, ULTIMATE.start_main_~#t1981~0.base, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t1981~0.offset, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ~x~0] {805#true} is VALID [2020-07-28 21:31:20,968 INFO L280 TraceCheckUtils]: 1: Hoare triple {805#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] {805#true} is VALID [2020-07-28 21:31:20,969 INFO L280 TraceCheckUtils]: 2: Hoare triple {805#true} [205] L768-1-->L770: Formula: (and (= 0 (select |v_#valid_41| |v_ULTIMATE.start_main_~#t1980~0.base_12|)) (not (= |v_ULTIMATE.start_main_~#t1980~0.base_12| 0)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t1980~0.base_12|) (= |v_#valid_40| (store |v_#valid_41| |v_ULTIMATE.start_main_~#t1980~0.base_12| 1)) (= 0 |v_ULTIMATE.start_main_~#t1980~0.offset_10|) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t1980~0.base_12| 4)) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1980~0.base_12| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1980~0.base_12|) |v_ULTIMATE.start_main_~#t1980~0.offset_10| 1)) |v_#memory_int_13|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_41|, #memory_int=|v_#memory_int_14|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t1980~0.base=|v_ULTIMATE.start_main_~#t1980~0.base_12|, ULTIMATE.start_main_~#t1980~0.offset=|v_ULTIMATE.start_main_~#t1980~0.offset_10|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_40|, #memory_int=|v_#memory_int_13|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1980~0.base, ULTIMATE.start_main_~#t1980~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {805#true} is VALID [2020-07-28 21:31:20,969 INFO L280 TraceCheckUtils]: 3: Hoare triple {805#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] {805#true} is VALID [2020-07-28 21:31:20,970 INFO L280 TraceCheckUtils]: 4: Hoare triple {805#true} [199] L770-1-->L772: Formula: (and (= (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t1981~0.base_10| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t1981~0.base_10|) |v_ULTIMATE.start_main_~#t1981~0.offset_9| 2)) |v_#memory_int_11|) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t1981~0.base_10|) (not (= 0 |v_ULTIMATE.start_main_~#t1981~0.base_10|)) (= 0 (select |v_#valid_34| |v_ULTIMATE.start_main_~#t1981~0.base_10|)) (= 0 |v_ULTIMATE.start_main_~#t1981~0.offset_9|) (= (store |v_#length_14| |v_ULTIMATE.start_main_~#t1981~0.base_10| 4) |v_#length_13|) (= |v_#valid_33| (store |v_#valid_34| |v_ULTIMATE.start_main_~#t1981~0.base_10| 1))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_12|, #length=|v_#length_14|} OutVars{ULTIMATE.start_main_~#t1981~0.offset=|v_ULTIMATE.start_main_~#t1981~0.offset_9|, #StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_33|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_4|, #memory_int=|v_#memory_int_11|, ULTIMATE.start_main_~#t1981~0.base=|v_ULTIMATE.start_main_~#t1981~0.base_10|, #length=|v_#length_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1981~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, ULTIMATE.start_main_~#t1981~0.base, #length] {805#true} is VALID [2020-07-28 21:31:20,970 INFO L280 TraceCheckUtils]: 5: Hoare triple {805#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] {805#true} is VALID [2020-07-28 21:31:20,971 INFO L280 TraceCheckUtils]: 6: Hoare triple {805#true} [222] L772-1-->L782: Formula: false InVars {} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_19|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_29, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_29|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_24, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_37, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_10|} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard1~0, ~main$tmp_guard0~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {806#false} is VALID [2020-07-28 21:31:20,972 INFO L280 TraceCheckUtils]: 7: Hoare triple {806#false} [209] L782-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_11) (= v_ULTIMATE.start___VERIFIER_assert_~expression_11 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_11, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] {806#false} is VALID [2020-07-28 21:31:20,974 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 21:31:20,975 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321617488] [2020-07-28 21:31:20,976 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:31:20,976 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 21:31:20,977 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769048353] [2020-07-28 21:31:20,984 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-07-28 21:31:20,985 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:31:20,990 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 21:31:21,006 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 21:31:21,006 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 21:31:21,007 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:31:21,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 21:31:21,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 21:31:21,020 INFO L87 Difference]: Start difference. First operand 362 states. Second operand 2 states. [2020-07-28 21:31:21,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:31:21,157 INFO L93 Difference]: Finished difference Result 362 states and 1072 transitions. [2020-07-28 21:31:21,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 21:31:21,157 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-07-28 21:31:21,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:31:21,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 21:31:21,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 20 transitions. [2020-07-28 21:31:21,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 21:31:21,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 20 transitions. [2020-07-28 21:31:21,165 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 20 transitions. [2020-07-28 21:31:21,198 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:31:21,235 INFO L225 Difference]: With dead ends: 362 [2020-07-28 21:31:21,235 INFO L226 Difference]: Without dead ends: 298 [2020-07-28 21:31:21,237 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 21:31:21,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2020-07-28 21:31:21,292 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,294 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,294 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,296 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,297 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,297 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,297 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,297 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,298 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,298 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,298 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,298 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,299 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,299 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,299 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,302 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,303 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,303 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,303 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,304 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,304 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,304 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,304 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,304 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,305 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,305 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,305 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,305 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,306 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,306 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,308 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,309 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,309 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,309 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,309 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,310 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,310 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,310 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,310 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,311 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,311 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,311 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,311 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,312 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,312 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,312 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,312 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,313 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,313 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,313 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,313 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,314 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,314 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,314 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,315 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,315 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,315 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,316 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,316 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,316 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,316 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,316 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,317 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,317 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,317 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,318 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,318 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,318 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,318 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,319 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,319 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,319 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,319 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,320 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,320 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,320 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,320 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,321 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,321 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,321 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,321 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,322 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,322 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,322 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,322 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,323 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,323 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,323 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,323 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,323 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,324 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,324 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,324 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,324 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,325 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,325 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,325 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,325 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,326 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,326 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,326 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,326 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,327 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,327 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,327 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,328 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,328 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,329 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,329 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,329 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,330 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,330 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,330 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,330 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,331 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,331 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,331 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,331 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,333 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,337 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,338 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,338 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,338 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,338 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,338 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,339 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,339 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,340 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,341 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,341 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,341 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,341 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,349 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,349 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,349 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,349 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,350 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,350 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,350 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,350 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,351 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,351 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,351 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,353 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,353 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,353 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,353 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,355 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,355 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,357 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,357 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,358 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,358 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,358 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,358 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,358 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,359 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,359 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,359 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,360 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,361 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,361 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,361 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,361 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,361 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,362 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,362 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,362 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,362 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,363 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,363 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,363 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,363 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,363 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,364 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,364 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,364 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,364 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,365 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,365 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,365 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,365 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,366 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,366 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,366 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,366 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,366 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,367 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,367 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,367 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,367 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,368 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,368 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,369 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,369 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,369 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,369 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,370 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,370 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,371 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,371 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,371 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,371 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,372 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,372 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,372 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,372 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,372 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,373 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,376 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,376 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,377 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,377 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,377 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,377 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,378 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,378 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,378 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,378 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,379 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,379 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,382 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,382 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,383 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,383 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,383 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,383 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,384 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,384 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,384 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,384 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,384 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,385 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,385 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,385 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,385 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,386 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,386 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,386 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,386 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,387 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,387 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,387 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,387 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,388 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,388 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,388 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,388 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,388 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,389 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,389 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,389 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,389 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,390 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,390 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,393 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,394 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,394 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,395 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,395 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,397 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,399 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,399 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,399 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,400 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,400 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,400 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,400 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,401 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,401 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,401 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,402 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,402 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,402 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,402 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,403 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,403 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,403 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,403 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,404 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,404 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,404 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,404 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,405 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,405 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,405 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,405 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,406 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,406 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,406 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,406 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,407 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,407 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,407 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,407 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,408 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,408 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,409 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298. [2020-07-28 21:31:21,414 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:31:21,415 INFO L82 GeneralOperation]: Start isEquivalent. First operand 298 states. Second operand 298 states. [2020-07-28 21:31:21,415 INFO L74 IsIncluded]: Start isIncluded. First operand 298 states. Second operand 298 states. [2020-07-28 21:31:21,415 INFO L87 Difference]: Start difference. First operand 298 states. Second operand 298 states. [2020-07-28 21:31:21,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:31:21,454 INFO L93 Difference]: Finished difference Result 298 states and 864 transitions. [2020-07-28 21:31:21,454 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 864 transitions. [2020-07-28 21:31:21,464 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:31:21,464 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:31:21,464 INFO L74 IsIncluded]: Start isIncluded. First operand 298 states. Second operand 298 states. [2020-07-28 21:31:21,464 INFO L87 Difference]: Start difference. First operand 298 states. Second operand 298 states. [2020-07-28 21:31:21,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:31:21,497 INFO L93 Difference]: Finished difference Result 298 states and 864 transitions. [2020-07-28 21:31:21,498 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 864 transitions. [2020-07-28 21:31:21,501 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:31:21,501 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:31:21,501 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:31:21,501 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:31:21,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-07-28 21:31:21,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 864 transitions. [2020-07-28 21:31:21,525 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 864 transitions. Word has length 8 [2020-07-28 21:31:21,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:31:21,525 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 864 transitions. [2020-07-28 21:31:21,525 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 21:31:21,526 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 864 transitions. [2020-07-28 21:31:21,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-07-28 21:31:21,527 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:31:21,527 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:31:21,528 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 21:31:21,528 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:31:21,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:31:21,528 INFO L82 PathProgramCache]: Analyzing trace with hash -1121187596, now seen corresponding path program 1 times [2020-07-28 21:31:21,529 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:31:21,529 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043564314] [2020-07-28 21:31:21,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:31:21,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:31:21,662 INFO L280 TraceCheckUtils]: 0: Hoare triple {2363#true} [225] ULTIMATE.startENTRY-->L768: Formula: (let ((.cse0 (store |v_#valid_59| 0 0))) (and (= 0 v_~main$tmp_guard0~0_40) (= 0 v_~__unbuffered_p1_EAX~0_27) (= 0 v_~x~0_17) (= (store .cse0 |v_ULTIMATE.start_main_~#t1979~0.base_26| 1) |v_#valid_57|) (= 0 v_~__unbuffered_p2_EAX~0_33) (= 0 v_~main$tmp_guard1~0_25) (= |v_#length_23| (store |v_#length_24| |v_ULTIMATE.start_main_~#t1979~0.base_26| 4)) (= 0 |v_ULTIMATE.start_main_~#t1979~0.offset_19|) (= 0 v_~z~0_36) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1979~0.base_26|)) (= 0 |v_#NULL.offset_4|) (= 0 v_~y~0_23) (= (store |v_#memory_int_22| |v_ULTIMATE.start_main_~#t1979~0.base_26| (store (select |v_#memory_int_22| |v_ULTIMATE.start_main_~#t1979~0.base_26|) |v_ULTIMATE.start_main_~#t1979~0.offset_19| 0)) |v_#memory_int_21|) (= v_~__unbuffered_cnt~0_147 0) (< 0 |v_#StackHeapBarrier_15|) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t1979~0.base_26|) (= 0 |v_#NULL.base_4|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_59|, #memory_int=|v_#memory_int_22|, #length=|v_#length_24|} OutVars{ULTIMATE.start_main_~#t1980~0.base=|v_ULTIMATE.start_main_~#t1980~0.base_20|, ULTIMATE.start_main_~#t1979~0.offset=|v_ULTIMATE.start_main_~#t1979~0.offset_19|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_32|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_9|, ULTIMATE.start_main_~#t1980~0.offset=|v_ULTIMATE.start_main_~#t1980~0.offset_16|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_8|, ULTIMATE.start_main_~#t1979~0.base=|v_ULTIMATE.start_main_~#t1979~0.base_26|, ULTIMATE.start_main_~#t1981~0.base=|v_ULTIMATE.start_main_~#t1981~0.base_20|, #NULL.offset=|v_#NULL.offset_4|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_25, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_40, #NULL.base=|v_#NULL.base_4|, ULTIMATE.start_main_~#t1981~0.offset=|v_ULTIMATE.start_main_~#t1981~0.offset_16|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_27, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_16|, #valid=|v_#valid_57|, #memory_int=|v_#memory_int_21|, #length=|v_#length_23|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_33, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_147, ~z~0=v_~z~0_36, ~y~0=v_~y~0_23, ~x~0=v_~x~0_17} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1980~0.base, ULTIMATE.start_main_~#t1979~0.offset, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~#t1980~0.offset, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~#t1979~0.base, ULTIMATE.start_main_~#t1981~0.base, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t1981~0.offset, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ~x~0] {2365#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:31:21,663 INFO L280 TraceCheckUtils]: 1: Hoare triple {2365#(= 0 ~__unbuffered_p2_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] {2365#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:31:21,664 INFO L280 TraceCheckUtils]: 2: Hoare triple {2365#(= 0 ~__unbuffered_p2_EAX~0)} [205] L768-1-->L770: Formula: (and (= 0 (select |v_#valid_41| |v_ULTIMATE.start_main_~#t1980~0.base_12|)) (not (= |v_ULTIMATE.start_main_~#t1980~0.base_12| 0)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t1980~0.base_12|) (= |v_#valid_40| (store |v_#valid_41| |v_ULTIMATE.start_main_~#t1980~0.base_12| 1)) (= 0 |v_ULTIMATE.start_main_~#t1980~0.offset_10|) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t1980~0.base_12| 4)) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1980~0.base_12| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1980~0.base_12|) |v_ULTIMATE.start_main_~#t1980~0.offset_10| 1)) |v_#memory_int_13|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_41|, #memory_int=|v_#memory_int_14|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t1980~0.base=|v_ULTIMATE.start_main_~#t1980~0.base_12|, ULTIMATE.start_main_~#t1980~0.offset=|v_ULTIMATE.start_main_~#t1980~0.offset_10|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_40|, #memory_int=|v_#memory_int_13|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1980~0.base, ULTIMATE.start_main_~#t1980~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {2365#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:31:21,664 INFO L280 TraceCheckUtils]: 3: Hoare triple {2365#(= 0 ~__unbuffered_p2_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] {2365#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:31:21,665 INFO L280 TraceCheckUtils]: 4: Hoare triple {2365#(= 0 ~__unbuffered_p2_EAX~0)} [199] L770-1-->L772: Formula: (and (= (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t1981~0.base_10| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t1981~0.base_10|) |v_ULTIMATE.start_main_~#t1981~0.offset_9| 2)) |v_#memory_int_11|) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t1981~0.base_10|) (not (= 0 |v_ULTIMATE.start_main_~#t1981~0.base_10|)) (= 0 (select |v_#valid_34| |v_ULTIMATE.start_main_~#t1981~0.base_10|)) (= 0 |v_ULTIMATE.start_main_~#t1981~0.offset_9|) (= (store |v_#length_14| |v_ULTIMATE.start_main_~#t1981~0.base_10| 4) |v_#length_13|) (= |v_#valid_33| (store |v_#valid_34| |v_ULTIMATE.start_main_~#t1981~0.base_10| 1))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_12|, #length=|v_#length_14|} OutVars{ULTIMATE.start_main_~#t1981~0.offset=|v_ULTIMATE.start_main_~#t1981~0.offset_9|, #StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_33|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_4|, #memory_int=|v_#memory_int_11|, ULTIMATE.start_main_~#t1981~0.base=|v_ULTIMATE.start_main_~#t1981~0.base_10|, #length=|v_#length_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1981~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, ULTIMATE.start_main_~#t1981~0.base, #length] {2365#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:31:21,666 INFO L280 TraceCheckUtils]: 5: Hoare triple {2365#(= 0 ~__unbuffered_p2_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] {2365#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:31:21,666 INFO L280 TraceCheckUtils]: 6: Hoare triple {2365#(= 0 ~__unbuffered_p2_EAX~0)} [215] L772-1-->L3: Formula: (and (= (mod v_~main$tmp_guard0~0_27 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_11|) (let ((.cse0 (= v_~__unbuffered_cnt~0_105 3))) (or (and .cse0 (= 1 v_~main$tmp_guard0~0_27)) (and (= 0 v_~main$tmp_guard0~0_27) (not .cse0)))) (= v_ULTIMATE.start_assume_abort_if_not_~cond_17 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_11|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_105} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_11|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_17, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_20|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_105, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_27} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {2365#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:31:21,668 INFO L280 TraceCheckUtils]: 7: Hoare triple {2365#(= 0 ~__unbuffered_p2_EAX~0)} [211] L3-->L782: Formula: (and (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_11)) (= (mod v_~main$tmp_guard1~0_18 256) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|) (let ((.cse1 (= 1 v_~__unbuffered_p2_EAX~0_26)) (.cse0 (= 2 v_~z~0_30)) (.cse2 (= 1 v_~__unbuffered_p1_EAX~0_20))) (or (and (or (not .cse0) (not .cse1) (not .cse2)) (= 1 v_~main$tmp_guard1~0_18)) (and .cse1 (= 0 v_~main$tmp_guard1~0_18) .cse0 .cse2)))) InVars {ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_11, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_20, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_26, ~z~0=v_~z~0_30} OutVars{ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_11, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_20, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_18, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_26, ~z~0=v_~z~0_30, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} AuxVars[] AssignedVars[~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {2366#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} is VALID [2020-07-28 21:31:21,668 INFO L280 TraceCheckUtils]: 8: Hoare triple {2366#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} [209] L782-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_11) (= v_ULTIMATE.start___VERIFIER_assert_~expression_11 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_11, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] {2364#false} is VALID [2020-07-28 21:31:21,669 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 21:31:21,670 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043564314] [2020-07-28 21:31:21,670 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:31:21,670 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 21:31:21,670 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374734333] [2020-07-28 21:31:21,672 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-07-28 21:31:21,672 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:31:21,672 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 21:31:21,686 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 21:31:21,686 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 21:31:21,686 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:31:21,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 21:31:21,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 21:31:21,687 INFO L87 Difference]: Start difference. First operand 298 states and 864 transitions. Second operand 4 states. [2020-07-28 21:31:21,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:31:21,796 INFO L93 Difference]: Finished difference Result 330 states and 912 transitions. [2020-07-28 21:31:21,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 21:31:21,796 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-07-28 21:31:21,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:31:21,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:31:21,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 43 transitions. [2020-07-28 21:31:21,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:31:21,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 43 transitions. [2020-07-28 21:31:21,798 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 43 transitions. [2020-07-28 21:31:21,852 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 43 edges. 43 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:31:21,864 INFO L225 Difference]: With dead ends: 330 [2020-07-28 21:31:21,864 INFO L226 Difference]: Without dead ends: 266 [2020-07-28 21:31:21,866 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 21:31:21,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-07-28 21:31:21,891 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,893 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,893 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,893 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,893 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,894 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,894 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,894 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,895 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,895 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,895 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,895 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,895 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,896 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,896 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,896 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,896 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,896 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,897 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,897 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,897 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,898 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,898 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,898 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,898 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,899 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,899 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,899 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,899 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,899 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,900 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,900 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,900 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,900 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,900 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,901 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,901 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,901 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,901 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,901 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,901 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,902 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,902 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,902 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,902 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,902 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,903 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,903 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,903 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,903 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,903 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,904 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,904 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,904 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,904 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,904 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,905 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,905 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,905 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,905 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,905 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,906 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,906 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,906 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,906 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,907 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,907 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,907 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,907 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,907 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,908 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,908 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,908 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,908 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,908 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,909 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,909 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,909 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,909 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,909 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,910 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,910 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,910 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,910 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,913 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,913 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,913 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,914 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,914 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,914 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,914 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,914 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,915 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,915 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,915 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,915 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,915 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,916 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,916 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,916 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,916 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,916 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,916 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,917 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,917 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,917 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,917 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,918 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,918 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,918 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,918 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,918 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,918 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,919 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,919 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,919 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,919 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,919 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,920 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,920 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,920 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,920 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,920 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,920 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,920 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,921 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,921 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,921 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,921 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,921 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,921 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,922 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,922 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,922 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,922 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,922 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,922 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,922 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,923 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,923 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,923 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,923 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,923 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,923 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,923 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,924 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,924 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,924 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,924 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,924 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,924 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,924 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,925 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,925 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,925 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,925 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,925 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,925 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,926 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,926 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,926 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,926 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,926 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,927 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,927 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,927 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,927 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,927 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,927 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,928 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,928 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,928 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,928 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,928 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,929 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,929 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,929 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,929 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,929 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,930 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,930 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,930 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,930 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,930 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,931 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,931 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,931 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,931 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,931 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,931 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,932 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,932 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,932 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,932 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,932 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,933 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,933 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,933 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,933 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,933 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,933 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,934 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,934 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,934 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,934 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,934 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,934 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,935 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,935 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,935 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,935 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,935 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,935 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,936 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,936 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,936 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,936 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,936 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,936 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,936 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,937 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,937 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,937 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,937 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,937 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,937 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,938 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,938 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,938 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,938 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,938 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,938 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,938 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,939 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,939 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,939 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,939 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,939 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,939 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,939 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,940 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,940 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,940 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,940 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,940 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,940 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,941 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,941 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,941 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,941 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,941 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,941 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,942 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,942 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,942 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,942 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,942 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,943 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,943 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,943 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,943 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,944 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,944 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,944 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,944 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,945 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:21,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2020-07-28 21:31:21,945 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:31:21,946 INFO L82 GeneralOperation]: Start isEquivalent. First operand 266 states. Second operand 266 states. [2020-07-28 21:31:21,946 INFO L74 IsIncluded]: Start isIncluded. First operand 266 states. Second operand 266 states. [2020-07-28 21:31:21,946 INFO L87 Difference]: Start difference. First operand 266 states. Second operand 266 states. [2020-07-28 21:31:21,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:31:21,961 INFO L93 Difference]: Finished difference Result 266 states and 752 transitions. [2020-07-28 21:31:21,961 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 752 transitions. [2020-07-28 21:31:21,962 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:31:21,962 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:31:21,962 INFO L74 IsIncluded]: Start isIncluded. First operand 266 states. Second operand 266 states. [2020-07-28 21:31:21,962 INFO L87 Difference]: Start difference. First operand 266 states. Second operand 266 states. [2020-07-28 21:31:21,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:31:21,977 INFO L93 Difference]: Finished difference Result 266 states and 752 transitions. [2020-07-28 21:31:21,977 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 752 transitions. [2020-07-28 21:31:21,977 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:31:21,978 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:31:21,978 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:31:21,978 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:31:21,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-07-28 21:31:21,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 752 transitions. [2020-07-28 21:31:21,993 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 752 transitions. Word has length 9 [2020-07-28 21:31:21,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:31:21,993 INFO L479 AbstractCegarLoop]: Abstraction has 266 states and 752 transitions. [2020-07-28 21:31:21,993 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 21:31:21,993 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 752 transitions. [2020-07-28 21:31:21,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-07-28 21:31:21,994 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:31:21,994 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:31:21,994 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 21:31:21,994 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:31:21,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:31:21,995 INFO L82 PathProgramCache]: Analyzing trace with hash -397698604, now seen corresponding path program 1 times [2020-07-28 21:31:21,995 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:31:21,995 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175058151] [2020-07-28 21:31:21,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:31:22,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:31:22,097 INFO L280 TraceCheckUtils]: 0: Hoare triple {3765#true} [225] ULTIMATE.startENTRY-->L768: Formula: (let ((.cse0 (store |v_#valid_59| 0 0))) (and (= 0 v_~main$tmp_guard0~0_40) (= 0 v_~__unbuffered_p1_EAX~0_27) (= 0 v_~x~0_17) (= (store .cse0 |v_ULTIMATE.start_main_~#t1979~0.base_26| 1) |v_#valid_57|) (= 0 v_~__unbuffered_p2_EAX~0_33) (= 0 v_~main$tmp_guard1~0_25) (= |v_#length_23| (store |v_#length_24| |v_ULTIMATE.start_main_~#t1979~0.base_26| 4)) (= 0 |v_ULTIMATE.start_main_~#t1979~0.offset_19|) (= 0 v_~z~0_36) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1979~0.base_26|)) (= 0 |v_#NULL.offset_4|) (= 0 v_~y~0_23) (= (store |v_#memory_int_22| |v_ULTIMATE.start_main_~#t1979~0.base_26| (store (select |v_#memory_int_22| |v_ULTIMATE.start_main_~#t1979~0.base_26|) |v_ULTIMATE.start_main_~#t1979~0.offset_19| 0)) |v_#memory_int_21|) (= v_~__unbuffered_cnt~0_147 0) (< 0 |v_#StackHeapBarrier_15|) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t1979~0.base_26|) (= 0 |v_#NULL.base_4|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_59|, #memory_int=|v_#memory_int_22|, #length=|v_#length_24|} OutVars{ULTIMATE.start_main_~#t1980~0.base=|v_ULTIMATE.start_main_~#t1980~0.base_20|, ULTIMATE.start_main_~#t1979~0.offset=|v_ULTIMATE.start_main_~#t1979~0.offset_19|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_32|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_9|, ULTIMATE.start_main_~#t1980~0.offset=|v_ULTIMATE.start_main_~#t1980~0.offset_16|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_8|, ULTIMATE.start_main_~#t1979~0.base=|v_ULTIMATE.start_main_~#t1979~0.base_26|, ULTIMATE.start_main_~#t1981~0.base=|v_ULTIMATE.start_main_~#t1981~0.base_20|, #NULL.offset=|v_#NULL.offset_4|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_25, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_40, #NULL.base=|v_#NULL.base_4|, ULTIMATE.start_main_~#t1981~0.offset=|v_ULTIMATE.start_main_~#t1981~0.offset_16|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_27, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_16|, #valid=|v_#valid_57|, #memory_int=|v_#memory_int_21|, #length=|v_#length_23|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_33, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_147, ~z~0=v_~z~0_36, ~y~0=v_~y~0_23, ~x~0=v_~x~0_17} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1980~0.base, ULTIMATE.start_main_~#t1979~0.offset, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~#t1980~0.offset, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~#t1979~0.base, ULTIMATE.start_main_~#t1981~0.base, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t1981~0.offset, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ~x~0] {3767#(= 0 ~y~0)} is VALID [2020-07-28 21:31:22,098 INFO L280 TraceCheckUtils]: 1: Hoare triple {3767#(= 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] {3767#(= 0 ~y~0)} is VALID [2020-07-28 21:31:22,098 INFO L280 TraceCheckUtils]: 2: Hoare triple {3767#(= 0 ~y~0)} [205] L768-1-->L770: Formula: (and (= 0 (select |v_#valid_41| |v_ULTIMATE.start_main_~#t1980~0.base_12|)) (not (= |v_ULTIMATE.start_main_~#t1980~0.base_12| 0)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t1980~0.base_12|) (= |v_#valid_40| (store |v_#valid_41| |v_ULTIMATE.start_main_~#t1980~0.base_12| 1)) (= 0 |v_ULTIMATE.start_main_~#t1980~0.offset_10|) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t1980~0.base_12| 4)) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1980~0.base_12| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1980~0.base_12|) |v_ULTIMATE.start_main_~#t1980~0.offset_10| 1)) |v_#memory_int_13|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_41|, #memory_int=|v_#memory_int_14|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t1980~0.base=|v_ULTIMATE.start_main_~#t1980~0.base_12|, ULTIMATE.start_main_~#t1980~0.offset=|v_ULTIMATE.start_main_~#t1980~0.offset_10|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_40|, #memory_int=|v_#memory_int_13|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1980~0.base, ULTIMATE.start_main_~#t1980~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {3767#(= 0 ~y~0)} is VALID [2020-07-28 21:31:22,099 INFO L280 TraceCheckUtils]: 3: Hoare triple {3767#(= 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] {3767#(= 0 ~y~0)} is VALID [2020-07-28 21:31:22,100 INFO L280 TraceCheckUtils]: 4: Hoare triple {3767#(= 0 ~y~0)} [199] L770-1-->L772: Formula: (and (= (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t1981~0.base_10| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t1981~0.base_10|) |v_ULTIMATE.start_main_~#t1981~0.offset_9| 2)) |v_#memory_int_11|) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t1981~0.base_10|) (not (= 0 |v_ULTIMATE.start_main_~#t1981~0.base_10|)) (= 0 (select |v_#valid_34| |v_ULTIMATE.start_main_~#t1981~0.base_10|)) (= 0 |v_ULTIMATE.start_main_~#t1981~0.offset_9|) (= (store |v_#length_14| |v_ULTIMATE.start_main_~#t1981~0.base_10| 4) |v_#length_13|) (= |v_#valid_33| (store |v_#valid_34| |v_ULTIMATE.start_main_~#t1981~0.base_10| 1))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_12|, #length=|v_#length_14|} OutVars{ULTIMATE.start_main_~#t1981~0.offset=|v_ULTIMATE.start_main_~#t1981~0.offset_9|, #StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_33|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_4|, #memory_int=|v_#memory_int_11|, ULTIMATE.start_main_~#t1981~0.base=|v_ULTIMATE.start_main_~#t1981~0.base_10|, #length=|v_#length_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1981~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, ULTIMATE.start_main_~#t1981~0.base, #length] {3767#(= 0 ~y~0)} is VALID [2020-07-28 21:31:22,100 INFO L280 TraceCheckUtils]: 5: Hoare triple {3767#(= 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] {3767#(= 0 ~y~0)} is VALID [2020-07-28 21:31:22,101 INFO L280 TraceCheckUtils]: 6: Hoare triple {3767#(= 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_10 v_~__unbuffered_p2_EAX~0_18)) 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_10} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_4, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_4, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_18, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_10} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {3768#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:31:22,102 INFO L280 TraceCheckUtils]: 7: Hoare triple {3768#(= 0 ~__unbuffered_p2_EAX~0)} [215] L772-1-->L3: Formula: (and (= (mod v_~main$tmp_guard0~0_27 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_11|) (let ((.cse0 (= v_~__unbuffered_cnt~0_105 3))) (or (and .cse0 (= 1 v_~main$tmp_guard0~0_27)) (and (= 0 v_~main$tmp_guard0~0_27) (not .cse0)))) (= v_ULTIMATE.start_assume_abort_if_not_~cond_17 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_11|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_105} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_11|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_17, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_20|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_105, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_27} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {3768#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:31:22,103 INFO L280 TraceCheckUtils]: 8: Hoare triple {3768#(= 0 ~__unbuffered_p2_EAX~0)} [211] L3-->L782: Formula: (and (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_11)) (= (mod v_~main$tmp_guard1~0_18 256) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|) (let ((.cse1 (= 1 v_~__unbuffered_p2_EAX~0_26)) (.cse0 (= 2 v_~z~0_30)) (.cse2 (= 1 v_~__unbuffered_p1_EAX~0_20))) (or (and (or (not .cse0) (not .cse1) (not .cse2)) (= 1 v_~main$tmp_guard1~0_18)) (and .cse1 (= 0 v_~main$tmp_guard1~0_18) .cse0 .cse2)))) InVars {ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_11, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_20, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_26, ~z~0=v_~z~0_30} OutVars{ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_11, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_20, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_18, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_26, ~z~0=v_~z~0_30, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} AuxVars[] AssignedVars[~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {3769#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} is VALID [2020-07-28 21:31:22,104 INFO L280 TraceCheckUtils]: 9: Hoare triple {3769#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} [209] L782-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_11) (= v_ULTIMATE.start___VERIFIER_assert_~expression_11 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_11, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] {3766#false} is VALID [2020-07-28 21:31:22,105 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 21:31:22,105 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175058151] [2020-07-28 21:31:22,105 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:31:22,105 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 21:31:22,105 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876142] [2020-07-28 21:31:22,106 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-07-28 21:31:22,106 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:31:22,106 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 21:31:22,118 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 10 edges. 10 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:31:22,118 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 21:31:22,119 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:31:22,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 21:31:22,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 21:31:22,119 INFO L87 Difference]: Start difference. First operand 266 states and 752 transitions. Second operand 5 states. [2020-07-28 21:31:22,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:31:22,292 INFO L93 Difference]: Finished difference Result 314 states and 856 transitions. [2020-07-28 21:31:22,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 21:31:22,292 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-07-28 21:31:22,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:31:22,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:31:22,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 51 transitions. [2020-07-28 21:31:22,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:31:22,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 51 transitions. [2020-07-28 21:31:22,295 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 51 transitions. [2020-07-28 21:31:22,353 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:31:22,357 INFO L225 Difference]: With dead ends: 314 [2020-07-28 21:31:22,357 INFO L226 Difference]: Without dead ends: 170 [2020-07-28 21:31:22,358 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 21:31:22,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2020-07-28 21:31:22,362 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,362 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,362 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,362 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,362 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,363 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,363 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,363 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,363 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,363 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,364 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,364 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,364 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,364 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,364 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,364 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,365 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,365 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,365 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,365 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,365 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,366 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,366 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,366 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,366 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,366 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,366 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,367 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,367 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,367 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,367 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,367 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,368 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,368 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,368 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,368 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,368 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,369 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,369 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,369 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,369 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,369 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,370 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,370 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,370 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,370 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,370 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,371 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,371 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,371 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,371 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,371 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,372 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,372 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,372 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,372 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,372 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,372 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,373 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,373 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,373 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,373 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,373 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,374 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,374 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,374 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,374 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,374 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,374 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,375 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,375 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,375 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,375 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,375 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,376 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,376 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,376 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,376 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,376 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,377 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,377 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,377 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,377 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,377 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,378 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,378 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,378 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,378 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,378 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,378 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,379 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,379 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,379 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,379 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,379 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,380 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,380 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,380 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,380 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,380 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,381 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,381 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,381 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,381 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,381 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,382 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,382 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,382 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,382 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,382 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,383 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,383 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,383 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,383 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,383 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,384 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,384 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,384 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,384 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,384 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,385 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,385 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,385 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,385 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,385 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,386 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,386 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,386 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,386 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,386 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,387 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,387 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,387 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,387 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,387 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,388 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,388 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,388 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,388 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,388 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,389 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,389 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,389 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,389 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,389 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,390 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,390 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,390 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,390 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,391 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,391 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,391 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,391 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,391 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,392 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,392 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,392 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,392 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,392 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,393 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,393 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,393 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,393 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,394 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,394 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,394 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,394 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,395 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,395 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,395 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2020-07-28 21:31:22,395 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:31:22,396 INFO L82 GeneralOperation]: Start isEquivalent. First operand 170 states. Second operand 170 states. [2020-07-28 21:31:22,396 INFO L74 IsIncluded]: Start isIncluded. First operand 170 states. Second operand 170 states. [2020-07-28 21:31:22,396 INFO L87 Difference]: Start difference. First operand 170 states. Second operand 170 states. [2020-07-28 21:31:22,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:31:22,403 INFO L93 Difference]: Finished difference Result 170 states and 432 transitions. [2020-07-28 21:31:22,403 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 432 transitions. [2020-07-28 21:31:22,404 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:31:22,404 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:31:22,404 INFO L74 IsIncluded]: Start isIncluded. First operand 170 states. Second operand 170 states. [2020-07-28 21:31:22,404 INFO L87 Difference]: Start difference. First operand 170 states. Second operand 170 states. [2020-07-28 21:31:22,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:31:22,411 INFO L93 Difference]: Finished difference Result 170 states and 432 transitions. [2020-07-28 21:31:22,411 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 432 transitions. [2020-07-28 21:31:22,411 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:31:22,412 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:31:22,412 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:31:22,412 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:31:22,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-07-28 21:31:22,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 432 transitions. [2020-07-28 21:31:22,418 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 432 transitions. Word has length 10 [2020-07-28 21:31:22,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:31:22,418 INFO L479 AbstractCegarLoop]: Abstraction has 170 states and 432 transitions. [2020-07-28 21:31:22,418 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 21:31:22,418 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 432 transitions. [2020-07-28 21:31:22,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-28 21:31:22,419 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:31:22,419 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:31:22,419 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 21:31:22,419 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:31:22,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:31:22,420 INFO L82 PathProgramCache]: Analyzing trace with hash 1820296279, now seen corresponding path program 1 times [2020-07-28 21:31:22,420 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:31:22,420 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065139195] [2020-07-28 21:31:22,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:31:22,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:31:22,497 INFO L280 TraceCheckUtils]: 0: Hoare triple {4772#true} [225] ULTIMATE.startENTRY-->L768: Formula: (let ((.cse0 (store |v_#valid_59| 0 0))) (and (= 0 v_~main$tmp_guard0~0_40) (= 0 v_~__unbuffered_p1_EAX~0_27) (= 0 v_~x~0_17) (= (store .cse0 |v_ULTIMATE.start_main_~#t1979~0.base_26| 1) |v_#valid_57|) (= 0 v_~__unbuffered_p2_EAX~0_33) (= 0 v_~main$tmp_guard1~0_25) (= |v_#length_23| (store |v_#length_24| |v_ULTIMATE.start_main_~#t1979~0.base_26| 4)) (= 0 |v_ULTIMATE.start_main_~#t1979~0.offset_19|) (= 0 v_~z~0_36) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1979~0.base_26|)) (= 0 |v_#NULL.offset_4|) (= 0 v_~y~0_23) (= (store |v_#memory_int_22| |v_ULTIMATE.start_main_~#t1979~0.base_26| (store (select |v_#memory_int_22| |v_ULTIMATE.start_main_~#t1979~0.base_26|) |v_ULTIMATE.start_main_~#t1979~0.offset_19| 0)) |v_#memory_int_21|) (= v_~__unbuffered_cnt~0_147 0) (< 0 |v_#StackHeapBarrier_15|) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t1979~0.base_26|) (= 0 |v_#NULL.base_4|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_59|, #memory_int=|v_#memory_int_22|, #length=|v_#length_24|} OutVars{ULTIMATE.start_main_~#t1980~0.base=|v_ULTIMATE.start_main_~#t1980~0.base_20|, ULTIMATE.start_main_~#t1979~0.offset=|v_ULTIMATE.start_main_~#t1979~0.offset_19|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_32|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_9|, ULTIMATE.start_main_~#t1980~0.offset=|v_ULTIMATE.start_main_~#t1980~0.offset_16|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_8|, ULTIMATE.start_main_~#t1979~0.base=|v_ULTIMATE.start_main_~#t1979~0.base_26|, ULTIMATE.start_main_~#t1981~0.base=|v_ULTIMATE.start_main_~#t1981~0.base_20|, #NULL.offset=|v_#NULL.offset_4|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_25, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_40, #NULL.base=|v_#NULL.base_4|, ULTIMATE.start_main_~#t1981~0.offset=|v_ULTIMATE.start_main_~#t1981~0.offset_16|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_27, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_16|, #valid=|v_#valid_57|, #memory_int=|v_#memory_int_21|, #length=|v_#length_23|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_33, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_147, ~z~0=v_~z~0_36, ~y~0=v_~y~0_23, ~x~0=v_~x~0_17} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1980~0.base, ULTIMATE.start_main_~#t1979~0.offset, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~#t1980~0.offset, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~#t1979~0.base, ULTIMATE.start_main_~#t1981~0.base, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t1981~0.offset, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ~x~0] {4774#(= 0 ~x~0)} is VALID [2020-07-28 21:31:22,498 INFO L280 TraceCheckUtils]: 1: Hoare triple {4774#(= 0 ~x~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] {4774#(= 0 ~x~0)} is VALID [2020-07-28 21:31:22,499 INFO L280 TraceCheckUtils]: 2: Hoare triple {4774#(= 0 ~x~0)} [205] L768-1-->L770: Formula: (and (= 0 (select |v_#valid_41| |v_ULTIMATE.start_main_~#t1980~0.base_12|)) (not (= |v_ULTIMATE.start_main_~#t1980~0.base_12| 0)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t1980~0.base_12|) (= |v_#valid_40| (store |v_#valid_41| |v_ULTIMATE.start_main_~#t1980~0.base_12| 1)) (= 0 |v_ULTIMATE.start_main_~#t1980~0.offset_10|) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t1980~0.base_12| 4)) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1980~0.base_12| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1980~0.base_12|) |v_ULTIMATE.start_main_~#t1980~0.offset_10| 1)) |v_#memory_int_13|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_41|, #memory_int=|v_#memory_int_14|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t1980~0.base=|v_ULTIMATE.start_main_~#t1980~0.base_12|, ULTIMATE.start_main_~#t1980~0.offset=|v_ULTIMATE.start_main_~#t1980~0.offset_10|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_40|, #memory_int=|v_#memory_int_13|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1980~0.base, ULTIMATE.start_main_~#t1980~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {4774#(= 0 ~x~0)} is VALID [2020-07-28 21:31:22,500 INFO L280 TraceCheckUtils]: 3: Hoare triple {4774#(= 0 ~x~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] {4774#(= 0 ~x~0)} is VALID [2020-07-28 21:31:22,501 INFO L280 TraceCheckUtils]: 4: Hoare triple {4774#(= 0 ~x~0)} [195] P1ENTRY-->L730: Formula: (and (= v_~__unbuffered_p1_EAX~0_15 v_~x~0_7) (= |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_7} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_4, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_15, 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_7} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, ~__unbuffered_p1_EAX~0, P1Thread1of1ForFork1_~arg.base] {4775#(= 0 ~__unbuffered_p1_EAX~0)} is VALID [2020-07-28 21:31:22,501 INFO L280 TraceCheckUtils]: 5: Hoare triple {4775#(= 0 ~__unbuffered_p1_EAX~0)} [199] L770-1-->L772: Formula: (and (= (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t1981~0.base_10| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t1981~0.base_10|) |v_ULTIMATE.start_main_~#t1981~0.offset_9| 2)) |v_#memory_int_11|) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t1981~0.base_10|) (not (= 0 |v_ULTIMATE.start_main_~#t1981~0.base_10|)) (= 0 (select |v_#valid_34| |v_ULTIMATE.start_main_~#t1981~0.base_10|)) (= 0 |v_ULTIMATE.start_main_~#t1981~0.offset_9|) (= (store |v_#length_14| |v_ULTIMATE.start_main_~#t1981~0.base_10| 4) |v_#length_13|) (= |v_#valid_33| (store |v_#valid_34| |v_ULTIMATE.start_main_~#t1981~0.base_10| 1))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_12|, #length=|v_#length_14|} OutVars{ULTIMATE.start_main_~#t1981~0.offset=|v_ULTIMATE.start_main_~#t1981~0.offset_9|, #StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_33|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_4|, #memory_int=|v_#memory_int_11|, ULTIMATE.start_main_~#t1981~0.base=|v_ULTIMATE.start_main_~#t1981~0.base_10|, #length=|v_#length_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1981~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, ULTIMATE.start_main_~#t1981~0.base, #length] {4775#(= 0 ~__unbuffered_p1_EAX~0)} is VALID [2020-07-28 21:31:22,502 INFO L280 TraceCheckUtils]: 6: Hoare triple {4775#(= 0 ~__unbuffered_p1_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] {4775#(= 0 ~__unbuffered_p1_EAX~0)} is VALID [2020-07-28 21:31:22,503 INFO L280 TraceCheckUtils]: 7: Hoare triple {4775#(= 0 ~__unbuffered_p1_EAX~0)} [215] L772-1-->L3: Formula: (and (= (mod v_~main$tmp_guard0~0_27 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_11|) (let ((.cse0 (= v_~__unbuffered_cnt~0_105 3))) (or (and .cse0 (= 1 v_~main$tmp_guard0~0_27)) (and (= 0 v_~main$tmp_guard0~0_27) (not .cse0)))) (= v_ULTIMATE.start_assume_abort_if_not_~cond_17 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_11|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_105} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_11|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_17, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_20|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_105, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_27} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {4775#(= 0 ~__unbuffered_p1_EAX~0)} is VALID [2020-07-28 21:31:22,503 INFO L280 TraceCheckUtils]: 8: Hoare triple {4775#(= 0 ~__unbuffered_p1_EAX~0)} [154] L730-->L733: Formula: (= v_~y~0_1 1) InVars {} OutVars{~y~0=v_~y~0_1} AuxVars[] AssignedVars[~y~0] {4775#(= 0 ~__unbuffered_p1_EAX~0)} is VALID [2020-07-28 21:31:22,505 INFO L280 TraceCheckUtils]: 9: Hoare triple {4775#(= 0 ~__unbuffered_p1_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_10 v_~__unbuffered_p2_EAX~0_18)) 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_10} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_4, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_4, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_18, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_10} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {4775#(= 0 ~__unbuffered_p1_EAX~0)} is VALID [2020-07-28 21:31:22,506 INFO L280 TraceCheckUtils]: 10: Hoare triple {4775#(= 0 ~__unbuffered_p1_EAX~0)} [211] L3-->L782: Formula: (and (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_11)) (= (mod v_~main$tmp_guard1~0_18 256) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|) (let ((.cse1 (= 1 v_~__unbuffered_p2_EAX~0_26)) (.cse0 (= 2 v_~z~0_30)) (.cse2 (= 1 v_~__unbuffered_p1_EAX~0_20))) (or (and (or (not .cse0) (not .cse1) (not .cse2)) (= 1 v_~main$tmp_guard1~0_18)) (and .cse1 (= 0 v_~main$tmp_guard1~0_18) .cse0 .cse2)))) InVars {ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_11, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_20, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_26, ~z~0=v_~z~0_30} OutVars{ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_11, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_20, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_18, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_26, ~z~0=v_~z~0_30, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} AuxVars[] AssignedVars[~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {4776#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} is VALID [2020-07-28 21:31:22,513 INFO L280 TraceCheckUtils]: 11: Hoare triple {4776#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} [209] L782-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_11) (= v_ULTIMATE.start___VERIFIER_assert_~expression_11 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_11, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] {4773#false} is VALID [2020-07-28 21:31:22,514 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 21:31:22,514 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065139195] [2020-07-28 21:31:22,514 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:31:22,514 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 21:31:22,515 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232494014] [2020-07-28 21:31:22,515 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-07-28 21:31:22,515 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:31:22,515 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 21:31:22,531 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 21:31:22,532 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 21:31:22,532 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:31:22,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 21:31:22,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 21:31:22,533 INFO L87 Difference]: Start difference. First operand 170 states and 432 transitions. Second operand 5 states. [2020-07-28 21:31:22,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:31:22,669 INFO L93 Difference]: Finished difference Result 218 states and 532 transitions. [2020-07-28 21:31:22,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 21:31:22,670 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-07-28 21:31:22,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:31:22,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:31:22,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 51 transitions. [2020-07-28 21:31:22,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:31:22,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 51 transitions. [2020-07-28 21:31:22,672 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 51 transitions. [2020-07-28 21:31:22,749 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:31:22,751 INFO L225 Difference]: With dead ends: 218 [2020-07-28 21:31:22,751 INFO L226 Difference]: Without dead ends: 98 [2020-07-28 21:31:22,752 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 21:31:22,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-07-28 21:31:22,755 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,755 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,756 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,756 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,757 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,757 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,758 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,758 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,758 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,759 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,759 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,759 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,759 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,760 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,760 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,760 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,760 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,760 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,761 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,761 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,761 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,762 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,762 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,762 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,762 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,762 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,763 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,763 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,763 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,763 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,764 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,764 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,764 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,764 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,765 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,765 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,765 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,765 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,766 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,766 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,766 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,766 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,767 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,767 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,767 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,767 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,768 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,768 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,768 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,768 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,768 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,769 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,769 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,769 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,769 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,770 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,770 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,770 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,770 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,771 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,771 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,771 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,771 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,772 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,772 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,772 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,772 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,773 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,773 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,773 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,773 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,774 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,774 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,774 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,774 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,775 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,775 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,775 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,775 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,776 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,776 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,776 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,776 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,777 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,777 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,777 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,777 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,778 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,778 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,778 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,778 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,779 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,779 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,779 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,779 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,780 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,780 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,780 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2020-07-28 21:31:22,781 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:31:22,781 INFO L82 GeneralOperation]: Start isEquivalent. First operand 98 states. Second operand 98 states. [2020-07-28 21:31:22,781 INFO L74 IsIncluded]: Start isIncluded. First operand 98 states. Second operand 98 states. [2020-07-28 21:31:22,781 INFO L87 Difference]: Start difference. First operand 98 states. Second operand 98 states. [2020-07-28 21:31:22,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:31:22,785 INFO L93 Difference]: Finished difference Result 98 states and 218 transitions. [2020-07-28 21:31:22,785 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 218 transitions. [2020-07-28 21:31:22,786 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:31:22,786 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:31:22,786 INFO L74 IsIncluded]: Start isIncluded. First operand 98 states. Second operand 98 states. [2020-07-28 21:31:22,786 INFO L87 Difference]: Start difference. First operand 98 states. Second operand 98 states. [2020-07-28 21:31:22,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:31:22,790 INFO L93 Difference]: Finished difference Result 98 states and 218 transitions. [2020-07-28 21:31:22,790 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 218 transitions. [2020-07-28 21:31:22,790 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:31:22,790 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:31:22,791 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:31:22,791 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:31:22,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-07-28 21:31:22,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 218 transitions. [2020-07-28 21:31:22,794 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 218 transitions. Word has length 12 [2020-07-28 21:31:22,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:31:22,795 INFO L479 AbstractCegarLoop]: Abstraction has 98 states and 218 transitions. [2020-07-28 21:31:22,795 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 21:31:22,795 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 218 transitions. [2020-07-28 21:31:22,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-07-28 21:31:22,796 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:31:22,797 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:31:22,797 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 21:31:22,797 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:31:22,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:31:22,798 INFO L82 PathProgramCache]: Analyzing trace with hash -484565939, now seen corresponding path program 1 times [2020-07-28 21:31:22,798 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:31:22,798 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230131191] [2020-07-28 21:31:22,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:31:22,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:31:22,941 INFO L280 TraceCheckUtils]: 0: Hoare triple {5395#true} [225] ULTIMATE.startENTRY-->L768: Formula: (let ((.cse0 (store |v_#valid_59| 0 0))) (and (= 0 v_~main$tmp_guard0~0_40) (= 0 v_~__unbuffered_p1_EAX~0_27) (= 0 v_~x~0_17) (= (store .cse0 |v_ULTIMATE.start_main_~#t1979~0.base_26| 1) |v_#valid_57|) (= 0 v_~__unbuffered_p2_EAX~0_33) (= 0 v_~main$tmp_guard1~0_25) (= |v_#length_23| (store |v_#length_24| |v_ULTIMATE.start_main_~#t1979~0.base_26| 4)) (= 0 |v_ULTIMATE.start_main_~#t1979~0.offset_19|) (= 0 v_~z~0_36) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1979~0.base_26|)) (= 0 |v_#NULL.offset_4|) (= 0 v_~y~0_23) (= (store |v_#memory_int_22| |v_ULTIMATE.start_main_~#t1979~0.base_26| (store (select |v_#memory_int_22| |v_ULTIMATE.start_main_~#t1979~0.base_26|) |v_ULTIMATE.start_main_~#t1979~0.offset_19| 0)) |v_#memory_int_21|) (= v_~__unbuffered_cnt~0_147 0) (< 0 |v_#StackHeapBarrier_15|) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t1979~0.base_26|) (= 0 |v_#NULL.base_4|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_59|, #memory_int=|v_#memory_int_22|, #length=|v_#length_24|} OutVars{ULTIMATE.start_main_~#t1980~0.base=|v_ULTIMATE.start_main_~#t1980~0.base_20|, ULTIMATE.start_main_~#t1979~0.offset=|v_ULTIMATE.start_main_~#t1979~0.offset_19|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_32|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_9|, ULTIMATE.start_main_~#t1980~0.offset=|v_ULTIMATE.start_main_~#t1980~0.offset_16|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_8|, ULTIMATE.start_main_~#t1979~0.base=|v_ULTIMATE.start_main_~#t1979~0.base_26|, ULTIMATE.start_main_~#t1981~0.base=|v_ULTIMATE.start_main_~#t1981~0.base_20|, #NULL.offset=|v_#NULL.offset_4|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_25, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_40, #NULL.base=|v_#NULL.base_4|, ULTIMATE.start_main_~#t1981~0.offset=|v_ULTIMATE.start_main_~#t1981~0.offset_16|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_27, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_16|, #valid=|v_#valid_57|, #memory_int=|v_#memory_int_21|, #length=|v_#length_23|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_33, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_147, ~z~0=v_~z~0_36, ~y~0=v_~y~0_23, ~x~0=v_~x~0_17} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1980~0.base, ULTIMATE.start_main_~#t1979~0.offset, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~#t1980~0.offset, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~#t1979~0.base, ULTIMATE.start_main_~#t1981~0.base, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t1981~0.offset, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ~x~0] {5397#(<= ~__unbuffered_cnt~0 0)} is VALID [2020-07-28 21:31:22,942 INFO L280 TraceCheckUtils]: 1: Hoare triple {5397#(<= ~__unbuffered_cnt~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] {5397#(<= ~__unbuffered_cnt~0 0)} is VALID [2020-07-28 21:31:22,943 INFO L280 TraceCheckUtils]: 2: Hoare triple {5397#(<= ~__unbuffered_cnt~0 0)} [205] L768-1-->L770: Formula: (and (= 0 (select |v_#valid_41| |v_ULTIMATE.start_main_~#t1980~0.base_12|)) (not (= |v_ULTIMATE.start_main_~#t1980~0.base_12| 0)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t1980~0.base_12|) (= |v_#valid_40| (store |v_#valid_41| |v_ULTIMATE.start_main_~#t1980~0.base_12| 1)) (= 0 |v_ULTIMATE.start_main_~#t1980~0.offset_10|) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t1980~0.base_12| 4)) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1980~0.base_12| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1980~0.base_12|) |v_ULTIMATE.start_main_~#t1980~0.offset_10| 1)) |v_#memory_int_13|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_41|, #memory_int=|v_#memory_int_14|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t1980~0.base=|v_ULTIMATE.start_main_~#t1980~0.base_12|, ULTIMATE.start_main_~#t1980~0.offset=|v_ULTIMATE.start_main_~#t1980~0.offset_10|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_40|, #memory_int=|v_#memory_int_13|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1980~0.base, ULTIMATE.start_main_~#t1980~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {5397#(<= ~__unbuffered_cnt~0 0)} is VALID [2020-07-28 21:31:22,944 INFO L280 TraceCheckUtils]: 3: Hoare triple {5397#(<= ~__unbuffered_cnt~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] {5397#(<= ~__unbuffered_cnt~0 0)} is VALID [2020-07-28 21:31:22,945 INFO L280 TraceCheckUtils]: 4: Hoare triple {5397#(<= ~__unbuffered_cnt~0 0)} [199] L770-1-->L772: Formula: (and (= (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t1981~0.base_10| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t1981~0.base_10|) |v_ULTIMATE.start_main_~#t1981~0.offset_9| 2)) |v_#memory_int_11|) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t1981~0.base_10|) (not (= 0 |v_ULTIMATE.start_main_~#t1981~0.base_10|)) (= 0 (select |v_#valid_34| |v_ULTIMATE.start_main_~#t1981~0.base_10|)) (= 0 |v_ULTIMATE.start_main_~#t1981~0.offset_9|) (= (store |v_#length_14| |v_ULTIMATE.start_main_~#t1981~0.base_10| 4) |v_#length_13|) (= |v_#valid_33| (store |v_#valid_34| |v_ULTIMATE.start_main_~#t1981~0.base_10| 1))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_12|, #length=|v_#length_14|} OutVars{ULTIMATE.start_main_~#t1981~0.offset=|v_ULTIMATE.start_main_~#t1981~0.offset_9|, #StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_33|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_4|, #memory_int=|v_#memory_int_11|, ULTIMATE.start_main_~#t1981~0.base=|v_ULTIMATE.start_main_~#t1981~0.base_10|, #length=|v_#length_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1981~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, ULTIMATE.start_main_~#t1981~0.base, #length] {5397#(<= ~__unbuffered_cnt~0 0)} is VALID [2020-07-28 21:31:22,945 INFO L280 TraceCheckUtils]: 5: Hoare triple {5397#(<= ~__unbuffered_cnt~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] {5397#(<= ~__unbuffered_cnt~0 0)} is VALID [2020-07-28 21:31:22,947 INFO L280 TraceCheckUtils]: 6: Hoare triple {5397#(<= ~__unbuffered_cnt~0 0)} [215] L772-1-->L3: Formula: (and (= (mod v_~main$tmp_guard0~0_27 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_11|) (let ((.cse0 (= v_~__unbuffered_cnt~0_105 3))) (or (and .cse0 (= 1 v_~main$tmp_guard0~0_27)) (and (= 0 v_~main$tmp_guard0~0_27) (not .cse0)))) (= v_ULTIMATE.start_assume_abort_if_not_~cond_17 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_11|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_105} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_11|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_17, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_20|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_105, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_27} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {5398#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} is VALID [2020-07-28 21:31:22,950 INFO L280 TraceCheckUtils]: 7: Hoare triple {5398#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} [174] P0ENTRY-->L715: Formula: (and (= 2 v_~z~0_5) (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= v_P0Thread1of1ForFork0_~arg.base_4 |v_P0Thread1of1ForFork0_#in~arg.base_4|)) InVars {P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~z~0=v_~z~0_5, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_4, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_4} AuxVars[] AssignedVars[~z~0, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {5398#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} is VALID [2020-07-28 21:31:22,951 INFO L280 TraceCheckUtils]: 8: Hoare triple {5398#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} [148] L715-->L718: Formula: (= v_~x~0_1 1) InVars {} OutVars{~x~0=v_~x~0_1} AuxVars[] AssignedVars[~x~0] {5398#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} is VALID [2020-07-28 21:31:22,952 INFO L280 TraceCheckUtils]: 9: Hoare triple {5398#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} [195] P1ENTRY-->L730: Formula: (and (= v_~__unbuffered_p1_EAX~0_15 v_~x~0_7) (= |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_7} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_4, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_15, 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_7} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, ~__unbuffered_p1_EAX~0, P1Thread1of1ForFork1_~arg.base] {5398#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} is VALID [2020-07-28 21:31:22,953 INFO L280 TraceCheckUtils]: 10: Hoare triple {5398#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} [154] L730-->L733: Formula: (= v_~y~0_1 1) InVars {} OutVars{~y~0=v_~y~0_1} AuxVars[] AssignedVars[~y~0] {5398#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} is VALID [2020-07-28 21:31:22,955 INFO L280 TraceCheckUtils]: 11: Hoare triple {5398#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} [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_10 v_~__unbuffered_p2_EAX~0_18)) 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_10} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_4, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_4, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_18, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_10} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {5398#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} is VALID [2020-07-28 21:31:22,956 INFO L280 TraceCheckUtils]: 12: Hoare triple {5398#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} [211] L3-->L782: Formula: (and (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_11)) (= (mod v_~main$tmp_guard1~0_18 256) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|) (let ((.cse1 (= 1 v_~__unbuffered_p2_EAX~0_26)) (.cse0 (= 2 v_~z~0_30)) (.cse2 (= 1 v_~__unbuffered_p1_EAX~0_20))) (or (and (or (not .cse0) (not .cse1) (not .cse2)) (= 1 v_~main$tmp_guard1~0_18)) (and .cse1 (= 0 v_~main$tmp_guard1~0_18) .cse0 .cse2)))) InVars {ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_11, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_20, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_26, ~z~0=v_~z~0_30} OutVars{ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_11, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_20, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_18, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_26, ~z~0=v_~z~0_30, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} AuxVars[] AssignedVars[~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {5396#false} is VALID [2020-07-28 21:31:22,957 INFO L280 TraceCheckUtils]: 13: Hoare triple {5396#false} [209] L782-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_11) (= v_ULTIMATE.start___VERIFIER_assert_~expression_11 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_11, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] {5396#false} is VALID [2020-07-28 21:31:22,960 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 21:31:22,960 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230131191] [2020-07-28 21:31:22,961 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:31:22,961 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 21:31:22,961 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546294721] [2020-07-28 21:31:22,961 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-07-28 21:31:22,962 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:31:22,962 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 21:31:22,985 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 14 edges. 14 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:31:22,985 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 21:31:22,986 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:31:22,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 21:31:22,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 21:31:22,987 INFO L87 Difference]: Start difference. First operand 98 states and 218 transitions. Second operand 4 states. [2020-07-28 21:31:23,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:31:23,124 INFO L93 Difference]: Finished difference Result 109 states and 223 transitions. [2020-07-28 21:31:23,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 21:31:23,124 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-07-28 21:31:23,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:31:23,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:31:23,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 48 transitions. [2020-07-28 21:31:23,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:31:23,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 48 transitions. [2020-07-28 21:31:23,127 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 48 transitions. [2020-07-28 21:31:23,194 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 48 edges. 48 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:31:23,195 INFO L225 Difference]: With dead ends: 109 [2020-07-28 21:31:23,195 INFO L226 Difference]: Without dead ends: 87 [2020-07-28 21:31:23,196 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-28 21:31:23,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-07-28 21:31:23,198 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,199 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,199 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,199 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,199 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,200 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,200 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,200 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,200 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,201 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,201 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,201 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,201 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,201 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,202 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,202 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,202 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,202 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,203 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,203 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,203 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,203 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,204 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,204 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,204 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,204 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,205 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,205 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,205 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,205 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,206 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,206 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,206 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,206 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,206 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,207 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,207 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,207 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,208 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,208 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,208 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,208 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,209 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,209 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,209 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,209 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,209 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,210 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,210 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,210 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,210 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,211 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,211 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,211 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,211 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,212 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,212 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,212 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,212 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,213 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,213 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,213 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,213 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,214 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,214 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,214 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,214 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,214 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,215 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,215 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,215 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,215 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,215 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,216 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,216 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,216 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,216 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,216 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,217 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,217 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,217 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,217 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,217 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,217 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,218 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,218 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,218 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2020-07-28 21:31:23,219 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:31:23,219 INFO L82 GeneralOperation]: Start isEquivalent. First operand 87 states. Second operand 87 states. [2020-07-28 21:31:23,219 INFO L74 IsIncluded]: Start isIncluded. First operand 87 states. Second operand 87 states. [2020-07-28 21:31:23,219 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 87 states. [2020-07-28 21:31:23,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:31:23,222 INFO L93 Difference]: Finished difference Result 87 states and 180 transitions. [2020-07-28 21:31:23,222 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 180 transitions. [2020-07-28 21:31:23,222 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:31:23,222 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:31:23,222 INFO L74 IsIncluded]: Start isIncluded. First operand 87 states. Second operand 87 states. [2020-07-28 21:31:23,223 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 87 states. [2020-07-28 21:31:23,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:31:23,225 INFO L93 Difference]: Finished difference Result 87 states and 180 transitions. [2020-07-28 21:31:23,226 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 180 transitions. [2020-07-28 21:31:23,226 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:31:23,226 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:31:23,227 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:31:23,227 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:31:23,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-07-28 21:31:23,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 180 transitions. [2020-07-28 21:31:23,229 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 180 transitions. Word has length 14 [2020-07-28 21:31:23,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:31:23,230 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 180 transitions. [2020-07-28 21:31:23,230 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 21:31:23,230 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 180 transitions. [2020-07-28 21:31:23,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-07-28 21:31:23,231 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:31:23,231 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:31:23,231 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 21:31:23,231 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:31:23,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:31:23,232 INFO L82 PathProgramCache]: Analyzing trace with hash -1643108637, now seen corresponding path program 1 times [2020-07-28 21:31:23,232 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:31:23,232 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466181948] [2020-07-28 21:31:23,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:31:23,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:31:23,333 INFO L280 TraceCheckUtils]: 0: Hoare triple {5860#true} [225] ULTIMATE.startENTRY-->L768: Formula: (let ((.cse0 (store |v_#valid_59| 0 0))) (and (= 0 v_~main$tmp_guard0~0_40) (= 0 v_~__unbuffered_p1_EAX~0_27) (= 0 v_~x~0_17) (= (store .cse0 |v_ULTIMATE.start_main_~#t1979~0.base_26| 1) |v_#valid_57|) (= 0 v_~__unbuffered_p2_EAX~0_33) (= 0 v_~main$tmp_guard1~0_25) (= |v_#length_23| (store |v_#length_24| |v_ULTIMATE.start_main_~#t1979~0.base_26| 4)) (= 0 |v_ULTIMATE.start_main_~#t1979~0.offset_19|) (= 0 v_~z~0_36) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1979~0.base_26|)) (= 0 |v_#NULL.offset_4|) (= 0 v_~y~0_23) (= (store |v_#memory_int_22| |v_ULTIMATE.start_main_~#t1979~0.base_26| (store (select |v_#memory_int_22| |v_ULTIMATE.start_main_~#t1979~0.base_26|) |v_ULTIMATE.start_main_~#t1979~0.offset_19| 0)) |v_#memory_int_21|) (= v_~__unbuffered_cnt~0_147 0) (< 0 |v_#StackHeapBarrier_15|) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t1979~0.base_26|) (= 0 |v_#NULL.base_4|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_59|, #memory_int=|v_#memory_int_22|, #length=|v_#length_24|} OutVars{ULTIMATE.start_main_~#t1980~0.base=|v_ULTIMATE.start_main_~#t1980~0.base_20|, ULTIMATE.start_main_~#t1979~0.offset=|v_ULTIMATE.start_main_~#t1979~0.offset_19|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_32|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_9|, ULTIMATE.start_main_~#t1980~0.offset=|v_ULTIMATE.start_main_~#t1980~0.offset_16|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_8|, ULTIMATE.start_main_~#t1979~0.base=|v_ULTIMATE.start_main_~#t1979~0.base_26|, ULTIMATE.start_main_~#t1981~0.base=|v_ULTIMATE.start_main_~#t1981~0.base_20|, #NULL.offset=|v_#NULL.offset_4|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_25, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_40, #NULL.base=|v_#NULL.base_4|, ULTIMATE.start_main_~#t1981~0.offset=|v_ULTIMATE.start_main_~#t1981~0.offset_16|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_27, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_16|, #valid=|v_#valid_57|, #memory_int=|v_#memory_int_21|, #length=|v_#length_23|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_33, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_147, ~z~0=v_~z~0_36, ~y~0=v_~y~0_23, ~x~0=v_~x~0_17} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1980~0.base, ULTIMATE.start_main_~#t1979~0.offset, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~#t1980~0.offset, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~#t1979~0.base, ULTIMATE.start_main_~#t1981~0.base, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t1981~0.offset, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ~x~0] {5862#(<= ~__unbuffered_cnt~0 0)} is VALID [2020-07-28 21:31:23,334 INFO L280 TraceCheckUtils]: 1: Hoare triple {5862#(<= ~__unbuffered_cnt~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] {5862#(<= ~__unbuffered_cnt~0 0)} is VALID [2020-07-28 21:31:23,335 INFO L280 TraceCheckUtils]: 2: Hoare triple {5862#(<= ~__unbuffered_cnt~0 0)} [205] L768-1-->L770: Formula: (and (= 0 (select |v_#valid_41| |v_ULTIMATE.start_main_~#t1980~0.base_12|)) (not (= |v_ULTIMATE.start_main_~#t1980~0.base_12| 0)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t1980~0.base_12|) (= |v_#valid_40| (store |v_#valid_41| |v_ULTIMATE.start_main_~#t1980~0.base_12| 1)) (= 0 |v_ULTIMATE.start_main_~#t1980~0.offset_10|) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t1980~0.base_12| 4)) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1980~0.base_12| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1980~0.base_12|) |v_ULTIMATE.start_main_~#t1980~0.offset_10| 1)) |v_#memory_int_13|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_41|, #memory_int=|v_#memory_int_14|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t1980~0.base=|v_ULTIMATE.start_main_~#t1980~0.base_12|, ULTIMATE.start_main_~#t1980~0.offset=|v_ULTIMATE.start_main_~#t1980~0.offset_10|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_40|, #memory_int=|v_#memory_int_13|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1980~0.base, ULTIMATE.start_main_~#t1980~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {5862#(<= ~__unbuffered_cnt~0 0)} is VALID [2020-07-28 21:31:23,336 INFO L280 TraceCheckUtils]: 3: Hoare triple {5862#(<= ~__unbuffered_cnt~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] {5862#(<= ~__unbuffered_cnt~0 0)} is VALID [2020-07-28 21:31:23,336 INFO L280 TraceCheckUtils]: 4: Hoare triple {5862#(<= ~__unbuffered_cnt~0 0)} [199] L770-1-->L772: Formula: (and (= (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t1981~0.base_10| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t1981~0.base_10|) |v_ULTIMATE.start_main_~#t1981~0.offset_9| 2)) |v_#memory_int_11|) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t1981~0.base_10|) (not (= 0 |v_ULTIMATE.start_main_~#t1981~0.base_10|)) (= 0 (select |v_#valid_34| |v_ULTIMATE.start_main_~#t1981~0.base_10|)) (= 0 |v_ULTIMATE.start_main_~#t1981~0.offset_9|) (= (store |v_#length_14| |v_ULTIMATE.start_main_~#t1981~0.base_10| 4) |v_#length_13|) (= |v_#valid_33| (store |v_#valid_34| |v_ULTIMATE.start_main_~#t1981~0.base_10| 1))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_12|, #length=|v_#length_14|} OutVars{ULTIMATE.start_main_~#t1981~0.offset=|v_ULTIMATE.start_main_~#t1981~0.offset_9|, #StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_33|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_4|, #memory_int=|v_#memory_int_11|, ULTIMATE.start_main_~#t1981~0.base=|v_ULTIMATE.start_main_~#t1981~0.base_10|, #length=|v_#length_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1981~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, ULTIMATE.start_main_~#t1981~0.base, #length] {5862#(<= ~__unbuffered_cnt~0 0)} is VALID [2020-07-28 21:31:23,337 INFO L280 TraceCheckUtils]: 5: Hoare triple {5862#(<= ~__unbuffered_cnt~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] {5862#(<= ~__unbuffered_cnt~0 0)} is VALID [2020-07-28 21:31:23,338 INFO L280 TraceCheckUtils]: 6: Hoare triple {5862#(<= ~__unbuffered_cnt~0 0)} [174] P0ENTRY-->L715: Formula: (and (= 2 v_~z~0_5) (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= v_P0Thread1of1ForFork0_~arg.base_4 |v_P0Thread1of1ForFork0_#in~arg.base_4|)) InVars {P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~z~0=v_~z~0_5, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_4, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_4} AuxVars[] AssignedVars[~z~0, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {5862#(<= ~__unbuffered_cnt~0 0)} is VALID [2020-07-28 21:31:23,338 INFO L280 TraceCheckUtils]: 7: Hoare triple {5862#(<= ~__unbuffered_cnt~0 0)} [148] L715-->L718: Formula: (= v_~x~0_1 1) InVars {} OutVars{~x~0=v_~x~0_1} AuxVars[] AssignedVars[~x~0] {5862#(<= ~__unbuffered_cnt~0 0)} is VALID [2020-07-28 21:31:23,339 INFO L280 TraceCheckUtils]: 8: Hoare triple {5862#(<= ~__unbuffered_cnt~0 0)} [208] L718-->P0EXIT: Formula: (and (= 0 |v_P0Thread1of1ForFork0_#res.base_11|) (= (+ v_~__unbuffered_cnt~0_77 1) v_~__unbuffered_cnt~0_76) (= 0 |v_P0Thread1of1ForFork0_#res.offset_11|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_77} OutVars{P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_11|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_11|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_76} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_#res.base, ~__unbuffered_cnt~0] {5863#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:31:23,340 INFO L280 TraceCheckUtils]: 9: Hoare triple {5863#(<= ~__unbuffered_cnt~0 1)} [195] P1ENTRY-->L730: Formula: (and (= v_~__unbuffered_p1_EAX~0_15 v_~x~0_7) (= |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_7} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_4, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_15, 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_7} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, ~__unbuffered_p1_EAX~0, P1Thread1of1ForFork1_~arg.base] {5863#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:31:23,342 INFO L280 TraceCheckUtils]: 10: Hoare triple {5863#(<= ~__unbuffered_cnt~0 1)} [215] L772-1-->L3: Formula: (and (= (mod v_~main$tmp_guard0~0_27 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_11|) (let ((.cse0 (= v_~__unbuffered_cnt~0_105 3))) (or (and .cse0 (= 1 v_~main$tmp_guard0~0_27)) (and (= 0 v_~main$tmp_guard0~0_27) (not .cse0)))) (= v_ULTIMATE.start_assume_abort_if_not_~cond_17 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_11|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_105} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_11|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_17, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_20|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_105, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_27} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {5864#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} is VALID [2020-07-28 21:31:23,342 INFO L280 TraceCheckUtils]: 11: Hoare triple {5864#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} [154] L730-->L733: Formula: (= v_~y~0_1 1) InVars {} OutVars{~y~0=v_~y~0_1} AuxVars[] AssignedVars[~y~0] {5864#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} is VALID [2020-07-28 21:31:23,343 INFO L280 TraceCheckUtils]: 12: Hoare triple {5864#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} [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_10 v_~__unbuffered_p2_EAX~0_18)) 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_10} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_4, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_4, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_18, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_10} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {5864#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} is VALID [2020-07-28 21:31:23,344 INFO L280 TraceCheckUtils]: 13: Hoare triple {5864#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} [211] L3-->L782: Formula: (and (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_11)) (= (mod v_~main$tmp_guard1~0_18 256) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|) (let ((.cse1 (= 1 v_~__unbuffered_p2_EAX~0_26)) (.cse0 (= 2 v_~z~0_30)) (.cse2 (= 1 v_~__unbuffered_p1_EAX~0_20))) (or (and (or (not .cse0) (not .cse1) (not .cse2)) (= 1 v_~main$tmp_guard1~0_18)) (and .cse1 (= 0 v_~main$tmp_guard1~0_18) .cse0 .cse2)))) InVars {ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_11, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_20, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_26, ~z~0=v_~z~0_30} OutVars{ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_11, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_20, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_18, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_26, ~z~0=v_~z~0_30, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} AuxVars[] AssignedVars[~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {5861#false} is VALID [2020-07-28 21:31:23,344 INFO L280 TraceCheckUtils]: 14: Hoare triple {5861#false} [209] L782-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_11) (= v_ULTIMATE.start___VERIFIER_assert_~expression_11 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_11, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] {5861#false} is VALID [2020-07-28 21:31:23,345 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 21:31:23,345 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466181948] [2020-07-28 21:31:23,345 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:31:23,345 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 21:31:23,346 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305964689] [2020-07-28 21:31:23,346 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-07-28 21:31:23,347 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:31:23,347 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 21:31:23,365 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 15 edges. 15 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:31:23,365 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 21:31:23,365 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:31:23,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 21:31:23,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-28 21:31:23,366 INFO L87 Difference]: Start difference. First operand 87 states and 180 transitions. Second operand 5 states. [2020-07-28 21:31:23,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:31:23,496 INFO L93 Difference]: Finished difference Result 83 states and 155 transitions. [2020-07-28 21:31:23,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 21:31:23,496 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-07-28 21:31:23,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:31:23,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:31:23,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 51 transitions. [2020-07-28 21:31:23,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:31:23,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 51 transitions. [2020-07-28 21:31:23,498 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 51 transitions. [2020-07-28 21:31:23,569 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:31:23,571 INFO L225 Difference]: With dead ends: 83 [2020-07-28 21:31:23,571 INFO L226 Difference]: Without dead ends: 68 [2020-07-28 21:31:23,571 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-28 21:31:23,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-07-28 21:31:23,573 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,573 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,574 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,575 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,575 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,575 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,575 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,575 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,576 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,576 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,576 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,577 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,577 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,577 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,577 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,578 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,578 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,578 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,578 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,579 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,579 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,579 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,579 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,580 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,580 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,580 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,581 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,581 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,581 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,581 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,582 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,582 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,582 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,582 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,583 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,583 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,583 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,583 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,584 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,584 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,584 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,585 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,585 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,585 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,585 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,586 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,586 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,586 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,586 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,587 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,587 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,587 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,587 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,588 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,588 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,588 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,589 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,589 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,589 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,589 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,590 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,590 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,590 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,590 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,591 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,591 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,591 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,592 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2020-07-28 21:31:23,592 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:31:23,592 INFO L82 GeneralOperation]: Start isEquivalent. First operand 68 states. Second operand 68 states. [2020-07-28 21:31:23,593 INFO L74 IsIncluded]: Start isIncluded. First operand 68 states. Second operand 68 states. [2020-07-28 21:31:23,593 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 68 states. [2020-07-28 21:31:23,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:31:23,595 INFO L93 Difference]: Finished difference Result 68 states and 125 transitions. [2020-07-28 21:31:23,595 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 125 transitions. [2020-07-28 21:31:23,595 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:31:23,596 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:31:23,596 INFO L74 IsIncluded]: Start isIncluded. First operand 68 states. Second operand 68 states. [2020-07-28 21:31:23,596 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 68 states. [2020-07-28 21:31:23,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:31:23,598 INFO L93 Difference]: Finished difference Result 68 states and 125 transitions. [2020-07-28 21:31:23,598 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 125 transitions. [2020-07-28 21:31:23,599 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:31:23,599 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:31:23,599 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:31:23,599 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:31:23,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-07-28 21:31:23,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 125 transitions. [2020-07-28 21:31:23,601 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 125 transitions. Word has length 15 [2020-07-28 21:31:23,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:31:23,602 INFO L479 AbstractCegarLoop]: Abstraction has 68 states and 125 transitions. [2020-07-28 21:31:23,602 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 21:31:23,602 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 125 transitions. [2020-07-28 21:31:23,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-28 21:31:23,603 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:31:23,603 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:31:23,603 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 21:31:23,604 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:31:23,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:31:23,604 INFO L82 PathProgramCache]: Analyzing trace with hash -1105925332, now seen corresponding path program 1 times [2020-07-28 21:31:23,605 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:31:23,605 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002580206] [2020-07-28 21:31:23,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:31:23,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:31:23,711 INFO L280 TraceCheckUtils]: 0: Hoare triple {6224#true} [225] ULTIMATE.startENTRY-->L768: Formula: (let ((.cse0 (store |v_#valid_59| 0 0))) (and (= 0 v_~main$tmp_guard0~0_40) (= 0 v_~__unbuffered_p1_EAX~0_27) (= 0 v_~x~0_17) (= (store .cse0 |v_ULTIMATE.start_main_~#t1979~0.base_26| 1) |v_#valid_57|) (= 0 v_~__unbuffered_p2_EAX~0_33) (= 0 v_~main$tmp_guard1~0_25) (= |v_#length_23| (store |v_#length_24| |v_ULTIMATE.start_main_~#t1979~0.base_26| 4)) (= 0 |v_ULTIMATE.start_main_~#t1979~0.offset_19|) (= 0 v_~z~0_36) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1979~0.base_26|)) (= 0 |v_#NULL.offset_4|) (= 0 v_~y~0_23) (= (store |v_#memory_int_22| |v_ULTIMATE.start_main_~#t1979~0.base_26| (store (select |v_#memory_int_22| |v_ULTIMATE.start_main_~#t1979~0.base_26|) |v_ULTIMATE.start_main_~#t1979~0.offset_19| 0)) |v_#memory_int_21|) (= v_~__unbuffered_cnt~0_147 0) (< 0 |v_#StackHeapBarrier_15|) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t1979~0.base_26|) (= 0 |v_#NULL.base_4|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_59|, #memory_int=|v_#memory_int_22|, #length=|v_#length_24|} OutVars{ULTIMATE.start_main_~#t1980~0.base=|v_ULTIMATE.start_main_~#t1980~0.base_20|, ULTIMATE.start_main_~#t1979~0.offset=|v_ULTIMATE.start_main_~#t1979~0.offset_19|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_32|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_9|, ULTIMATE.start_main_~#t1980~0.offset=|v_ULTIMATE.start_main_~#t1980~0.offset_16|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_8|, ULTIMATE.start_main_~#t1979~0.base=|v_ULTIMATE.start_main_~#t1979~0.base_26|, ULTIMATE.start_main_~#t1981~0.base=|v_ULTIMATE.start_main_~#t1981~0.base_20|, #NULL.offset=|v_#NULL.offset_4|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_25, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_40, #NULL.base=|v_#NULL.base_4|, ULTIMATE.start_main_~#t1981~0.offset=|v_ULTIMATE.start_main_~#t1981~0.offset_16|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_27, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_16|, #valid=|v_#valid_57|, #memory_int=|v_#memory_int_21|, #length=|v_#length_23|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_33, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_147, ~z~0=v_~z~0_36, ~y~0=v_~y~0_23, ~x~0=v_~x~0_17} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1980~0.base, ULTIMATE.start_main_~#t1979~0.offset, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~#t1980~0.offset, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~#t1979~0.base, ULTIMATE.start_main_~#t1981~0.base, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t1981~0.offset, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ~x~0] {6226#(<= ~__unbuffered_cnt~0 0)} is VALID [2020-07-28 21:31:23,712 INFO L280 TraceCheckUtils]: 1: Hoare triple {6226#(<= ~__unbuffered_cnt~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] {6226#(<= ~__unbuffered_cnt~0 0)} is VALID [2020-07-28 21:31:23,713 INFO L280 TraceCheckUtils]: 2: Hoare triple {6226#(<= ~__unbuffered_cnt~0 0)} [205] L768-1-->L770: Formula: (and (= 0 (select |v_#valid_41| |v_ULTIMATE.start_main_~#t1980~0.base_12|)) (not (= |v_ULTIMATE.start_main_~#t1980~0.base_12| 0)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t1980~0.base_12|) (= |v_#valid_40| (store |v_#valid_41| |v_ULTIMATE.start_main_~#t1980~0.base_12| 1)) (= 0 |v_ULTIMATE.start_main_~#t1980~0.offset_10|) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t1980~0.base_12| 4)) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1980~0.base_12| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1980~0.base_12|) |v_ULTIMATE.start_main_~#t1980~0.offset_10| 1)) |v_#memory_int_13|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_41|, #memory_int=|v_#memory_int_14|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t1980~0.base=|v_ULTIMATE.start_main_~#t1980~0.base_12|, ULTIMATE.start_main_~#t1980~0.offset=|v_ULTIMATE.start_main_~#t1980~0.offset_10|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_40|, #memory_int=|v_#memory_int_13|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1980~0.base, ULTIMATE.start_main_~#t1980~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {6226#(<= ~__unbuffered_cnt~0 0)} is VALID [2020-07-28 21:31:23,713 INFO L280 TraceCheckUtils]: 3: Hoare triple {6226#(<= ~__unbuffered_cnt~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] {6226#(<= ~__unbuffered_cnt~0 0)} is VALID [2020-07-28 21:31:23,714 INFO L280 TraceCheckUtils]: 4: Hoare triple {6226#(<= ~__unbuffered_cnt~0 0)} [199] L770-1-->L772: Formula: (and (= (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t1981~0.base_10| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t1981~0.base_10|) |v_ULTIMATE.start_main_~#t1981~0.offset_9| 2)) |v_#memory_int_11|) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t1981~0.base_10|) (not (= 0 |v_ULTIMATE.start_main_~#t1981~0.base_10|)) (= 0 (select |v_#valid_34| |v_ULTIMATE.start_main_~#t1981~0.base_10|)) (= 0 |v_ULTIMATE.start_main_~#t1981~0.offset_9|) (= (store |v_#length_14| |v_ULTIMATE.start_main_~#t1981~0.base_10| 4) |v_#length_13|) (= |v_#valid_33| (store |v_#valid_34| |v_ULTIMATE.start_main_~#t1981~0.base_10| 1))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_12|, #length=|v_#length_14|} OutVars{ULTIMATE.start_main_~#t1981~0.offset=|v_ULTIMATE.start_main_~#t1981~0.offset_9|, #StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_33|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_4|, #memory_int=|v_#memory_int_11|, ULTIMATE.start_main_~#t1981~0.base=|v_ULTIMATE.start_main_~#t1981~0.base_10|, #length=|v_#length_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1981~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, ULTIMATE.start_main_~#t1981~0.base, #length] {6226#(<= ~__unbuffered_cnt~0 0)} is VALID [2020-07-28 21:31:23,715 INFO L280 TraceCheckUtils]: 5: Hoare triple {6226#(<= ~__unbuffered_cnt~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] {6226#(<= ~__unbuffered_cnt~0 0)} is VALID [2020-07-28 21:31:23,716 INFO L280 TraceCheckUtils]: 6: Hoare triple {6226#(<= ~__unbuffered_cnt~0 0)} [174] P0ENTRY-->L715: Formula: (and (= 2 v_~z~0_5) (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= v_P0Thread1of1ForFork0_~arg.base_4 |v_P0Thread1of1ForFork0_#in~arg.base_4|)) InVars {P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~z~0=v_~z~0_5, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_4, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_4} AuxVars[] AssignedVars[~z~0, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {6226#(<= ~__unbuffered_cnt~0 0)} is VALID [2020-07-28 21:31:23,716 INFO L280 TraceCheckUtils]: 7: Hoare triple {6226#(<= ~__unbuffered_cnt~0 0)} [148] L715-->L718: Formula: (= v_~x~0_1 1) InVars {} OutVars{~x~0=v_~x~0_1} AuxVars[] AssignedVars[~x~0] {6226#(<= ~__unbuffered_cnt~0 0)} is VALID [2020-07-28 21:31:23,718 INFO L280 TraceCheckUtils]: 8: Hoare triple {6226#(<= ~__unbuffered_cnt~0 0)} [208] L718-->P0EXIT: Formula: (and (= 0 |v_P0Thread1of1ForFork0_#res.base_11|) (= (+ v_~__unbuffered_cnt~0_77 1) v_~__unbuffered_cnt~0_76) (= 0 |v_P0Thread1of1ForFork0_#res.offset_11|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_77} OutVars{P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_11|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_11|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_76} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_#res.base, ~__unbuffered_cnt~0] {6227#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:31:23,718 INFO L280 TraceCheckUtils]: 9: Hoare triple {6227#(<= ~__unbuffered_cnt~0 1)} [195] P1ENTRY-->L730: Formula: (and (= v_~__unbuffered_p1_EAX~0_15 v_~x~0_7) (= |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_7} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_4, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_15, 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_7} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, ~__unbuffered_p1_EAX~0, P1Thread1of1ForFork1_~arg.base] {6227#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:31:23,719 INFO L280 TraceCheckUtils]: 10: Hoare triple {6227#(<= ~__unbuffered_cnt~0 1)} [154] L730-->L733: Formula: (= v_~y~0_1 1) InVars {} OutVars{~y~0=v_~y~0_1} AuxVars[] AssignedVars[~y~0] {6227#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:31:23,720 INFO L280 TraceCheckUtils]: 11: Hoare triple {6227#(<= ~__unbuffered_cnt~0 1)} [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_10 v_~__unbuffered_p2_EAX~0_18)) 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_10} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_4, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_4, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_18, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_10} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {6227#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:31:23,722 INFO L280 TraceCheckUtils]: 12: Hoare triple {6227#(<= ~__unbuffered_cnt~0 1)} [203] L733-->P1EXIT: Formula: (and (= v_~__unbuffered_cnt~0_58 (+ v_~__unbuffered_cnt~0_59 1)) (= 0 |v_P1Thread1of1ForFork1_#res.base_5|) (= 0 |v_P1Thread1of1ForFork1_#res.offset_5|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_59} OutVars{P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_58, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_5|} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#res.offset, ~__unbuffered_cnt~0, P1Thread1of1ForFork1_#res.base] {6228#(<= ~__unbuffered_cnt~0 2)} is VALID [2020-07-28 21:31:23,724 INFO L280 TraceCheckUtils]: 13: Hoare triple {6228#(<= ~__unbuffered_cnt~0 2)} [215] L772-1-->L3: Formula: (and (= (mod v_~main$tmp_guard0~0_27 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_11|) (let ((.cse0 (= v_~__unbuffered_cnt~0_105 3))) (or (and .cse0 (= 1 v_~main$tmp_guard0~0_27)) (and (= 0 v_~main$tmp_guard0~0_27) (not .cse0)))) (= v_ULTIMATE.start_assume_abort_if_not_~cond_17 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_11|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_105} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_11|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_17, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_20|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_105, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_27} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {6229#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} is VALID [2020-07-28 21:31:23,725 INFO L280 TraceCheckUtils]: 14: Hoare triple {6229#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} [211] L3-->L782: Formula: (and (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_11)) (= (mod v_~main$tmp_guard1~0_18 256) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|) (let ((.cse1 (= 1 v_~__unbuffered_p2_EAX~0_26)) (.cse0 (= 2 v_~z~0_30)) (.cse2 (= 1 v_~__unbuffered_p1_EAX~0_20))) (or (and (or (not .cse0) (not .cse1) (not .cse2)) (= 1 v_~main$tmp_guard1~0_18)) (and .cse1 (= 0 v_~main$tmp_guard1~0_18) .cse0 .cse2)))) InVars {ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_11, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_20, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_26, ~z~0=v_~z~0_30} OutVars{ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_11, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_20, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_18, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_26, ~z~0=v_~z~0_30, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} AuxVars[] AssignedVars[~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {6225#false} is VALID [2020-07-28 21:31:23,725 INFO L280 TraceCheckUtils]: 15: Hoare triple {6225#false} [209] L782-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_11) (= v_ULTIMATE.start___VERIFIER_assert_~expression_11 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_11, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] {6225#false} is VALID [2020-07-28 21:31:23,726 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 21:31:23,726 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002580206] [2020-07-28 21:31:23,727 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:31:23,727 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 21:31:23,727 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774659230] [2020-07-28 21:31:23,728 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-07-28 21:31:23,728 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:31:23,728 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 21:31:23,753 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:31:23,753 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 21:31:23,753 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:31:23,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 21:31:23,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-28 21:31:23,754 INFO L87 Difference]: Start difference. First operand 68 states and 125 transitions. Second operand 6 states. [2020-07-28 21:31:23,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:31:23,898 INFO L93 Difference]: Finished difference Result 61 states and 109 transitions. [2020-07-28 21:31:23,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-28 21:31:23,899 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-07-28 21:31:23,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:31:23,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 21:31:23,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 44 transitions. [2020-07-28 21:31:23,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 21:31:23,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 44 transitions. [2020-07-28 21:31:23,901 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 44 transitions. [2020-07-28 21:31:23,953 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 44 edges. 44 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:31:23,954 INFO L225 Difference]: With dead ends: 61 [2020-07-28 21:31:23,954 INFO L226 Difference]: Without dead ends: 55 [2020-07-28 21:31:23,955 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-28 21:31:23,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-07-28 21:31:23,957 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,957 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,957 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,958 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,958 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,958 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,958 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,959 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,959 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,959 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,959 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,959 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,960 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,960 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,960 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,960 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,960 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,960 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,961 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,961 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,961 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,961 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,962 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,962 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,962 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,963 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,963 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,963 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,963 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,964 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,964 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,964 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,964 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,965 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,965 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,965 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,965 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,966 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,966 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,966 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,966 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,967 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,967 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,967 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,967 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,968 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,968 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,968 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,968 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,969 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,969 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,969 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,969 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,970 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,970 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-07-28 21:31:23,970 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:31:23,971 INFO L82 GeneralOperation]: Start isEquivalent. First operand 55 states. Second operand 55 states. [2020-07-28 21:31:23,971 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand 55 states. [2020-07-28 21:31:23,971 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 55 states. [2020-07-28 21:31:23,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:31:23,972 INFO L93 Difference]: Finished difference Result 55 states and 99 transitions. [2020-07-28 21:31:23,972 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 99 transitions. [2020-07-28 21:31:23,973 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:31:23,973 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:31:23,973 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand 55 states. [2020-07-28 21:31:23,973 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 55 states. [2020-07-28 21:31:23,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:31:23,974 INFO L93 Difference]: Finished difference Result 55 states and 99 transitions. [2020-07-28 21:31:23,975 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 99 transitions. [2020-07-28 21:31:23,975 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:31:23,975 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:31:23,975 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:31:23,975 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:31:23,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-07-28 21:31:23,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 99 transitions. [2020-07-28 21:31:23,977 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 99 transitions. Word has length 16 [2020-07-28 21:31:23,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:31:23,977 INFO L479 AbstractCegarLoop]: Abstraction has 55 states and 99 transitions. [2020-07-28 21:31:23,977 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 21:31:23,977 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 99 transitions. [2020-07-28 21:31:23,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-28 21:31:23,978 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:31:23,978 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:31:23,978 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-28 21:31:23,978 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:31:23,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:31:23,978 INFO L82 PathProgramCache]: Analyzing trace with hash 1123595488, now seen corresponding path program 1 times [2020-07-28 21:31:23,979 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:31:23,979 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669375368] [2020-07-28 21:31:23,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:31:23,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:31:24,032 INFO L280 TraceCheckUtils]: 0: Hoare triple {6515#true} [225] ULTIMATE.startENTRY-->L768: Formula: (let ((.cse0 (store |v_#valid_59| 0 0))) (and (= 0 v_~main$tmp_guard0~0_40) (= 0 v_~__unbuffered_p1_EAX~0_27) (= 0 v_~x~0_17) (= (store .cse0 |v_ULTIMATE.start_main_~#t1979~0.base_26| 1) |v_#valid_57|) (= 0 v_~__unbuffered_p2_EAX~0_33) (= 0 v_~main$tmp_guard1~0_25) (= |v_#length_23| (store |v_#length_24| |v_ULTIMATE.start_main_~#t1979~0.base_26| 4)) (= 0 |v_ULTIMATE.start_main_~#t1979~0.offset_19|) (= 0 v_~z~0_36) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1979~0.base_26|)) (= 0 |v_#NULL.offset_4|) (= 0 v_~y~0_23) (= (store |v_#memory_int_22| |v_ULTIMATE.start_main_~#t1979~0.base_26| (store (select |v_#memory_int_22| |v_ULTIMATE.start_main_~#t1979~0.base_26|) |v_ULTIMATE.start_main_~#t1979~0.offset_19| 0)) |v_#memory_int_21|) (= v_~__unbuffered_cnt~0_147 0) (< 0 |v_#StackHeapBarrier_15|) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t1979~0.base_26|) (= 0 |v_#NULL.base_4|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_59|, #memory_int=|v_#memory_int_22|, #length=|v_#length_24|} OutVars{ULTIMATE.start_main_~#t1980~0.base=|v_ULTIMATE.start_main_~#t1980~0.base_20|, ULTIMATE.start_main_~#t1979~0.offset=|v_ULTIMATE.start_main_~#t1979~0.offset_19|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_32|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_9|, ULTIMATE.start_main_~#t1980~0.offset=|v_ULTIMATE.start_main_~#t1980~0.offset_16|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_8|, ULTIMATE.start_main_~#t1979~0.base=|v_ULTIMATE.start_main_~#t1979~0.base_26|, ULTIMATE.start_main_~#t1981~0.base=|v_ULTIMATE.start_main_~#t1981~0.base_20|, #NULL.offset=|v_#NULL.offset_4|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_25, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_40, #NULL.base=|v_#NULL.base_4|, ULTIMATE.start_main_~#t1981~0.offset=|v_ULTIMATE.start_main_~#t1981~0.offset_16|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_27, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_16|, #valid=|v_#valid_57|, #memory_int=|v_#memory_int_21|, #length=|v_#length_23|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_33, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_147, ~z~0=v_~z~0_36, ~y~0=v_~y~0_23, ~x~0=v_~x~0_17} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1980~0.base, ULTIMATE.start_main_~#t1979~0.offset, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~#t1980~0.offset, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~#t1979~0.base, ULTIMATE.start_main_~#t1981~0.base, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t1981~0.offset, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ~x~0] {6515#true} is VALID [2020-07-28 21:31:24,033 INFO L280 TraceCheckUtils]: 1: Hoare triple {6515#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] {6515#true} is VALID [2020-07-28 21:31:24,033 INFO L280 TraceCheckUtils]: 2: Hoare triple {6515#true} [205] L768-1-->L770: Formula: (and (= 0 (select |v_#valid_41| |v_ULTIMATE.start_main_~#t1980~0.base_12|)) (not (= |v_ULTIMATE.start_main_~#t1980~0.base_12| 0)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t1980~0.base_12|) (= |v_#valid_40| (store |v_#valid_41| |v_ULTIMATE.start_main_~#t1980~0.base_12| 1)) (= 0 |v_ULTIMATE.start_main_~#t1980~0.offset_10|) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t1980~0.base_12| 4)) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1980~0.base_12| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1980~0.base_12|) |v_ULTIMATE.start_main_~#t1980~0.offset_10| 1)) |v_#memory_int_13|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_41|, #memory_int=|v_#memory_int_14|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t1980~0.base=|v_ULTIMATE.start_main_~#t1980~0.base_12|, ULTIMATE.start_main_~#t1980~0.offset=|v_ULTIMATE.start_main_~#t1980~0.offset_10|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_40|, #memory_int=|v_#memory_int_13|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1980~0.base, ULTIMATE.start_main_~#t1980~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {6515#true} is VALID [2020-07-28 21:31:24,033 INFO L280 TraceCheckUtils]: 3: Hoare triple {6515#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] {6515#true} is VALID [2020-07-28 21:31:24,034 INFO L280 TraceCheckUtils]: 4: Hoare triple {6515#true} [199] L770-1-->L772: Formula: (and (= (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t1981~0.base_10| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t1981~0.base_10|) |v_ULTIMATE.start_main_~#t1981~0.offset_9| 2)) |v_#memory_int_11|) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t1981~0.base_10|) (not (= 0 |v_ULTIMATE.start_main_~#t1981~0.base_10|)) (= 0 (select |v_#valid_34| |v_ULTIMATE.start_main_~#t1981~0.base_10|)) (= 0 |v_ULTIMATE.start_main_~#t1981~0.offset_9|) (= (store |v_#length_14| |v_ULTIMATE.start_main_~#t1981~0.base_10| 4) |v_#length_13|) (= |v_#valid_33| (store |v_#valid_34| |v_ULTIMATE.start_main_~#t1981~0.base_10| 1))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_12|, #length=|v_#length_14|} OutVars{ULTIMATE.start_main_~#t1981~0.offset=|v_ULTIMATE.start_main_~#t1981~0.offset_9|, #StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_33|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_4|, #memory_int=|v_#memory_int_11|, ULTIMATE.start_main_~#t1981~0.base=|v_ULTIMATE.start_main_~#t1981~0.base_10|, #length=|v_#length_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1981~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, ULTIMATE.start_main_~#t1981~0.base, #length] {6515#true} is VALID [2020-07-28 21:31:24,034 INFO L280 TraceCheckUtils]: 5: Hoare triple {6515#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] {6515#true} is VALID [2020-07-28 21:31:24,034 INFO L280 TraceCheckUtils]: 6: Hoare triple {6515#true} [174] P0ENTRY-->L715: Formula: (and (= 2 v_~z~0_5) (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= v_P0Thread1of1ForFork0_~arg.base_4 |v_P0Thread1of1ForFork0_#in~arg.base_4|)) InVars {P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~z~0=v_~z~0_5, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_4, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_4} AuxVars[] AssignedVars[~z~0, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {6515#true} is VALID [2020-07-28 21:31:24,034 INFO L280 TraceCheckUtils]: 7: Hoare triple {6515#true} [148] L715-->L718: Formula: (= v_~x~0_1 1) InVars {} OutVars{~x~0=v_~x~0_1} AuxVars[] AssignedVars[~x~0] {6515#true} is VALID [2020-07-28 21:31:24,035 INFO L280 TraceCheckUtils]: 8: Hoare triple {6515#true} [208] L718-->P0EXIT: Formula: (and (= 0 |v_P0Thread1of1ForFork0_#res.base_11|) (= (+ v_~__unbuffered_cnt~0_77 1) v_~__unbuffered_cnt~0_76) (= 0 |v_P0Thread1of1ForFork0_#res.offset_11|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_77} OutVars{P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_11|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_11|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_76} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_#res.base, ~__unbuffered_cnt~0] {6515#true} is VALID [2020-07-28 21:31:24,035 INFO L280 TraceCheckUtils]: 9: Hoare triple {6515#true} [195] P1ENTRY-->L730: Formula: (and (= v_~__unbuffered_p1_EAX~0_15 v_~x~0_7) (= |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_7} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_4, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_15, 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_7} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, ~__unbuffered_p1_EAX~0, P1Thread1of1ForFork1_~arg.base] {6515#true} is VALID [2020-07-28 21:31:24,035 INFO L280 TraceCheckUtils]: 10: Hoare triple {6515#true} [154] L730-->L733: Formula: (= v_~y~0_1 1) InVars {} OutVars{~y~0=v_~y~0_1} AuxVars[] AssignedVars[~y~0] {6515#true} is VALID [2020-07-28 21:31:24,035 INFO L280 TraceCheckUtils]: 11: Hoare triple {6515#true} [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_10 v_~__unbuffered_p2_EAX~0_18)) 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_10} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_4, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_4, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_18, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_10} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {6515#true} is VALID [2020-07-28 21:31:24,036 INFO L280 TraceCheckUtils]: 12: Hoare triple {6515#true} [160] L745-->L748: Formula: (= v_~z~0_2 1) InVars {} OutVars{~z~0=v_~z~0_2} AuxVars[] AssignedVars[~z~0] {6517#(= 1 ~z~0)} is VALID [2020-07-28 21:31:24,037 INFO L280 TraceCheckUtils]: 13: Hoare triple {6517#(= 1 ~z~0)} [212] L748-->P2EXIT: Formula: (and (= |v_P2Thread1of1ForFork2_#res.offset_5| 0) (= 0 |v_P2Thread1of1ForFork2_#res.base_5|) (= (+ v_~__unbuffered_cnt~0_83 1) v_~__unbuffered_cnt~0_82)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_83} OutVars{P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_82, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_5|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#res.base, ~__unbuffered_cnt~0, P2Thread1of1ForFork2_#res.offset] {6517#(= 1 ~z~0)} is VALID [2020-07-28 21:31:24,038 INFO L280 TraceCheckUtils]: 14: Hoare triple {6517#(= 1 ~z~0)} [203] L733-->P1EXIT: Formula: (and (= v_~__unbuffered_cnt~0_58 (+ v_~__unbuffered_cnt~0_59 1)) (= 0 |v_P1Thread1of1ForFork1_#res.base_5|) (= 0 |v_P1Thread1of1ForFork1_#res.offset_5|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_59} OutVars{P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_58, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_5|} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#res.offset, ~__unbuffered_cnt~0, P1Thread1of1ForFork1_#res.base] {6517#(= 1 ~z~0)} is VALID [2020-07-28 21:31:24,038 INFO L280 TraceCheckUtils]: 15: Hoare triple {6517#(= 1 ~z~0)} [215] L772-1-->L3: Formula: (and (= (mod v_~main$tmp_guard0~0_27 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_11|) (let ((.cse0 (= v_~__unbuffered_cnt~0_105 3))) (or (and .cse0 (= 1 v_~main$tmp_guard0~0_27)) (and (= 0 v_~main$tmp_guard0~0_27) (not .cse0)))) (= v_ULTIMATE.start_assume_abort_if_not_~cond_17 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_11|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_105} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_11|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_17, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_20|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_105, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_27} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {6517#(= 1 ~z~0)} is VALID [2020-07-28 21:31:24,039 INFO L280 TraceCheckUtils]: 16: Hoare triple {6517#(= 1 ~z~0)} [211] L3-->L782: Formula: (and (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_11)) (= (mod v_~main$tmp_guard1~0_18 256) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|) (let ((.cse1 (= 1 v_~__unbuffered_p2_EAX~0_26)) (.cse0 (= 2 v_~z~0_30)) (.cse2 (= 1 v_~__unbuffered_p1_EAX~0_20))) (or (and (or (not .cse0) (not .cse1) (not .cse2)) (= 1 v_~main$tmp_guard1~0_18)) (and .cse1 (= 0 v_~main$tmp_guard1~0_18) .cse0 .cse2)))) InVars {ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_11, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_20, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_26, ~z~0=v_~z~0_30} OutVars{ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_11, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_20, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_18, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_26, ~z~0=v_~z~0_30, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} AuxVars[] AssignedVars[~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {6518#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} is VALID [2020-07-28 21:31:24,040 INFO L280 TraceCheckUtils]: 17: Hoare triple {6518#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} [209] L782-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_11) (= v_ULTIMATE.start___VERIFIER_assert_~expression_11 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_11, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] {6516#false} is VALID [2020-07-28 21:31:24,041 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 21:31:24,041 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669375368] [2020-07-28 21:31:24,041 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:31:24,042 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 21:31:24,042 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977876686] [2020-07-28 21:31:24,042 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2020-07-28 21:31:24,042 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:31:24,043 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 21:31:24,065 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:31:24,066 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 21:31:24,066 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:31:24,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 21:31:24,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 21:31:24,067 INFO L87 Difference]: Start difference. First operand 55 states and 99 transitions. Second operand 4 states. [2020-07-28 21:31:24,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:31:24,119 INFO L93 Difference]: Finished difference Result 54 states and 98 transitions. [2020-07-28 21:31:24,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-28 21:31:24,119 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2020-07-28 21:31:24,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:31:24,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:31:24,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2020-07-28 21:31:24,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:31:24,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2020-07-28 21:31:24,121 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 20 transitions. [2020-07-28 21:31:24,147 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:31:24,147 INFO L225 Difference]: With dead ends: 54 [2020-07-28 21:31:24,147 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 21:31:24,148 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-28 21:31:24,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 21:31:24,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 21:31:24,148 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:31:24,148 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 21:31:24,149 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 21:31:24,149 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 21:31:24,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:31:24,149 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 21:31:24,149 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 21:31:24,149 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:31:24,149 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:31:24,150 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 21:31:24,150 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 21:31:24,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:31:24,150 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 21:31:24,150 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 21:31:24,150 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:31:24,151 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:31:24,151 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:31:24,151 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:31:24,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 21:31:24,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 21:31:24,151 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-07-28 21:31:24,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:31:24,151 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 21:31:24,152 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 21:31:24,152 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 21:31:24,152 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:31:24,152 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-28 21:31:24,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 09:31:24 BasicIcfg [2020-07-28 21:31:24,157 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 21:31:24,157 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 21:31:24,157 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 21:31:24,158 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 21:31:24,158 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 09:31:18" (3/4) ... [2020-07-28 21:31:24,162 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 21:31:24,169 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2020-07-28 21:31:24,170 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2020-07-28 21:31:24,170 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2020-07-28 21:31:24,185 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-07-28 21:31:24,185 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-07-28 21:31:24,185 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 21:31:24,253 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 21:31:24,253 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 21:31:24,261 INFO L168 Benchmark]: Toolchain (without parser) took 7539.03 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 304.6 MB). Free memory was 944.1 MB in the beginning and 1.1 GB in the end (delta: -201.9 MB). Peak memory consumption was 102.7 MB. Max. memory is 11.5 GB. [2020-07-28 21:31:24,265 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 21:31:24,268 INFO L168 Benchmark]: CACSL2BoogieTranslator took 793.16 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 944.1 MB in the beginning and 1.1 GB in the end (delta: -130.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2020-07-28 21:31:24,269 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.89 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 21:31:24,269 INFO L168 Benchmark]: Boogie Preprocessor took 38.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2020-07-28 21:31:24,269 INFO L168 Benchmark]: RCFGBuilder took 594.84 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 31.4 MB). Peak memory consumption was 31.4 MB. Max. memory is 11.5 GB. [2020-07-28 21:31:24,270 INFO L168 Benchmark]: TraceAbstraction took 5912.74 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 190.8 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -109.6 MB). Peak memory consumption was 81.2 MB. Max. memory is 11.5 GB. [2020-07-28 21:31:24,270 INFO L168 Benchmark]: Witness Printer took 98.68 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2020-07-28 21:31:24,272 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 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 793.16 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 944.1 MB in the beginning and 1.1 GB in the end (delta: -130.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 91.89 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 594.84 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 31.4 MB). Peak memory consumption was 31.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5912.74 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 190.8 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -109.6 MB). Peak memory consumption was 81.2 MB. Max. memory is 11.5 GB. * Witness Printer took 98.68 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.1s, 78 ProgramPointsBefore, 32 ProgramPointsAfterwards, 70 TransitionsBefore, 23 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 6 FixpointIterations, 14 TrivialSequentialCompositions, 35 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 660 VarBasedMoverChecksPositive, 29 VarBasedMoverChecksNegative, 12 SemBasedMoverChecksPositive, 27 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.5s, 0 MoverChecksTotal, 2250 CheckedPairsTotal, 55 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: 5.7s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.2s, HoareTripleCheckerStatistics: 163 SDtfs, 165 SDslu, 240 SDs, 0 SdLazy, 109 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=362occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 8 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 94 ConstructedInterpolants, 0 QuantifiedInterpolants, 3262 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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...