./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe005_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/safe005_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 adee6daaff46d4e96bba6f4a895d0ef055ac08e2 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 21:29:33,191 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 21:29:33,197 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 21:29:33,215 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 21:29:33,215 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 21:29:33,218 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 21:29:33,220 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 21:29:33,231 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 21:29:33,235 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 21:29:33,238 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 21:29:33,240 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 21:29:33,242 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 21:29:33,243 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 21:29:33,247 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 21:29:33,248 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 21:29:33,250 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 21:29:33,252 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 21:29:33,255 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 21:29:33,257 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 21:29:33,262 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 21:29:33,267 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 21:29:33,271 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 21:29:33,273 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 21:29:33,274 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 21:29:33,277 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 21:29:33,277 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 21:29:33,278 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 21:29:33,280 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 21:29:33,280 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 21:29:33,281 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 21:29:33,282 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 21:29:33,283 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 21:29:33,284 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 21:29:33,285 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 21:29:33,286 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 21:29:33,287 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 21:29:33,287 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 21:29:33,288 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 21:29:33,288 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 21:29:33,289 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 21:29:33,290 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 21:29:33,292 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 21:29:33,326 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 21:29:33,327 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 21:29:33,329 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 21:29:33,329 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 21:29:33,329 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 21:29:33,330 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 21:29:33,330 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 21:29:33,330 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 21:29:33,331 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 21:29:33,331 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 21:29:33,332 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 21:29:33,332 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 21:29:33,333 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 21:29:33,333 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 21:29:33,333 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 21:29:33,334 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 21:29:33,334 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 21:29:33,334 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 21:29:33,335 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 21:29:33,335 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 21:29:33,335 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 21:29:33,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 21:29:33,336 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 21:29:33,336 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 21:29:33,336 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 21:29:33,337 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 21:29:33,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 21:29:33,337 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 21:29:33,337 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 21:29:33,338 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 -> adee6daaff46d4e96bba6f4a895d0ef055ac08e2 [2020-07-28 21:29:33,668 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 21:29:33,681 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 21:29:33,685 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 21:29:33,686 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 21:29:33,687 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 21:29:33,688 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe005_tso.oepc.i [2020-07-28 21:29:33,764 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4362f2a1/2fb65519f2fe4af1881943e7eec40e0b/FLAGd9b96b9e3 [2020-07-28 21:29:34,375 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 21:29:34,376 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe005_tso.oepc.i [2020-07-28 21:29:34,400 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4362f2a1/2fb65519f2fe4af1881943e7eec40e0b/FLAGd9b96b9e3 [2020-07-28 21:29:34,668 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4362f2a1/2fb65519f2fe4af1881943e7eec40e0b [2020-07-28 21:29:34,671 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 21:29:34,675 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 21:29:34,678 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 21:29:34,678 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 21:29:34,682 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 21:29:34,684 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 09:29:34" (1/1) ... [2020-07-28 21:29:34,688 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@786e2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:29:34, skipping insertion in model container [2020-07-28 21:29:34,688 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 09:29:34" (1/1) ... [2020-07-28 21:29:34,696 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 21:29:34,742 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 21:29:35,251 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 21:29:35,266 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 21:29:35,344 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 21:29:35,423 INFO L208 MainTranslator]: Completed translation [2020-07-28 21:29:35,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:29:35 WrapperNode [2020-07-28 21:29:35,424 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 21:29:35,425 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 21:29:35,426 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 21:29:35,426 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 21:29:35,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:29:35" (1/1) ... [2020-07-28 21:29:35,453 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:29:35" (1/1) ... [2020-07-28 21:29:35,481 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 21:29:35,481 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 21:29:35,481 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 21:29:35,482 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 21:29:35,492 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:29:35" (1/1) ... [2020-07-28 21:29:35,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:29:35" (1/1) ... [2020-07-28 21:29:35,495 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:29:35" (1/1) ... [2020-07-28 21:29:35,496 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:29:35" (1/1) ... [2020-07-28 21:29:35,505 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:29:35" (1/1) ... [2020-07-28 21:29:35,508 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:29:35" (1/1) ... [2020-07-28 21:29:35,510 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:29:35" (1/1) ... [2020-07-28 21:29:35,513 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 21:29:35,514 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 21:29:35,514 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 21:29:35,515 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 21:29:35,516 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:29:35" (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 21:29:35,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-28 21:29:35,590 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-07-28 21:29:35,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 21:29:35,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 21:29:35,591 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-07-28 21:29:35,592 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-07-28 21:29:35,592 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-07-28 21:29:35,592 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-07-28 21:29:35,592 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-07-28 21:29:35,592 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-07-28 21:29:35,592 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-07-28 21:29:35,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 21:29:35,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 21:29:35,597 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 21:29:36,046 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 21:29:36,047 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-07-28 21:29:36,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 09:29:36 BoogieIcfgContainer [2020-07-28 21:29:36,052 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 21:29:36,053 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 21:29:36,053 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 21:29:36,057 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 21:29:36,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 09:29:34" (1/3) ... [2020-07-28 21:29:36,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ceb12b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 09:29:36, skipping insertion in model container [2020-07-28 21:29:36,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:29:35" (2/3) ... [2020-07-28 21:29:36,059 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ceb12b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 09:29:36, skipping insertion in model container [2020-07-28 21:29:36,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 09:29:36" (3/3) ... [2020-07-28 21:29:36,061 INFO L109 eAbstractionObserver]: Analyzing ICFG safe005_tso.oepc.i [2020-07-28 21:29:36,073 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-07-28 21:29:36,073 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 21:29:36,082 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 21:29:36,083 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-07-28 21:29:36,117 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:29:36,117 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:29:36,118 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:29:36,118 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:29:36,119 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:29:36,119 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:29:36,120 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:29:36,120 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:29:36,120 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:29:36,120 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:29:36,121 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:29:36,121 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:29:36,122 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:29:36,122 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:29:36,122 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:29:36,123 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:29:36,123 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:29:36,124 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:29:36,128 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:29:36,128 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:29:36,128 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:29:36,129 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:29:36,135 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:29:36,136 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:29:36,136 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:29:36,136 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:29:36,139 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:29:36,139 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:29:36,139 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:29:36,139 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:29:36,158 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-07-28 21:29:36,180 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 21:29:36,181 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 21:29:36,181 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 21:29:36,181 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 21:29:36,181 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 21:29:36,181 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 21:29:36,182 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 21:29:36,182 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 21:29:36,198 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 70 transitions, 155 flow [2020-07-28 21:29:36,200 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 78 places, 70 transitions, 155 flow [2020-07-28 21:29:36,246 INFO L129 PetriNetUnfolder]: 2/67 cut-off events. [2020-07-28 21:29:36,247 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-07-28 21:29:36,252 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 51 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 21:29:36,259 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 78 places, 70 transitions, 155 flow [2020-07-28 21:29:36,283 INFO L129 PetriNetUnfolder]: 2/67 cut-off events. [2020-07-28 21:29:36,284 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-07-28 21:29:36,285 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 51 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 21:29:36,287 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1260 [2020-07-28 21:29:36,288 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-07-28 21:29:38,705 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2020-07-28 21:29:38,830 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2768 [2020-07-28 21:29:38,831 INFO L214 etLargeBlockEncoding]: Total number of compositions: 58 [2020-07-28 21:29:38,836 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 31 places, 22 transitions, 59 flow [2020-07-28 21:29:38,883 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 298 states. [2020-07-28 21:29:38,886 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states. [2020-07-28 21:29:38,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-07-28 21:29:38,917 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:29:38,918 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:29:38,920 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:29:38,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:29:38,929 INFO L82 PathProgramCache]: Analyzing trace with hash 1655297948, now seen corresponding path program 1 times [2020-07-28 21:29:38,940 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:29:38,941 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593606904] [2020-07-28 21:29:38,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:29:39,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:29:39,204 INFO L280 TraceCheckUtils]: 0: Hoare triple {677#true} [225] ULTIMATE.startENTRY-->L770: Formula: (let ((.cse0 (store |v_#valid_58| 0 0))) (and (= 0 v_~y~0_57) (= 0 v_~main$tmp_guard0~0_41) (= |v_#valid_56| (store .cse0 |v_ULTIMATE.start_main_~#t1915~0.base_24| 1)) (= (store |v_#length_22| |v_ULTIMATE.start_main_~#t1915~0.base_24| 4) |v_#length_21|) (= (store |v_#memory_int_16| |v_ULTIMATE.start_main_~#t1915~0.base_24| (store (select |v_#memory_int_16| |v_ULTIMATE.start_main_~#t1915~0.base_24|) |v_ULTIMATE.start_main_~#t1915~0.offset_17| 0)) |v_#memory_int_15|) (= 0 v_~main$tmp_guard1~0_41) (< |v_#StackHeapBarrier_16| |v_ULTIMATE.start_main_~#t1915~0.base_24|) (= 0 v_~__unbuffered_p0_EAX~0_46) (< 0 |v_#StackHeapBarrier_16|) (= 0 |v_#NULL.offset_4|) (= 0 v_~__unbuffered_p2_EAX~0_41) (= v_~__unbuffered_p2_EBX~0_49 0) (= 0 v_~x~0_23) (= v_~__unbuffered_cnt~0_188 0) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1915~0.base_24|)) (= 0 |v_ULTIMATE.start_main_~#t1915~0.offset_17|) (= 0 |v_#NULL.base_4|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_16|, #valid=|v_#valid_58|, #memory_int=|v_#memory_int_16|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_~#t1916~0.offset=|v_ULTIMATE.start_main_~#t1916~0.offset_18|, ~__unbuffered_p2_EBX~0=v_~__unbuffered_p2_EBX~0_49, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_20|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_8|, #NULL.offset=|v_#NULL.offset_4|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_41, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_41, ULTIMATE.start_main_~#t1916~0.base=|v_ULTIMATE.start_main_~#t1916~0.base_25|, #NULL.base=|v_#NULL.base_4|, #StackHeapBarrier=|v_#StackHeapBarrier_16|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_46, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_15|, #valid=|v_#valid_56|, ULTIMATE.start_main_~#t1917~0.base=|v_ULTIMATE.start_main_~#t1917~0.base_25|, #memory_int=|v_#memory_int_15|, ULTIMATE.start_main_~#t1915~0.base=|v_ULTIMATE.start_main_~#t1915~0.base_24|, #length=|v_#length_21|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_41, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_188, ~y~0=v_~y~0_57, ~x~0=v_~x~0_23, ULTIMATE.start_main_~#t1917~0.offset=|v_ULTIMATE.start_main_~#t1917~0.offset_18|, ULTIMATE.start_main_~#t1915~0.offset=|v_ULTIMATE.start_main_~#t1915~0.offset_17|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1916~0.offset, ~__unbuffered_p2_EBX~0, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, ULTIMATE.start_main_~#t1916~0.base, #NULL.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_#res, #valid, ULTIMATE.start_main_~#t1917~0.base, #memory_int, ULTIMATE.start_main_~#t1915~0.base, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~y~0, ~x~0, ULTIMATE.start_main_~#t1917~0.offset, ULTIMATE.start_main_~#t1915~0.offset] {679#(= 0 ~y~0)} is VALID [2020-07-28 21:29:39,206 INFO L280 TraceCheckUtils]: 1: Hoare triple {679#(= 0 ~y~0)} [165] L770-->P0ENTRY: Formula: (and (= 0 v_P0Thread1of1ForFork0_thidvar0_2) (= 0 |v_P0Thread1of1ForFork0_#in~arg.base_3|) (= 0 |v_P0Thread1of1ForFork0_#in~arg.offset_3|)) InVars {} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_3|, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_3|, P0Thread1of1ForFork0_thidvar0=v_P0Thread1of1ForFork0_thidvar0_2, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_3|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_3|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_3, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_3} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#in~arg.offset, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_thidvar0, P0Thread1of1ForFork0_#in~arg.base, P0Thread1of1ForFork0_#res.base, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {679#(= 0 ~y~0)} is VALID [2020-07-28 21:29:39,207 INFO L280 TraceCheckUtils]: 2: Hoare triple {679#(= 0 ~y~0)} [206] L770-1-->L772: Formula: (and (= 0 |v_ULTIMATE.start_main_~#t1916~0.offset_10|) (= |v_#valid_34| (store |v_#valid_35| |v_ULTIMATE.start_main_~#t1916~0.base_12| 1)) (not (= 0 |v_ULTIMATE.start_main_~#t1916~0.base_12|)) (= |v_#memory_int_7| (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t1916~0.base_12| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t1916~0.base_12|) |v_ULTIMATE.start_main_~#t1916~0.offset_10| 1))) (= 0 (select |v_#valid_35| |v_ULTIMATE.start_main_~#t1916~0.base_12|)) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t1916~0.base_12|) (= (store |v_#length_14| |v_ULTIMATE.start_main_~#t1916~0.base_12| 4) |v_#length_13|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_35|, #memory_int=|v_#memory_int_8|, #length=|v_#length_14|} OutVars{ULTIMATE.start_main_~#t1916~0.offset=|v_ULTIMATE.start_main_~#t1916~0.offset_10|, #StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_7|, #length=|v_#length_13|, ULTIMATE.start_main_~#t1916~0.base=|v_ULTIMATE.start_main_~#t1916~0.base_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1916~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length, ULTIMATE.start_main_~#t1916~0.base] {679#(= 0 ~y~0)} is VALID [2020-07-28 21:29:39,209 INFO L280 TraceCheckUtils]: 3: Hoare triple {679#(= 0 ~y~0)} [167] L772-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork1_thidvar0_2) (= 0 |v_P1Thread1of1ForFork1_#in~arg.base_3|) (= 0 |v_P1Thread1of1ForFork1_#in~arg.offset_3|)) InVars {} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_3, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_3|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_3, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_3|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_3|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_3|, P1Thread1of1ForFork1_thidvar0=v_P1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_#res.offset, P1Thread1of1ForFork1_~arg.base, P1Thread1of1ForFork1_#in~arg.base, P1Thread1of1ForFork1_#in~arg.offset, P1Thread1of1ForFork1_#res.base, P1Thread1of1ForFork1_thidvar0] {679#(= 0 ~y~0)} is VALID [2020-07-28 21:29:39,210 INFO L280 TraceCheckUtils]: 4: Hoare triple {679#(= 0 ~y~0)} [208] L772-1-->L774: Formula: (and (= (store |v_#valid_37| |v_ULTIMATE.start_main_~#t1917~0.base_12| 1) |v_#valid_36|) (= |v_#memory_int_9| (store |v_#memory_int_10| |v_ULTIMATE.start_main_~#t1917~0.base_12| (store (select |v_#memory_int_10| |v_ULTIMATE.start_main_~#t1917~0.base_12|) |v_ULTIMATE.start_main_~#t1917~0.offset_10| 2))) (not (= 0 |v_ULTIMATE.start_main_~#t1917~0.base_12|)) (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t1917~0.base_12| 4) |v_#length_15|) (= 0 (select |v_#valid_37| |v_ULTIMATE.start_main_~#t1917~0.base_12|)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t1917~0.base_12|) (= 0 |v_ULTIMATE.start_main_~#t1917~0.offset_10|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_10|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t1917~0.base=|v_ULTIMATE.start_main_~#t1917~0.base_12|, #valid=|v_#valid_36|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_9|, #length=|v_#length_15|, ULTIMATE.start_main_~#t1917~0.offset=|v_ULTIMATE.start_main_~#t1917~0.offset_10|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1917~0.base, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t1917~0.offset] {679#(= 0 ~y~0)} is VALID [2020-07-28 21:29:39,211 INFO L280 TraceCheckUtils]: 5: Hoare triple {679#(= 0 ~y~0)} [169] L774-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#in~arg.base_3|) (= 0 |v_P2Thread1of1ForFork2_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_3|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_3, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_3, P2Thread1of1ForFork2_thidvar0=v_P2Thread1of1ForFork2_thidvar0_2, P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_3|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_3|, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_3|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#in~arg.offset, P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, P2Thread1of1ForFork2_thidvar0, P2Thread1of1ForFork2_#res.base, P2Thread1of1ForFork2_#in~arg.base, P2Thread1of1ForFork2_#res.offset] {679#(= 0 ~y~0)} is VALID [2020-07-28 21:29:39,212 INFO L280 TraceCheckUtils]: 6: Hoare triple {679#(= 0 ~y~0)} [216] L774-1-->L3: Formula: (and (= (mod v_~main$tmp_guard0~0_31 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_20|) (let ((.cse0 (= v_~__unbuffered_cnt~0_134 3))) (or (and (not .cse0) (= 0 v_~main$tmp_guard0~0_31)) (and .cse0 (= 1 v_~main$tmp_guard0~0_31)))) (= v_ULTIMATE.start_assume_abort_if_not_~cond_16 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_20|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_134} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_20|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_16, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_11|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_134, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_31} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {679#(= 0 ~y~0)} is VALID [2020-07-28 21:29:39,214 INFO L280 TraceCheckUtils]: 7: Hoare triple {679#(= 0 ~y~0)} [221] L3-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 1 v_~__unbuffered_p2_EAX~0_30) (= v_~__unbuffered_p2_EBX~0_35 1) (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_19) (= v_ULTIMATE.start___VERIFIER_assert_~expression_19 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_13|) (= 0 v_~__unbuffered_p0_EAX~0_34) (= 0 v_~main$tmp_guard1~0_30) (= 2 v_~y~0_46) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_25))) InVars {~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_34, ~__unbuffered_p2_EBX~0=v_~__unbuffered_p2_EBX~0_35, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_25, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_30, ~y~0=v_~y~0_46} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_34, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_19, ~__unbuffered_p2_EBX~0=v_~__unbuffered_p2_EBX~0_35, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_25, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_30, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_30, ~y~0=v_~y~0_46, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_13|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {678#false} is VALID [2020-07-28 21:29:39,216 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 21:29:39,216 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593606904] [2020-07-28 21:29:39,217 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:29:39,218 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-07-28 21:29:39,219 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005005688] [2020-07-28 21:29:39,225 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-07-28 21:29:39,226 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:29:39,230 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 21:29:39,252 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 21:29:39,252 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 21:29:39,253 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:29:39,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 21:29:39,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 21:29:39,266 INFO L87 Difference]: Start difference. First operand 298 states. Second operand 3 states. [2020-07-28 21:29:39,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:29:39,421 INFO L93 Difference]: Finished difference Result 290 states and 834 transitions. [2020-07-28 21:29:39,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 21:29:39,422 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-07-28 21:29:39,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:29:39,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 21:29:39,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 33 transitions. [2020-07-28 21:29:39,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 21:29:39,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 33 transitions. [2020-07-28 21:29:39,427 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 33 transitions. [2020-07-28 21:29:39,477 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:29:39,517 INFO L225 Difference]: With dead ends: 290 [2020-07-28 21:29:39,517 INFO L226 Difference]: Without dead ends: 226 [2020-07-28 21:29:39,523 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 21:29:39,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-07-28 21:29:39,582 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,584 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,585 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,585 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,586 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,586 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,586 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,587 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,587 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,587 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,588 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,588 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,588 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,589 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,589 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,589 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,589 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,590 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,590 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,590 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,590 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,591 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,591 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,591 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,592 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,592 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,592 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,593 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,593 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,593 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,594 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,594 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,594 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,595 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,595 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,595 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,596 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,596 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,596 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,596 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,597 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,597 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,597 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,598 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,598 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,598 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,599 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,599 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,599 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,600 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,600 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,600 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,601 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,601 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,601 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,601 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,602 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,602 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,602 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,603 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,603 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,603 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,604 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,604 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,604 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,605 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,605 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,605 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,606 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,606 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,606 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,607 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,607 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,607 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,608 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,608 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,608 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,609 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,609 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,609 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,609 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,610 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,610 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,610 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,611 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,611 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,611 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,612 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,612 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,612 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,613 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,613 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,613 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,614 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,614 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,614 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,615 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,615 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,616 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,616 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,616 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,617 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,617 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,617 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,617 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,618 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,618 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,618 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,619 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,619 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,619 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,620 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,620 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,620 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,621 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,621 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,621 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,621 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,622 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,622 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,622 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,623 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,623 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,623 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,624 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,624 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,624 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,625 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,625 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,625 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,626 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,626 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,626 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,627 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,627 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,627 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,628 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,628 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,629 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,629 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,629 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,629 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,630 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,630 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,630 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,631 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,631 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,631 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,632 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,632 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,632 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,633 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,633 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,633 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,634 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,634 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,634 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,635 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,635 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,635 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,636 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,636 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,636 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,637 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,637 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,637 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,638 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,638 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,638 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,639 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,639 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,639 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,639 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,640 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,640 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,640 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,641 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,641 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,641 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,642 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,642 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,642 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,642 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,643 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,643 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,643 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,644 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,644 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,644 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,645 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,645 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,645 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,646 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,646 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,646 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,646 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,647 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,647 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,647 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,648 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,648 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,648 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,649 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,649 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,649 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,650 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,650 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,650 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,651 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,651 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,651 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,651 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,652 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,652 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,652 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,653 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,653 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,653 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,654 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,654 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,654 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,655 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,655 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,655 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,656 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,656 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2020-07-28 21:29:39,658 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:29:39,659 INFO L82 GeneralOperation]: Start isEquivalent. First operand 226 states. Second operand 226 states. [2020-07-28 21:29:39,659 INFO L74 IsIncluded]: Start isIncluded. First operand 226 states. Second operand 226 states. [2020-07-28 21:29:39,659 INFO L87 Difference]: Start difference. First operand 226 states. Second operand 226 states. [2020-07-28 21:29:39,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:29:39,684 INFO L93 Difference]: Finished difference Result 226 states and 626 transitions. [2020-07-28 21:29:39,684 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 626 transitions. [2020-07-28 21:29:39,687 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:29:39,687 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:29:39,687 INFO L74 IsIncluded]: Start isIncluded. First operand 226 states. Second operand 226 states. [2020-07-28 21:29:39,688 INFO L87 Difference]: Start difference. First operand 226 states. Second operand 226 states. [2020-07-28 21:29:39,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:29:39,709 INFO L93 Difference]: Finished difference Result 226 states and 626 transitions. [2020-07-28 21:29:39,710 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 626 transitions. [2020-07-28 21:29:39,712 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:29:39,712 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:29:39,712 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:29:39,713 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:29:39,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-07-28 21:29:39,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 626 transitions. [2020-07-28 21:29:39,733 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 626 transitions. Word has length 8 [2020-07-28 21:29:39,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:29:39,734 INFO L479 AbstractCegarLoop]: Abstraction has 226 states and 626 transitions. [2020-07-28 21:29:39,734 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 21:29:39,734 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 626 transitions. [2020-07-28 21:29:39,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-07-28 21:29:39,735 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:29:39,735 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:29:39,736 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 21:29:39,736 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:29:39,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:29:39,737 INFO L82 PathProgramCache]: Analyzing trace with hash -1775895904, now seen corresponding path program 1 times [2020-07-28 21:29:39,737 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:29:39,737 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325072127] [2020-07-28 21:29:39,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:29:39,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:29:39,848 INFO L280 TraceCheckUtils]: 0: Hoare triple {1876#true} [225] ULTIMATE.startENTRY-->L770: Formula: (let ((.cse0 (store |v_#valid_58| 0 0))) (and (= 0 v_~y~0_57) (= 0 v_~main$tmp_guard0~0_41) (= |v_#valid_56| (store .cse0 |v_ULTIMATE.start_main_~#t1915~0.base_24| 1)) (= (store |v_#length_22| |v_ULTIMATE.start_main_~#t1915~0.base_24| 4) |v_#length_21|) (= (store |v_#memory_int_16| |v_ULTIMATE.start_main_~#t1915~0.base_24| (store (select |v_#memory_int_16| |v_ULTIMATE.start_main_~#t1915~0.base_24|) |v_ULTIMATE.start_main_~#t1915~0.offset_17| 0)) |v_#memory_int_15|) (= 0 v_~main$tmp_guard1~0_41) (< |v_#StackHeapBarrier_16| |v_ULTIMATE.start_main_~#t1915~0.base_24|) (= 0 v_~__unbuffered_p0_EAX~0_46) (< 0 |v_#StackHeapBarrier_16|) (= 0 |v_#NULL.offset_4|) (= 0 v_~__unbuffered_p2_EAX~0_41) (= v_~__unbuffered_p2_EBX~0_49 0) (= 0 v_~x~0_23) (= v_~__unbuffered_cnt~0_188 0) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1915~0.base_24|)) (= 0 |v_ULTIMATE.start_main_~#t1915~0.offset_17|) (= 0 |v_#NULL.base_4|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_16|, #valid=|v_#valid_58|, #memory_int=|v_#memory_int_16|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_~#t1916~0.offset=|v_ULTIMATE.start_main_~#t1916~0.offset_18|, ~__unbuffered_p2_EBX~0=v_~__unbuffered_p2_EBX~0_49, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_20|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_8|, #NULL.offset=|v_#NULL.offset_4|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_41, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_41, ULTIMATE.start_main_~#t1916~0.base=|v_ULTIMATE.start_main_~#t1916~0.base_25|, #NULL.base=|v_#NULL.base_4|, #StackHeapBarrier=|v_#StackHeapBarrier_16|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_46, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_15|, #valid=|v_#valid_56|, ULTIMATE.start_main_~#t1917~0.base=|v_ULTIMATE.start_main_~#t1917~0.base_25|, #memory_int=|v_#memory_int_15|, ULTIMATE.start_main_~#t1915~0.base=|v_ULTIMATE.start_main_~#t1915~0.base_24|, #length=|v_#length_21|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_41, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_188, ~y~0=v_~y~0_57, ~x~0=v_~x~0_23, ULTIMATE.start_main_~#t1917~0.offset=|v_ULTIMATE.start_main_~#t1917~0.offset_18|, ULTIMATE.start_main_~#t1915~0.offset=|v_ULTIMATE.start_main_~#t1915~0.offset_17|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1916~0.offset, ~__unbuffered_p2_EBX~0, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, ULTIMATE.start_main_~#t1916~0.base, #NULL.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_#res, #valid, ULTIMATE.start_main_~#t1917~0.base, #memory_int, ULTIMATE.start_main_~#t1915~0.base, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~y~0, ~x~0, ULTIMATE.start_main_~#t1917~0.offset, ULTIMATE.start_main_~#t1915~0.offset] {1878#(= 0 ~__unbuffered_p2_EBX~0)} is VALID [2020-07-28 21:29:39,849 INFO L280 TraceCheckUtils]: 1: Hoare triple {1878#(= 0 ~__unbuffered_p2_EBX~0)} [165] L770-->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] {1878#(= 0 ~__unbuffered_p2_EBX~0)} is VALID [2020-07-28 21:29:39,850 INFO L280 TraceCheckUtils]: 2: Hoare triple {1878#(= 0 ~__unbuffered_p2_EBX~0)} [174] P0ENTRY-->L715: Formula: (and (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= v_P0Thread1of1ForFork0_~arg.base_4 |v_P0Thread1of1ForFork0_#in~arg.base_4|) (= 2 v_~y~0_9)) 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|, ~y~0=v_~y~0_9, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_4, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_4} AuxVars[] AssignedVars[~y~0, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {1878#(= 0 ~__unbuffered_p2_EBX~0)} is VALID [2020-07-28 21:29:39,851 INFO L280 TraceCheckUtils]: 3: Hoare triple {1878#(= 0 ~__unbuffered_p2_EBX~0)} [206] L770-1-->L772: Formula: (and (= 0 |v_ULTIMATE.start_main_~#t1916~0.offset_10|) (= |v_#valid_34| (store |v_#valid_35| |v_ULTIMATE.start_main_~#t1916~0.base_12| 1)) (not (= 0 |v_ULTIMATE.start_main_~#t1916~0.base_12|)) (= |v_#memory_int_7| (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t1916~0.base_12| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t1916~0.base_12|) |v_ULTIMATE.start_main_~#t1916~0.offset_10| 1))) (= 0 (select |v_#valid_35| |v_ULTIMATE.start_main_~#t1916~0.base_12|)) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t1916~0.base_12|) (= (store |v_#length_14| |v_ULTIMATE.start_main_~#t1916~0.base_12| 4) |v_#length_13|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_35|, #memory_int=|v_#memory_int_8|, #length=|v_#length_14|} OutVars{ULTIMATE.start_main_~#t1916~0.offset=|v_ULTIMATE.start_main_~#t1916~0.offset_10|, #StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_7|, #length=|v_#length_13|, ULTIMATE.start_main_~#t1916~0.base=|v_ULTIMATE.start_main_~#t1916~0.base_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1916~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length, ULTIMATE.start_main_~#t1916~0.base] {1878#(= 0 ~__unbuffered_p2_EBX~0)} is VALID [2020-07-28 21:29:39,853 INFO L280 TraceCheckUtils]: 4: Hoare triple {1878#(= 0 ~__unbuffered_p2_EBX~0)} [167] L772-->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] {1878#(= 0 ~__unbuffered_p2_EBX~0)} is VALID [2020-07-28 21:29:39,854 INFO L280 TraceCheckUtils]: 5: Hoare triple {1878#(= 0 ~__unbuffered_p2_EBX~0)} [208] L772-1-->L774: Formula: (and (= (store |v_#valid_37| |v_ULTIMATE.start_main_~#t1917~0.base_12| 1) |v_#valid_36|) (= |v_#memory_int_9| (store |v_#memory_int_10| |v_ULTIMATE.start_main_~#t1917~0.base_12| (store (select |v_#memory_int_10| |v_ULTIMATE.start_main_~#t1917~0.base_12|) |v_ULTIMATE.start_main_~#t1917~0.offset_10| 2))) (not (= 0 |v_ULTIMATE.start_main_~#t1917~0.base_12|)) (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t1917~0.base_12| 4) |v_#length_15|) (= 0 (select |v_#valid_37| |v_ULTIMATE.start_main_~#t1917~0.base_12|)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t1917~0.base_12|) (= 0 |v_ULTIMATE.start_main_~#t1917~0.offset_10|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_10|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t1917~0.base=|v_ULTIMATE.start_main_~#t1917~0.base_12|, #valid=|v_#valid_36|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_9|, #length=|v_#length_15|, ULTIMATE.start_main_~#t1917~0.offset=|v_ULTIMATE.start_main_~#t1917~0.offset_10|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1917~0.base, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t1917~0.offset] {1878#(= 0 ~__unbuffered_p2_EBX~0)} is VALID [2020-07-28 21:29:39,858 INFO L280 TraceCheckUtils]: 6: Hoare triple {1878#(= 0 ~__unbuffered_p2_EBX~0)} [169] L774-->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] {1878#(= 0 ~__unbuffered_p2_EBX~0)} is VALID [2020-07-28 21:29:39,859 INFO L280 TraceCheckUtils]: 7: Hoare triple {1878#(= 0 ~__unbuffered_p2_EBX~0)} [216] L774-1-->L3: Formula: (and (= (mod v_~main$tmp_guard0~0_31 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_20|) (let ((.cse0 (= v_~__unbuffered_cnt~0_134 3))) (or (and (not .cse0) (= 0 v_~main$tmp_guard0~0_31)) (and .cse0 (= 1 v_~main$tmp_guard0~0_31)))) (= v_ULTIMATE.start_assume_abort_if_not_~cond_16 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_20|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_134} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_20|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_16, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_11|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_134, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_31} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {1878#(= 0 ~__unbuffered_p2_EBX~0)} is VALID [2020-07-28 21:29:39,861 INFO L280 TraceCheckUtils]: 8: Hoare triple {1878#(= 0 ~__unbuffered_p2_EBX~0)} [221] L3-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 1 v_~__unbuffered_p2_EAX~0_30) (= v_~__unbuffered_p2_EBX~0_35 1) (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_19) (= v_ULTIMATE.start___VERIFIER_assert_~expression_19 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_13|) (= 0 v_~__unbuffered_p0_EAX~0_34) (= 0 v_~main$tmp_guard1~0_30) (= 2 v_~y~0_46) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_25))) InVars {~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_34, ~__unbuffered_p2_EBX~0=v_~__unbuffered_p2_EBX~0_35, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_25, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_30, ~y~0=v_~y~0_46} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_34, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_19, ~__unbuffered_p2_EBX~0=v_~__unbuffered_p2_EBX~0_35, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_25, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_30, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_30, ~y~0=v_~y~0_46, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_13|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {1877#false} is VALID [2020-07-28 21:29:39,862 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 21:29:39,862 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325072127] [2020-07-28 21:29:39,864 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:29:39,864 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-07-28 21:29:39,864 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917583942] [2020-07-28 21:29:39,866 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-07-28 21:29:39,866 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:29:39,866 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 21:29:39,879 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 21:29:39,880 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 21:29:39,880 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:29:39,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 21:29:39,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 21:29:39,881 INFO L87 Difference]: Start difference. First operand 226 states and 626 transitions. Second operand 3 states. [2020-07-28 21:29:39,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:29:39,923 INFO L93 Difference]: Finished difference Result 198 states and 530 transitions. [2020-07-28 21:29:39,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 21:29:39,924 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-07-28 21:29:39,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:29:39,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 21:29:39,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 25 transitions. [2020-07-28 21:29:39,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 21:29:39,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 25 transitions. [2020-07-28 21:29:39,925 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 25 transitions. [2020-07-28 21:29:39,959 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:29:39,965 INFO L225 Difference]: With dead ends: 198 [2020-07-28 21:29:39,965 INFO L226 Difference]: Without dead ends: 198 [2020-07-28 21:29:39,966 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 21:29:39,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2020-07-28 21:29:39,974 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,974 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,974 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,975 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,975 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,975 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,975 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,976 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,976 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,976 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,976 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,976 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,977 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,977 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,977 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,977 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,977 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,978 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,978 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,978 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,978 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,978 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,979 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,979 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,979 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,979 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,979 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,980 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,980 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,980 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,980 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,981 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,981 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,981 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,981 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,981 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,982 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,982 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,982 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,982 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,982 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,983 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,983 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,983 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,983 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,984 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,984 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,984 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,984 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,984 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,985 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,985 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,985 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,985 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,985 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,986 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,986 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,986 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,986 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,986 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,987 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,987 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,987 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,987 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,987 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,988 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,988 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,988 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,988 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,988 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,989 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,989 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,989 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,989 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,989 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,990 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,990 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,990 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,990 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,991 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,991 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,991 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,991 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,991 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,992 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,992 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,992 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,992 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,993 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,993 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,993 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,993 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,994 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,994 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,994 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,994 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,994 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,995 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,995 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,995 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,995 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,995 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,996 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,996 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,996 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,996 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,996 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,997 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,997 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,997 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,997 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,998 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,998 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,998 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,998 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,998 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,999 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,999 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,999 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,999 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,999 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:39,999 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,000 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,000 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,000 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,000 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,001 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,001 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,001 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,001 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,001 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,002 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,002 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,002 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,002 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,002 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,003 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,003 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,003 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,003 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,004 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,004 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,004 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,004 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,004 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,004 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,005 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,005 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,005 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,005 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,005 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,006 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,006 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,006 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,006 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,006 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,007 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,007 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,007 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,007 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,007 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,008 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,008 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,008 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,008 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,009 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,009 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,009 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,009 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,009 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,010 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,010 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,010 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,010 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,010 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,011 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,011 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,011 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,011 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,012 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,012 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,012 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,012 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,012 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,013 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,013 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,013 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,013 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,013 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,014 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,014 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,014 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,014 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,015 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,015 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,015 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,015 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,016 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2020-07-28 21:29:40,016 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:29:40,017 INFO L82 GeneralOperation]: Start isEquivalent. First operand 198 states. Second operand 198 states. [2020-07-28 21:29:40,017 INFO L74 IsIncluded]: Start isIncluded. First operand 198 states. Second operand 198 states. [2020-07-28 21:29:40,017 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 198 states. [2020-07-28 21:29:40,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:29:40,028 INFO L93 Difference]: Finished difference Result 198 states and 530 transitions. [2020-07-28 21:29:40,028 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 530 transitions. [2020-07-28 21:29:40,029 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:29:40,029 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:29:40,029 INFO L74 IsIncluded]: Start isIncluded. First operand 198 states. Second operand 198 states. [2020-07-28 21:29:40,030 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 198 states. [2020-07-28 21:29:40,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:29:40,042 INFO L93 Difference]: Finished difference Result 198 states and 530 transitions. [2020-07-28 21:29:40,042 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 530 transitions. [2020-07-28 21:29:40,042 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:29:40,043 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:29:40,043 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:29:40,043 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:29:40,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2020-07-28 21:29:40,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 530 transitions. [2020-07-28 21:29:40,054 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 530 transitions. Word has length 9 [2020-07-28 21:29:40,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:29:40,055 INFO L479 AbstractCegarLoop]: Abstraction has 198 states and 530 transitions. [2020-07-28 21:29:40,055 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 21:29:40,055 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 530 transitions. [2020-07-28 21:29:40,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-07-28 21:29:40,056 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:29:40,056 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:29:40,056 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 21:29:40,056 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:29:40,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:29:40,057 INFO L82 PathProgramCache]: Analyzing trace with hash -1533986257, now seen corresponding path program 1 times [2020-07-28 21:29:40,057 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:29:40,057 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145453832] [2020-07-28 21:29:40,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:29:40,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:29:40,139 INFO L280 TraceCheckUtils]: 0: Hoare triple {2871#true} [225] ULTIMATE.startENTRY-->L770: Formula: (let ((.cse0 (store |v_#valid_58| 0 0))) (and (= 0 v_~y~0_57) (= 0 v_~main$tmp_guard0~0_41) (= |v_#valid_56| (store .cse0 |v_ULTIMATE.start_main_~#t1915~0.base_24| 1)) (= (store |v_#length_22| |v_ULTIMATE.start_main_~#t1915~0.base_24| 4) |v_#length_21|) (= (store |v_#memory_int_16| |v_ULTIMATE.start_main_~#t1915~0.base_24| (store (select |v_#memory_int_16| |v_ULTIMATE.start_main_~#t1915~0.base_24|) |v_ULTIMATE.start_main_~#t1915~0.offset_17| 0)) |v_#memory_int_15|) (= 0 v_~main$tmp_guard1~0_41) (< |v_#StackHeapBarrier_16| |v_ULTIMATE.start_main_~#t1915~0.base_24|) (= 0 v_~__unbuffered_p0_EAX~0_46) (< 0 |v_#StackHeapBarrier_16|) (= 0 |v_#NULL.offset_4|) (= 0 v_~__unbuffered_p2_EAX~0_41) (= v_~__unbuffered_p2_EBX~0_49 0) (= 0 v_~x~0_23) (= v_~__unbuffered_cnt~0_188 0) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1915~0.base_24|)) (= 0 |v_ULTIMATE.start_main_~#t1915~0.offset_17|) (= 0 |v_#NULL.base_4|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_16|, #valid=|v_#valid_58|, #memory_int=|v_#memory_int_16|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_~#t1916~0.offset=|v_ULTIMATE.start_main_~#t1916~0.offset_18|, ~__unbuffered_p2_EBX~0=v_~__unbuffered_p2_EBX~0_49, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_20|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_8|, #NULL.offset=|v_#NULL.offset_4|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_41, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_41, ULTIMATE.start_main_~#t1916~0.base=|v_ULTIMATE.start_main_~#t1916~0.base_25|, #NULL.base=|v_#NULL.base_4|, #StackHeapBarrier=|v_#StackHeapBarrier_16|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_46, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_15|, #valid=|v_#valid_56|, ULTIMATE.start_main_~#t1917~0.base=|v_ULTIMATE.start_main_~#t1917~0.base_25|, #memory_int=|v_#memory_int_15|, ULTIMATE.start_main_~#t1915~0.base=|v_ULTIMATE.start_main_~#t1915~0.base_24|, #length=|v_#length_21|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_41, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_188, ~y~0=v_~y~0_57, ~x~0=v_~x~0_23, ULTIMATE.start_main_~#t1917~0.offset=|v_ULTIMATE.start_main_~#t1917~0.offset_18|, ULTIMATE.start_main_~#t1915~0.offset=|v_ULTIMATE.start_main_~#t1915~0.offset_17|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1916~0.offset, ~__unbuffered_p2_EBX~0, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, ULTIMATE.start_main_~#t1916~0.base, #NULL.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_#res, #valid, ULTIMATE.start_main_~#t1917~0.base, #memory_int, ULTIMATE.start_main_~#t1915~0.base, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~y~0, ~x~0, ULTIMATE.start_main_~#t1917~0.offset, ULTIMATE.start_main_~#t1915~0.offset] {2871#true} is VALID [2020-07-28 21:29:40,139 INFO L280 TraceCheckUtils]: 1: Hoare triple {2871#true} [165] L770-->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] {2871#true} is VALID [2020-07-28 21:29:40,140 INFO L280 TraceCheckUtils]: 2: Hoare triple {2871#true} [174] P0ENTRY-->L715: Formula: (and (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= v_P0Thread1of1ForFork0_~arg.base_4 |v_P0Thread1of1ForFork0_#in~arg.base_4|) (= 2 v_~y~0_9)) 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|, ~y~0=v_~y~0_9, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_4, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_4} AuxVars[] AssignedVars[~y~0, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {2873#(<= 2 ~y~0)} is VALID [2020-07-28 21:29:40,141 INFO L280 TraceCheckUtils]: 3: Hoare triple {2873#(<= 2 ~y~0)} [206] L770-1-->L772: Formula: (and (= 0 |v_ULTIMATE.start_main_~#t1916~0.offset_10|) (= |v_#valid_34| (store |v_#valid_35| |v_ULTIMATE.start_main_~#t1916~0.base_12| 1)) (not (= 0 |v_ULTIMATE.start_main_~#t1916~0.base_12|)) (= |v_#memory_int_7| (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t1916~0.base_12| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t1916~0.base_12|) |v_ULTIMATE.start_main_~#t1916~0.offset_10| 1))) (= 0 (select |v_#valid_35| |v_ULTIMATE.start_main_~#t1916~0.base_12|)) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t1916~0.base_12|) (= (store |v_#length_14| |v_ULTIMATE.start_main_~#t1916~0.base_12| 4) |v_#length_13|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_35|, #memory_int=|v_#memory_int_8|, #length=|v_#length_14|} OutVars{ULTIMATE.start_main_~#t1916~0.offset=|v_ULTIMATE.start_main_~#t1916~0.offset_10|, #StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_7|, #length=|v_#length_13|, ULTIMATE.start_main_~#t1916~0.base=|v_ULTIMATE.start_main_~#t1916~0.base_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1916~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length, ULTIMATE.start_main_~#t1916~0.base] {2873#(<= 2 ~y~0)} is VALID [2020-07-28 21:29:40,141 INFO L280 TraceCheckUtils]: 4: Hoare triple {2873#(<= 2 ~y~0)} [167] L772-->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] {2873#(<= 2 ~y~0)} is VALID [2020-07-28 21:29:40,142 INFO L280 TraceCheckUtils]: 5: Hoare triple {2873#(<= 2 ~y~0)} [208] L772-1-->L774: Formula: (and (= (store |v_#valid_37| |v_ULTIMATE.start_main_~#t1917~0.base_12| 1) |v_#valid_36|) (= |v_#memory_int_9| (store |v_#memory_int_10| |v_ULTIMATE.start_main_~#t1917~0.base_12| (store (select |v_#memory_int_10| |v_ULTIMATE.start_main_~#t1917~0.base_12|) |v_ULTIMATE.start_main_~#t1917~0.offset_10| 2))) (not (= 0 |v_ULTIMATE.start_main_~#t1917~0.base_12|)) (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t1917~0.base_12| 4) |v_#length_15|) (= 0 (select |v_#valid_37| |v_ULTIMATE.start_main_~#t1917~0.base_12|)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t1917~0.base_12|) (= 0 |v_ULTIMATE.start_main_~#t1917~0.offset_10|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_10|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t1917~0.base=|v_ULTIMATE.start_main_~#t1917~0.base_12|, #valid=|v_#valid_36|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_9|, #length=|v_#length_15|, ULTIMATE.start_main_~#t1917~0.offset=|v_ULTIMATE.start_main_~#t1917~0.offset_10|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1917~0.base, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t1917~0.offset] {2873#(<= 2 ~y~0)} is VALID [2020-07-28 21:29:40,144 INFO L280 TraceCheckUtils]: 6: Hoare triple {2873#(<= 2 ~y~0)} [169] L774-->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] {2873#(<= 2 ~y~0)} is VALID [2020-07-28 21:29:40,146 INFO L280 TraceCheckUtils]: 7: Hoare triple {2873#(<= 2 ~y~0)} [216] L774-1-->L3: Formula: (and (= (mod v_~main$tmp_guard0~0_31 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_20|) (let ((.cse0 (= v_~__unbuffered_cnt~0_134 3))) (or (and (not .cse0) (= 0 v_~main$tmp_guard0~0_31)) (and .cse0 (= 1 v_~main$tmp_guard0~0_31)))) (= v_ULTIMATE.start_assume_abort_if_not_~cond_16 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_20|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_134} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_20|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_16, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_11|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_134, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_31} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {2873#(<= 2 ~y~0)} is VALID [2020-07-28 21:29:40,147 INFO L280 TraceCheckUtils]: 8: Hoare triple {2873#(<= 2 ~y~0)} [175] P2ENTRY-->L747: 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_~__unbuffered_p2_EAX~0_6 v_~y~0_10)) 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_6, 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] {2873#(<= 2 ~y~0)} is VALID [2020-07-28 21:29:40,148 INFO L280 TraceCheckUtils]: 9: Hoare triple {2873#(<= 2 ~y~0)} [160] L747-->L750: Formula: (= v_~__unbuffered_p2_EBX~0_1 v_~y~0_4) InVars {~y~0=v_~y~0_4} OutVars{~y~0=v_~y~0_4, ~__unbuffered_p2_EBX~0=v_~__unbuffered_p2_EBX~0_1} AuxVars[] AssignedVars[~__unbuffered_p2_EBX~0] {2874#(<= 2 ~__unbuffered_p2_EBX~0)} is VALID [2020-07-28 21:29:40,149 INFO L280 TraceCheckUtils]: 10: Hoare triple {2874#(<= 2 ~__unbuffered_p2_EBX~0)} [221] L3-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 1 v_~__unbuffered_p2_EAX~0_30) (= v_~__unbuffered_p2_EBX~0_35 1) (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_19) (= v_ULTIMATE.start___VERIFIER_assert_~expression_19 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_13|) (= 0 v_~__unbuffered_p0_EAX~0_34) (= 0 v_~main$tmp_guard1~0_30) (= 2 v_~y~0_46) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_25))) InVars {~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_34, ~__unbuffered_p2_EBX~0=v_~__unbuffered_p2_EBX~0_35, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_25, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_30, ~y~0=v_~y~0_46} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_34, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_19, ~__unbuffered_p2_EBX~0=v_~__unbuffered_p2_EBX~0_35, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_25, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_30, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_30, ~y~0=v_~y~0_46, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_13|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {2872#false} is VALID [2020-07-28 21:29:40,150 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 21:29:40,150 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145453832] [2020-07-28 21:29:40,150 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:29:40,150 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 21:29:40,151 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692001649] [2020-07-28 21:29:40,151 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-07-28 21:29:40,151 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:29:40,151 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 21:29:40,168 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:29:40,168 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 21:29:40,168 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:29:40,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 21:29:40,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 21:29:40,169 INFO L87 Difference]: Start difference. First operand 198 states and 530 transitions. Second operand 4 states. [2020-07-28 21:29:40,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:29:40,309 INFO L93 Difference]: Finished difference Result 342 states and 872 transitions. [2020-07-28 21:29:40,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 21:29:40,309 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-07-28 21:29:40,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:29:40,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:29:40,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 46 transitions. [2020-07-28 21:29:40,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:29:40,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 46 transitions. [2020-07-28 21:29:40,311 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 46 transitions. [2020-07-28 21:29:40,377 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 46 edges. 46 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:29:40,383 INFO L225 Difference]: With dead ends: 342 [2020-07-28 21:29:40,383 INFO L226 Difference]: Without dead ends: 234 [2020-07-28 21:29:40,383 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 21:29:40,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2020-07-28 21:29:40,390 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,391 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,391 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,391 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,391 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,391 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,392 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,392 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,392 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,392 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,392 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,393 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,393 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,393 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,393 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,393 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,394 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,394 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,394 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,394 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,394 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,395 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,395 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,395 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,395 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,395 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,396 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,396 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,396 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,396 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,396 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,396 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,397 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,397 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,397 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,397 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,397 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,398 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,398 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,398 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,398 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,398 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,399 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,399 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,399 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,399 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,399 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,399 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,400 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,400 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,400 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,400 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,400 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,401 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,401 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,401 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,401 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,401 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,402 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,402 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,402 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,402 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,402 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,402 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,403 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,403 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,403 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,403 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,403 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,404 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,404 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,404 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,404 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,404 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,405 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,405 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,405 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,405 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,405 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,406 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,406 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,406 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,406 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,406 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,407 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,407 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,407 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,407 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,407 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,408 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,408 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,408 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,408 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,408 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,408 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,409 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,409 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,409 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,409 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,409 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,410 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,410 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,410 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,410 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,410 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,411 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,411 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,411 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,411 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,411 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,411 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,412 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,412 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,412 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,412 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,412 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,413 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,413 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,413 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,413 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,413 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,414 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,414 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,414 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,414 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,414 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,415 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,415 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,415 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,415 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,415 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,415 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,416 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,416 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,416 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,416 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,417 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,417 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,417 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,417 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,417 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,417 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,418 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,418 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,418 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,418 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,418 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,419 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,419 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,419 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,419 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,419 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,420 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,420 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,420 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,420 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,420 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,421 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,421 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,421 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,421 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,422 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,422 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,422 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,422 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,423 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,423 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,423 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,423 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,424 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,424 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,424 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,424 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,425 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,425 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,425 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,425 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,426 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,426 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,426 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,426 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,427 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,427 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,427 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,427 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,428 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,428 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,428 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,428 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,429 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,429 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,429 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,429 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,430 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,430 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,430 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,431 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,431 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 198. [2020-07-28 21:29:40,432 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:29:40,432 INFO L82 GeneralOperation]: Start isEquivalent. First operand 234 states. Second operand 198 states. [2020-07-28 21:29:40,432 INFO L74 IsIncluded]: Start isIncluded. First operand 234 states. Second operand 198 states. [2020-07-28 21:29:40,432 INFO L87 Difference]: Start difference. First operand 234 states. Second operand 198 states. [2020-07-28 21:29:40,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:29:40,445 INFO L93 Difference]: Finished difference Result 234 states and 590 transitions. [2020-07-28 21:29:40,445 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 590 transitions. [2020-07-28 21:29:40,446 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:29:40,446 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:29:40,446 INFO L74 IsIncluded]: Start isIncluded. First operand 198 states. Second operand 234 states. [2020-07-28 21:29:40,447 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 234 states. [2020-07-28 21:29:40,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:29:40,461 INFO L93 Difference]: Finished difference Result 234 states and 590 transitions. [2020-07-28 21:29:40,461 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 590 transitions. [2020-07-28 21:29:40,462 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:29:40,462 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:29:40,462 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:29:40,462 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:29:40,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2020-07-28 21:29:40,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 506 transitions. [2020-07-28 21:29:40,474 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 506 transitions. Word has length 11 [2020-07-28 21:29:40,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:29:40,474 INFO L479 AbstractCegarLoop]: Abstraction has 198 states and 506 transitions. [2020-07-28 21:29:40,474 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 21:29:40,475 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 506 transitions. [2020-07-28 21:29:40,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-07-28 21:29:40,475 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:29:40,475 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:29:40,476 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 21:29:40,476 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:29:40,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:29:40,476 INFO L82 PathProgramCache]: Analyzing trace with hash -1834534815, now seen corresponding path program 2 times [2020-07-28 21:29:40,476 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:29:40,477 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302916793] [2020-07-28 21:29:40,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:29:40,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:29:40,564 INFO L280 TraceCheckUtils]: 0: Hoare triple {4085#true} [225] ULTIMATE.startENTRY-->L770: Formula: (let ((.cse0 (store |v_#valid_58| 0 0))) (and (= 0 v_~y~0_57) (= 0 v_~main$tmp_guard0~0_41) (= |v_#valid_56| (store .cse0 |v_ULTIMATE.start_main_~#t1915~0.base_24| 1)) (= (store |v_#length_22| |v_ULTIMATE.start_main_~#t1915~0.base_24| 4) |v_#length_21|) (= (store |v_#memory_int_16| |v_ULTIMATE.start_main_~#t1915~0.base_24| (store (select |v_#memory_int_16| |v_ULTIMATE.start_main_~#t1915~0.base_24|) |v_ULTIMATE.start_main_~#t1915~0.offset_17| 0)) |v_#memory_int_15|) (= 0 v_~main$tmp_guard1~0_41) (< |v_#StackHeapBarrier_16| |v_ULTIMATE.start_main_~#t1915~0.base_24|) (= 0 v_~__unbuffered_p0_EAX~0_46) (< 0 |v_#StackHeapBarrier_16|) (= 0 |v_#NULL.offset_4|) (= 0 v_~__unbuffered_p2_EAX~0_41) (= v_~__unbuffered_p2_EBX~0_49 0) (= 0 v_~x~0_23) (= v_~__unbuffered_cnt~0_188 0) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1915~0.base_24|)) (= 0 |v_ULTIMATE.start_main_~#t1915~0.offset_17|) (= 0 |v_#NULL.base_4|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_16|, #valid=|v_#valid_58|, #memory_int=|v_#memory_int_16|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_~#t1916~0.offset=|v_ULTIMATE.start_main_~#t1916~0.offset_18|, ~__unbuffered_p2_EBX~0=v_~__unbuffered_p2_EBX~0_49, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_20|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_8|, #NULL.offset=|v_#NULL.offset_4|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_41, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_41, ULTIMATE.start_main_~#t1916~0.base=|v_ULTIMATE.start_main_~#t1916~0.base_25|, #NULL.base=|v_#NULL.base_4|, #StackHeapBarrier=|v_#StackHeapBarrier_16|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_46, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_15|, #valid=|v_#valid_56|, ULTIMATE.start_main_~#t1917~0.base=|v_ULTIMATE.start_main_~#t1917~0.base_25|, #memory_int=|v_#memory_int_15|, ULTIMATE.start_main_~#t1915~0.base=|v_ULTIMATE.start_main_~#t1915~0.base_24|, #length=|v_#length_21|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_41, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_188, ~y~0=v_~y~0_57, ~x~0=v_~x~0_23, ULTIMATE.start_main_~#t1917~0.offset=|v_ULTIMATE.start_main_~#t1917~0.offset_18|, ULTIMATE.start_main_~#t1915~0.offset=|v_ULTIMATE.start_main_~#t1915~0.offset_17|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1916~0.offset, ~__unbuffered_p2_EBX~0, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, ULTIMATE.start_main_~#t1916~0.base, #NULL.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_#res, #valid, ULTIMATE.start_main_~#t1917~0.base, #memory_int, ULTIMATE.start_main_~#t1915~0.base, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~y~0, ~x~0, ULTIMATE.start_main_~#t1917~0.offset, ULTIMATE.start_main_~#t1915~0.offset] {4087#(= 0 ~y~0)} is VALID [2020-07-28 21:29:40,565 INFO L280 TraceCheckUtils]: 1: Hoare triple {4087#(= 0 ~y~0)} [165] L770-->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] {4087#(= 0 ~y~0)} is VALID [2020-07-28 21:29:40,566 INFO L280 TraceCheckUtils]: 2: Hoare triple {4087#(= 0 ~y~0)} [206] L770-1-->L772: Formula: (and (= 0 |v_ULTIMATE.start_main_~#t1916~0.offset_10|) (= |v_#valid_34| (store |v_#valid_35| |v_ULTIMATE.start_main_~#t1916~0.base_12| 1)) (not (= 0 |v_ULTIMATE.start_main_~#t1916~0.base_12|)) (= |v_#memory_int_7| (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t1916~0.base_12| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t1916~0.base_12|) |v_ULTIMATE.start_main_~#t1916~0.offset_10| 1))) (= 0 (select |v_#valid_35| |v_ULTIMATE.start_main_~#t1916~0.base_12|)) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t1916~0.base_12|) (= (store |v_#length_14| |v_ULTIMATE.start_main_~#t1916~0.base_12| 4) |v_#length_13|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_35|, #memory_int=|v_#memory_int_8|, #length=|v_#length_14|} OutVars{ULTIMATE.start_main_~#t1916~0.offset=|v_ULTIMATE.start_main_~#t1916~0.offset_10|, #StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_7|, #length=|v_#length_13|, ULTIMATE.start_main_~#t1916~0.base=|v_ULTIMATE.start_main_~#t1916~0.base_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1916~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length, ULTIMATE.start_main_~#t1916~0.base] {4087#(= 0 ~y~0)} is VALID [2020-07-28 21:29:40,566 INFO L280 TraceCheckUtils]: 3: Hoare triple {4087#(= 0 ~y~0)} [167] L772-->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] {4087#(= 0 ~y~0)} is VALID [2020-07-28 21:29:40,567 INFO L280 TraceCheckUtils]: 4: Hoare triple {4087#(= 0 ~y~0)} [208] L772-1-->L774: Formula: (and (= (store |v_#valid_37| |v_ULTIMATE.start_main_~#t1917~0.base_12| 1) |v_#valid_36|) (= |v_#memory_int_9| (store |v_#memory_int_10| |v_ULTIMATE.start_main_~#t1917~0.base_12| (store (select |v_#memory_int_10| |v_ULTIMATE.start_main_~#t1917~0.base_12|) |v_ULTIMATE.start_main_~#t1917~0.offset_10| 2))) (not (= 0 |v_ULTIMATE.start_main_~#t1917~0.base_12|)) (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t1917~0.base_12| 4) |v_#length_15|) (= 0 (select |v_#valid_37| |v_ULTIMATE.start_main_~#t1917~0.base_12|)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t1917~0.base_12|) (= 0 |v_ULTIMATE.start_main_~#t1917~0.offset_10|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_10|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t1917~0.base=|v_ULTIMATE.start_main_~#t1917~0.base_12|, #valid=|v_#valid_36|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_9|, #length=|v_#length_15|, ULTIMATE.start_main_~#t1917~0.offset=|v_ULTIMATE.start_main_~#t1917~0.offset_10|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1917~0.base, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t1917~0.offset] {4087#(= 0 ~y~0)} is VALID [2020-07-28 21:29:40,568 INFO L280 TraceCheckUtils]: 5: Hoare triple {4087#(= 0 ~y~0)} [169] L774-->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] {4087#(= 0 ~y~0)} is VALID [2020-07-28 21:29:40,568 INFO L280 TraceCheckUtils]: 6: Hoare triple {4087#(= 0 ~y~0)} [216] L774-1-->L3: Formula: (and (= (mod v_~main$tmp_guard0~0_31 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_20|) (let ((.cse0 (= v_~__unbuffered_cnt~0_134 3))) (or (and (not .cse0) (= 0 v_~main$tmp_guard0~0_31)) (and .cse0 (= 1 v_~main$tmp_guard0~0_31)))) (= v_ULTIMATE.start_assume_abort_if_not_~cond_16 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_20|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_134} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_20|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_16, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_11|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_134, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_31} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {4087#(= 0 ~y~0)} is VALID [2020-07-28 21:29:40,569 INFO L280 TraceCheckUtils]: 7: Hoare triple {4087#(= 0 ~y~0)} [175] P2ENTRY-->L747: 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_~__unbuffered_p2_EAX~0_6 v_~y~0_10)) 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_6, 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] {4087#(= 0 ~y~0)} is VALID [2020-07-28 21:29:40,570 INFO L280 TraceCheckUtils]: 8: Hoare triple {4087#(= 0 ~y~0)} [160] L747-->L750: Formula: (= v_~__unbuffered_p2_EBX~0_1 v_~y~0_4) InVars {~y~0=v_~y~0_4} OutVars{~y~0=v_~y~0_4, ~__unbuffered_p2_EBX~0=v_~__unbuffered_p2_EBX~0_1} AuxVars[] AssignedVars[~__unbuffered_p2_EBX~0] {4088#(= 0 ~__unbuffered_p2_EBX~0)} is VALID [2020-07-28 21:29:40,570 INFO L280 TraceCheckUtils]: 9: Hoare triple {4088#(= 0 ~__unbuffered_p2_EBX~0)} [174] P0ENTRY-->L715: Formula: (and (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= v_P0Thread1of1ForFork0_~arg.base_4 |v_P0Thread1of1ForFork0_#in~arg.base_4|) (= 2 v_~y~0_9)) 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|, ~y~0=v_~y~0_9, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_4, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_4} AuxVars[] AssignedVars[~y~0, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {4088#(= 0 ~__unbuffered_p2_EBX~0)} is VALID [2020-07-28 21:29:40,571 INFO L280 TraceCheckUtils]: 10: Hoare triple {4088#(= 0 ~__unbuffered_p2_EBX~0)} [221] L3-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 1 v_~__unbuffered_p2_EAX~0_30) (= v_~__unbuffered_p2_EBX~0_35 1) (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_19) (= v_ULTIMATE.start___VERIFIER_assert_~expression_19 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_13|) (= 0 v_~__unbuffered_p0_EAX~0_34) (= 0 v_~main$tmp_guard1~0_30) (= 2 v_~y~0_46) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_25))) InVars {~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_34, ~__unbuffered_p2_EBX~0=v_~__unbuffered_p2_EBX~0_35, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_25, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_30, ~y~0=v_~y~0_46} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_34, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_19, ~__unbuffered_p2_EBX~0=v_~__unbuffered_p2_EBX~0_35, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_25, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_30, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_30, ~y~0=v_~y~0_46, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_13|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {4086#false} is VALID [2020-07-28 21:29:40,572 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 21:29:40,572 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302916793] [2020-07-28 21:29:40,573 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:29:40,573 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 21:29:40,573 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238095621] [2020-07-28 21:29:40,574 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-07-28 21:29:40,574 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:29:40,574 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 21:29:40,594 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:29:40,594 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 21:29:40,594 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:29:40,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 21:29:40,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 21:29:40,595 INFO L87 Difference]: Start difference. First operand 198 states and 506 transitions. Second operand 4 states. [2020-07-28 21:29:40,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:29:40,678 INFO L93 Difference]: Finished difference Result 218 states and 540 transitions. [2020-07-28 21:29:40,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-28 21:29:40,678 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-07-28 21:29:40,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:29:40,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:29:40,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 35 transitions. [2020-07-28 21:29:40,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:29:40,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 35 transitions. [2020-07-28 21:29:40,681 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 35 transitions. [2020-07-28 21:29:40,728 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:29:40,731 INFO L225 Difference]: With dead ends: 218 [2020-07-28 21:29:40,731 INFO L226 Difference]: Without dead ends: 154 [2020-07-28 21:29:40,732 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 21:29:40,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-07-28 21:29:40,736 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,737 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,737 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,737 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,737 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,738 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,738 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,738 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,739 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,739 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,739 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,740 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,740 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,740 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,741 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,741 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,741 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,742 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,742 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,742 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,742 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,743 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,743 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,743 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,744 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,744 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,744 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,745 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,745 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,745 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,745 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,746 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,746 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,746 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,747 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,747 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,747 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,748 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,748 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,748 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,748 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,749 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,749 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,749 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,750 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,750 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,750 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,751 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,751 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,751 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,751 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,752 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,752 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,752 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,753 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,753 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,753 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,754 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,754 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,754 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,754 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,755 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,755 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,755 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,756 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,756 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,756 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,757 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,757 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,757 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,757 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,758 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,758 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,758 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,759 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,759 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,759 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,760 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,760 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,760 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,760 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,761 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,761 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,761 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,762 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,762 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,762 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,762 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,763 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,763 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,763 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,764 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,764 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,764 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,765 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,765 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,765 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,766 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,766 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,766 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,767 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,767 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,767 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,768 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,768 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,768 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,768 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,769 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,769 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,769 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,770 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,770 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,770 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,771 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,771 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,771 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,772 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,772 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,772 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,773 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,773 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,773 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,773 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,774 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,774 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,774 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,775 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,775 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,775 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,776 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,776 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,776 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,777 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,777 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,777 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,778 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,778 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,778 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,779 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,779 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,779 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,780 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,780 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,780 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,781 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,781 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,781 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,782 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,782 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,782 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,782 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,783 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,783 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,783 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:40,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2020-07-28 21:29:40,784 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:29:40,785 INFO L82 GeneralOperation]: Start isEquivalent. First operand 154 states. Second operand 154 states. [2020-07-28 21:29:40,785 INFO L74 IsIncluded]: Start isIncluded. First operand 154 states. Second operand 154 states. [2020-07-28 21:29:40,785 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 154 states. [2020-07-28 21:29:40,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:29:40,792 INFO L93 Difference]: Finished difference Result 154 states and 376 transitions. [2020-07-28 21:29:40,792 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 376 transitions. [2020-07-28 21:29:40,792 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:29:40,793 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:29:40,793 INFO L74 IsIncluded]: Start isIncluded. First operand 154 states. Second operand 154 states. [2020-07-28 21:29:40,793 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 154 states. [2020-07-28 21:29:40,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:29:40,799 INFO L93 Difference]: Finished difference Result 154 states and 376 transitions. [2020-07-28 21:29:40,799 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 376 transitions. [2020-07-28 21:29:40,800 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:29:40,800 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:29:40,800 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:29:40,801 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:29:40,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2020-07-28 21:29:40,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 376 transitions. [2020-07-28 21:29:40,806 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 376 transitions. Word has length 11 [2020-07-28 21:29:40,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:29:40,807 INFO L479 AbstractCegarLoop]: Abstraction has 154 states and 376 transitions. [2020-07-28 21:29:40,807 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 21:29:40,807 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 376 transitions. [2020-07-28 21:29:40,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-28 21:29:40,808 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:29:40,808 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:29:40,808 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 21:29:40,809 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:29:40,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:29:40,809 INFO L82 PathProgramCache]: Analyzing trace with hash -1026948662, now seen corresponding path program 1 times [2020-07-28 21:29:40,810 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:29:40,810 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460341212] [2020-07-28 21:29:40,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:29:40,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:29:40,904 INFO L280 TraceCheckUtils]: 0: Hoare triple {4927#true} [225] ULTIMATE.startENTRY-->L770: Formula: (let ((.cse0 (store |v_#valid_58| 0 0))) (and (= 0 v_~y~0_57) (= 0 v_~main$tmp_guard0~0_41) (= |v_#valid_56| (store .cse0 |v_ULTIMATE.start_main_~#t1915~0.base_24| 1)) (= (store |v_#length_22| |v_ULTIMATE.start_main_~#t1915~0.base_24| 4) |v_#length_21|) (= (store |v_#memory_int_16| |v_ULTIMATE.start_main_~#t1915~0.base_24| (store (select |v_#memory_int_16| |v_ULTIMATE.start_main_~#t1915~0.base_24|) |v_ULTIMATE.start_main_~#t1915~0.offset_17| 0)) |v_#memory_int_15|) (= 0 v_~main$tmp_guard1~0_41) (< |v_#StackHeapBarrier_16| |v_ULTIMATE.start_main_~#t1915~0.base_24|) (= 0 v_~__unbuffered_p0_EAX~0_46) (< 0 |v_#StackHeapBarrier_16|) (= 0 |v_#NULL.offset_4|) (= 0 v_~__unbuffered_p2_EAX~0_41) (= v_~__unbuffered_p2_EBX~0_49 0) (= 0 v_~x~0_23) (= v_~__unbuffered_cnt~0_188 0) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1915~0.base_24|)) (= 0 |v_ULTIMATE.start_main_~#t1915~0.offset_17|) (= 0 |v_#NULL.base_4|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_16|, #valid=|v_#valid_58|, #memory_int=|v_#memory_int_16|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_~#t1916~0.offset=|v_ULTIMATE.start_main_~#t1916~0.offset_18|, ~__unbuffered_p2_EBX~0=v_~__unbuffered_p2_EBX~0_49, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_20|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_8|, #NULL.offset=|v_#NULL.offset_4|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_41, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_41, ULTIMATE.start_main_~#t1916~0.base=|v_ULTIMATE.start_main_~#t1916~0.base_25|, #NULL.base=|v_#NULL.base_4|, #StackHeapBarrier=|v_#StackHeapBarrier_16|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_46, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_15|, #valid=|v_#valid_56|, ULTIMATE.start_main_~#t1917~0.base=|v_ULTIMATE.start_main_~#t1917~0.base_25|, #memory_int=|v_#memory_int_15|, ULTIMATE.start_main_~#t1915~0.base=|v_ULTIMATE.start_main_~#t1915~0.base_24|, #length=|v_#length_21|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_41, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_188, ~y~0=v_~y~0_57, ~x~0=v_~x~0_23, ULTIMATE.start_main_~#t1917~0.offset=|v_ULTIMATE.start_main_~#t1917~0.offset_18|, ULTIMATE.start_main_~#t1915~0.offset=|v_ULTIMATE.start_main_~#t1915~0.offset_17|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1916~0.offset, ~__unbuffered_p2_EBX~0, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, ULTIMATE.start_main_~#t1916~0.base, #NULL.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_#res, #valid, ULTIMATE.start_main_~#t1917~0.base, #memory_int, ULTIMATE.start_main_~#t1915~0.base, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~y~0, ~x~0, ULTIMATE.start_main_~#t1917~0.offset, ULTIMATE.start_main_~#t1915~0.offset] {4927#true} is VALID [2020-07-28 21:29:40,904 INFO L280 TraceCheckUtils]: 1: Hoare triple {4927#true} [165] L770-->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] {4927#true} is VALID [2020-07-28 21:29:40,905 INFO L280 TraceCheckUtils]: 2: Hoare triple {4927#true} [206] L770-1-->L772: Formula: (and (= 0 |v_ULTIMATE.start_main_~#t1916~0.offset_10|) (= |v_#valid_34| (store |v_#valid_35| |v_ULTIMATE.start_main_~#t1916~0.base_12| 1)) (not (= 0 |v_ULTIMATE.start_main_~#t1916~0.base_12|)) (= |v_#memory_int_7| (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t1916~0.base_12| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t1916~0.base_12|) |v_ULTIMATE.start_main_~#t1916~0.offset_10| 1))) (= 0 (select |v_#valid_35| |v_ULTIMATE.start_main_~#t1916~0.base_12|)) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t1916~0.base_12|) (= (store |v_#length_14| |v_ULTIMATE.start_main_~#t1916~0.base_12| 4) |v_#length_13|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_35|, #memory_int=|v_#memory_int_8|, #length=|v_#length_14|} OutVars{ULTIMATE.start_main_~#t1916~0.offset=|v_ULTIMATE.start_main_~#t1916~0.offset_10|, #StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_7|, #length=|v_#length_13|, ULTIMATE.start_main_~#t1916~0.base=|v_ULTIMATE.start_main_~#t1916~0.base_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1916~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length, ULTIMATE.start_main_~#t1916~0.base] {4927#true} is VALID [2020-07-28 21:29:40,905 INFO L280 TraceCheckUtils]: 3: Hoare triple {4927#true} [167] L772-->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] {4927#true} is VALID [2020-07-28 21:29:40,905 INFO L280 TraceCheckUtils]: 4: Hoare triple {4927#true} [208] L772-1-->L774: Formula: (and (= (store |v_#valid_37| |v_ULTIMATE.start_main_~#t1917~0.base_12| 1) |v_#valid_36|) (= |v_#memory_int_9| (store |v_#memory_int_10| |v_ULTIMATE.start_main_~#t1917~0.base_12| (store (select |v_#memory_int_10| |v_ULTIMATE.start_main_~#t1917~0.base_12|) |v_ULTIMATE.start_main_~#t1917~0.offset_10| 2))) (not (= 0 |v_ULTIMATE.start_main_~#t1917~0.base_12|)) (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t1917~0.base_12| 4) |v_#length_15|) (= 0 (select |v_#valid_37| |v_ULTIMATE.start_main_~#t1917~0.base_12|)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t1917~0.base_12|) (= 0 |v_ULTIMATE.start_main_~#t1917~0.offset_10|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_10|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t1917~0.base=|v_ULTIMATE.start_main_~#t1917~0.base_12|, #valid=|v_#valid_36|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_9|, #length=|v_#length_15|, ULTIMATE.start_main_~#t1917~0.offset=|v_ULTIMATE.start_main_~#t1917~0.offset_10|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1917~0.base, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t1917~0.offset] {4927#true} is VALID [2020-07-28 21:29:40,906 INFO L280 TraceCheckUtils]: 5: Hoare triple {4927#true} [169] L774-->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] {4927#true} is VALID [2020-07-28 21:29:40,906 INFO L280 TraceCheckUtils]: 6: Hoare triple {4927#true} [216] L774-1-->L3: Formula: (and (= (mod v_~main$tmp_guard0~0_31 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_20|) (let ((.cse0 (= v_~__unbuffered_cnt~0_134 3))) (or (and (not .cse0) (= 0 v_~main$tmp_guard0~0_31)) (and .cse0 (= 1 v_~main$tmp_guard0~0_31)))) (= v_ULTIMATE.start_assume_abort_if_not_~cond_16 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_20|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_134} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_20|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_16, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_11|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_134, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_31} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {4927#true} is VALID [2020-07-28 21:29:40,906 INFO L280 TraceCheckUtils]: 7: Hoare triple {4927#true} [185] P1ENTRY-->L732: Formula: (and (= 1 v_~x~0_8) (= |v_P1Thread1of1ForFork1_#in~arg.offset_4| v_P1Thread1of1ForFork1_~arg.offset_4) (= v_P1Thread1of1ForFork1_~arg.base_4 |v_P1Thread1of1ForFork1_#in~arg.base_4|)) InVars {P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_4, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_4, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|, ~x~0=v_~x~0_8} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_~arg.base, ~x~0] {4927#true} is VALID [2020-07-28 21:29:40,908 INFO L280 TraceCheckUtils]: 8: Hoare triple {4927#true} [154] L732-->L735: Formula: (= v_~y~0_2 1) InVars {} OutVars{~y~0=v_~y~0_2} AuxVars[] AssignedVars[~y~0] {4929#(= 1 ~y~0)} is VALID [2020-07-28 21:29:40,909 INFO L280 TraceCheckUtils]: 9: Hoare triple {4929#(= 1 ~y~0)} [175] P2ENTRY-->L747: 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_~__unbuffered_p2_EAX~0_6 v_~y~0_10)) 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_6, 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] {4929#(= 1 ~y~0)} is VALID [2020-07-28 21:29:40,910 INFO L280 TraceCheckUtils]: 10: Hoare triple {4929#(= 1 ~y~0)} [160] L747-->L750: Formula: (= v_~__unbuffered_p2_EBX~0_1 v_~y~0_4) InVars {~y~0=v_~y~0_4} OutVars{~y~0=v_~y~0_4, ~__unbuffered_p2_EBX~0=v_~__unbuffered_p2_EBX~0_1} AuxVars[] AssignedVars[~__unbuffered_p2_EBX~0] {4929#(= 1 ~y~0)} is VALID [2020-07-28 21:29:40,914 INFO L280 TraceCheckUtils]: 11: Hoare triple {4929#(= 1 ~y~0)} [221] L3-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 1 v_~__unbuffered_p2_EAX~0_30) (= v_~__unbuffered_p2_EBX~0_35 1) (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_19) (= v_ULTIMATE.start___VERIFIER_assert_~expression_19 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_13|) (= 0 v_~__unbuffered_p0_EAX~0_34) (= 0 v_~main$tmp_guard1~0_30) (= 2 v_~y~0_46) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_25))) InVars {~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_34, ~__unbuffered_p2_EBX~0=v_~__unbuffered_p2_EBX~0_35, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_25, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_30, ~y~0=v_~y~0_46} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_34, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_19, ~__unbuffered_p2_EBX~0=v_~__unbuffered_p2_EBX~0_35, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_25, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_30, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_30, ~y~0=v_~y~0_46, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_13|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {4928#false} is VALID [2020-07-28 21:29:40,915 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 21:29:40,915 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460341212] [2020-07-28 21:29:40,915 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:29:40,915 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 21:29:40,916 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376264201] [2020-07-28 21:29:40,916 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-07-28 21:29:40,916 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:29:40,920 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 21:29:40,934 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 21:29:40,934 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 21:29:40,934 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:29:40,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 21:29:40,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 21:29:40,935 INFO L87 Difference]: Start difference. First operand 154 states and 376 transitions. Second operand 3 states. [2020-07-28 21:29:40,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:29:40,990 INFO L93 Difference]: Finished difference Result 174 states and 416 transitions. [2020-07-28 21:29:40,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 21:29:40,990 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-07-28 21:29:40,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:29:40,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 21:29:40,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 27 transitions. [2020-07-28 21:29:40,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 21:29:40,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 27 transitions. [2020-07-28 21:29:40,991 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 27 transitions. [2020-07-28 21:29:41,036 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:29:41,038 INFO L225 Difference]: With dead ends: 174 [2020-07-28 21:29:41,038 INFO L226 Difference]: Without dead ends: 72 [2020-07-28 21:29:41,038 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 21:29:41,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-07-28 21:29:41,040 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,041 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,041 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,041 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,041 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,041 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,042 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,042 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,042 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,042 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,042 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,043 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,043 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,043 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,043 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,043 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,044 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,044 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,044 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,044 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,044 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,044 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,045 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,045 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,045 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,045 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,045 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,046 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,046 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,046 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,046 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,046 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,047 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,047 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,047 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,047 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,047 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,048 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,048 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,048 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,048 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,048 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,048 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,049 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,049 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,049 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,049 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,049 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,050 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,050 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,050 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,050 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,050 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,051 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,051 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,051 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,051 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,051 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,052 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,052 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,052 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,052 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,052 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,053 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,053 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,053 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,053 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,053 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,053 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,054 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,054 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,054 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2020-07-28 21:29:41,055 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:29:41,055 INFO L82 GeneralOperation]: Start isEquivalent. First operand 72 states. Second operand 72 states. [2020-07-28 21:29:41,055 INFO L74 IsIncluded]: Start isIncluded. First operand 72 states. Second operand 72 states. [2020-07-28 21:29:41,055 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 72 states. [2020-07-28 21:29:41,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:29:41,057 INFO L93 Difference]: Finished difference Result 72 states and 154 transitions. [2020-07-28 21:29:41,057 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 154 transitions. [2020-07-28 21:29:41,057 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:29:41,058 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:29:41,058 INFO L74 IsIncluded]: Start isIncluded. First operand 72 states. Second operand 72 states. [2020-07-28 21:29:41,058 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 72 states. [2020-07-28 21:29:41,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:29:41,060 INFO L93 Difference]: Finished difference Result 72 states and 154 transitions. [2020-07-28 21:29:41,060 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 154 transitions. [2020-07-28 21:29:41,060 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:29:41,061 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:29:41,061 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:29:41,061 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:29:41,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-07-28 21:29:41,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 154 transitions. [2020-07-28 21:29:41,063 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 154 transitions. Word has length 12 [2020-07-28 21:29:41,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:29:41,063 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 154 transitions. [2020-07-28 21:29:41,063 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 21:29:41,063 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 154 transitions. [2020-07-28 21:29:41,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-07-28 21:29:41,064 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:29:41,064 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:29:41,064 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 21:29:41,064 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:29:41,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:29:41,065 INFO L82 PathProgramCache]: Analyzing trace with hash -1770638686, now seen corresponding path program 1 times [2020-07-28 21:29:41,065 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:29:41,065 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827281433] [2020-07-28 21:29:41,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:29:41,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:29:41,172 INFO L280 TraceCheckUtils]: 0: Hoare triple {5394#true} [225] ULTIMATE.startENTRY-->L770: Formula: (let ((.cse0 (store |v_#valid_58| 0 0))) (and (= 0 v_~y~0_57) (= 0 v_~main$tmp_guard0~0_41) (= |v_#valid_56| (store .cse0 |v_ULTIMATE.start_main_~#t1915~0.base_24| 1)) (= (store |v_#length_22| |v_ULTIMATE.start_main_~#t1915~0.base_24| 4) |v_#length_21|) (= (store |v_#memory_int_16| |v_ULTIMATE.start_main_~#t1915~0.base_24| (store (select |v_#memory_int_16| |v_ULTIMATE.start_main_~#t1915~0.base_24|) |v_ULTIMATE.start_main_~#t1915~0.offset_17| 0)) |v_#memory_int_15|) (= 0 v_~main$tmp_guard1~0_41) (< |v_#StackHeapBarrier_16| |v_ULTIMATE.start_main_~#t1915~0.base_24|) (= 0 v_~__unbuffered_p0_EAX~0_46) (< 0 |v_#StackHeapBarrier_16|) (= 0 |v_#NULL.offset_4|) (= 0 v_~__unbuffered_p2_EAX~0_41) (= v_~__unbuffered_p2_EBX~0_49 0) (= 0 v_~x~0_23) (= v_~__unbuffered_cnt~0_188 0) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1915~0.base_24|)) (= 0 |v_ULTIMATE.start_main_~#t1915~0.offset_17|) (= 0 |v_#NULL.base_4|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_16|, #valid=|v_#valid_58|, #memory_int=|v_#memory_int_16|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_~#t1916~0.offset=|v_ULTIMATE.start_main_~#t1916~0.offset_18|, ~__unbuffered_p2_EBX~0=v_~__unbuffered_p2_EBX~0_49, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_20|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_8|, #NULL.offset=|v_#NULL.offset_4|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_41, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_41, ULTIMATE.start_main_~#t1916~0.base=|v_ULTIMATE.start_main_~#t1916~0.base_25|, #NULL.base=|v_#NULL.base_4|, #StackHeapBarrier=|v_#StackHeapBarrier_16|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_46, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_15|, #valid=|v_#valid_56|, ULTIMATE.start_main_~#t1917~0.base=|v_ULTIMATE.start_main_~#t1917~0.base_25|, #memory_int=|v_#memory_int_15|, ULTIMATE.start_main_~#t1915~0.base=|v_ULTIMATE.start_main_~#t1915~0.base_24|, #length=|v_#length_21|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_41, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_188, ~y~0=v_~y~0_57, ~x~0=v_~x~0_23, ULTIMATE.start_main_~#t1917~0.offset=|v_ULTIMATE.start_main_~#t1917~0.offset_18|, ULTIMATE.start_main_~#t1915~0.offset=|v_ULTIMATE.start_main_~#t1915~0.offset_17|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1916~0.offset, ~__unbuffered_p2_EBX~0, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, ULTIMATE.start_main_~#t1916~0.base, #NULL.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_#res, #valid, ULTIMATE.start_main_~#t1917~0.base, #memory_int, ULTIMATE.start_main_~#t1915~0.base, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~y~0, ~x~0, ULTIMATE.start_main_~#t1917~0.offset, ULTIMATE.start_main_~#t1915~0.offset] {5396#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:29:41,173 INFO L280 TraceCheckUtils]: 1: Hoare triple {5396#(= 0 ~__unbuffered_cnt~0)} [165] L770-->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] {5396#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:29:41,174 INFO L280 TraceCheckUtils]: 2: Hoare triple {5396#(= 0 ~__unbuffered_cnt~0)} [206] L770-1-->L772: Formula: (and (= 0 |v_ULTIMATE.start_main_~#t1916~0.offset_10|) (= |v_#valid_34| (store |v_#valid_35| |v_ULTIMATE.start_main_~#t1916~0.base_12| 1)) (not (= 0 |v_ULTIMATE.start_main_~#t1916~0.base_12|)) (= |v_#memory_int_7| (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t1916~0.base_12| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t1916~0.base_12|) |v_ULTIMATE.start_main_~#t1916~0.offset_10| 1))) (= 0 (select |v_#valid_35| |v_ULTIMATE.start_main_~#t1916~0.base_12|)) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t1916~0.base_12|) (= (store |v_#length_14| |v_ULTIMATE.start_main_~#t1916~0.base_12| 4) |v_#length_13|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_35|, #memory_int=|v_#memory_int_8|, #length=|v_#length_14|} OutVars{ULTIMATE.start_main_~#t1916~0.offset=|v_ULTIMATE.start_main_~#t1916~0.offset_10|, #StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_7|, #length=|v_#length_13|, ULTIMATE.start_main_~#t1916~0.base=|v_ULTIMATE.start_main_~#t1916~0.base_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1916~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length, ULTIMATE.start_main_~#t1916~0.base] {5396#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:29:41,175 INFO L280 TraceCheckUtils]: 3: Hoare triple {5396#(= 0 ~__unbuffered_cnt~0)} [167] L772-->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] {5396#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:29:41,175 INFO L280 TraceCheckUtils]: 4: Hoare triple {5396#(= 0 ~__unbuffered_cnt~0)} [208] L772-1-->L774: Formula: (and (= (store |v_#valid_37| |v_ULTIMATE.start_main_~#t1917~0.base_12| 1) |v_#valid_36|) (= |v_#memory_int_9| (store |v_#memory_int_10| |v_ULTIMATE.start_main_~#t1917~0.base_12| (store (select |v_#memory_int_10| |v_ULTIMATE.start_main_~#t1917~0.base_12|) |v_ULTIMATE.start_main_~#t1917~0.offset_10| 2))) (not (= 0 |v_ULTIMATE.start_main_~#t1917~0.base_12|)) (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t1917~0.base_12| 4) |v_#length_15|) (= 0 (select |v_#valid_37| |v_ULTIMATE.start_main_~#t1917~0.base_12|)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t1917~0.base_12|) (= 0 |v_ULTIMATE.start_main_~#t1917~0.offset_10|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_10|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t1917~0.base=|v_ULTIMATE.start_main_~#t1917~0.base_12|, #valid=|v_#valid_36|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_9|, #length=|v_#length_15|, ULTIMATE.start_main_~#t1917~0.offset=|v_ULTIMATE.start_main_~#t1917~0.offset_10|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1917~0.base, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t1917~0.offset] {5396#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:29:41,176 INFO L280 TraceCheckUtils]: 5: Hoare triple {5396#(= 0 ~__unbuffered_cnt~0)} [169] L774-->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] {5396#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:29:41,177 INFO L280 TraceCheckUtils]: 6: Hoare triple {5396#(= 0 ~__unbuffered_cnt~0)} [216] L774-1-->L3: Formula: (and (= (mod v_~main$tmp_guard0~0_31 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_20|) (let ((.cse0 (= v_~__unbuffered_cnt~0_134 3))) (or (and (not .cse0) (= 0 v_~main$tmp_guard0~0_31)) (and .cse0 (= 1 v_~main$tmp_guard0~0_31)))) (= v_ULTIMATE.start_assume_abort_if_not_~cond_16 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_20|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_134} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_20|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_16, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_11|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_134, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_31} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {5397#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} is VALID [2020-07-28 21:29:41,178 INFO L280 TraceCheckUtils]: 7: Hoare triple {5397#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} [185] P1ENTRY-->L732: Formula: (and (= 1 v_~x~0_8) (= |v_P1Thread1of1ForFork1_#in~arg.offset_4| v_P1Thread1of1ForFork1_~arg.offset_4) (= v_P1Thread1of1ForFork1_~arg.base_4 |v_P1Thread1of1ForFork1_#in~arg.base_4|)) InVars {P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_4, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_4, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|, ~x~0=v_~x~0_8} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_~arg.base, ~x~0] {5397#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} is VALID [2020-07-28 21:29:41,179 INFO L280 TraceCheckUtils]: 8: Hoare triple {5397#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} [154] L732-->L735: Formula: (= v_~y~0_2 1) InVars {} OutVars{~y~0=v_~y~0_2} AuxVars[] AssignedVars[~y~0] {5397#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} is VALID [2020-07-28 21:29:41,179 INFO L280 TraceCheckUtils]: 9: Hoare triple {5397#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} [175] P2ENTRY-->L747: 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_~__unbuffered_p2_EAX~0_6 v_~y~0_10)) 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_6, 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] {5397#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} is VALID [2020-07-28 21:29:41,180 INFO L280 TraceCheckUtils]: 10: Hoare triple {5397#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} [160] L747-->L750: Formula: (= v_~__unbuffered_p2_EBX~0_1 v_~y~0_4) InVars {~y~0=v_~y~0_4} OutVars{~y~0=v_~y~0_4, ~__unbuffered_p2_EBX~0=v_~__unbuffered_p2_EBX~0_1} AuxVars[] AssignedVars[~__unbuffered_p2_EBX~0] {5397#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} is VALID [2020-07-28 21:29:41,181 INFO L280 TraceCheckUtils]: 11: Hoare triple {5397#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} [174] P0ENTRY-->L715: Formula: (and (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= v_P0Thread1of1ForFork0_~arg.base_4 |v_P0Thread1of1ForFork0_#in~arg.base_4|) (= 2 v_~y~0_9)) 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|, ~y~0=v_~y~0_9, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_4, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_4} AuxVars[] AssignedVars[~y~0, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {5397#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} is VALID [2020-07-28 21:29:41,182 INFO L280 TraceCheckUtils]: 12: Hoare triple {5397#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} [221] L3-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 1 v_~__unbuffered_p2_EAX~0_30) (= v_~__unbuffered_p2_EBX~0_35 1) (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_19) (= v_ULTIMATE.start___VERIFIER_assert_~expression_19 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_13|) (= 0 v_~__unbuffered_p0_EAX~0_34) (= 0 v_~main$tmp_guard1~0_30) (= 2 v_~y~0_46) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_25))) InVars {~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_34, ~__unbuffered_p2_EBX~0=v_~__unbuffered_p2_EBX~0_35, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_25, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_30, ~y~0=v_~y~0_46} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_34, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_19, ~__unbuffered_p2_EBX~0=v_~__unbuffered_p2_EBX~0_35, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_25, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_30, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_30, ~y~0=v_~y~0_46, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_13|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {5395#false} is VALID [2020-07-28 21:29:41,182 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 21:29:41,183 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827281433] [2020-07-28 21:29:41,183 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:29:41,183 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 21:29:41,183 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841361078] [2020-07-28 21:29:41,184 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-07-28 21:29:41,184 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:29:41,184 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 21:29:41,199 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 13 edges. 13 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:29:41,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 21:29:41,200 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:29:41,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 21:29:41,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 21:29:41,200 INFO L87 Difference]: Start difference. First operand 72 states and 154 transitions. Second operand 4 states. [2020-07-28 21:29:41,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:29:41,290 INFO L93 Difference]: Finished difference Result 85 states and 167 transitions. [2020-07-28 21:29:41,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 21:29:41,291 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-07-28 21:29:41,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:29:41,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:29:41,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 45 transitions. [2020-07-28 21:29:41,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:29:41,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 45 transitions. [2020-07-28 21:29:41,293 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 45 transitions. [2020-07-28 21:29:41,345 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 45 edges. 45 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:29:41,346 INFO L225 Difference]: With dead ends: 85 [2020-07-28 21:29:41,346 INFO L226 Difference]: Without dead ends: 61 [2020-07-28 21:29:41,346 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 21:29:41,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2020-07-28 21:29:41,348 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,349 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,349 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,349 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,349 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,349 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,350 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,350 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,350 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,350 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,351 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,351 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,351 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,352 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,352 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,352 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,352 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,353 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,353 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,353 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,353 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,354 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,354 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,354 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,354 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,355 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,355 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,355 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,356 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,356 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,356 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,356 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,357 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,357 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,357 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,357 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,358 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,358 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,358 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,359 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,359 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,359 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,359 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,360 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,360 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,360 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,361 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,361 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,361 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,361 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,362 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,362 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,362 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,362 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,363 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,363 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,363 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,364 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,364 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,364 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,364 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2020-07-28 21:29:41,365 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:29:41,365 INFO L82 GeneralOperation]: Start isEquivalent. First operand 61 states. Second operand 61 states. [2020-07-28 21:29:41,365 INFO L74 IsIncluded]: Start isIncluded. First operand 61 states. Second operand 61 states. [2020-07-28 21:29:41,366 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 61 states. [2020-07-28 21:29:41,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:29:41,367 INFO L93 Difference]: Finished difference Result 61 states and 118 transitions. [2020-07-28 21:29:41,368 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 118 transitions. [2020-07-28 21:29:41,368 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:29:41,368 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:29:41,368 INFO L74 IsIncluded]: Start isIncluded. First operand 61 states. Second operand 61 states. [2020-07-28 21:29:41,369 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 61 states. [2020-07-28 21:29:41,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:29:41,370 INFO L93 Difference]: Finished difference Result 61 states and 118 transitions. [2020-07-28 21:29:41,371 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 118 transitions. [2020-07-28 21:29:41,371 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:29:41,371 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:29:41,371 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:29:41,371 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:29:41,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2020-07-28 21:29:41,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 118 transitions. [2020-07-28 21:29:41,373 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 118 transitions. Word has length 13 [2020-07-28 21:29:41,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:29:41,374 INFO L479 AbstractCegarLoop]: Abstraction has 61 states and 118 transitions. [2020-07-28 21:29:41,374 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 21:29:41,374 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 118 transitions. [2020-07-28 21:29:41,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-07-28 21:29:41,375 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:29:41,375 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:29:41,375 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 21:29:41,375 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:29:41,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:29:41,376 INFO L82 PathProgramCache]: Analyzing trace with hash -1873051802, now seen corresponding path program 1 times [2020-07-28 21:29:41,376 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:29:41,376 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892339178] [2020-07-28 21:29:41,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:29:41,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:29:41,447 INFO L280 TraceCheckUtils]: 0: Hoare triple {5731#true} [225] ULTIMATE.startENTRY-->L770: Formula: (let ((.cse0 (store |v_#valid_58| 0 0))) (and (= 0 v_~y~0_57) (= 0 v_~main$tmp_guard0~0_41) (= |v_#valid_56| (store .cse0 |v_ULTIMATE.start_main_~#t1915~0.base_24| 1)) (= (store |v_#length_22| |v_ULTIMATE.start_main_~#t1915~0.base_24| 4) |v_#length_21|) (= (store |v_#memory_int_16| |v_ULTIMATE.start_main_~#t1915~0.base_24| (store (select |v_#memory_int_16| |v_ULTIMATE.start_main_~#t1915~0.base_24|) |v_ULTIMATE.start_main_~#t1915~0.offset_17| 0)) |v_#memory_int_15|) (= 0 v_~main$tmp_guard1~0_41) (< |v_#StackHeapBarrier_16| |v_ULTIMATE.start_main_~#t1915~0.base_24|) (= 0 v_~__unbuffered_p0_EAX~0_46) (< 0 |v_#StackHeapBarrier_16|) (= 0 |v_#NULL.offset_4|) (= 0 v_~__unbuffered_p2_EAX~0_41) (= v_~__unbuffered_p2_EBX~0_49 0) (= 0 v_~x~0_23) (= v_~__unbuffered_cnt~0_188 0) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1915~0.base_24|)) (= 0 |v_ULTIMATE.start_main_~#t1915~0.offset_17|) (= 0 |v_#NULL.base_4|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_16|, #valid=|v_#valid_58|, #memory_int=|v_#memory_int_16|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_~#t1916~0.offset=|v_ULTIMATE.start_main_~#t1916~0.offset_18|, ~__unbuffered_p2_EBX~0=v_~__unbuffered_p2_EBX~0_49, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_20|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_8|, #NULL.offset=|v_#NULL.offset_4|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_41, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_41, ULTIMATE.start_main_~#t1916~0.base=|v_ULTIMATE.start_main_~#t1916~0.base_25|, #NULL.base=|v_#NULL.base_4|, #StackHeapBarrier=|v_#StackHeapBarrier_16|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_46, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_15|, #valid=|v_#valid_56|, ULTIMATE.start_main_~#t1917~0.base=|v_ULTIMATE.start_main_~#t1917~0.base_25|, #memory_int=|v_#memory_int_15|, ULTIMATE.start_main_~#t1915~0.base=|v_ULTIMATE.start_main_~#t1915~0.base_24|, #length=|v_#length_21|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_41, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_188, ~y~0=v_~y~0_57, ~x~0=v_~x~0_23, ULTIMATE.start_main_~#t1917~0.offset=|v_ULTIMATE.start_main_~#t1917~0.offset_18|, ULTIMATE.start_main_~#t1915~0.offset=|v_ULTIMATE.start_main_~#t1915~0.offset_17|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1916~0.offset, ~__unbuffered_p2_EBX~0, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, ULTIMATE.start_main_~#t1916~0.base, #NULL.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_#res, #valid, ULTIMATE.start_main_~#t1917~0.base, #memory_int, ULTIMATE.start_main_~#t1915~0.base, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~y~0, ~x~0, ULTIMATE.start_main_~#t1917~0.offset, ULTIMATE.start_main_~#t1915~0.offset] {5733#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:29:41,448 INFO L280 TraceCheckUtils]: 1: Hoare triple {5733#(= 0 ~__unbuffered_cnt~0)} [165] L770-->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] {5733#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:29:41,449 INFO L280 TraceCheckUtils]: 2: Hoare triple {5733#(= 0 ~__unbuffered_cnt~0)} [206] L770-1-->L772: Formula: (and (= 0 |v_ULTIMATE.start_main_~#t1916~0.offset_10|) (= |v_#valid_34| (store |v_#valid_35| |v_ULTIMATE.start_main_~#t1916~0.base_12| 1)) (not (= 0 |v_ULTIMATE.start_main_~#t1916~0.base_12|)) (= |v_#memory_int_7| (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t1916~0.base_12| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t1916~0.base_12|) |v_ULTIMATE.start_main_~#t1916~0.offset_10| 1))) (= 0 (select |v_#valid_35| |v_ULTIMATE.start_main_~#t1916~0.base_12|)) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t1916~0.base_12|) (= (store |v_#length_14| |v_ULTIMATE.start_main_~#t1916~0.base_12| 4) |v_#length_13|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_35|, #memory_int=|v_#memory_int_8|, #length=|v_#length_14|} OutVars{ULTIMATE.start_main_~#t1916~0.offset=|v_ULTIMATE.start_main_~#t1916~0.offset_10|, #StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_7|, #length=|v_#length_13|, ULTIMATE.start_main_~#t1916~0.base=|v_ULTIMATE.start_main_~#t1916~0.base_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1916~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length, ULTIMATE.start_main_~#t1916~0.base] {5733#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:29:41,449 INFO L280 TraceCheckUtils]: 3: Hoare triple {5733#(= 0 ~__unbuffered_cnt~0)} [167] L772-->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] {5733#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:29:41,450 INFO L280 TraceCheckUtils]: 4: Hoare triple {5733#(= 0 ~__unbuffered_cnt~0)} [208] L772-1-->L774: Formula: (and (= (store |v_#valid_37| |v_ULTIMATE.start_main_~#t1917~0.base_12| 1) |v_#valid_36|) (= |v_#memory_int_9| (store |v_#memory_int_10| |v_ULTIMATE.start_main_~#t1917~0.base_12| (store (select |v_#memory_int_10| |v_ULTIMATE.start_main_~#t1917~0.base_12|) |v_ULTIMATE.start_main_~#t1917~0.offset_10| 2))) (not (= 0 |v_ULTIMATE.start_main_~#t1917~0.base_12|)) (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t1917~0.base_12| 4) |v_#length_15|) (= 0 (select |v_#valid_37| |v_ULTIMATE.start_main_~#t1917~0.base_12|)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t1917~0.base_12|) (= 0 |v_ULTIMATE.start_main_~#t1917~0.offset_10|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_10|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t1917~0.base=|v_ULTIMATE.start_main_~#t1917~0.base_12|, #valid=|v_#valid_36|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_9|, #length=|v_#length_15|, ULTIMATE.start_main_~#t1917~0.offset=|v_ULTIMATE.start_main_~#t1917~0.offset_10|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1917~0.base, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t1917~0.offset] {5733#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:29:41,451 INFO L280 TraceCheckUtils]: 5: Hoare triple {5733#(= 0 ~__unbuffered_cnt~0)} [169] L774-->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] {5733#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:29:41,452 INFO L280 TraceCheckUtils]: 6: Hoare triple {5733#(= 0 ~__unbuffered_cnt~0)} [185] P1ENTRY-->L732: Formula: (and (= 1 v_~x~0_8) (= |v_P1Thread1of1ForFork1_#in~arg.offset_4| v_P1Thread1of1ForFork1_~arg.offset_4) (= v_P1Thread1of1ForFork1_~arg.base_4 |v_P1Thread1of1ForFork1_#in~arg.base_4|)) InVars {P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_4, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_4, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|, ~x~0=v_~x~0_8} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_~arg.base, ~x~0] {5733#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:29:41,452 INFO L280 TraceCheckUtils]: 7: Hoare triple {5733#(= 0 ~__unbuffered_cnt~0)} [154] L732-->L735: Formula: (= v_~y~0_2 1) InVars {} OutVars{~y~0=v_~y~0_2} AuxVars[] AssignedVars[~y~0] {5733#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:29:41,453 INFO L280 TraceCheckUtils]: 8: Hoare triple {5733#(= 0 ~__unbuffered_cnt~0)} [202] L735-->P1EXIT: Formula: (and (= (+ v_~__unbuffered_cnt~0_77 1) v_~__unbuffered_cnt~0_76) (= 0 |v_P1Thread1of1ForFork1_#res.base_5|) (= 0 |v_P1Thread1of1ForFork1_#res.offset_5|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_77} OutVars{P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_76, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_5|} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#res.offset, ~__unbuffered_cnt~0, P1Thread1of1ForFork1_#res.base] {5734#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:29:41,455 INFO L280 TraceCheckUtils]: 9: Hoare triple {5734#(<= ~__unbuffered_cnt~0 1)} [216] L774-1-->L3: Formula: (and (= (mod v_~main$tmp_guard0~0_31 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_20|) (let ((.cse0 (= v_~__unbuffered_cnt~0_134 3))) (or (and (not .cse0) (= 0 v_~main$tmp_guard0~0_31)) (and .cse0 (= 1 v_~main$tmp_guard0~0_31)))) (= v_ULTIMATE.start_assume_abort_if_not_~cond_16 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_20|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_134} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_20|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_16, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_11|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_134, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_31} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {5735#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} is VALID [2020-07-28 21:29:41,456 INFO L280 TraceCheckUtils]: 10: Hoare triple {5735#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} [175] P2ENTRY-->L747: 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_~__unbuffered_p2_EAX~0_6 v_~y~0_10)) 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_6, 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] {5735#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} is VALID [2020-07-28 21:29:41,457 INFO L280 TraceCheckUtils]: 11: Hoare triple {5735#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} [160] L747-->L750: Formula: (= v_~__unbuffered_p2_EBX~0_1 v_~y~0_4) InVars {~y~0=v_~y~0_4} OutVars{~y~0=v_~y~0_4, ~__unbuffered_p2_EBX~0=v_~__unbuffered_p2_EBX~0_1} AuxVars[] AssignedVars[~__unbuffered_p2_EBX~0] {5735#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} is VALID [2020-07-28 21:29:41,458 INFO L280 TraceCheckUtils]: 12: Hoare triple {5735#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} [174] P0ENTRY-->L715: Formula: (and (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= v_P0Thread1of1ForFork0_~arg.base_4 |v_P0Thread1of1ForFork0_#in~arg.base_4|) (= 2 v_~y~0_9)) 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|, ~y~0=v_~y~0_9, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_4, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_4} AuxVars[] AssignedVars[~y~0, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {5735#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} is VALID [2020-07-28 21:29:41,462 INFO L280 TraceCheckUtils]: 13: Hoare triple {5735#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} [221] L3-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 1 v_~__unbuffered_p2_EAX~0_30) (= v_~__unbuffered_p2_EBX~0_35 1) (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_19) (= v_ULTIMATE.start___VERIFIER_assert_~expression_19 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_13|) (= 0 v_~__unbuffered_p0_EAX~0_34) (= 0 v_~main$tmp_guard1~0_30) (= 2 v_~y~0_46) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_25))) InVars {~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_34, ~__unbuffered_p2_EBX~0=v_~__unbuffered_p2_EBX~0_35, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_25, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_30, ~y~0=v_~y~0_46} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_34, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_19, ~__unbuffered_p2_EBX~0=v_~__unbuffered_p2_EBX~0_35, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_25, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_30, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_30, ~y~0=v_~y~0_46, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_13|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {5732#false} is VALID [2020-07-28 21:29:41,463 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 21:29:41,463 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892339178] [2020-07-28 21:29:41,463 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:29:41,464 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 21:29:41,464 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766816158] [2020-07-28 21:29:41,464 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-07-28 21:29:41,466 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:29:41,466 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 21:29:41,485 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 21:29:41,485 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 21:29:41,486 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:29:41,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 21:29:41,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-28 21:29:41,487 INFO L87 Difference]: Start difference. First operand 61 states and 118 transitions. Second operand 5 states. [2020-07-28 21:29:41,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:29:41,605 INFO L93 Difference]: Finished difference Result 62 states and 108 transitions. [2020-07-28 21:29:41,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 21:29:41,606 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-07-28 21:29:41,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:29:41,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:29:41,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 46 transitions. [2020-07-28 21:29:41,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:29:41,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 46 transitions. [2020-07-28 21:29:41,607 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 46 transitions. [2020-07-28 21:29:41,658 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 46 edges. 46 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:29:41,659 INFO L225 Difference]: With dead ends: 62 [2020-07-28 21:29:41,659 INFO L226 Difference]: Without dead ends: 47 [2020-07-28 21:29:41,659 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-28 21:29:41,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-07-28 21:29:41,661 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,661 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,661 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,661 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,662 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,662 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,662 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,662 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,662 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,662 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,663 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,663 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,663 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,664 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,664 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,664 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,664 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,665 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,665 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,665 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,665 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,666 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,666 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,666 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,666 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,667 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,667 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,667 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,667 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,668 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,668 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,668 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,668 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,669 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,669 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,669 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,669 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,670 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,670 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,670 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,670 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,671 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,671 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,671 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,671 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,672 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,672 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-07-28 21:29:41,672 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:29:41,673 INFO L82 GeneralOperation]: Start isEquivalent. First operand 47 states. Second operand 47 states. [2020-07-28 21:29:41,673 INFO L74 IsIncluded]: Start isIncluded. First operand 47 states. Second operand 47 states. [2020-07-28 21:29:41,673 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 47 states. [2020-07-28 21:29:41,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:29:41,675 INFO L93 Difference]: Finished difference Result 47 states and 78 transitions. [2020-07-28 21:29:41,675 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 78 transitions. [2020-07-28 21:29:41,675 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:29:41,675 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:29:41,676 INFO L74 IsIncluded]: Start isIncluded. First operand 47 states. Second operand 47 states. [2020-07-28 21:29:41,676 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 47 states. [2020-07-28 21:29:41,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:29:41,677 INFO L93 Difference]: Finished difference Result 47 states and 78 transitions. [2020-07-28 21:29:41,677 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 78 transitions. [2020-07-28 21:29:41,678 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:29:41,678 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:29:41,678 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:29:41,678 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:29:41,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-07-28 21:29:41,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 78 transitions. [2020-07-28 21:29:41,680 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 78 transitions. Word has length 14 [2020-07-28 21:29:41,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:29:41,680 INFO L479 AbstractCegarLoop]: Abstraction has 47 states and 78 transitions. [2020-07-28 21:29:41,680 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 21:29:41,681 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 78 transitions. [2020-07-28 21:29:41,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-07-28 21:29:41,681 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:29:41,681 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:29:41,682 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-28 21:29:41,682 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:29:41,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:29:41,682 INFO L82 PathProgramCache]: Analyzing trace with hash 877737129, now seen corresponding path program 1 times [2020-07-28 21:29:41,683 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:29:41,683 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143637973] [2020-07-28 21:29:41,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:29:41,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:29:41,746 INFO L280 TraceCheckUtils]: 0: Hoare triple {5990#true} [225] ULTIMATE.startENTRY-->L770: Formula: (let ((.cse0 (store |v_#valid_58| 0 0))) (and (= 0 v_~y~0_57) (= 0 v_~main$tmp_guard0~0_41) (= |v_#valid_56| (store .cse0 |v_ULTIMATE.start_main_~#t1915~0.base_24| 1)) (= (store |v_#length_22| |v_ULTIMATE.start_main_~#t1915~0.base_24| 4) |v_#length_21|) (= (store |v_#memory_int_16| |v_ULTIMATE.start_main_~#t1915~0.base_24| (store (select |v_#memory_int_16| |v_ULTIMATE.start_main_~#t1915~0.base_24|) |v_ULTIMATE.start_main_~#t1915~0.offset_17| 0)) |v_#memory_int_15|) (= 0 v_~main$tmp_guard1~0_41) (< |v_#StackHeapBarrier_16| |v_ULTIMATE.start_main_~#t1915~0.base_24|) (= 0 v_~__unbuffered_p0_EAX~0_46) (< 0 |v_#StackHeapBarrier_16|) (= 0 |v_#NULL.offset_4|) (= 0 v_~__unbuffered_p2_EAX~0_41) (= v_~__unbuffered_p2_EBX~0_49 0) (= 0 v_~x~0_23) (= v_~__unbuffered_cnt~0_188 0) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1915~0.base_24|)) (= 0 |v_ULTIMATE.start_main_~#t1915~0.offset_17|) (= 0 |v_#NULL.base_4|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_16|, #valid=|v_#valid_58|, #memory_int=|v_#memory_int_16|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_~#t1916~0.offset=|v_ULTIMATE.start_main_~#t1916~0.offset_18|, ~__unbuffered_p2_EBX~0=v_~__unbuffered_p2_EBX~0_49, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_20|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_8|, #NULL.offset=|v_#NULL.offset_4|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_41, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_41, ULTIMATE.start_main_~#t1916~0.base=|v_ULTIMATE.start_main_~#t1916~0.base_25|, #NULL.base=|v_#NULL.base_4|, #StackHeapBarrier=|v_#StackHeapBarrier_16|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_46, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_15|, #valid=|v_#valid_56|, ULTIMATE.start_main_~#t1917~0.base=|v_ULTIMATE.start_main_~#t1917~0.base_25|, #memory_int=|v_#memory_int_15|, ULTIMATE.start_main_~#t1915~0.base=|v_ULTIMATE.start_main_~#t1915~0.base_24|, #length=|v_#length_21|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_41, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_188, ~y~0=v_~y~0_57, ~x~0=v_~x~0_23, ULTIMATE.start_main_~#t1917~0.offset=|v_ULTIMATE.start_main_~#t1917~0.offset_18|, ULTIMATE.start_main_~#t1915~0.offset=|v_ULTIMATE.start_main_~#t1915~0.offset_17|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1916~0.offset, ~__unbuffered_p2_EBX~0, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, ULTIMATE.start_main_~#t1916~0.base, #NULL.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_#res, #valid, ULTIMATE.start_main_~#t1917~0.base, #memory_int, ULTIMATE.start_main_~#t1915~0.base, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~y~0, ~x~0, ULTIMATE.start_main_~#t1917~0.offset, ULTIMATE.start_main_~#t1915~0.offset] {5992#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:29:41,747 INFO L280 TraceCheckUtils]: 1: Hoare triple {5992#(= 0 ~__unbuffered_cnt~0)} [165] L770-->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] {5992#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:29:41,748 INFO L280 TraceCheckUtils]: 2: Hoare triple {5992#(= 0 ~__unbuffered_cnt~0)} [206] L770-1-->L772: Formula: (and (= 0 |v_ULTIMATE.start_main_~#t1916~0.offset_10|) (= |v_#valid_34| (store |v_#valid_35| |v_ULTIMATE.start_main_~#t1916~0.base_12| 1)) (not (= 0 |v_ULTIMATE.start_main_~#t1916~0.base_12|)) (= |v_#memory_int_7| (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t1916~0.base_12| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t1916~0.base_12|) |v_ULTIMATE.start_main_~#t1916~0.offset_10| 1))) (= 0 (select |v_#valid_35| |v_ULTIMATE.start_main_~#t1916~0.base_12|)) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t1916~0.base_12|) (= (store |v_#length_14| |v_ULTIMATE.start_main_~#t1916~0.base_12| 4) |v_#length_13|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_35|, #memory_int=|v_#memory_int_8|, #length=|v_#length_14|} OutVars{ULTIMATE.start_main_~#t1916~0.offset=|v_ULTIMATE.start_main_~#t1916~0.offset_10|, #StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_7|, #length=|v_#length_13|, ULTIMATE.start_main_~#t1916~0.base=|v_ULTIMATE.start_main_~#t1916~0.base_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1916~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length, ULTIMATE.start_main_~#t1916~0.base] {5992#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:29:41,749 INFO L280 TraceCheckUtils]: 3: Hoare triple {5992#(= 0 ~__unbuffered_cnt~0)} [167] L772-->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] {5992#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:29:41,749 INFO L280 TraceCheckUtils]: 4: Hoare triple {5992#(= 0 ~__unbuffered_cnt~0)} [208] L772-1-->L774: Formula: (and (= (store |v_#valid_37| |v_ULTIMATE.start_main_~#t1917~0.base_12| 1) |v_#valid_36|) (= |v_#memory_int_9| (store |v_#memory_int_10| |v_ULTIMATE.start_main_~#t1917~0.base_12| (store (select |v_#memory_int_10| |v_ULTIMATE.start_main_~#t1917~0.base_12|) |v_ULTIMATE.start_main_~#t1917~0.offset_10| 2))) (not (= 0 |v_ULTIMATE.start_main_~#t1917~0.base_12|)) (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t1917~0.base_12| 4) |v_#length_15|) (= 0 (select |v_#valid_37| |v_ULTIMATE.start_main_~#t1917~0.base_12|)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t1917~0.base_12|) (= 0 |v_ULTIMATE.start_main_~#t1917~0.offset_10|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_10|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t1917~0.base=|v_ULTIMATE.start_main_~#t1917~0.base_12|, #valid=|v_#valid_36|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_9|, #length=|v_#length_15|, ULTIMATE.start_main_~#t1917~0.offset=|v_ULTIMATE.start_main_~#t1917~0.offset_10|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1917~0.base, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t1917~0.offset] {5992#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:29:41,750 INFO L280 TraceCheckUtils]: 5: Hoare triple {5992#(= 0 ~__unbuffered_cnt~0)} [169] L774-->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] {5992#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:29:41,751 INFO L280 TraceCheckUtils]: 6: Hoare triple {5992#(= 0 ~__unbuffered_cnt~0)} [185] P1ENTRY-->L732: Formula: (and (= 1 v_~x~0_8) (= |v_P1Thread1of1ForFork1_#in~arg.offset_4| v_P1Thread1of1ForFork1_~arg.offset_4) (= v_P1Thread1of1ForFork1_~arg.base_4 |v_P1Thread1of1ForFork1_#in~arg.base_4|)) InVars {P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_4, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_4, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|, ~x~0=v_~x~0_8} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_~arg.base, ~x~0] {5992#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:29:41,752 INFO L280 TraceCheckUtils]: 7: Hoare triple {5992#(= 0 ~__unbuffered_cnt~0)} [154] L732-->L735: Formula: (= v_~y~0_2 1) InVars {} OutVars{~y~0=v_~y~0_2} AuxVars[] AssignedVars[~y~0] {5992#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:29:41,753 INFO L280 TraceCheckUtils]: 8: Hoare triple {5992#(= 0 ~__unbuffered_cnt~0)} [202] L735-->P1EXIT: Formula: (and (= (+ v_~__unbuffered_cnt~0_77 1) v_~__unbuffered_cnt~0_76) (= 0 |v_P1Thread1of1ForFork1_#res.base_5|) (= 0 |v_P1Thread1of1ForFork1_#res.offset_5|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_77} OutVars{P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_76, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_5|} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#res.offset, ~__unbuffered_cnt~0, P1Thread1of1ForFork1_#res.base] {5993#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:29:41,753 INFO L280 TraceCheckUtils]: 9: Hoare triple {5993#(<= ~__unbuffered_cnt~0 1)} [175] P2ENTRY-->L747: 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_~__unbuffered_p2_EAX~0_6 v_~y~0_10)) 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_6, 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] {5993#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:29:41,754 INFO L280 TraceCheckUtils]: 10: Hoare triple {5993#(<= ~__unbuffered_cnt~0 1)} [160] L747-->L750: Formula: (= v_~__unbuffered_p2_EBX~0_1 v_~y~0_4) InVars {~y~0=v_~y~0_4} OutVars{~y~0=v_~y~0_4, ~__unbuffered_p2_EBX~0=v_~__unbuffered_p2_EBX~0_1} AuxVars[] AssignedVars[~__unbuffered_p2_EBX~0] {5993#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:29:41,755 INFO L280 TraceCheckUtils]: 11: Hoare triple {5993#(<= ~__unbuffered_cnt~0 1)} [174] P0ENTRY-->L715: Formula: (and (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= v_P0Thread1of1ForFork0_~arg.base_4 |v_P0Thread1of1ForFork0_#in~arg.base_4|) (= 2 v_~y~0_9)) 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|, ~y~0=v_~y~0_9, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_4, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_4} AuxVars[] AssignedVars[~y~0, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {5993#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:29:41,756 INFO L280 TraceCheckUtils]: 12: Hoare triple {5993#(<= ~__unbuffered_cnt~0 1)} [207] L750-->P2EXIT: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#res.base_17|) (= 0 |v_P2Thread1of1ForFork2_#res.offset_17|) (= v_~__unbuffered_cnt~0_111 (+ v_~__unbuffered_cnt~0_112 1))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_112} OutVars{P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_17|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_111, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_17|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#res.base, ~__unbuffered_cnt~0, P2Thread1of1ForFork2_#res.offset] {5994#(<= ~__unbuffered_cnt~0 2)} is VALID [2020-07-28 21:29:41,757 INFO L280 TraceCheckUtils]: 13: Hoare triple {5994#(<= ~__unbuffered_cnt~0 2)} [216] L774-1-->L3: Formula: (and (= (mod v_~main$tmp_guard0~0_31 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_20|) (let ((.cse0 (= v_~__unbuffered_cnt~0_134 3))) (or (and (not .cse0) (= 0 v_~main$tmp_guard0~0_31)) (and .cse0 (= 1 v_~main$tmp_guard0~0_31)))) (= v_ULTIMATE.start_assume_abort_if_not_~cond_16 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_20|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_134} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_20|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_16, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_11|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_134, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_31} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {5995#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} is VALID [2020-07-28 21:29:41,758 INFO L280 TraceCheckUtils]: 14: Hoare triple {5995#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} [221] L3-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 1 v_~__unbuffered_p2_EAX~0_30) (= v_~__unbuffered_p2_EBX~0_35 1) (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_19) (= v_ULTIMATE.start___VERIFIER_assert_~expression_19 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_13|) (= 0 v_~__unbuffered_p0_EAX~0_34) (= 0 v_~main$tmp_guard1~0_30) (= 2 v_~y~0_46) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_25))) InVars {~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_34, ~__unbuffered_p2_EBX~0=v_~__unbuffered_p2_EBX~0_35, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_25, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_30, ~y~0=v_~y~0_46} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_34, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_19, ~__unbuffered_p2_EBX~0=v_~__unbuffered_p2_EBX~0_35, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_25, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_30, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_30, ~y~0=v_~y~0_46, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_13|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {5991#false} is VALID [2020-07-28 21:29:41,759 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 21:29:41,759 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143637973] [2020-07-28 21:29:41,759 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:29:41,759 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 21:29:41,760 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508448108] [2020-07-28 21:29:41,760 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-07-28 21:29:41,760 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:29:41,761 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 21:29:41,778 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 21:29:41,778 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 21:29:41,779 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:29:41,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 21:29:41,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-28 21:29:41,780 INFO L87 Difference]: Start difference. First operand 47 states and 78 transitions. Second operand 6 states. [2020-07-28 21:29:41,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:29:41,907 INFO L93 Difference]: Finished difference Result 44 states and 70 transitions. [2020-07-28 21:29:41,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-28 21:29:41,907 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-07-28 21:29:41,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:29:41,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 21:29:41,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 39 transitions. [2020-07-28 21:29:41,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 21:29:41,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 39 transitions. [2020-07-28 21:29:41,909 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 39 transitions. [2020-07-28 21:29:41,965 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:29:41,966 INFO L225 Difference]: With dead ends: 44 [2020-07-28 21:29:41,966 INFO L226 Difference]: Without dead ends: 38 [2020-07-28 21:29:41,966 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-28 21:29:41,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-07-28 21:29:41,968 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,968 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,968 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,968 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,968 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,968 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,969 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,969 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,969 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,969 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,969 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,970 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,970 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,970 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,970 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,971 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,971 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,971 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,972 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,972 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,973 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,973 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,973 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,974 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,974 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,974 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,974 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,975 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,975 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,975 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,975 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,975 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,976 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,976 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,976 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,976 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,977 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,977 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:29:41,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2020-07-28 21:29:41,977 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:29:41,978 INFO L82 GeneralOperation]: Start isEquivalent. First operand 38 states. Second operand 38 states. [2020-07-28 21:29:41,978 INFO L74 IsIncluded]: Start isIncluded. First operand 38 states. Second operand 38 states. [2020-07-28 21:29:41,978 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 38 states. [2020-07-28 21:29:41,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:29:41,980 INFO L93 Difference]: Finished difference Result 38 states and 60 transitions. [2020-07-28 21:29:41,980 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2020-07-28 21:29:41,980 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:29:41,980 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:29:41,980 INFO L74 IsIncluded]: Start isIncluded. First operand 38 states. Second operand 38 states. [2020-07-28 21:29:41,981 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 38 states. [2020-07-28 21:29:41,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:29:41,982 INFO L93 Difference]: Finished difference Result 38 states and 60 transitions. [2020-07-28 21:29:41,982 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2020-07-28 21:29:41,982 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:29:41,982 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:29:41,983 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:29:41,983 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:29:41,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-07-28 21:29:41,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 60 transitions. [2020-07-28 21:29:41,984 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 60 transitions. Word has length 15 [2020-07-28 21:29:41,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:29:41,985 INFO L479 AbstractCegarLoop]: Abstraction has 38 states and 60 transitions. [2020-07-28 21:29:41,985 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 21:29:41,986 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2020-07-28 21:29:41,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-28 21:29:41,986 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:29:41,986 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:29:41,987 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-28 21:29:41,987 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:29:41,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:29:41,987 INFO L82 PathProgramCache]: Analyzing trace with hash 1637147722, now seen corresponding path program 1 times [2020-07-28 21:29:41,988 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:29:41,988 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154482399] [2020-07-28 21:29:41,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:29:42,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:29:42,062 INFO L280 TraceCheckUtils]: 0: Hoare triple {6196#true} [225] ULTIMATE.startENTRY-->L770: Formula: (let ((.cse0 (store |v_#valid_58| 0 0))) (and (= 0 v_~y~0_57) (= 0 v_~main$tmp_guard0~0_41) (= |v_#valid_56| (store .cse0 |v_ULTIMATE.start_main_~#t1915~0.base_24| 1)) (= (store |v_#length_22| |v_ULTIMATE.start_main_~#t1915~0.base_24| 4) |v_#length_21|) (= (store |v_#memory_int_16| |v_ULTIMATE.start_main_~#t1915~0.base_24| (store (select |v_#memory_int_16| |v_ULTIMATE.start_main_~#t1915~0.base_24|) |v_ULTIMATE.start_main_~#t1915~0.offset_17| 0)) |v_#memory_int_15|) (= 0 v_~main$tmp_guard1~0_41) (< |v_#StackHeapBarrier_16| |v_ULTIMATE.start_main_~#t1915~0.base_24|) (= 0 v_~__unbuffered_p0_EAX~0_46) (< 0 |v_#StackHeapBarrier_16|) (= 0 |v_#NULL.offset_4|) (= 0 v_~__unbuffered_p2_EAX~0_41) (= v_~__unbuffered_p2_EBX~0_49 0) (= 0 v_~x~0_23) (= v_~__unbuffered_cnt~0_188 0) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1915~0.base_24|)) (= 0 |v_ULTIMATE.start_main_~#t1915~0.offset_17|) (= 0 |v_#NULL.base_4|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_16|, #valid=|v_#valid_58|, #memory_int=|v_#memory_int_16|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_~#t1916~0.offset=|v_ULTIMATE.start_main_~#t1916~0.offset_18|, ~__unbuffered_p2_EBX~0=v_~__unbuffered_p2_EBX~0_49, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_20|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_8|, #NULL.offset=|v_#NULL.offset_4|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_41, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_41, ULTIMATE.start_main_~#t1916~0.base=|v_ULTIMATE.start_main_~#t1916~0.base_25|, #NULL.base=|v_#NULL.base_4|, #StackHeapBarrier=|v_#StackHeapBarrier_16|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_46, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_15|, #valid=|v_#valid_56|, ULTIMATE.start_main_~#t1917~0.base=|v_ULTIMATE.start_main_~#t1917~0.base_25|, #memory_int=|v_#memory_int_15|, ULTIMATE.start_main_~#t1915~0.base=|v_ULTIMATE.start_main_~#t1915~0.base_24|, #length=|v_#length_21|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_41, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_188, ~y~0=v_~y~0_57, ~x~0=v_~x~0_23, ULTIMATE.start_main_~#t1917~0.offset=|v_ULTIMATE.start_main_~#t1917~0.offset_18|, ULTIMATE.start_main_~#t1915~0.offset=|v_ULTIMATE.start_main_~#t1915~0.offset_17|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1916~0.offset, ~__unbuffered_p2_EBX~0, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, ULTIMATE.start_main_~#t1916~0.base, #NULL.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_#res, #valid, ULTIMATE.start_main_~#t1917~0.base, #memory_int, ULTIMATE.start_main_~#t1915~0.base, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~y~0, ~x~0, ULTIMATE.start_main_~#t1917~0.offset, ULTIMATE.start_main_~#t1915~0.offset] {6196#true} is VALID [2020-07-28 21:29:42,062 INFO L280 TraceCheckUtils]: 1: Hoare triple {6196#true} [165] L770-->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] {6196#true} is VALID [2020-07-28 21:29:42,063 INFO L280 TraceCheckUtils]: 2: Hoare triple {6196#true} [206] L770-1-->L772: Formula: (and (= 0 |v_ULTIMATE.start_main_~#t1916~0.offset_10|) (= |v_#valid_34| (store |v_#valid_35| |v_ULTIMATE.start_main_~#t1916~0.base_12| 1)) (not (= 0 |v_ULTIMATE.start_main_~#t1916~0.base_12|)) (= |v_#memory_int_7| (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t1916~0.base_12| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t1916~0.base_12|) |v_ULTIMATE.start_main_~#t1916~0.offset_10| 1))) (= 0 (select |v_#valid_35| |v_ULTIMATE.start_main_~#t1916~0.base_12|)) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t1916~0.base_12|) (= (store |v_#length_14| |v_ULTIMATE.start_main_~#t1916~0.base_12| 4) |v_#length_13|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_35|, #memory_int=|v_#memory_int_8|, #length=|v_#length_14|} OutVars{ULTIMATE.start_main_~#t1916~0.offset=|v_ULTIMATE.start_main_~#t1916~0.offset_10|, #StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_7|, #length=|v_#length_13|, ULTIMATE.start_main_~#t1916~0.base=|v_ULTIMATE.start_main_~#t1916~0.base_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1916~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length, ULTIMATE.start_main_~#t1916~0.base] {6196#true} is VALID [2020-07-28 21:29:42,063 INFO L280 TraceCheckUtils]: 3: Hoare triple {6196#true} [167] L772-->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] {6196#true} is VALID [2020-07-28 21:29:42,064 INFO L280 TraceCheckUtils]: 4: Hoare triple {6196#true} [208] L772-1-->L774: Formula: (and (= (store |v_#valid_37| |v_ULTIMATE.start_main_~#t1917~0.base_12| 1) |v_#valid_36|) (= |v_#memory_int_9| (store |v_#memory_int_10| |v_ULTIMATE.start_main_~#t1917~0.base_12| (store (select |v_#memory_int_10| |v_ULTIMATE.start_main_~#t1917~0.base_12|) |v_ULTIMATE.start_main_~#t1917~0.offset_10| 2))) (not (= 0 |v_ULTIMATE.start_main_~#t1917~0.base_12|)) (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t1917~0.base_12| 4) |v_#length_15|) (= 0 (select |v_#valid_37| |v_ULTIMATE.start_main_~#t1917~0.base_12|)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t1917~0.base_12|) (= 0 |v_ULTIMATE.start_main_~#t1917~0.offset_10|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_10|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t1917~0.base=|v_ULTIMATE.start_main_~#t1917~0.base_12|, #valid=|v_#valid_36|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_9|, #length=|v_#length_15|, ULTIMATE.start_main_~#t1917~0.offset=|v_ULTIMATE.start_main_~#t1917~0.offset_10|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1917~0.base, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t1917~0.offset] {6196#true} is VALID [2020-07-28 21:29:42,064 INFO L280 TraceCheckUtils]: 5: Hoare triple {6196#true} [169] L774-->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] {6196#true} is VALID [2020-07-28 21:29:42,066 INFO L280 TraceCheckUtils]: 6: Hoare triple {6196#true} [185] P1ENTRY-->L732: Formula: (and (= 1 v_~x~0_8) (= |v_P1Thread1of1ForFork1_#in~arg.offset_4| v_P1Thread1of1ForFork1_~arg.offset_4) (= v_P1Thread1of1ForFork1_~arg.base_4 |v_P1Thread1of1ForFork1_#in~arg.base_4|)) InVars {P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_4, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_4, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|, ~x~0=v_~x~0_8} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_~arg.base, ~x~0] {6198#(= 1 ~x~0)} is VALID [2020-07-28 21:29:42,066 INFO L280 TraceCheckUtils]: 7: Hoare triple {6198#(= 1 ~x~0)} [154] L732-->L735: Formula: (= v_~y~0_2 1) InVars {} OutVars{~y~0=v_~y~0_2} AuxVars[] AssignedVars[~y~0] {6198#(= 1 ~x~0)} is VALID [2020-07-28 21:29:42,067 INFO L280 TraceCheckUtils]: 8: Hoare triple {6198#(= 1 ~x~0)} [202] L735-->P1EXIT: Formula: (and (= (+ v_~__unbuffered_cnt~0_77 1) v_~__unbuffered_cnt~0_76) (= 0 |v_P1Thread1of1ForFork1_#res.base_5|) (= 0 |v_P1Thread1of1ForFork1_#res.offset_5|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_77} OutVars{P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_76, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_5|} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#res.offset, ~__unbuffered_cnt~0, P1Thread1of1ForFork1_#res.base] {6198#(= 1 ~x~0)} is VALID [2020-07-28 21:29:42,068 INFO L280 TraceCheckUtils]: 9: Hoare triple {6198#(= 1 ~x~0)} [175] P2ENTRY-->L747: 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_~__unbuffered_p2_EAX~0_6 v_~y~0_10)) 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_6, 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] {6198#(= 1 ~x~0)} is VALID [2020-07-28 21:29:42,069 INFO L280 TraceCheckUtils]: 10: Hoare triple {6198#(= 1 ~x~0)} [160] L747-->L750: Formula: (= v_~__unbuffered_p2_EBX~0_1 v_~y~0_4) InVars {~y~0=v_~y~0_4} OutVars{~y~0=v_~y~0_4, ~__unbuffered_p2_EBX~0=v_~__unbuffered_p2_EBX~0_1} AuxVars[] AssignedVars[~__unbuffered_p2_EBX~0] {6198#(= 1 ~x~0)} is VALID [2020-07-28 21:29:42,069 INFO L280 TraceCheckUtils]: 11: Hoare triple {6198#(= 1 ~x~0)} [174] P0ENTRY-->L715: Formula: (and (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= v_P0Thread1of1ForFork0_~arg.base_4 |v_P0Thread1of1ForFork0_#in~arg.base_4|) (= 2 v_~y~0_9)) 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|, ~y~0=v_~y~0_9, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_4, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_4} AuxVars[] AssignedVars[~y~0, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {6198#(= 1 ~x~0)} is VALID [2020-07-28 21:29:42,070 INFO L280 TraceCheckUtils]: 12: Hoare triple {6198#(= 1 ~x~0)} [148] L715-->L720: Formula: (= v_~__unbuffered_p0_EAX~0_1 v_~x~0_1) InVars {~x~0=v_~x~0_1} OutVars{~x~0=v_~x~0_1, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_1} AuxVars[] AssignedVars[~__unbuffered_p0_EAX~0] {6199#(= 1 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:29:42,071 INFO L280 TraceCheckUtils]: 13: Hoare triple {6199#(= 1 ~__unbuffered_p0_EAX~0)} [211] L720-->P0EXIT: Formula: (and (= 0 |v_P0Thread1of1ForFork0_#res.offset_17|) (= 0 |v_P0Thread1of1ForFork0_#res.base_17|) (= v_~__unbuffered_cnt~0_123 (+ v_~__unbuffered_cnt~0_124 1))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_124} OutVars{P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_17|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_17|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_123} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_#res.base, ~__unbuffered_cnt~0] {6199#(= 1 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:29:42,072 INFO L280 TraceCheckUtils]: 14: Hoare triple {6199#(= 1 ~__unbuffered_p0_EAX~0)} [207] L750-->P2EXIT: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#res.base_17|) (= 0 |v_P2Thread1of1ForFork2_#res.offset_17|) (= v_~__unbuffered_cnt~0_111 (+ v_~__unbuffered_cnt~0_112 1))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_112} OutVars{P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_17|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_111, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_17|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#res.base, ~__unbuffered_cnt~0, P2Thread1of1ForFork2_#res.offset] {6199#(= 1 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:29:42,073 INFO L280 TraceCheckUtils]: 15: Hoare triple {6199#(= 1 ~__unbuffered_p0_EAX~0)} [216] L774-1-->L3: Formula: (and (= (mod v_~main$tmp_guard0~0_31 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_20|) (let ((.cse0 (= v_~__unbuffered_cnt~0_134 3))) (or (and (not .cse0) (= 0 v_~main$tmp_guard0~0_31)) (and .cse0 (= 1 v_~main$tmp_guard0~0_31)))) (= v_ULTIMATE.start_assume_abort_if_not_~cond_16 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_20|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_134} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_20|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_16, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_11|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_134, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_31} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {6199#(= 1 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:29:42,074 INFO L280 TraceCheckUtils]: 16: Hoare triple {6199#(= 1 ~__unbuffered_p0_EAX~0)} [221] L3-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 1 v_~__unbuffered_p2_EAX~0_30) (= v_~__unbuffered_p2_EBX~0_35 1) (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_19) (= v_ULTIMATE.start___VERIFIER_assert_~expression_19 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_13|) (= 0 v_~__unbuffered_p0_EAX~0_34) (= 0 v_~main$tmp_guard1~0_30) (= 2 v_~y~0_46) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_25))) InVars {~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_34, ~__unbuffered_p2_EBX~0=v_~__unbuffered_p2_EBX~0_35, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_25, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_30, ~y~0=v_~y~0_46} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_34, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_19, ~__unbuffered_p2_EBX~0=v_~__unbuffered_p2_EBX~0_35, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_25, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_30, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_30, ~y~0=v_~y~0_46, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_13|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {6197#false} is VALID [2020-07-28 21:29:42,075 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 21:29:42,076 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154482399] [2020-07-28 21:29:42,076 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:29:42,076 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 21:29:42,077 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328058287] [2020-07-28 21:29:42,078 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-07-28 21:29:42,078 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:29:42,078 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 21:29:42,102 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:29:42,102 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 21:29:42,102 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:29:42,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 21:29:42,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 21:29:42,103 INFO L87 Difference]: Start difference. First operand 38 states and 60 transitions. Second operand 4 states. [2020-07-28 21:29:42,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:29:42,147 INFO L93 Difference]: Finished difference Result 37 states and 59 transitions. [2020-07-28 21:29:42,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-28 21:29:42,148 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-07-28 21:29:42,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:29:42,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:29:42,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2020-07-28 21:29:42,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:29:42,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2020-07-28 21:29:42,149 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 22 transitions. [2020-07-28 21:29:42,174 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:29:42,175 INFO L225 Difference]: With dead ends: 37 [2020-07-28 21:29:42,175 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 21:29:42,175 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 21:29:42,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 21:29:42,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 21:29:42,176 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:29:42,176 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 21:29:42,176 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 21:29:42,177 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 21:29:42,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:29:42,177 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 21:29:42,177 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 21:29:42,177 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:29:42,177 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:29:42,177 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 21:29:42,178 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 21:29:42,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:29:42,178 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 21:29:42,178 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 21:29:42,178 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:29:42,178 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:29:42,178 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:29:42,178 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:29:42,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 21:29:42,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 21:29:42,179 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2020-07-28 21:29:42,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:29:42,179 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 21:29:42,180 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 21:29:42,180 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 21:29:42,180 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:29:42,180 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-28 21:29:42,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 09:29:42 BasicIcfg [2020-07-28 21:29:42,186 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 21:29:42,186 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 21:29:42,186 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 21:29:42,187 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 21:29:42,187 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 09:29:36" (3/4) ... [2020-07-28 21:29:42,191 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 21:29:42,198 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2020-07-28 21:29:42,198 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2020-07-28 21:29:42,198 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2020-07-28 21:29:42,205 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-07-28 21:29:42,205 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-07-28 21:29:42,206 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 21:29:42,270 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 21:29:42,271 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 21:29:42,281 INFO L168 Benchmark]: Toolchain (without parser) took 7600.59 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 314.6 MB). Free memory was 961.6 MB in the beginning and 1.1 GB in the end (delta: -121.9 MB). Peak memory consumption was 192.7 MB. Max. memory is 11.5 GB. [2020-07-28 21:29:42,281 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 21:29:42,282 INFO L168 Benchmark]: CACSL2BoogieTranslator took 746.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -141.3 MB). Peak memory consumption was 16.6 MB. Max. memory is 11.5 GB. [2020-07-28 21:29:42,282 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.68 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 21:29:42,282 INFO L168 Benchmark]: Boogie Preprocessor took 32.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-28 21:29:42,283 INFO L168 Benchmark]: RCFGBuilder took 537.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.9 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. [2020-07-28 21:29:42,283 INFO L168 Benchmark]: TraceAbstraction took 6132.68 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 178.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -23.5 MB). Peak memory consumption was 155.3 MB. Max. memory is 11.5 GB. [2020-07-28 21:29:42,284 INFO L168 Benchmark]: Witness Printer took 84.60 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 21:29:42,286 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 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 746.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -141.3 MB). Peak memory consumption was 16.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.68 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 537.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.9 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6132.68 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 178.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -23.5 MB). Peak memory consumption was 155.3 MB. Max. memory is 11.5 GB. * Witness Printer took 84.60 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.6s, 78 ProgramPointsBefore, 31 ProgramPointsAfterwards, 70 TransitionsBefore, 22 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 8 FixpointIterations, 14 TrivialSequentialCompositions, 35 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 1 ChoiceCompositions, 679 VarBasedMoverChecksPositive, 35 VarBasedMoverChecksNegative, 18 SemBasedMoverChecksPositive, 34 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.7s, 0 MoverChecksTotal, 2768 CheckedPairsTotal, 58 TotalNumberOfCompositions - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 69 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.0s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.7s, HoareTripleCheckerStatistics: 173 SDtfs, 125 SDslu, 184 SDs, 0 SdLazy, 121 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=298occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 36 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 101 ConstructedInterpolants, 0 QuantifiedInterpolants, 3189 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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...