./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe001_tso.opt.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/safe001_tso.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8df3da4ff40c97b7e15ec7cd9f5ddb2753cdbcdd ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 21:26:46,471 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 21:26:46,473 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 21:26:46,486 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 21:26:46,486 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 21:26:46,488 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 21:26:46,489 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 21:26:46,491 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 21:26:46,493 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 21:26:46,494 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 21:26:46,495 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 21:26:46,496 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 21:26:46,497 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 21:26:46,498 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 21:26:46,499 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 21:26:46,500 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 21:26:46,501 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 21:26:46,502 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 21:26:46,504 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 21:26:46,506 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 21:26:46,508 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 21:26:46,509 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 21:26:46,510 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 21:26:46,511 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 21:26:46,514 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 21:26:46,514 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 21:26:46,514 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 21:26:46,515 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 21:26:46,516 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 21:26:46,517 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 21:26:46,517 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 21:26:46,518 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 21:26:46,519 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 21:26:46,520 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 21:26:46,521 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 21:26:46,521 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 21:26:46,522 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 21:26:46,522 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 21:26:46,522 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 21:26:46,524 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 21:26:46,524 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 21:26:46,525 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 21:26:46,550 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 21:26:46,551 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 21:26:46,556 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 21:26:46,556 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 21:26:46,557 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 21:26:46,557 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 21:26:46,557 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 21:26:46,557 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 21:26:46,557 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 21:26:46,558 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 21:26:46,558 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 21:26:46,560 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 21:26:46,561 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 21:26:46,561 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 21:26:46,561 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 21:26:46,562 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 21:26:46,562 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 21:26:46,562 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 21:26:46,562 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 21:26:46,563 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 21:26:46,563 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 21:26:46,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 21:26:46,564 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 21:26:46,564 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 21:26:46,565 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 21:26:46,565 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 21:26:46,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 21:26:46,565 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 21:26:46,566 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 21:26:46,566 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 -> 8df3da4ff40c97b7e15ec7cd9f5ddb2753cdbcdd [2020-07-28 21:26:46,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 21:26:46,932 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 21:26:46,936 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 21:26:46,938 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 21:26:46,938 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 21:26:46,939 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe001_tso.opt.i [2020-07-28 21:26:47,011 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7abc8e931/4d9122d9652243268392d972a1d87c55/FLAG3b1a5e892 [2020-07-28 21:26:47,508 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 21:26:47,509 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe001_tso.opt.i [2020-07-28 21:26:47,523 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7abc8e931/4d9122d9652243268392d972a1d87c55/FLAG3b1a5e892 [2020-07-28 21:26:47,874 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7abc8e931/4d9122d9652243268392d972a1d87c55 [2020-07-28 21:26:47,877 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 21:26:47,880 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 21:26:47,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 21:26:47,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 21:26:47,885 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 21:26:47,887 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 09:26:47" (1/1) ... [2020-07-28 21:26:47,891 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e8b4eb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:26:47, skipping insertion in model container [2020-07-28 21:26:47,891 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 09:26:47" (1/1) ... [2020-07-28 21:26:47,900 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 21:26:47,964 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 21:26:48,461 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 21:26:48,482 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 21:26:48,542 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 21:26:48,638 INFO L208 MainTranslator]: Completed translation [2020-07-28 21:26:48,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:26:48 WrapperNode [2020-07-28 21:26:48,639 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 21:26:48,641 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 21:26:48,641 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 21:26:48,641 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 21:26:48,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:26:48" (1/1) ... [2020-07-28 21:26:48,684 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:26:48" (1/1) ... [2020-07-28 21:26:48,709 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 21:26:48,709 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 21:26:48,709 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 21:26:48,709 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 21:26:48,717 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:26:48" (1/1) ... [2020-07-28 21:26:48,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:26:48" (1/1) ... [2020-07-28 21:26:48,720 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:26:48" (1/1) ... [2020-07-28 21:26:48,720 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:26:48" (1/1) ... [2020-07-28 21:26:48,729 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:26:48" (1/1) ... [2020-07-28 21:26:48,732 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:26:48" (1/1) ... [2020-07-28 21:26:48,734 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:26:48" (1/1) ... [2020-07-28 21:26:48,738 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 21:26:48,738 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 21:26:48,738 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 21:26:48,739 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 21:26:48,740 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:26:48" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 21:26:48,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-28 21:26:48,806 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-07-28 21:26:48,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 21:26:48,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 21:26:48,807 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-07-28 21:26:48,807 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-07-28 21:26:48,807 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-07-28 21:26:48,807 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-07-28 21:26:48,807 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-07-28 21:26:48,807 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-07-28 21:26:48,808 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-07-28 21:26:48,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 21:26:48,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 21:26:48,809 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-07-28 21:26:49,276 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 21:26:49,276 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-07-28 21:26:49,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 09:26:49 BoogieIcfgContainer [2020-07-28 21:26:49,282 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 21:26:49,284 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 21:26:49,284 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 21:26:49,287 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 21:26:49,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 09:26:47" (1/3) ... [2020-07-28 21:26:49,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5475522e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 09:26:49, skipping insertion in model container [2020-07-28 21:26:49,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:26:48" (2/3) ... [2020-07-28 21:26:49,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5475522e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 09:26:49, skipping insertion in model container [2020-07-28 21:26:49,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 09:26:49" (3/3) ... [2020-07-28 21:26:49,293 INFO L109 eAbstractionObserver]: Analyzing ICFG safe001_tso.opt.i [2020-07-28 21:26:49,303 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-07-28 21:26:49,304 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 21:26:49,314 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 21:26:49,315 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-07-28 21:26:49,366 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:49,367 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:49,367 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:49,368 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:49,369 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:49,369 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:49,371 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:49,371 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:49,371 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:49,371 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:49,372 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:49,373 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:49,374 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:49,374 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:49,375 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:49,375 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:49,376 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:49,376 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:49,380 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:49,381 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:49,381 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:49,381 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:49,392 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:49,393 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:49,394 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:49,394 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:49,396 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:49,397 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:49,397 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:49,397 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:26:49,417 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-07-28 21:26:49,435 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 21:26:49,436 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 21:26:49,436 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 21:26:49,436 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 21:26:49,436 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 21:26:49,436 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 21:26:49,437 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 21:26:49,437 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 21:26:49,451 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 69 transitions, 153 flow [2020-07-28 21:26:49,453 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 77 places, 69 transitions, 153 flow [2020-07-28 21:26:49,496 INFO L129 PetriNetUnfolder]: 2/66 cut-off events. [2020-07-28 21:26:49,496 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-07-28 21:26:49,501 INFO L80 FinitePrefix]: Finished finitePrefix Result has 76 conditions, 66 events. 2/66 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 54 event pairs, 0 based on Foata normal form. 0/63 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-07-28 21:26:49,505 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 77 places, 69 transitions, 153 flow [2020-07-28 21:26:49,528 INFO L129 PetriNetUnfolder]: 2/66 cut-off events. [2020-07-28 21:26:49,529 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-07-28 21:26:49,530 INFO L80 FinitePrefix]: Finished finitePrefix Result has 76 conditions, 66 events. 2/66 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 54 event pairs, 0 based on Foata normal form. 0/63 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-07-28 21:26:49,532 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1260 [2020-07-28 21:26:49,535 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-07-28 21:26:51,862 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2483 [2020-07-28 21:26:51,863 INFO L214 etLargeBlockEncoding]: Total number of compositions: 57 [2020-07-28 21:26:51,868 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 31 places, 22 transitions, 59 flow [2020-07-28 21:26:51,911 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 298 states. [2020-07-28 21:26:51,914 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states. [2020-07-28 21:26:51,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-07-28 21:26:51,943 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:26:51,944 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:26:51,944 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:26:51,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:26:51,949 INFO L82 PathProgramCache]: Analyzing trace with hash -245765301, now seen corresponding path program 1 times [2020-07-28 21:26:51,958 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:26:51,958 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890250841] [2020-07-28 21:26:51,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:26:52,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:26:52,202 INFO L280 TraceCheckUtils]: 0: Hoare triple {676#true} [220] ULTIMATE.startENTRY-->L766: Formula: (let ((.cse0 (store |v_#valid_53| 0 0))) (and (= 0 |v_#NULL.base_5|) (= 0 v_~y~0_50) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1822~0.base_16|)) (= |v_#length_21| (store |v_#length_22| |v_ULTIMATE.start_main_~#t1822~0.base_16| 4)) (= |v_ULTIMATE.start_main_~#t1822~0.offset_13| 0) (= (store .cse0 |v_ULTIMATE.start_main_~#t1822~0.base_16| 1) |v_#valid_51|) (= 0 v_~main$tmp_guard0~0_32) (= v_~__unbuffered_cnt~0_118 0) (= 0 v_~__unbuffered_p2_EAX~0_33) (= 0 |v_#NULL.offset_5|) (= 0 v_~__unbuffered_p0_EAX~0_37) (= 0 v_~x~0_43) (< 0 |v_#StackHeapBarrier_15|) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t1822~0.base_16|) (= 0 v_~main$tmp_guard1~0_32) (= |v_#memory_int_19| (store |v_#memory_int_20| |v_ULTIMATE.start_main_~#t1822~0.base_16| (store (select |v_#memory_int_20| |v_ULTIMATE.start_main_~#t1822~0.base_16|) |v_ULTIMATE.start_main_~#t1822~0.offset_13| 0))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_53|, #memory_int=|v_#memory_int_20|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_~#t1824~0.base=|v_ULTIMATE.start_main_~#t1824~0.base_17|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_24|, ULTIMATE.start_main_~#t1824~0.offset=|v_ULTIMATE.start_main_~#t1824~0.offset_14|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, ULTIMATE.start_main_~#t1822~0.offset=|v_ULTIMATE.start_main_~#t1822~0.offset_13|, #NULL.offset=|v_#NULL.offset_5|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_32, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_32, #NULL.base=|v_#NULL.base_5|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_37, ULTIMATE.start_main_~#t1823~0.base=|v_ULTIMATE.start_main_~#t1823~0.base_16|, ULTIMATE.start_main_~#t1823~0.offset=|v_ULTIMATE.start_main_~#t1823~0.offset_13|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_13|, #valid=|v_#valid_51|, #memory_int=|v_#memory_int_19|, ULTIMATE.start_main_~#t1822~0.base=|v_ULTIMATE.start_main_~#t1822~0.base_16|, #length=|v_#length_21|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_33, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_118, ~y~0=v_~y~0_50, ~x~0=v_~x~0_43} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1824~0.base, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t1824~0.offset, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~#t1822~0.offset, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t1823~0.base, ULTIMATE.start_main_~#t1823~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, ULTIMATE.start_main_~#t1822~0.base, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~y~0, ~x~0] {678#(= 0 ~y~0)} is VALID [2020-07-28 21:26:52,204 INFO L280 TraceCheckUtils]: 1: Hoare triple {678#(= 0 ~y~0)} [163] L766-->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] {678#(= 0 ~y~0)} is VALID [2020-07-28 21:26:52,210 INFO L280 TraceCheckUtils]: 2: Hoare triple {678#(= 0 ~y~0)} [206] L766-1-->L768: Formula: (and (= 0 (select |v_#valid_36| |v_ULTIMATE.start_main_~#t1823~0.base_11|)) (= (store |v_#memory_int_16| |v_ULTIMATE.start_main_~#t1823~0.base_11| (store (select |v_#memory_int_16| |v_ULTIMATE.start_main_~#t1823~0.base_11|) |v_ULTIMATE.start_main_~#t1823~0.offset_10| 1)) |v_#memory_int_15|) (= (store |v_#valid_36| |v_ULTIMATE.start_main_~#t1823~0.base_11| 1) |v_#valid_35|) (not (= 0 |v_ULTIMATE.start_main_~#t1823~0.base_11|)) (= |v_#length_17| (store |v_#length_18| |v_ULTIMATE.start_main_~#t1823~0.base_11| 4)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t1823~0.base_11|) (= 0 |v_ULTIMATE.start_main_~#t1823~0.offset_10|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_16|, #length=|v_#length_18|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t1823~0.base=|v_ULTIMATE.start_main_~#t1823~0.base_11|, ULTIMATE.start_main_~#t1823~0.offset=|v_ULTIMATE.start_main_~#t1823~0.offset_10|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_35|, #memory_int=|v_#memory_int_15|, #length=|v_#length_17|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1823~0.base, ULTIMATE.start_main_~#t1823~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {678#(= 0 ~y~0)} is VALID [2020-07-28 21:26:52,211 INFO L280 TraceCheckUtils]: 3: Hoare triple {678#(= 0 ~y~0)} [165] L768-->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] {678#(= 0 ~y~0)} is VALID [2020-07-28 21:26:52,213 INFO L280 TraceCheckUtils]: 4: Hoare triple {678#(= 0 ~y~0)} [205] L768-1-->L770: Formula: (and (= 0 (select |v_#valid_34| |v_ULTIMATE.start_main_~#t1824~0.base_13|)) (= (store |v_#valid_34| |v_ULTIMATE.start_main_~#t1824~0.base_13| 1) |v_#valid_33|) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1824~0.base_13| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1824~0.base_13|) |v_ULTIMATE.start_main_~#t1824~0.offset_11| 2)) |v_#memory_int_13|) (= 0 |v_ULTIMATE.start_main_~#t1824~0.offset_11|) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t1824~0.base_13|) (not (= 0 |v_ULTIMATE.start_main_~#t1824~0.base_13|)) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t1824~0.base_13| 4))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_14|, #length=|v_#length_16|} OutVars{ULTIMATE.start_main_~#t1824~0.base=|v_ULTIMATE.start_main_~#t1824~0.base_13|, #StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_~#t1824~0.offset=|v_ULTIMATE.start_main_~#t1824~0.offset_11|, #valid=|v_#valid_33|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_13|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1824~0.base, ULTIMATE.start_main_~#t1824~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length] {678#(= 0 ~y~0)} is VALID [2020-07-28 21:26:52,214 INFO L280 TraceCheckUtils]: 5: Hoare triple {678#(= 0 ~y~0)} [167] L770-->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] {678#(= 0 ~y~0)} is VALID [2020-07-28 21:26:52,215 INFO L280 TraceCheckUtils]: 6: Hoare triple {678#(= 0 ~y~0)} [201] L770-1-->L2: Formula: (and (= (mod v_~main$tmp_guard0~0_19 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_6|) (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_73))) (or (and .cse0 (= 1 v_~main$tmp_guard0~0_19)) (and (not .cse0) (= 0 v_~main$tmp_guard0~0_19))))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_73} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_6|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_9, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_12|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_73, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_19} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {678#(= 0 ~y~0)} is VALID [2020-07-28 21:26:52,216 INFO L280 TraceCheckUtils]: 7: Hoare triple {678#(= 0 ~y~0)} [219] L2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= v_ULTIMATE.start___VERIFIER_assert_~expression_17 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_13|) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_28)) (= 1 v_~__unbuffered_p2_EAX~0_32) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_13| (mod v_~main$tmp_guard1~0_31 256)) (= 2 v_~__unbuffered_p0_EAX~0_36) (= 0 v_~main$tmp_guard1~0_31) (= v_ULTIMATE.start_assume_abort_if_not_~cond_28 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (= 2 v_~x~0_42) (= 2 v_~y~0_49)) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_36, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_32, ~y~0=v_~y~0_49, ~x~0=v_~x~0_42} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_36, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_17, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_28, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_31, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_32, ~y~0=v_~y~0_49, ~x~0=v_~x~0_42, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_13|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {677#false} is VALID [2020-07-28 21:26:52,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 21:26:52,221 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890250841] [2020-07-28 21:26:52,221 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:26:52,222 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-07-28 21:26:52,223 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329891931] [2020-07-28 21:26:52,230 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-07-28 21:26:52,233 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:26:52,239 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 21:26:52,271 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 8 edges. 8 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:26:52,271 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 21:26:52,272 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:26:52,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 21:26:52,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 21:26:52,291 INFO L87 Difference]: Start difference. First operand 298 states. Second operand 3 states. [2020-07-28 21:26:52,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:26:52,451 INFO L93 Difference]: Finished difference Result 282 states and 804 transitions. [2020-07-28 21:26:52,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 21:26:52,452 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-07-28 21:26:52,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:26:52,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 21:26:52,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 32 transitions. [2020-07-28 21:26:52,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 21:26:52,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 32 transitions. [2020-07-28 21:26:52,457 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 32 transitions. [2020-07-28 21:26:52,508 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:26:52,531 INFO L225 Difference]: With dead ends: 282 [2020-07-28 21:26:52,531 INFO L226 Difference]: Without dead ends: 218 [2020-07-28 21:26:52,533 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 21:26:52,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2020-07-28 21:26:52,580 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,582 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,583 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,583 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,583 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,584 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,584 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,584 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,585 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,585 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,585 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,585 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,586 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,586 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,586 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,587 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,587 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,587 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,588 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,588 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,588 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,588 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,589 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,589 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,589 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,590 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,590 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,590 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,591 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,591 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,591 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,592 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,592 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,592 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,592 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,593 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,593 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,593 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,594 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,594 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,594 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,595 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,595 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,595 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,596 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,596 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,596 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,596 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,597 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,597 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,597 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,598 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,598 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,598 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,599 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,599 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,599 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,600 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,600 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,600 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,601 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,601 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,601 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,601 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,602 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,602 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,602 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,603 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,603 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,603 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,604 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,604 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,604 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,605 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,605 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,605 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,606 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,606 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,606 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,606 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,607 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,607 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,607 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,608 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,608 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,608 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,609 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,609 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,609 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,610 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,610 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,610 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,611 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,611 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,611 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,611 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,612 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,612 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,612 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,613 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,613 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,613 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,614 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,614 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,614 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,615 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,615 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,615 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,616 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,616 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,616 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,617 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,617 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,617 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,618 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,618 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,618 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,619 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,619 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,619 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,620 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,620 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,620 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,621 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,621 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,621 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,622 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,622 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,622 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,623 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,623 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,623 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,624 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,624 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,624 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,625 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,625 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,625 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,625 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,626 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,626 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,626 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,627 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,627 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,627 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,628 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,628 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,628 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,629 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,629 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,629 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,629 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,630 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,630 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,630 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,631 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,631 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,631 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,632 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,632 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,632 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,633 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,633 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,633 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,634 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,634 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,634 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,635 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,635 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,635 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,635 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,636 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,636 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,636 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,637 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,637 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,637 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,638 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,638 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,638 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,638 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,639 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,639 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,639 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,640 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,640 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,640 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,640 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,641 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,641 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,641 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,642 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,642 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,642 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,643 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,643 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,643 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,643 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,644 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,644 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,644 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,645 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,645 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,645 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,646 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,646 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,646 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,646 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,647 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,647 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,647 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,648 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,648 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,649 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,649 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,650 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,650 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,650 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:52,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2020-07-28 21:26:52,652 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:26:52,652 INFO L82 GeneralOperation]: Start isEquivalent. First operand 218 states. Second operand 218 states. [2020-07-28 21:26:52,653 INFO L74 IsIncluded]: Start isIncluded. First operand 218 states. Second operand 218 states. [2020-07-28 21:26:52,653 INFO L87 Difference]: Start difference. First operand 218 states. Second operand 218 states. [2020-07-28 21:26:52,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:26:52,672 INFO L93 Difference]: Finished difference Result 218 states and 596 transitions. [2020-07-28 21:26:52,672 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 596 transitions. [2020-07-28 21:26:52,674 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:26:52,675 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:26:52,675 INFO L74 IsIncluded]: Start isIncluded. First operand 218 states. Second operand 218 states. [2020-07-28 21:26:52,675 INFO L87 Difference]: Start difference. First operand 218 states. Second operand 218 states. [2020-07-28 21:26:52,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:26:52,694 INFO L93 Difference]: Finished difference Result 218 states and 596 transitions. [2020-07-28 21:26:52,694 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 596 transitions. [2020-07-28 21:26:52,696 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:26:52,696 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:26:52,697 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:26:52,697 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:26:52,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-07-28 21:26:52,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 596 transitions. [2020-07-28 21:26:52,715 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 596 transitions. Word has length 8 [2020-07-28 21:26:52,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:26:52,715 INFO L479 AbstractCegarLoop]: Abstraction has 218 states and 596 transitions. [2020-07-28 21:26:52,716 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 21:26:52,716 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 596 transitions. [2020-07-28 21:26:52,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-07-28 21:26:52,717 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:26:52,717 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:26:52,718 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 21:26:52,718 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:26:52,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:26:52,718 INFO L82 PathProgramCache]: Analyzing trace with hash -457725721, now seen corresponding path program 1 times [2020-07-28 21:26:52,719 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:26:52,719 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095122948] [2020-07-28 21:26:52,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:26:52,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:26:52,843 INFO L280 TraceCheckUtils]: 0: Hoare triple {1835#true} [220] ULTIMATE.startENTRY-->L766: Formula: (let ((.cse0 (store |v_#valid_53| 0 0))) (and (= 0 |v_#NULL.base_5|) (= 0 v_~y~0_50) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1822~0.base_16|)) (= |v_#length_21| (store |v_#length_22| |v_ULTIMATE.start_main_~#t1822~0.base_16| 4)) (= |v_ULTIMATE.start_main_~#t1822~0.offset_13| 0) (= (store .cse0 |v_ULTIMATE.start_main_~#t1822~0.base_16| 1) |v_#valid_51|) (= 0 v_~main$tmp_guard0~0_32) (= v_~__unbuffered_cnt~0_118 0) (= 0 v_~__unbuffered_p2_EAX~0_33) (= 0 |v_#NULL.offset_5|) (= 0 v_~__unbuffered_p0_EAX~0_37) (= 0 v_~x~0_43) (< 0 |v_#StackHeapBarrier_15|) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t1822~0.base_16|) (= 0 v_~main$tmp_guard1~0_32) (= |v_#memory_int_19| (store |v_#memory_int_20| |v_ULTIMATE.start_main_~#t1822~0.base_16| (store (select |v_#memory_int_20| |v_ULTIMATE.start_main_~#t1822~0.base_16|) |v_ULTIMATE.start_main_~#t1822~0.offset_13| 0))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_53|, #memory_int=|v_#memory_int_20|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_~#t1824~0.base=|v_ULTIMATE.start_main_~#t1824~0.base_17|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_24|, ULTIMATE.start_main_~#t1824~0.offset=|v_ULTIMATE.start_main_~#t1824~0.offset_14|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, ULTIMATE.start_main_~#t1822~0.offset=|v_ULTIMATE.start_main_~#t1822~0.offset_13|, #NULL.offset=|v_#NULL.offset_5|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_32, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_32, #NULL.base=|v_#NULL.base_5|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_37, ULTIMATE.start_main_~#t1823~0.base=|v_ULTIMATE.start_main_~#t1823~0.base_16|, ULTIMATE.start_main_~#t1823~0.offset=|v_ULTIMATE.start_main_~#t1823~0.offset_13|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_13|, #valid=|v_#valid_51|, #memory_int=|v_#memory_int_19|, ULTIMATE.start_main_~#t1822~0.base=|v_ULTIMATE.start_main_~#t1822~0.base_16|, #length=|v_#length_21|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_33, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_118, ~y~0=v_~y~0_50, ~x~0=v_~x~0_43} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1824~0.base, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t1824~0.offset, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~#t1822~0.offset, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t1823~0.base, ULTIMATE.start_main_~#t1823~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, ULTIMATE.start_main_~#t1822~0.base, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~y~0, ~x~0] {1835#true} is VALID [2020-07-28 21:26:52,844 INFO L280 TraceCheckUtils]: 1: Hoare triple {1835#true} [163] L766-->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] {1835#true} is VALID [2020-07-28 21:26:52,844 INFO L280 TraceCheckUtils]: 2: Hoare triple {1835#true} [206] L766-1-->L768: Formula: (and (= 0 (select |v_#valid_36| |v_ULTIMATE.start_main_~#t1823~0.base_11|)) (= (store |v_#memory_int_16| |v_ULTIMATE.start_main_~#t1823~0.base_11| (store (select |v_#memory_int_16| |v_ULTIMATE.start_main_~#t1823~0.base_11|) |v_ULTIMATE.start_main_~#t1823~0.offset_10| 1)) |v_#memory_int_15|) (= (store |v_#valid_36| |v_ULTIMATE.start_main_~#t1823~0.base_11| 1) |v_#valid_35|) (not (= 0 |v_ULTIMATE.start_main_~#t1823~0.base_11|)) (= |v_#length_17| (store |v_#length_18| |v_ULTIMATE.start_main_~#t1823~0.base_11| 4)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t1823~0.base_11|) (= 0 |v_ULTIMATE.start_main_~#t1823~0.offset_10|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_16|, #length=|v_#length_18|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t1823~0.base=|v_ULTIMATE.start_main_~#t1823~0.base_11|, ULTIMATE.start_main_~#t1823~0.offset=|v_ULTIMATE.start_main_~#t1823~0.offset_10|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_35|, #memory_int=|v_#memory_int_15|, #length=|v_#length_17|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1823~0.base, ULTIMATE.start_main_~#t1823~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {1835#true} is VALID [2020-07-28 21:26:52,845 INFO L280 TraceCheckUtils]: 3: Hoare triple {1835#true} [165] L768-->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] {1835#true} is VALID [2020-07-28 21:26:52,845 INFO L280 TraceCheckUtils]: 4: Hoare triple {1835#true} [188] P1ENTRY-->L728: Formula: (and (= 2 v_~x~0_18) (= |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_18} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_~arg.base, ~x~0] {1835#true} is VALID [2020-07-28 21:26:52,847 INFO L280 TraceCheckUtils]: 5: Hoare triple {1835#true} [152] L728-->L731: Formula: (= v_~y~0_2 1) InVars {} OutVars{~y~0=v_~y~0_2} AuxVars[] AssignedVars[~y~0] {1837#(= 1 ~y~0)} is VALID [2020-07-28 21:26:52,852 INFO L280 TraceCheckUtils]: 6: Hoare triple {1837#(= 1 ~y~0)} [205] L768-1-->L770: Formula: (and (= 0 (select |v_#valid_34| |v_ULTIMATE.start_main_~#t1824~0.base_13|)) (= (store |v_#valid_34| |v_ULTIMATE.start_main_~#t1824~0.base_13| 1) |v_#valid_33|) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1824~0.base_13| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1824~0.base_13|) |v_ULTIMATE.start_main_~#t1824~0.offset_11| 2)) |v_#memory_int_13|) (= 0 |v_ULTIMATE.start_main_~#t1824~0.offset_11|) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t1824~0.base_13|) (not (= 0 |v_ULTIMATE.start_main_~#t1824~0.base_13|)) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t1824~0.base_13| 4))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_14|, #length=|v_#length_16|} OutVars{ULTIMATE.start_main_~#t1824~0.base=|v_ULTIMATE.start_main_~#t1824~0.base_13|, #StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_~#t1824~0.offset=|v_ULTIMATE.start_main_~#t1824~0.offset_11|, #valid=|v_#valid_33|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_13|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1824~0.base, ULTIMATE.start_main_~#t1824~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length] {1837#(= 1 ~y~0)} is VALID [2020-07-28 21:26:52,853 INFO L280 TraceCheckUtils]: 7: Hoare triple {1837#(= 1 ~y~0)} [167] L770-->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] {1837#(= 1 ~y~0)} is VALID [2020-07-28 21:26:52,853 INFO L280 TraceCheckUtils]: 8: Hoare triple {1837#(= 1 ~y~0)} [201] L770-1-->L2: Formula: (and (= (mod v_~main$tmp_guard0~0_19 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_6|) (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_73))) (or (and .cse0 (= 1 v_~main$tmp_guard0~0_19)) (and (not .cse0) (= 0 v_~main$tmp_guard0~0_19))))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_73} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_6|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_9, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_12|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_73, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_19} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {1837#(= 1 ~y~0)} is VALID [2020-07-28 21:26:52,854 INFO L280 TraceCheckUtils]: 9: Hoare triple {1837#(= 1 ~y~0)} [219] L2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= v_ULTIMATE.start___VERIFIER_assert_~expression_17 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_13|) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_28)) (= 1 v_~__unbuffered_p2_EAX~0_32) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_13| (mod v_~main$tmp_guard1~0_31 256)) (= 2 v_~__unbuffered_p0_EAX~0_36) (= 0 v_~main$tmp_guard1~0_31) (= v_ULTIMATE.start_assume_abort_if_not_~cond_28 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (= 2 v_~x~0_42) (= 2 v_~y~0_49)) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_36, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_32, ~y~0=v_~y~0_49, ~x~0=v_~x~0_42} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_36, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_17, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_28, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_31, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_32, ~y~0=v_~y~0_49, ~x~0=v_~x~0_42, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_13|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {1836#false} is VALID [2020-07-28 21:26:52,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 21:26:52,856 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095122948] [2020-07-28 21:26:52,856 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:26:52,856 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 21:26:52,857 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957828744] [2020-07-28 21:26:52,859 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-07-28 21:26:52,859 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:26:52,859 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 21:26:52,875 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 10 edges. 10 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:26:52,875 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 21:26:52,876 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:26:52,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 21:26:52,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 21:26:52,876 INFO L87 Difference]: Start difference. First operand 218 states and 596 transitions. Second operand 3 states. [2020-07-28 21:26:52,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:26:52,946 INFO L93 Difference]: Finished difference Result 250 states and 644 transitions. [2020-07-28 21:26:52,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 21:26:52,946 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-07-28 21:26:52,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:26:52,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 21:26:52,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 28 transitions. [2020-07-28 21:26:52,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 21:26:52,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 28 transitions. [2020-07-28 21:26:52,948 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 28 transitions. [2020-07-28 21:26:52,986 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 28 edges. 28 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:26:52,992 INFO L225 Difference]: With dead ends: 250 [2020-07-28 21:26:52,992 INFO L226 Difference]: Without dead ends: 218 [2020-07-28 21:26:52,993 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 21:26:53,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2020-07-28 21:26:53,012 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,012 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,012 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,012 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,013 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,013 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,013 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,013 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,014 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,014 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,014 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,014 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,014 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,015 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,015 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,015 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,015 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,015 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,016 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,016 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,016 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,016 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,016 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,016 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,017 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,017 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,017 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,017 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,017 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,018 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,018 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,018 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,018 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,018 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,019 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,019 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,019 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,022 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,023 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,023 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,023 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,023 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,024 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,024 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,024 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,024 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,024 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,025 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,025 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,025 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,025 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,025 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,026 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,026 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,026 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,026 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,026 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,026 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,027 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,027 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,027 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,027 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,027 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,028 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,028 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,028 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,028 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,028 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,029 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,029 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,029 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,029 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,029 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,030 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,030 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,030 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,030 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,030 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,031 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,031 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,031 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,031 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,031 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,031 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,032 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,032 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,032 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,033 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,033 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,033 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,033 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,033 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,034 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,034 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,035 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,035 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,036 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,036 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,036 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,037 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,038 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,038 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,038 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,038 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,039 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,039 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,039 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,039 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,039 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,039 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,040 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,040 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,040 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,040 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,040 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,041 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,041 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,041 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,041 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,041 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,042 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,042 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,042 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,042 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,042 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,043 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,043 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,043 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,044 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,045 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,045 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,045 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,046 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,046 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,046 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,046 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,047 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,047 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,047 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,047 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,047 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,048 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,048 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,048 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,048 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,048 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,049 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,049 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,049 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,049 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,049 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,049 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,050 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,050 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,050 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,050 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,050 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,051 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,051 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,051 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,051 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,051 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,052 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,052 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,053 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,053 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,054 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,054 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,054 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,054 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,054 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,054 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,055 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,055 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,055 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,055 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,055 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,055 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,055 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,056 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,056 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,056 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,056 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,056 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,056 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,057 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,057 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,057 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,057 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,057 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,057 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,057 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,058 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,058 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,058 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,058 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,059 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,059 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,059 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,060 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,060 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,060 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 202. [2020-07-28 21:26:53,061 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:26:53,061 INFO L82 GeneralOperation]: Start isEquivalent. First operand 218 states. Second operand 202 states. [2020-07-28 21:26:53,061 INFO L74 IsIncluded]: Start isIncluded. First operand 218 states. Second operand 202 states. [2020-07-28 21:26:53,061 INFO L87 Difference]: Start difference. First operand 218 states. Second operand 202 states. [2020-07-28 21:26:53,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:26:53,074 INFO L93 Difference]: Finished difference Result 218 states and 556 transitions. [2020-07-28 21:26:53,074 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 556 transitions. [2020-07-28 21:26:53,075 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:26:53,075 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:26:53,075 INFO L74 IsIncluded]: Start isIncluded. First operand 202 states. Second operand 218 states. [2020-07-28 21:26:53,075 INFO L87 Difference]: Start difference. First operand 202 states. Second operand 218 states. [2020-07-28 21:26:53,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:26:53,088 INFO L93 Difference]: Finished difference Result 218 states and 556 transitions. [2020-07-28 21:26:53,088 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 556 transitions. [2020-07-28 21:26:53,089 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:26:53,089 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:26:53,089 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:26:53,089 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:26:53,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2020-07-28 21:26:53,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 528 transitions. [2020-07-28 21:26:53,101 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 528 transitions. Word has length 10 [2020-07-28 21:26:53,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:26:53,101 INFO L479 AbstractCegarLoop]: Abstraction has 202 states and 528 transitions. [2020-07-28 21:26:53,101 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 21:26:53,101 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 528 transitions. [2020-07-28 21:26:53,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-07-28 21:26:53,102 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:26:53,102 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:26:53,102 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 21:26:53,102 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:26:53,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:26:53,103 INFO L82 PathProgramCache]: Analyzing trace with hash 42721384, now seen corresponding path program 1 times [2020-07-28 21:26:53,103 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:26:53,103 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094477568] [2020-07-28 21:26:53,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:26:53,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:26:53,199 INFO L280 TraceCheckUtils]: 0: Hoare triple {2930#true} [220] ULTIMATE.startENTRY-->L766: Formula: (let ((.cse0 (store |v_#valid_53| 0 0))) (and (= 0 |v_#NULL.base_5|) (= 0 v_~y~0_50) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1822~0.base_16|)) (= |v_#length_21| (store |v_#length_22| |v_ULTIMATE.start_main_~#t1822~0.base_16| 4)) (= |v_ULTIMATE.start_main_~#t1822~0.offset_13| 0) (= (store .cse0 |v_ULTIMATE.start_main_~#t1822~0.base_16| 1) |v_#valid_51|) (= 0 v_~main$tmp_guard0~0_32) (= v_~__unbuffered_cnt~0_118 0) (= 0 v_~__unbuffered_p2_EAX~0_33) (= 0 |v_#NULL.offset_5|) (= 0 v_~__unbuffered_p0_EAX~0_37) (= 0 v_~x~0_43) (< 0 |v_#StackHeapBarrier_15|) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t1822~0.base_16|) (= 0 v_~main$tmp_guard1~0_32) (= |v_#memory_int_19| (store |v_#memory_int_20| |v_ULTIMATE.start_main_~#t1822~0.base_16| (store (select |v_#memory_int_20| |v_ULTIMATE.start_main_~#t1822~0.base_16|) |v_ULTIMATE.start_main_~#t1822~0.offset_13| 0))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_53|, #memory_int=|v_#memory_int_20|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_~#t1824~0.base=|v_ULTIMATE.start_main_~#t1824~0.base_17|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_24|, ULTIMATE.start_main_~#t1824~0.offset=|v_ULTIMATE.start_main_~#t1824~0.offset_14|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, ULTIMATE.start_main_~#t1822~0.offset=|v_ULTIMATE.start_main_~#t1822~0.offset_13|, #NULL.offset=|v_#NULL.offset_5|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_32, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_32, #NULL.base=|v_#NULL.base_5|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_37, ULTIMATE.start_main_~#t1823~0.base=|v_ULTIMATE.start_main_~#t1823~0.base_16|, ULTIMATE.start_main_~#t1823~0.offset=|v_ULTIMATE.start_main_~#t1823~0.offset_13|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_13|, #valid=|v_#valid_51|, #memory_int=|v_#memory_int_19|, ULTIMATE.start_main_~#t1822~0.base=|v_ULTIMATE.start_main_~#t1822~0.base_16|, #length=|v_#length_21|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_33, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_118, ~y~0=v_~y~0_50, ~x~0=v_~x~0_43} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1824~0.base, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t1824~0.offset, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~#t1822~0.offset, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t1823~0.base, ULTIMATE.start_main_~#t1823~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, ULTIMATE.start_main_~#t1822~0.base, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~y~0, ~x~0] {2932#(= 0 ~x~0)} is VALID [2020-07-28 21:26:53,200 INFO L280 TraceCheckUtils]: 1: Hoare triple {2932#(= 0 ~x~0)} [163] L766-->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] {2932#(= 0 ~x~0)} is VALID [2020-07-28 21:26:53,201 INFO L280 TraceCheckUtils]: 2: Hoare triple {2932#(= 0 ~x~0)} [206] L766-1-->L768: Formula: (and (= 0 (select |v_#valid_36| |v_ULTIMATE.start_main_~#t1823~0.base_11|)) (= (store |v_#memory_int_16| |v_ULTIMATE.start_main_~#t1823~0.base_11| (store (select |v_#memory_int_16| |v_ULTIMATE.start_main_~#t1823~0.base_11|) |v_ULTIMATE.start_main_~#t1823~0.offset_10| 1)) |v_#memory_int_15|) (= (store |v_#valid_36| |v_ULTIMATE.start_main_~#t1823~0.base_11| 1) |v_#valid_35|) (not (= 0 |v_ULTIMATE.start_main_~#t1823~0.base_11|)) (= |v_#length_17| (store |v_#length_18| |v_ULTIMATE.start_main_~#t1823~0.base_11| 4)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t1823~0.base_11|) (= 0 |v_ULTIMATE.start_main_~#t1823~0.offset_10|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_16|, #length=|v_#length_18|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t1823~0.base=|v_ULTIMATE.start_main_~#t1823~0.base_11|, ULTIMATE.start_main_~#t1823~0.offset=|v_ULTIMATE.start_main_~#t1823~0.offset_10|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_35|, #memory_int=|v_#memory_int_15|, #length=|v_#length_17|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1823~0.base, ULTIMATE.start_main_~#t1823~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {2932#(= 0 ~x~0)} is VALID [2020-07-28 21:26:53,202 INFO L280 TraceCheckUtils]: 3: Hoare triple {2932#(= 0 ~x~0)} [165] L768-->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] {2932#(= 0 ~x~0)} is VALID [2020-07-28 21:26:53,202 INFO L280 TraceCheckUtils]: 4: Hoare triple {2932#(= 0 ~x~0)} [205] L768-1-->L770: Formula: (and (= 0 (select |v_#valid_34| |v_ULTIMATE.start_main_~#t1824~0.base_13|)) (= (store |v_#valid_34| |v_ULTIMATE.start_main_~#t1824~0.base_13| 1) |v_#valid_33|) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1824~0.base_13| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1824~0.base_13|) |v_ULTIMATE.start_main_~#t1824~0.offset_11| 2)) |v_#memory_int_13|) (= 0 |v_ULTIMATE.start_main_~#t1824~0.offset_11|) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t1824~0.base_13|) (not (= 0 |v_ULTIMATE.start_main_~#t1824~0.base_13|)) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t1824~0.base_13| 4))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_14|, #length=|v_#length_16|} OutVars{ULTIMATE.start_main_~#t1824~0.base=|v_ULTIMATE.start_main_~#t1824~0.base_13|, #StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_~#t1824~0.offset=|v_ULTIMATE.start_main_~#t1824~0.offset_11|, #valid=|v_#valid_33|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_13|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1824~0.base, ULTIMATE.start_main_~#t1824~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length] {2932#(= 0 ~x~0)} is VALID [2020-07-28 21:26:53,203 INFO L280 TraceCheckUtils]: 5: Hoare triple {2932#(= 0 ~x~0)} [167] L770-->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] {2932#(= 0 ~x~0)} is VALID [2020-07-28 21:26:53,204 INFO L280 TraceCheckUtils]: 6: Hoare triple {2932#(= 0 ~x~0)} [201] L770-1-->L2: Formula: (and (= (mod v_~main$tmp_guard0~0_19 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_6|) (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_73))) (or (and .cse0 (= 1 v_~main$tmp_guard0~0_19)) (and (not .cse0) (= 0 v_~main$tmp_guard0~0_19))))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_73} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_6|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_9, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_12|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_73, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_19} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {2932#(= 0 ~x~0)} is VALID [2020-07-28 21:26:53,205 INFO L280 TraceCheckUtils]: 7: Hoare triple {2932#(= 0 ~x~0)} [187] P2ENTRY-->L743: Formula: (and (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4) (= v_~y~0_19 v_~__unbuffered_p2_EAX~0_15)) 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_19} 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_15, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_19} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {2932#(= 0 ~x~0)} is VALID [2020-07-28 21:26:53,206 INFO L280 TraceCheckUtils]: 8: Hoare triple {2932#(= 0 ~x~0)} [158] L743-->L746: Formula: (= v_~y~0_4 2) InVars {} OutVars{~y~0=v_~y~0_4} AuxVars[] AssignedVars[~y~0] {2932#(= 0 ~x~0)} is VALID [2020-07-28 21:26:53,207 INFO L280 TraceCheckUtils]: 9: Hoare triple {2932#(= 0 ~x~0)} [219] L2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= v_ULTIMATE.start___VERIFIER_assert_~expression_17 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_13|) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_28)) (= 1 v_~__unbuffered_p2_EAX~0_32) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_13| (mod v_~main$tmp_guard1~0_31 256)) (= 2 v_~__unbuffered_p0_EAX~0_36) (= 0 v_~main$tmp_guard1~0_31) (= v_ULTIMATE.start_assume_abort_if_not_~cond_28 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (= 2 v_~x~0_42) (= 2 v_~y~0_49)) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_36, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_32, ~y~0=v_~y~0_49, ~x~0=v_~x~0_42} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_36, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_17, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_28, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_31, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_32, ~y~0=v_~y~0_49, ~x~0=v_~x~0_42, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_13|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {2931#false} is VALID [2020-07-28 21:26:53,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 21:26:53,208 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094477568] [2020-07-28 21:26:53,208 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:26:53,208 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-07-28 21:26:53,210 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052528664] [2020-07-28 21:26:53,211 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-07-28 21:26:53,211 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:26:53,211 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 21:26:53,228 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 10 edges. 10 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:26:53,228 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 21:26:53,228 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:26:53,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 21:26:53,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 21:26:53,229 INFO L87 Difference]: Start difference. First operand 202 states and 528 transitions. Second operand 3 states. [2020-07-28 21:26:53,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:26:53,277 INFO L93 Difference]: Finished difference Result 198 states and 514 transitions. [2020-07-28 21:26:53,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 21:26:53,277 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-07-28 21:26:53,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:26:53,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 21:26:53,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 29 transitions. [2020-07-28 21:26:53,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 21:26:53,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 29 transitions. [2020-07-28 21:26:53,282 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 29 transitions. [2020-07-28 21:26:53,328 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 29 edges. 29 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:26:53,333 INFO L225 Difference]: With dead ends: 198 [2020-07-28 21:26:53,333 INFO L226 Difference]: Without dead ends: 198 [2020-07-28 21:26:53,334 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 21:26:53,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2020-07-28 21:26:53,345 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,349 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,351 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,352 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,352 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,352 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,353 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,353 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,353 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,353 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,354 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,354 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,354 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,354 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,355 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,355 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,355 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,355 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,355 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,356 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,356 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,356 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,356 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,356 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,357 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,357 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,357 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,357 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,358 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,358 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,358 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,358 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,359 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,359 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,359 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,360 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,360 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,360 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,361 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,361 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,361 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,362 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,362 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,362 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,363 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,363 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,363 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,363 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,364 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,364 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,364 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,364 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,365 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,365 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,365 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,365 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,366 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,366 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,366 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,366 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,367 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,367 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,367 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,367 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,368 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,368 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,368 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,368 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,368 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,368 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,368 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,369 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,369 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,369 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,369 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,369 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,369 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,369 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,370 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,370 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,370 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,370 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,370 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,370 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,370 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,371 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,371 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,371 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,371 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,371 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,371 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,371 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,372 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,372 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,372 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,372 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,372 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,372 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,373 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,373 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,373 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,373 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,373 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,373 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,373 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,374 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,374 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,374 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,374 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,374 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,374 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,374 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,375 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,375 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,375 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,375 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,375 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,375 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,375 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,376 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,376 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,376 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,376 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,376 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,376 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,376 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,377 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,377 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,377 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,377 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,377 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,377 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,380 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,380 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,380 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,380 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,380 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,381 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,381 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,381 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,381 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,381 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,381 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,381 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,382 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,382 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,382 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,382 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,382 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,382 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,382 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,383 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,383 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,383 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,383 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,383 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,383 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,383 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,384 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,384 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,384 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,386 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,386 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,386 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,386 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,386 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,386 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,386 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,387 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,387 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,387 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,387 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,387 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,388 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,388 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,388 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,388 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,388 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,388 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,389 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,389 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,389 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,389 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,389 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,389 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,389 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,390 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,390 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,390 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,390 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,390 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,391 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,391 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,391 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,391 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,392 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,392 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,392 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2020-07-28 21:26:53,393 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:26:53,393 INFO L82 GeneralOperation]: Start isEquivalent. First operand 198 states. Second operand 198 states. [2020-07-28 21:26:53,393 INFO L74 IsIncluded]: Start isIncluded. First operand 198 states. Second operand 198 states. [2020-07-28 21:26:53,393 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 198 states. [2020-07-28 21:26:53,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:26:53,405 INFO L93 Difference]: Finished difference Result 198 states and 514 transitions. [2020-07-28 21:26:53,405 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 514 transitions. [2020-07-28 21:26:53,406 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:26:53,406 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:26:53,406 INFO L74 IsIncluded]: Start isIncluded. First operand 198 states. Second operand 198 states. [2020-07-28 21:26:53,406 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 198 states. [2020-07-28 21:26:53,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:26:53,418 INFO L93 Difference]: Finished difference Result 198 states and 514 transitions. [2020-07-28 21:26:53,418 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 514 transitions. [2020-07-28 21:26:53,418 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:26:53,419 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:26:53,419 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:26:53,419 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:26:53,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2020-07-28 21:26:53,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 514 transitions. [2020-07-28 21:26:53,433 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 514 transitions. Word has length 10 [2020-07-28 21:26:53,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:26:53,433 INFO L479 AbstractCegarLoop]: Abstraction has 198 states and 514 transitions. [2020-07-28 21:26:53,433 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 21:26:53,433 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 514 transitions. [2020-07-28 21:26:53,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-07-28 21:26:53,434 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:26:53,434 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:26:53,434 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 21:26:53,434 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:26:53,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:26:53,435 INFO L82 PathProgramCache]: Analyzing trace with hash 178653510, now seen corresponding path program 1 times [2020-07-28 21:26:53,435 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:26:53,435 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134792518] [2020-07-28 21:26:53,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:26:53,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:26:53,480 INFO L280 TraceCheckUtils]: 0: Hoare triple {3925#true} [220] ULTIMATE.startENTRY-->L766: Formula: (let ((.cse0 (store |v_#valid_53| 0 0))) (and (= 0 |v_#NULL.base_5|) (= 0 v_~y~0_50) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1822~0.base_16|)) (= |v_#length_21| (store |v_#length_22| |v_ULTIMATE.start_main_~#t1822~0.base_16| 4)) (= |v_ULTIMATE.start_main_~#t1822~0.offset_13| 0) (= (store .cse0 |v_ULTIMATE.start_main_~#t1822~0.base_16| 1) |v_#valid_51|) (= 0 v_~main$tmp_guard0~0_32) (= v_~__unbuffered_cnt~0_118 0) (= 0 v_~__unbuffered_p2_EAX~0_33) (= 0 |v_#NULL.offset_5|) (= 0 v_~__unbuffered_p0_EAX~0_37) (= 0 v_~x~0_43) (< 0 |v_#StackHeapBarrier_15|) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t1822~0.base_16|) (= 0 v_~main$tmp_guard1~0_32) (= |v_#memory_int_19| (store |v_#memory_int_20| |v_ULTIMATE.start_main_~#t1822~0.base_16| (store (select |v_#memory_int_20| |v_ULTIMATE.start_main_~#t1822~0.base_16|) |v_ULTIMATE.start_main_~#t1822~0.offset_13| 0))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_53|, #memory_int=|v_#memory_int_20|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_~#t1824~0.base=|v_ULTIMATE.start_main_~#t1824~0.base_17|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_24|, ULTIMATE.start_main_~#t1824~0.offset=|v_ULTIMATE.start_main_~#t1824~0.offset_14|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, ULTIMATE.start_main_~#t1822~0.offset=|v_ULTIMATE.start_main_~#t1822~0.offset_13|, #NULL.offset=|v_#NULL.offset_5|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_32, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_32, #NULL.base=|v_#NULL.base_5|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_37, ULTIMATE.start_main_~#t1823~0.base=|v_ULTIMATE.start_main_~#t1823~0.base_16|, ULTIMATE.start_main_~#t1823~0.offset=|v_ULTIMATE.start_main_~#t1823~0.offset_13|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_13|, #valid=|v_#valid_51|, #memory_int=|v_#memory_int_19|, ULTIMATE.start_main_~#t1822~0.base=|v_ULTIMATE.start_main_~#t1822~0.base_16|, #length=|v_#length_21|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_33, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_118, ~y~0=v_~y~0_50, ~x~0=v_~x~0_43} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1824~0.base, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t1824~0.offset, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~#t1822~0.offset, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t1823~0.base, ULTIMATE.start_main_~#t1823~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, ULTIMATE.start_main_~#t1822~0.base, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~y~0, ~x~0] {3927#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:26:53,481 INFO L280 TraceCheckUtils]: 1: Hoare triple {3927#(= 0 ~__unbuffered_p0_EAX~0)} [163] L766-->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] {3927#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:26:53,482 INFO L280 TraceCheckUtils]: 2: Hoare triple {3927#(= 0 ~__unbuffered_p0_EAX~0)} [206] L766-1-->L768: Formula: (and (= 0 (select |v_#valid_36| |v_ULTIMATE.start_main_~#t1823~0.base_11|)) (= (store |v_#memory_int_16| |v_ULTIMATE.start_main_~#t1823~0.base_11| (store (select |v_#memory_int_16| |v_ULTIMATE.start_main_~#t1823~0.base_11|) |v_ULTIMATE.start_main_~#t1823~0.offset_10| 1)) |v_#memory_int_15|) (= (store |v_#valid_36| |v_ULTIMATE.start_main_~#t1823~0.base_11| 1) |v_#valid_35|) (not (= 0 |v_ULTIMATE.start_main_~#t1823~0.base_11|)) (= |v_#length_17| (store |v_#length_18| |v_ULTIMATE.start_main_~#t1823~0.base_11| 4)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t1823~0.base_11|) (= 0 |v_ULTIMATE.start_main_~#t1823~0.offset_10|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_16|, #length=|v_#length_18|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t1823~0.base=|v_ULTIMATE.start_main_~#t1823~0.base_11|, ULTIMATE.start_main_~#t1823~0.offset=|v_ULTIMATE.start_main_~#t1823~0.offset_10|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_35|, #memory_int=|v_#memory_int_15|, #length=|v_#length_17|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1823~0.base, ULTIMATE.start_main_~#t1823~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {3927#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:26:53,483 INFO L280 TraceCheckUtils]: 3: Hoare triple {3927#(= 0 ~__unbuffered_p0_EAX~0)} [165] L768-->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] {3927#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:26:53,483 INFO L280 TraceCheckUtils]: 4: Hoare triple {3927#(= 0 ~__unbuffered_p0_EAX~0)} [188] P1ENTRY-->L728: Formula: (and (= 2 v_~x~0_18) (= |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_18} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_~arg.base, ~x~0] {3927#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:26:53,484 INFO L280 TraceCheckUtils]: 5: Hoare triple {3927#(= 0 ~__unbuffered_p0_EAX~0)} [205] L768-1-->L770: Formula: (and (= 0 (select |v_#valid_34| |v_ULTIMATE.start_main_~#t1824~0.base_13|)) (= (store |v_#valid_34| |v_ULTIMATE.start_main_~#t1824~0.base_13| 1) |v_#valid_33|) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1824~0.base_13| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1824~0.base_13|) |v_ULTIMATE.start_main_~#t1824~0.offset_11| 2)) |v_#memory_int_13|) (= 0 |v_ULTIMATE.start_main_~#t1824~0.offset_11|) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t1824~0.base_13|) (not (= 0 |v_ULTIMATE.start_main_~#t1824~0.base_13|)) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t1824~0.base_13| 4))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_14|, #length=|v_#length_16|} OutVars{ULTIMATE.start_main_~#t1824~0.base=|v_ULTIMATE.start_main_~#t1824~0.base_13|, #StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_~#t1824~0.offset=|v_ULTIMATE.start_main_~#t1824~0.offset_11|, #valid=|v_#valid_33|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_13|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1824~0.base, ULTIMATE.start_main_~#t1824~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length] {3927#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:26:53,485 INFO L280 TraceCheckUtils]: 6: Hoare triple {3927#(= 0 ~__unbuffered_p0_EAX~0)} [167] L770-->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] {3927#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:26:53,485 INFO L280 TraceCheckUtils]: 7: Hoare triple {3927#(= 0 ~__unbuffered_p0_EAX~0)} [201] L770-1-->L2: Formula: (and (= (mod v_~main$tmp_guard0~0_19 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_6|) (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_73))) (or (and .cse0 (= 1 v_~main$tmp_guard0~0_19)) (and (not .cse0) (= 0 v_~main$tmp_guard0~0_19))))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_73} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_6|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_9, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_12|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_73, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_19} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {3927#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:26:53,486 INFO L280 TraceCheckUtils]: 8: Hoare triple {3927#(= 0 ~__unbuffered_p0_EAX~0)} [187] P2ENTRY-->L743: Formula: (and (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4) (= v_~y~0_19 v_~__unbuffered_p2_EAX~0_15)) InVars {P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_19} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_4, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_4, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_15, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_19} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {3927#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:26:53,487 INFO L280 TraceCheckUtils]: 9: Hoare triple {3927#(= 0 ~__unbuffered_p0_EAX~0)} [158] L743-->L746: Formula: (= v_~y~0_4 2) InVars {} OutVars{~y~0=v_~y~0_4} AuxVars[] AssignedVars[~y~0] {3927#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:26:53,488 INFO L280 TraceCheckUtils]: 10: Hoare triple {3927#(= 0 ~__unbuffered_p0_EAX~0)} [219] L2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= v_ULTIMATE.start___VERIFIER_assert_~expression_17 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_13|) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_28)) (= 1 v_~__unbuffered_p2_EAX~0_32) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_13| (mod v_~main$tmp_guard1~0_31 256)) (= 2 v_~__unbuffered_p0_EAX~0_36) (= 0 v_~main$tmp_guard1~0_31) (= v_ULTIMATE.start_assume_abort_if_not_~cond_28 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (= 2 v_~x~0_42) (= 2 v_~y~0_49)) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_36, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_32, ~y~0=v_~y~0_49, ~x~0=v_~x~0_42} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_36, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_17, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_28, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_31, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_32, ~y~0=v_~y~0_49, ~x~0=v_~x~0_42, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_13|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {3926#false} is VALID [2020-07-28 21:26:53,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 21:26:53,489 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134792518] [2020-07-28 21:26:53,489 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:26:53,489 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-07-28 21:26:53,489 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068786012] [2020-07-28 21:26:53,490 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-07-28 21:26:53,490 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:26:53,490 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 21:26:53,505 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:26:53,505 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 21:26:53,505 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:26:53,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 21:26:53,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 21:26:53,506 INFO L87 Difference]: Start difference. First operand 198 states and 514 transitions. Second operand 3 states. [2020-07-28 21:26:53,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:26:53,544 INFO L93 Difference]: Finished difference Result 192 states and 495 transitions. [2020-07-28 21:26:53,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 21:26:53,544 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-07-28 21:26:53,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:26:53,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 21:26:53,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 29 transitions. [2020-07-28 21:26:53,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 21:26:53,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 29 transitions. [2020-07-28 21:26:53,546 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 29 transitions. [2020-07-28 21:26:53,579 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 29 edges. 29 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:26:53,583 INFO L225 Difference]: With dead ends: 192 [2020-07-28 21:26:53,583 INFO L226 Difference]: Without dead ends: 192 [2020-07-28 21:26:53,584 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 21:26:53,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2020-07-28 21:26:53,588 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,589 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,589 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,589 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,589 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,589 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,590 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,590 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,590 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,590 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,590 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,590 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,591 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,591 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,591 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,591 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,591 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,592 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,592 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,592 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,592 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,592 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,592 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,593 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,593 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,593 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,593 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,593 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,594 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,594 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,594 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,594 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,594 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,595 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,595 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,595 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,595 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,595 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,595 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,596 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,596 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,596 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,596 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,596 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,597 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,597 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,597 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,597 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,597 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,597 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,598 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,598 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,598 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,598 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,598 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,599 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,599 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,599 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,599 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,599 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,599 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,600 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,600 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,600 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,600 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,600 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,601 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,601 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,601 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,601 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,601 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,601 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,602 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,602 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,602 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,602 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,602 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,603 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,603 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,603 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,603 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,603 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,603 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,604 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,604 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,604 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,604 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,604 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,605 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,605 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,605 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,605 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,605 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,605 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,606 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,606 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,606 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,606 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,606 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,607 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,607 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,607 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,607 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,607 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,607 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,608 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,608 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,608 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,608 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,608 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,609 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,609 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,609 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,609 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,609 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,610 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,610 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,610 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,610 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,610 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,611 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,611 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,611 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,611 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,611 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,611 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,612 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,612 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,612 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,612 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,612 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,613 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,613 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,613 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,613 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,613 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,614 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,614 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,614 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,614 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,614 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,615 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,615 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,615 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,615 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,615 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,616 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,616 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,616 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,616 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,616 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,617 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,617 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,617 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,617 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,617 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,618 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,618 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,618 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,618 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,618 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,619 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,619 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,619 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,619 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,619 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,620 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,620 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,620 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,620 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,620 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,620 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,621 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,621 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,621 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,621 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,621 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,622 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,622 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,622 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,622 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,622 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,623 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,623 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,623 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,623 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,623 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,624 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,624 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,624 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,624 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,624 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2020-07-28 21:26:53,625 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:26:53,625 INFO L82 GeneralOperation]: Start isEquivalent. First operand 192 states. Second operand 192 states. [2020-07-28 21:26:53,625 INFO L74 IsIncluded]: Start isIncluded. First operand 192 states. Second operand 192 states. [2020-07-28 21:26:53,625 INFO L87 Difference]: Start difference. First operand 192 states. Second operand 192 states. [2020-07-28 21:26:53,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:26:53,635 INFO L93 Difference]: Finished difference Result 192 states and 495 transitions. [2020-07-28 21:26:53,635 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 495 transitions. [2020-07-28 21:26:53,636 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:26:53,636 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:26:53,636 INFO L74 IsIncluded]: Start isIncluded. First operand 192 states. Second operand 192 states. [2020-07-28 21:26:53,636 INFO L87 Difference]: Start difference. First operand 192 states. Second operand 192 states. [2020-07-28 21:26:53,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:26:53,647 INFO L93 Difference]: Finished difference Result 192 states and 495 transitions. [2020-07-28 21:26:53,647 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 495 transitions. [2020-07-28 21:26:53,647 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:26:53,648 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:26:53,648 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:26:53,648 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:26:53,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2020-07-28 21:26:53,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 495 transitions. [2020-07-28 21:26:53,656 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 495 transitions. Word has length 11 [2020-07-28 21:26:53,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:26:53,656 INFO L479 AbstractCegarLoop]: Abstraction has 192 states and 495 transitions. [2020-07-28 21:26:53,657 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 21:26:53,657 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 495 transitions. [2020-07-28 21:26:53,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-28 21:26:53,657 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:26:53,657 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:26:53,658 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 21:26:53,658 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:26:53,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:26:53,658 INFO L82 PathProgramCache]: Analyzing trace with hash 707253593, now seen corresponding path program 1 times [2020-07-28 21:26:53,658 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:26:53,659 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858966870] [2020-07-28 21:26:53,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:26:53,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:26:53,725 INFO L280 TraceCheckUtils]: 0: Hoare triple {4890#true} [220] ULTIMATE.startENTRY-->L766: Formula: (let ((.cse0 (store |v_#valid_53| 0 0))) (and (= 0 |v_#NULL.base_5|) (= 0 v_~y~0_50) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1822~0.base_16|)) (= |v_#length_21| (store |v_#length_22| |v_ULTIMATE.start_main_~#t1822~0.base_16| 4)) (= |v_ULTIMATE.start_main_~#t1822~0.offset_13| 0) (= (store .cse0 |v_ULTIMATE.start_main_~#t1822~0.base_16| 1) |v_#valid_51|) (= 0 v_~main$tmp_guard0~0_32) (= v_~__unbuffered_cnt~0_118 0) (= 0 v_~__unbuffered_p2_EAX~0_33) (= 0 |v_#NULL.offset_5|) (= 0 v_~__unbuffered_p0_EAX~0_37) (= 0 v_~x~0_43) (< 0 |v_#StackHeapBarrier_15|) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t1822~0.base_16|) (= 0 v_~main$tmp_guard1~0_32) (= |v_#memory_int_19| (store |v_#memory_int_20| |v_ULTIMATE.start_main_~#t1822~0.base_16| (store (select |v_#memory_int_20| |v_ULTIMATE.start_main_~#t1822~0.base_16|) |v_ULTIMATE.start_main_~#t1822~0.offset_13| 0))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_53|, #memory_int=|v_#memory_int_20|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_~#t1824~0.base=|v_ULTIMATE.start_main_~#t1824~0.base_17|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_24|, ULTIMATE.start_main_~#t1824~0.offset=|v_ULTIMATE.start_main_~#t1824~0.offset_14|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, ULTIMATE.start_main_~#t1822~0.offset=|v_ULTIMATE.start_main_~#t1822~0.offset_13|, #NULL.offset=|v_#NULL.offset_5|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_32, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_32, #NULL.base=|v_#NULL.base_5|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_37, ULTIMATE.start_main_~#t1823~0.base=|v_ULTIMATE.start_main_~#t1823~0.base_16|, ULTIMATE.start_main_~#t1823~0.offset=|v_ULTIMATE.start_main_~#t1823~0.offset_13|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_13|, #valid=|v_#valid_51|, #memory_int=|v_#memory_int_19|, ULTIMATE.start_main_~#t1822~0.base=|v_ULTIMATE.start_main_~#t1822~0.base_16|, #length=|v_#length_21|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_33, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_118, ~y~0=v_~y~0_50, ~x~0=v_~x~0_43} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1824~0.base, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t1824~0.offset, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~#t1822~0.offset, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t1823~0.base, ULTIMATE.start_main_~#t1823~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, ULTIMATE.start_main_~#t1822~0.base, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~y~0, ~x~0] {4890#true} is VALID [2020-07-28 21:26:53,725 INFO L280 TraceCheckUtils]: 1: Hoare triple {4890#true} [163] L766-->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] {4890#true} is VALID [2020-07-28 21:26:53,726 INFO L280 TraceCheckUtils]: 2: Hoare triple {4890#true} [193] P0ENTRY-->L713: Formula: (and (= v_~y~0_20 v_~__unbuffered_p0_EAX~0_16) (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= v_P0Thread1of1ForFork0_~arg.base_4 |v_P0Thread1of1ForFork0_#in~arg.base_4|)) InVars {P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~y~0=v_~y~0_20} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_16, 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_20, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_4, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_4} AuxVars[] AssignedVars[~__unbuffered_p0_EAX~0, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {4890#true} is VALID [2020-07-28 21:26:53,727 INFO L280 TraceCheckUtils]: 3: Hoare triple {4890#true} [146] L713-->L716: Formula: (= v_~x~0_1 1) InVars {} OutVars{~x~0=v_~x~0_1} AuxVars[] AssignedVars[~x~0] {4892#(= 1 ~x~0)} is VALID [2020-07-28 21:26:53,728 INFO L280 TraceCheckUtils]: 4: Hoare triple {4892#(= 1 ~x~0)} [206] L766-1-->L768: Formula: (and (= 0 (select |v_#valid_36| |v_ULTIMATE.start_main_~#t1823~0.base_11|)) (= (store |v_#memory_int_16| |v_ULTIMATE.start_main_~#t1823~0.base_11| (store (select |v_#memory_int_16| |v_ULTIMATE.start_main_~#t1823~0.base_11|) |v_ULTIMATE.start_main_~#t1823~0.offset_10| 1)) |v_#memory_int_15|) (= (store |v_#valid_36| |v_ULTIMATE.start_main_~#t1823~0.base_11| 1) |v_#valid_35|) (not (= 0 |v_ULTIMATE.start_main_~#t1823~0.base_11|)) (= |v_#length_17| (store |v_#length_18| |v_ULTIMATE.start_main_~#t1823~0.base_11| 4)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t1823~0.base_11|) (= 0 |v_ULTIMATE.start_main_~#t1823~0.offset_10|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_16|, #length=|v_#length_18|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t1823~0.base=|v_ULTIMATE.start_main_~#t1823~0.base_11|, ULTIMATE.start_main_~#t1823~0.offset=|v_ULTIMATE.start_main_~#t1823~0.offset_10|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_35|, #memory_int=|v_#memory_int_15|, #length=|v_#length_17|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1823~0.base, ULTIMATE.start_main_~#t1823~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {4892#(= 1 ~x~0)} is VALID [2020-07-28 21:26:53,728 INFO L280 TraceCheckUtils]: 5: Hoare triple {4892#(= 1 ~x~0)} [165] L768-->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] {4892#(= 1 ~x~0)} is VALID [2020-07-28 21:26:53,729 INFO L280 TraceCheckUtils]: 6: Hoare triple {4892#(= 1 ~x~0)} [205] L768-1-->L770: Formula: (and (= 0 (select |v_#valid_34| |v_ULTIMATE.start_main_~#t1824~0.base_13|)) (= (store |v_#valid_34| |v_ULTIMATE.start_main_~#t1824~0.base_13| 1) |v_#valid_33|) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1824~0.base_13| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1824~0.base_13|) |v_ULTIMATE.start_main_~#t1824~0.offset_11| 2)) |v_#memory_int_13|) (= 0 |v_ULTIMATE.start_main_~#t1824~0.offset_11|) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t1824~0.base_13|) (not (= 0 |v_ULTIMATE.start_main_~#t1824~0.base_13|)) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t1824~0.base_13| 4))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_14|, #length=|v_#length_16|} OutVars{ULTIMATE.start_main_~#t1824~0.base=|v_ULTIMATE.start_main_~#t1824~0.base_13|, #StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_~#t1824~0.offset=|v_ULTIMATE.start_main_~#t1824~0.offset_11|, #valid=|v_#valid_33|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_13|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1824~0.base, ULTIMATE.start_main_~#t1824~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length] {4892#(= 1 ~x~0)} is VALID [2020-07-28 21:26:53,730 INFO L280 TraceCheckUtils]: 7: Hoare triple {4892#(= 1 ~x~0)} [167] L770-->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] {4892#(= 1 ~x~0)} is VALID [2020-07-28 21:26:53,730 INFO L280 TraceCheckUtils]: 8: Hoare triple {4892#(= 1 ~x~0)} [201] L770-1-->L2: Formula: (and (= (mod v_~main$tmp_guard0~0_19 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_6|) (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_73))) (or (and .cse0 (= 1 v_~main$tmp_guard0~0_19)) (and (not .cse0) (= 0 v_~main$tmp_guard0~0_19))))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_73} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_6|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_9, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_12|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_73, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_19} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {4892#(= 1 ~x~0)} is VALID [2020-07-28 21:26:53,731 INFO L280 TraceCheckUtils]: 9: Hoare triple {4892#(= 1 ~x~0)} [187] P2ENTRY-->L743: Formula: (and (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4) (= v_~y~0_19 v_~__unbuffered_p2_EAX~0_15)) 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_19} 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_15, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_19} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {4892#(= 1 ~x~0)} is VALID [2020-07-28 21:26:53,732 INFO L280 TraceCheckUtils]: 10: Hoare triple {4892#(= 1 ~x~0)} [158] L743-->L746: Formula: (= v_~y~0_4 2) InVars {} OutVars{~y~0=v_~y~0_4} AuxVars[] AssignedVars[~y~0] {4892#(= 1 ~x~0)} is VALID [2020-07-28 21:26:53,733 INFO L280 TraceCheckUtils]: 11: Hoare triple {4892#(= 1 ~x~0)} [219] L2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= v_ULTIMATE.start___VERIFIER_assert_~expression_17 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_13|) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_28)) (= 1 v_~__unbuffered_p2_EAX~0_32) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_13| (mod v_~main$tmp_guard1~0_31 256)) (= 2 v_~__unbuffered_p0_EAX~0_36) (= 0 v_~main$tmp_guard1~0_31) (= v_ULTIMATE.start_assume_abort_if_not_~cond_28 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (= 2 v_~x~0_42) (= 2 v_~y~0_49)) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_36, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_32, ~y~0=v_~y~0_49, ~x~0=v_~x~0_42} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_36, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_17, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_28, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_31, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_32, ~y~0=v_~y~0_49, ~x~0=v_~x~0_42, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_13|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {4891#false} is VALID [2020-07-28 21:26:53,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 21:26:53,734 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858966870] [2020-07-28 21:26:53,734 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:26:53,734 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 21:26:53,734 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067380520] [2020-07-28 21:26:53,735 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-07-28 21:26:53,735 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:26:53,735 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 21:26:53,754 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:26:53,754 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 21:26:53,754 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:26:53,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 21:26:53,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 21:26:53,755 INFO L87 Difference]: Start difference. First operand 192 states and 495 transitions. Second operand 3 states. [2020-07-28 21:26:53,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:26:53,811 INFO L93 Difference]: Finished difference Result 260 states and 637 transitions. [2020-07-28 21:26:53,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 21:26:53,812 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-07-28 21:26:53,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:26:53,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 21:26:53,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 30 transitions. [2020-07-28 21:26:53,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 21:26:53,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 30 transitions. [2020-07-28 21:26:53,813 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 30 transitions. [2020-07-28 21:26:53,858 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:26:53,866 INFO L225 Difference]: With dead ends: 260 [2020-07-28 21:26:53,866 INFO L226 Difference]: Without dead ends: 200 [2020-07-28 21:26:53,867 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 21:26:53,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2020-07-28 21:26:53,872 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,873 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,873 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,873 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,873 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,874 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,874 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,874 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,875 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,875 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,875 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,876 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,876 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,876 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,876 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,877 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,877 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,877 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,878 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,878 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,878 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,879 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,879 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,879 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,880 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,880 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,880 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,881 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,881 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,881 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,881 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,882 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,882 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,882 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,883 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,883 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,883 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,883 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,884 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,884 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,884 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,885 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,885 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,885 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,886 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,886 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,886 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,886 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,887 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,887 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,887 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,888 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,888 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,888 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,889 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,889 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,889 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,890 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,890 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,890 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,891 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,891 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,891 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,892 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,892 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,892 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,892 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,893 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,893 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,893 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,894 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,894 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,894 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,895 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,895 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,895 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,896 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,896 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,896 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,896 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,897 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,897 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,897 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,898 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,898 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,898 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,899 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,899 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,899 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,899 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,900 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,900 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,900 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,901 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,901 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,901 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,902 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,902 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,902 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,903 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,903 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,903 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,903 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,904 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,904 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,904 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,905 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,905 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,906 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,906 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,906 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,907 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,907 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,907 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,908 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,908 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,908 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,908 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,909 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,909 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,909 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,910 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,910 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,910 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,911 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,911 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,911 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,911 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,912 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,912 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,912 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,913 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,913 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,913 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,914 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,914 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,914 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,915 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,915 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,915 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,915 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,916 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,916 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,916 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,917 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,917 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,917 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,918 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,918 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,918 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,918 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,919 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,919 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,919 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,920 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,920 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,920 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,921 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,921 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,921 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,922 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,922 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,923 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,924 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,924 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,924 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,925 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,925 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,925 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,926 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,926 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,926 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,927 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,927 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,927 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,928 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,928 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,928 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,929 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,929 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,929 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,930 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,930 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,930 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,931 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,931 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,931 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,932 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:53,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 188. [2020-07-28 21:26:53,933 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:26:53,933 INFO L82 GeneralOperation]: Start isEquivalent. First operand 200 states. Second operand 188 states. [2020-07-28 21:26:53,933 INFO L74 IsIncluded]: Start isIncluded. First operand 200 states. Second operand 188 states. [2020-07-28 21:26:53,933 INFO L87 Difference]: Start difference. First operand 200 states. Second operand 188 states. [2020-07-28 21:26:53,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:26:53,942 INFO L93 Difference]: Finished difference Result 200 states and 473 transitions. [2020-07-28 21:26:53,942 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 473 transitions. [2020-07-28 21:26:53,943 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:26:53,943 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:26:53,944 INFO L74 IsIncluded]: Start isIncluded. First operand 188 states. Second operand 200 states. [2020-07-28 21:26:53,944 INFO L87 Difference]: Start difference. First operand 188 states. Second operand 200 states. [2020-07-28 21:26:53,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:26:53,952 INFO L93 Difference]: Finished difference Result 200 states and 473 transitions. [2020-07-28 21:26:53,953 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 473 transitions. [2020-07-28 21:26:53,953 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:26:53,954 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:26:53,954 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:26:53,954 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:26:53,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2020-07-28 21:26:53,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 453 transitions. [2020-07-28 21:26:53,961 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 453 transitions. Word has length 12 [2020-07-28 21:26:53,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:26:53,962 INFO L479 AbstractCegarLoop]: Abstraction has 188 states and 453 transitions. [2020-07-28 21:26:53,962 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 21:26:53,962 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 453 transitions. [2020-07-28 21:26:53,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-28 21:26:53,963 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:26:53,963 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:26:53,964 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 21:26:53,964 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:26:53,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:26:53,965 INFO L82 PathProgramCache]: Analyzing trace with hash 131136693, now seen corresponding path program 1 times [2020-07-28 21:26:53,966 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:26:53,966 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488507217] [2020-07-28 21:26:53,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:26:54,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:26:54,077 INFO L280 TraceCheckUtils]: 0: Hoare triple {5931#true} [220] ULTIMATE.startENTRY-->L766: Formula: (let ((.cse0 (store |v_#valid_53| 0 0))) (and (= 0 |v_#NULL.base_5|) (= 0 v_~y~0_50) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1822~0.base_16|)) (= |v_#length_21| (store |v_#length_22| |v_ULTIMATE.start_main_~#t1822~0.base_16| 4)) (= |v_ULTIMATE.start_main_~#t1822~0.offset_13| 0) (= (store .cse0 |v_ULTIMATE.start_main_~#t1822~0.base_16| 1) |v_#valid_51|) (= 0 v_~main$tmp_guard0~0_32) (= v_~__unbuffered_cnt~0_118 0) (= 0 v_~__unbuffered_p2_EAX~0_33) (= 0 |v_#NULL.offset_5|) (= 0 v_~__unbuffered_p0_EAX~0_37) (= 0 v_~x~0_43) (< 0 |v_#StackHeapBarrier_15|) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t1822~0.base_16|) (= 0 v_~main$tmp_guard1~0_32) (= |v_#memory_int_19| (store |v_#memory_int_20| |v_ULTIMATE.start_main_~#t1822~0.base_16| (store (select |v_#memory_int_20| |v_ULTIMATE.start_main_~#t1822~0.base_16|) |v_ULTIMATE.start_main_~#t1822~0.offset_13| 0))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_53|, #memory_int=|v_#memory_int_20|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_~#t1824~0.base=|v_ULTIMATE.start_main_~#t1824~0.base_17|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_24|, ULTIMATE.start_main_~#t1824~0.offset=|v_ULTIMATE.start_main_~#t1824~0.offset_14|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, ULTIMATE.start_main_~#t1822~0.offset=|v_ULTIMATE.start_main_~#t1822~0.offset_13|, #NULL.offset=|v_#NULL.offset_5|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_32, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_32, #NULL.base=|v_#NULL.base_5|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_37, ULTIMATE.start_main_~#t1823~0.base=|v_ULTIMATE.start_main_~#t1823~0.base_16|, ULTIMATE.start_main_~#t1823~0.offset=|v_ULTIMATE.start_main_~#t1823~0.offset_13|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_13|, #valid=|v_#valid_51|, #memory_int=|v_#memory_int_19|, ULTIMATE.start_main_~#t1822~0.base=|v_ULTIMATE.start_main_~#t1822~0.base_16|, #length=|v_#length_21|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_33, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_118, ~y~0=v_~y~0_50, ~x~0=v_~x~0_43} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1824~0.base, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t1824~0.offset, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~#t1822~0.offset, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t1823~0.base, ULTIMATE.start_main_~#t1823~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, ULTIMATE.start_main_~#t1822~0.base, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~y~0, ~x~0] {5933#(= 0 ~y~0)} is VALID [2020-07-28 21:26:54,082 INFO L280 TraceCheckUtils]: 1: Hoare triple {5933#(= 0 ~y~0)} [163] L766-->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] {5933#(= 0 ~y~0)} is VALID [2020-07-28 21:26:54,083 INFO L280 TraceCheckUtils]: 2: Hoare triple {5933#(= 0 ~y~0)} [193] P0ENTRY-->L713: Formula: (and (= v_~y~0_20 v_~__unbuffered_p0_EAX~0_16) (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= v_P0Thread1of1ForFork0_~arg.base_4 |v_P0Thread1of1ForFork0_#in~arg.base_4|)) InVars {P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~y~0=v_~y~0_20} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_16, 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_20, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_4, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_4} AuxVars[] AssignedVars[~__unbuffered_p0_EAX~0, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {5934#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:26:54,087 INFO L280 TraceCheckUtils]: 3: Hoare triple {5934#(= 0 ~__unbuffered_p0_EAX~0)} [206] L766-1-->L768: Formula: (and (= 0 (select |v_#valid_36| |v_ULTIMATE.start_main_~#t1823~0.base_11|)) (= (store |v_#memory_int_16| |v_ULTIMATE.start_main_~#t1823~0.base_11| (store (select |v_#memory_int_16| |v_ULTIMATE.start_main_~#t1823~0.base_11|) |v_ULTIMATE.start_main_~#t1823~0.offset_10| 1)) |v_#memory_int_15|) (= (store |v_#valid_36| |v_ULTIMATE.start_main_~#t1823~0.base_11| 1) |v_#valid_35|) (not (= 0 |v_ULTIMATE.start_main_~#t1823~0.base_11|)) (= |v_#length_17| (store |v_#length_18| |v_ULTIMATE.start_main_~#t1823~0.base_11| 4)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t1823~0.base_11|) (= 0 |v_ULTIMATE.start_main_~#t1823~0.offset_10|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_16|, #length=|v_#length_18|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t1823~0.base=|v_ULTIMATE.start_main_~#t1823~0.base_11|, ULTIMATE.start_main_~#t1823~0.offset=|v_ULTIMATE.start_main_~#t1823~0.offset_10|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_35|, #memory_int=|v_#memory_int_15|, #length=|v_#length_17|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1823~0.base, ULTIMATE.start_main_~#t1823~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {5934#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:26:54,088 INFO L280 TraceCheckUtils]: 4: Hoare triple {5934#(= 0 ~__unbuffered_p0_EAX~0)} [165] L768-->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] {5934#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:26:54,089 INFO L280 TraceCheckUtils]: 5: Hoare triple {5934#(= 0 ~__unbuffered_p0_EAX~0)} [188] P1ENTRY-->L728: Formula: (and (= 2 v_~x~0_18) (= |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_18} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_~arg.base, ~x~0] {5934#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:26:54,089 INFO L280 TraceCheckUtils]: 6: Hoare triple {5934#(= 0 ~__unbuffered_p0_EAX~0)} [205] L768-1-->L770: Formula: (and (= 0 (select |v_#valid_34| |v_ULTIMATE.start_main_~#t1824~0.base_13|)) (= (store |v_#valid_34| |v_ULTIMATE.start_main_~#t1824~0.base_13| 1) |v_#valid_33|) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1824~0.base_13| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1824~0.base_13|) |v_ULTIMATE.start_main_~#t1824~0.offset_11| 2)) |v_#memory_int_13|) (= 0 |v_ULTIMATE.start_main_~#t1824~0.offset_11|) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t1824~0.base_13|) (not (= 0 |v_ULTIMATE.start_main_~#t1824~0.base_13|)) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t1824~0.base_13| 4))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_14|, #length=|v_#length_16|} OutVars{ULTIMATE.start_main_~#t1824~0.base=|v_ULTIMATE.start_main_~#t1824~0.base_13|, #StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_~#t1824~0.offset=|v_ULTIMATE.start_main_~#t1824~0.offset_11|, #valid=|v_#valid_33|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_13|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1824~0.base, ULTIMATE.start_main_~#t1824~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length] {5934#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:26:54,092 INFO L280 TraceCheckUtils]: 7: Hoare triple {5934#(= 0 ~__unbuffered_p0_EAX~0)} [167] L770-->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] {5934#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:26:54,093 INFO L280 TraceCheckUtils]: 8: Hoare triple {5934#(= 0 ~__unbuffered_p0_EAX~0)} [201] L770-1-->L2: Formula: (and (= (mod v_~main$tmp_guard0~0_19 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_6|) (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_73))) (or (and .cse0 (= 1 v_~main$tmp_guard0~0_19)) (and (not .cse0) (= 0 v_~main$tmp_guard0~0_19))))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_73} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_6|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_9, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_12|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_73, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_19} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {5934#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:26:54,093 INFO L280 TraceCheckUtils]: 9: Hoare triple {5934#(= 0 ~__unbuffered_p0_EAX~0)} [187] P2ENTRY-->L743: Formula: (and (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4) (= v_~y~0_19 v_~__unbuffered_p2_EAX~0_15)) InVars {P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_19} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_4, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_4, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_15, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_19} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {5934#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:26:54,095 INFO L280 TraceCheckUtils]: 10: Hoare triple {5934#(= 0 ~__unbuffered_p0_EAX~0)} [158] L743-->L746: Formula: (= v_~y~0_4 2) InVars {} OutVars{~y~0=v_~y~0_4} AuxVars[] AssignedVars[~y~0] {5934#(= 0 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:26:54,096 INFO L280 TraceCheckUtils]: 11: Hoare triple {5934#(= 0 ~__unbuffered_p0_EAX~0)} [219] L2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= v_ULTIMATE.start___VERIFIER_assert_~expression_17 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_13|) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_28)) (= 1 v_~__unbuffered_p2_EAX~0_32) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_13| (mod v_~main$tmp_guard1~0_31 256)) (= 2 v_~__unbuffered_p0_EAX~0_36) (= 0 v_~main$tmp_guard1~0_31) (= v_ULTIMATE.start_assume_abort_if_not_~cond_28 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (= 2 v_~x~0_42) (= 2 v_~y~0_49)) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_36, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_32, ~y~0=v_~y~0_49, ~x~0=v_~x~0_42} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_36, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_17, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_28, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_31, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_32, ~y~0=v_~y~0_49, ~x~0=v_~x~0_42, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_13|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {5932#false} is VALID [2020-07-28 21:26:54,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 21:26:54,097 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488507217] [2020-07-28 21:26:54,097 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:26:54,098 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 21:26:54,098 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133275255] [2020-07-28 21:26:54,098 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-07-28 21:26:54,098 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:26:54,099 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 21:26:54,123 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:26:54,123 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 21:26:54,123 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:26:54,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 21:26:54,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 21:26:54,124 INFO L87 Difference]: Start difference. First operand 188 states and 453 transitions. Second operand 4 states. [2020-07-28 21:26:54,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:26:54,206 INFO L93 Difference]: Finished difference Result 232 states and 527 transitions. [2020-07-28 21:26:54,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-28 21:26:54,207 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-07-28 21:26:54,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:26:54,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:26:54,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 38 transitions. [2020-07-28 21:26:54,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:26:54,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 38 transitions. [2020-07-28 21:26:54,210 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 38 transitions. [2020-07-28 21:26:54,258 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:26:54,260 INFO L225 Difference]: With dead ends: 232 [2020-07-28 21:26:54,261 INFO L226 Difference]: Without dead ends: 106 [2020-07-28 21:26:54,261 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-28 21:26:54,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2020-07-28 21:26:54,263 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,264 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,264 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,264 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,264 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,264 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,265 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,265 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,265 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,265 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,284 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,284 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,285 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,285 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,285 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,285 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,286 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,286 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,286 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,286 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,287 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,287 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,287 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,287 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,288 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,288 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,288 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,289 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,289 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,289 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,289 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,290 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,290 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,290 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,290 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,291 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,291 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,291 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,291 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,292 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,292 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,292 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,292 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,293 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,293 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,293 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,293 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,293 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,294 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,294 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,294 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,294 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,295 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,295 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,295 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,295 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,296 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,296 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,296 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,296 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,296 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,296 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,296 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,297 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,297 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,297 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,297 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,297 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,297 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,297 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,298 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,298 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,298 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,298 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,298 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,298 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,298 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,299 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,299 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,299 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,299 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,299 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,299 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,300 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,300 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,300 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,300 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,300 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,300 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,301 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,301 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,301 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,301 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,301 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,301 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,301 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,302 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,302 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,302 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,302 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,302 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,302 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,302 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,303 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,303 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,303 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2020-07-28 21:26:54,303 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:26:54,303 INFO L82 GeneralOperation]: Start isEquivalent. First operand 106 states. Second operand 106 states. [2020-07-28 21:26:54,303 INFO L74 IsIncluded]: Start isIncluded. First operand 106 states. Second operand 106 states. [2020-07-28 21:26:54,304 INFO L87 Difference]: Start difference. First operand 106 states. Second operand 106 states. [2020-07-28 21:26:54,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:26:54,306 INFO L93 Difference]: Finished difference Result 106 states and 231 transitions. [2020-07-28 21:26:54,307 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 231 transitions. [2020-07-28 21:26:54,307 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:26:54,307 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:26:54,307 INFO L74 IsIncluded]: Start isIncluded. First operand 106 states. Second operand 106 states. [2020-07-28 21:26:54,307 INFO L87 Difference]: Start difference. First operand 106 states. Second operand 106 states. [2020-07-28 21:26:54,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:26:54,310 INFO L93 Difference]: Finished difference Result 106 states and 231 transitions. [2020-07-28 21:26:54,311 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 231 transitions. [2020-07-28 21:26:54,311 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:26:54,311 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:26:54,311 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:26:54,311 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:26:54,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-07-28 21:26:54,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 231 transitions. [2020-07-28 21:26:54,314 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 231 transitions. Word has length 12 [2020-07-28 21:26:54,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:26:54,314 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 231 transitions. [2020-07-28 21:26:54,314 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 21:26:54,315 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 231 transitions. [2020-07-28 21:26:54,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-28 21:26:54,315 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:26:54,315 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:26:54,315 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 21:26:54,316 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:26:54,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:26:54,317 INFO L82 PathProgramCache]: Analyzing trace with hash 1243290927, now seen corresponding path program 2 times [2020-07-28 21:26:54,318 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:26:54,318 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306909636] [2020-07-28 21:26:54,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:26:54,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:26:54,357 INFO L280 TraceCheckUtils]: 0: Hoare triple {6595#true} [220] ULTIMATE.startENTRY-->L766: Formula: (let ((.cse0 (store |v_#valid_53| 0 0))) (and (= 0 |v_#NULL.base_5|) (= 0 v_~y~0_50) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1822~0.base_16|)) (= |v_#length_21| (store |v_#length_22| |v_ULTIMATE.start_main_~#t1822~0.base_16| 4)) (= |v_ULTIMATE.start_main_~#t1822~0.offset_13| 0) (= (store .cse0 |v_ULTIMATE.start_main_~#t1822~0.base_16| 1) |v_#valid_51|) (= 0 v_~main$tmp_guard0~0_32) (= v_~__unbuffered_cnt~0_118 0) (= 0 v_~__unbuffered_p2_EAX~0_33) (= 0 |v_#NULL.offset_5|) (= 0 v_~__unbuffered_p0_EAX~0_37) (= 0 v_~x~0_43) (< 0 |v_#StackHeapBarrier_15|) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t1822~0.base_16|) (= 0 v_~main$tmp_guard1~0_32) (= |v_#memory_int_19| (store |v_#memory_int_20| |v_ULTIMATE.start_main_~#t1822~0.base_16| (store (select |v_#memory_int_20| |v_ULTIMATE.start_main_~#t1822~0.base_16|) |v_ULTIMATE.start_main_~#t1822~0.offset_13| 0))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_53|, #memory_int=|v_#memory_int_20|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_~#t1824~0.base=|v_ULTIMATE.start_main_~#t1824~0.base_17|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_24|, ULTIMATE.start_main_~#t1824~0.offset=|v_ULTIMATE.start_main_~#t1824~0.offset_14|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, ULTIMATE.start_main_~#t1822~0.offset=|v_ULTIMATE.start_main_~#t1822~0.offset_13|, #NULL.offset=|v_#NULL.offset_5|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_32, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_32, #NULL.base=|v_#NULL.base_5|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_37, ULTIMATE.start_main_~#t1823~0.base=|v_ULTIMATE.start_main_~#t1823~0.base_16|, ULTIMATE.start_main_~#t1823~0.offset=|v_ULTIMATE.start_main_~#t1823~0.offset_13|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_13|, #valid=|v_#valid_51|, #memory_int=|v_#memory_int_19|, ULTIMATE.start_main_~#t1822~0.base=|v_ULTIMATE.start_main_~#t1822~0.base_16|, #length=|v_#length_21|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_33, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_118, ~y~0=v_~y~0_50, ~x~0=v_~x~0_43} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1824~0.base, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t1824~0.offset, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~#t1822~0.offset, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t1823~0.base, ULTIMATE.start_main_~#t1823~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, ULTIMATE.start_main_~#t1822~0.base, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~y~0, ~x~0] {6597#(= 0 ~y~0)} is VALID [2020-07-28 21:26:54,358 INFO L280 TraceCheckUtils]: 1: Hoare triple {6597#(= 0 ~y~0)} [163] L766-->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] {6597#(= 0 ~y~0)} is VALID [2020-07-28 21:26:54,359 INFO L280 TraceCheckUtils]: 2: Hoare triple {6597#(= 0 ~y~0)} [206] L766-1-->L768: Formula: (and (= 0 (select |v_#valid_36| |v_ULTIMATE.start_main_~#t1823~0.base_11|)) (= (store |v_#memory_int_16| |v_ULTIMATE.start_main_~#t1823~0.base_11| (store (select |v_#memory_int_16| |v_ULTIMATE.start_main_~#t1823~0.base_11|) |v_ULTIMATE.start_main_~#t1823~0.offset_10| 1)) |v_#memory_int_15|) (= (store |v_#valid_36| |v_ULTIMATE.start_main_~#t1823~0.base_11| 1) |v_#valid_35|) (not (= 0 |v_ULTIMATE.start_main_~#t1823~0.base_11|)) (= |v_#length_17| (store |v_#length_18| |v_ULTIMATE.start_main_~#t1823~0.base_11| 4)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t1823~0.base_11|) (= 0 |v_ULTIMATE.start_main_~#t1823~0.offset_10|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_16|, #length=|v_#length_18|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t1823~0.base=|v_ULTIMATE.start_main_~#t1823~0.base_11|, ULTIMATE.start_main_~#t1823~0.offset=|v_ULTIMATE.start_main_~#t1823~0.offset_10|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_35|, #memory_int=|v_#memory_int_15|, #length=|v_#length_17|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1823~0.base, ULTIMATE.start_main_~#t1823~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {6597#(= 0 ~y~0)} is VALID [2020-07-28 21:26:54,360 INFO L280 TraceCheckUtils]: 3: Hoare triple {6597#(= 0 ~y~0)} [165] L768-->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] {6597#(= 0 ~y~0)} is VALID [2020-07-28 21:26:54,360 INFO L280 TraceCheckUtils]: 4: Hoare triple {6597#(= 0 ~y~0)} [188] P1ENTRY-->L728: Formula: (and (= 2 v_~x~0_18) (= |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_18} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_~arg.base, ~x~0] {6597#(= 0 ~y~0)} is VALID [2020-07-28 21:26:54,361 INFO L280 TraceCheckUtils]: 5: Hoare triple {6597#(= 0 ~y~0)} [205] L768-1-->L770: Formula: (and (= 0 (select |v_#valid_34| |v_ULTIMATE.start_main_~#t1824~0.base_13|)) (= (store |v_#valid_34| |v_ULTIMATE.start_main_~#t1824~0.base_13| 1) |v_#valid_33|) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1824~0.base_13| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1824~0.base_13|) |v_ULTIMATE.start_main_~#t1824~0.offset_11| 2)) |v_#memory_int_13|) (= 0 |v_ULTIMATE.start_main_~#t1824~0.offset_11|) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t1824~0.base_13|) (not (= 0 |v_ULTIMATE.start_main_~#t1824~0.base_13|)) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t1824~0.base_13| 4))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_14|, #length=|v_#length_16|} OutVars{ULTIMATE.start_main_~#t1824~0.base=|v_ULTIMATE.start_main_~#t1824~0.base_13|, #StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_~#t1824~0.offset=|v_ULTIMATE.start_main_~#t1824~0.offset_11|, #valid=|v_#valid_33|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_13|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1824~0.base, ULTIMATE.start_main_~#t1824~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length] {6597#(= 0 ~y~0)} is VALID [2020-07-28 21:26:54,362 INFO L280 TraceCheckUtils]: 6: Hoare triple {6597#(= 0 ~y~0)} [167] L770-->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] {6597#(= 0 ~y~0)} is VALID [2020-07-28 21:26:54,362 INFO L280 TraceCheckUtils]: 7: Hoare triple {6597#(= 0 ~y~0)} [201] L770-1-->L2: Formula: (and (= (mod v_~main$tmp_guard0~0_19 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_6|) (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_73))) (or (and .cse0 (= 1 v_~main$tmp_guard0~0_19)) (and (not .cse0) (= 0 v_~main$tmp_guard0~0_19))))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_73} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_6|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_9, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_12|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_73, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_19} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {6597#(= 0 ~y~0)} is VALID [2020-07-28 21:26:54,363 INFO L280 TraceCheckUtils]: 8: Hoare triple {6597#(= 0 ~y~0)} [187] P2ENTRY-->L743: Formula: (and (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4) (= v_~y~0_19 v_~__unbuffered_p2_EAX~0_15)) 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_19} 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_15, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_19} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {6598#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:26:54,364 INFO L280 TraceCheckUtils]: 9: Hoare triple {6598#(= 0 ~__unbuffered_p2_EAX~0)} [158] L743-->L746: Formula: (= v_~y~0_4 2) InVars {} OutVars{~y~0=v_~y~0_4} AuxVars[] AssignedVars[~y~0] {6598#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:26:54,364 INFO L280 TraceCheckUtils]: 10: Hoare triple {6598#(= 0 ~__unbuffered_p2_EAX~0)} [193] P0ENTRY-->L713: Formula: (and (= v_~y~0_20 v_~__unbuffered_p0_EAX~0_16) (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= v_P0Thread1of1ForFork0_~arg.base_4 |v_P0Thread1of1ForFork0_#in~arg.base_4|)) InVars {P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~y~0=v_~y~0_20} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_16, 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_20, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_4, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_4} AuxVars[] AssignedVars[~__unbuffered_p0_EAX~0, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {6598#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:26:54,366 INFO L280 TraceCheckUtils]: 11: Hoare triple {6598#(= 0 ~__unbuffered_p2_EAX~0)} [219] L2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= v_ULTIMATE.start___VERIFIER_assert_~expression_17 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_13|) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_28)) (= 1 v_~__unbuffered_p2_EAX~0_32) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_13| (mod v_~main$tmp_guard1~0_31 256)) (= 2 v_~__unbuffered_p0_EAX~0_36) (= 0 v_~main$tmp_guard1~0_31) (= v_ULTIMATE.start_assume_abort_if_not_~cond_28 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (= 2 v_~x~0_42) (= 2 v_~y~0_49)) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_36, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_32, ~y~0=v_~y~0_49, ~x~0=v_~x~0_42} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_36, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_17, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_28, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_31, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_32, ~y~0=v_~y~0_49, ~x~0=v_~x~0_42, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_13|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {6596#false} is VALID [2020-07-28 21:26:54,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 21:26:54,366 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306909636] [2020-07-28 21:26:54,367 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:26:54,367 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 21:26:54,367 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650783813] [2020-07-28 21:26:54,367 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-07-28 21:26:54,367 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:26:54,368 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 21:26:54,382 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:26:54,382 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 21:26:54,383 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:26:54,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 21:26:54,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 21:26:54,383 INFO L87 Difference]: Start difference. First operand 106 states and 231 transitions. Second operand 4 states. [2020-07-28 21:26:54,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:26:54,441 INFO L93 Difference]: Finished difference Result 124 states and 264 transitions. [2020-07-28 21:26:54,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-28 21:26:54,441 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-07-28 21:26:54,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:26:54,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:26:54,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 31 transitions. [2020-07-28 21:26:54,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:26:54,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 31 transitions. [2020-07-28 21:26:54,442 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 31 transitions. [2020-07-28 21:26:54,479 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:26:54,480 INFO L225 Difference]: With dead ends: 124 [2020-07-28 21:26:54,480 INFO L226 Difference]: Without dead ends: 64 [2020-07-28 21:26:54,481 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-28 21:26:54,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-07-28 21:26:54,482 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,482 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,483 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,483 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,483 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,483 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,483 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,484 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,484 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,484 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,484 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,484 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,484 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,485 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,485 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,485 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,485 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,485 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,486 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,486 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,486 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,486 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,486 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,487 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,487 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,487 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,487 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,487 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,487 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,488 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,488 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,488 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,488 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,488 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,489 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,489 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,489 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,489 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,489 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,489 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,490 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,490 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,490 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,490 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,490 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,491 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,491 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,491 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,491 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,491 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,491 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,492 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,492 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,492 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,492 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,492 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,493 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,493 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,493 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,493 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,493 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,494 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,494 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,494 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2020-07-28 21:26:54,494 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:26:54,495 INFO L82 GeneralOperation]: Start isEquivalent. First operand 64 states. Second operand 64 states. [2020-07-28 21:26:54,495 INFO L74 IsIncluded]: Start isIncluded. First operand 64 states. Second operand 64 states. [2020-07-28 21:26:54,495 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 64 states. [2020-07-28 21:26:54,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:26:54,497 INFO L93 Difference]: Finished difference Result 64 states and 130 transitions. [2020-07-28 21:26:54,497 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 130 transitions. [2020-07-28 21:26:54,497 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:26:54,497 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:26:54,497 INFO L74 IsIncluded]: Start isIncluded. First operand 64 states. Second operand 64 states. [2020-07-28 21:26:54,497 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 64 states. [2020-07-28 21:26:54,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:26:54,499 INFO L93 Difference]: Finished difference Result 64 states and 130 transitions. [2020-07-28 21:26:54,499 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 130 transitions. [2020-07-28 21:26:54,500 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:26:54,500 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:26:54,500 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:26:54,500 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:26:54,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-07-28 21:26:54,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 130 transitions. [2020-07-28 21:26:54,502 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 130 transitions. Word has length 12 [2020-07-28 21:26:54,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:26:54,502 INFO L479 AbstractCegarLoop]: Abstraction has 64 states and 130 transitions. [2020-07-28 21:26:54,503 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 21:26:54,503 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 130 transitions. [2020-07-28 21:26:54,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-07-28 21:26:54,503 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:26:54,503 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:26:54,504 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-28 21:26:54,504 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:26:54,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:26:54,504 INFO L82 PathProgramCache]: Analyzing trace with hash -589742481, now seen corresponding path program 1 times [2020-07-28 21:26:54,504 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:26:54,505 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886883185] [2020-07-28 21:26:54,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:26:54,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:26:54,542 INFO L280 TraceCheckUtils]: 0: Hoare triple {6983#true} [220] ULTIMATE.startENTRY-->L766: Formula: (let ((.cse0 (store |v_#valid_53| 0 0))) (and (= 0 |v_#NULL.base_5|) (= 0 v_~y~0_50) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1822~0.base_16|)) (= |v_#length_21| (store |v_#length_22| |v_ULTIMATE.start_main_~#t1822~0.base_16| 4)) (= |v_ULTIMATE.start_main_~#t1822~0.offset_13| 0) (= (store .cse0 |v_ULTIMATE.start_main_~#t1822~0.base_16| 1) |v_#valid_51|) (= 0 v_~main$tmp_guard0~0_32) (= v_~__unbuffered_cnt~0_118 0) (= 0 v_~__unbuffered_p2_EAX~0_33) (= 0 |v_#NULL.offset_5|) (= 0 v_~__unbuffered_p0_EAX~0_37) (= 0 v_~x~0_43) (< 0 |v_#StackHeapBarrier_15|) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t1822~0.base_16|) (= 0 v_~main$tmp_guard1~0_32) (= |v_#memory_int_19| (store |v_#memory_int_20| |v_ULTIMATE.start_main_~#t1822~0.base_16| (store (select |v_#memory_int_20| |v_ULTIMATE.start_main_~#t1822~0.base_16|) |v_ULTIMATE.start_main_~#t1822~0.offset_13| 0))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_53|, #memory_int=|v_#memory_int_20|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_~#t1824~0.base=|v_ULTIMATE.start_main_~#t1824~0.base_17|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_24|, ULTIMATE.start_main_~#t1824~0.offset=|v_ULTIMATE.start_main_~#t1824~0.offset_14|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, ULTIMATE.start_main_~#t1822~0.offset=|v_ULTIMATE.start_main_~#t1822~0.offset_13|, #NULL.offset=|v_#NULL.offset_5|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_32, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_32, #NULL.base=|v_#NULL.base_5|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_37, ULTIMATE.start_main_~#t1823~0.base=|v_ULTIMATE.start_main_~#t1823~0.base_16|, ULTIMATE.start_main_~#t1823~0.offset=|v_ULTIMATE.start_main_~#t1823~0.offset_13|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_13|, #valid=|v_#valid_51|, #memory_int=|v_#memory_int_19|, ULTIMATE.start_main_~#t1822~0.base=|v_ULTIMATE.start_main_~#t1822~0.base_16|, #length=|v_#length_21|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_33, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_118, ~y~0=v_~y~0_50, ~x~0=v_~x~0_43} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1824~0.base, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t1824~0.offset, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~#t1822~0.offset, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t1823~0.base, ULTIMATE.start_main_~#t1823~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, ULTIMATE.start_main_~#t1822~0.base, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~y~0, ~x~0] {6983#true} is VALID [2020-07-28 21:26:54,542 INFO L280 TraceCheckUtils]: 1: Hoare triple {6983#true} [163] L766-->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] {6983#true} is VALID [2020-07-28 21:26:54,543 INFO L280 TraceCheckUtils]: 2: Hoare triple {6983#true} [206] L766-1-->L768: Formula: (and (= 0 (select |v_#valid_36| |v_ULTIMATE.start_main_~#t1823~0.base_11|)) (= (store |v_#memory_int_16| |v_ULTIMATE.start_main_~#t1823~0.base_11| (store (select |v_#memory_int_16| |v_ULTIMATE.start_main_~#t1823~0.base_11|) |v_ULTIMATE.start_main_~#t1823~0.offset_10| 1)) |v_#memory_int_15|) (= (store |v_#valid_36| |v_ULTIMATE.start_main_~#t1823~0.base_11| 1) |v_#valid_35|) (not (= 0 |v_ULTIMATE.start_main_~#t1823~0.base_11|)) (= |v_#length_17| (store |v_#length_18| |v_ULTIMATE.start_main_~#t1823~0.base_11| 4)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t1823~0.base_11|) (= 0 |v_ULTIMATE.start_main_~#t1823~0.offset_10|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_16|, #length=|v_#length_18|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t1823~0.base=|v_ULTIMATE.start_main_~#t1823~0.base_11|, ULTIMATE.start_main_~#t1823~0.offset=|v_ULTIMATE.start_main_~#t1823~0.offset_10|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_35|, #memory_int=|v_#memory_int_15|, #length=|v_#length_17|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1823~0.base, ULTIMATE.start_main_~#t1823~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {6983#true} is VALID [2020-07-28 21:26:54,543 INFO L280 TraceCheckUtils]: 3: Hoare triple {6983#true} [165] L768-->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] {6983#true} is VALID [2020-07-28 21:26:54,543 INFO L280 TraceCheckUtils]: 4: Hoare triple {6983#true} [188] P1ENTRY-->L728: Formula: (and (= 2 v_~x~0_18) (= |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_18} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_~arg.base, ~x~0] {6983#true} is VALID [2020-07-28 21:26:54,544 INFO L280 TraceCheckUtils]: 5: Hoare triple {6983#true} [152] L728-->L731: Formula: (= v_~y~0_2 1) InVars {} OutVars{~y~0=v_~y~0_2} AuxVars[] AssignedVars[~y~0] {6985#(= 1 ~y~0)} is VALID [2020-07-28 21:26:54,545 INFO L280 TraceCheckUtils]: 6: Hoare triple {6985#(= 1 ~y~0)} [193] P0ENTRY-->L713: Formula: (and (= v_~y~0_20 v_~__unbuffered_p0_EAX~0_16) (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= v_P0Thread1of1ForFork0_~arg.base_4 |v_P0Thread1of1ForFork0_#in~arg.base_4|)) InVars {P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~y~0=v_~y~0_20} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_16, 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_20, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_4, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_4} AuxVars[] AssignedVars[~__unbuffered_p0_EAX~0, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {6986#(= 1 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:26:54,545 INFO L280 TraceCheckUtils]: 7: Hoare triple {6986#(= 1 ~__unbuffered_p0_EAX~0)} [205] L768-1-->L770: Formula: (and (= 0 (select |v_#valid_34| |v_ULTIMATE.start_main_~#t1824~0.base_13|)) (= (store |v_#valid_34| |v_ULTIMATE.start_main_~#t1824~0.base_13| 1) |v_#valid_33|) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1824~0.base_13| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1824~0.base_13|) |v_ULTIMATE.start_main_~#t1824~0.offset_11| 2)) |v_#memory_int_13|) (= 0 |v_ULTIMATE.start_main_~#t1824~0.offset_11|) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t1824~0.base_13|) (not (= 0 |v_ULTIMATE.start_main_~#t1824~0.base_13|)) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t1824~0.base_13| 4))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_14|, #length=|v_#length_16|} OutVars{ULTIMATE.start_main_~#t1824~0.base=|v_ULTIMATE.start_main_~#t1824~0.base_13|, #StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_~#t1824~0.offset=|v_ULTIMATE.start_main_~#t1824~0.offset_11|, #valid=|v_#valid_33|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_13|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1824~0.base, ULTIMATE.start_main_~#t1824~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length] {6986#(= 1 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:26:54,546 INFO L280 TraceCheckUtils]: 8: Hoare triple {6986#(= 1 ~__unbuffered_p0_EAX~0)} [167] L770-->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] {6986#(= 1 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:26:54,547 INFO L280 TraceCheckUtils]: 9: Hoare triple {6986#(= 1 ~__unbuffered_p0_EAX~0)} [201] L770-1-->L2: Formula: (and (= (mod v_~main$tmp_guard0~0_19 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_6|) (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_73))) (or (and .cse0 (= 1 v_~main$tmp_guard0~0_19)) (and (not .cse0) (= 0 v_~main$tmp_guard0~0_19))))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_73} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_6|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_9, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_12|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_73, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_19} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {6986#(= 1 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:26:54,547 INFO L280 TraceCheckUtils]: 10: Hoare triple {6986#(= 1 ~__unbuffered_p0_EAX~0)} [187] P2ENTRY-->L743: Formula: (and (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4) (= v_~y~0_19 v_~__unbuffered_p2_EAX~0_15)) InVars {P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_19} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_4, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_4, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_15, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_19} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {6986#(= 1 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:26:54,548 INFO L280 TraceCheckUtils]: 11: Hoare triple {6986#(= 1 ~__unbuffered_p0_EAX~0)} [158] L743-->L746: Formula: (= v_~y~0_4 2) InVars {} OutVars{~y~0=v_~y~0_4} AuxVars[] AssignedVars[~y~0] {6986#(= 1 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:26:54,549 INFO L280 TraceCheckUtils]: 12: Hoare triple {6986#(= 1 ~__unbuffered_p0_EAX~0)} [219] L2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= v_ULTIMATE.start___VERIFIER_assert_~expression_17 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_13|) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_28)) (= 1 v_~__unbuffered_p2_EAX~0_32) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_13| (mod v_~main$tmp_guard1~0_31 256)) (= 2 v_~__unbuffered_p0_EAX~0_36) (= 0 v_~main$tmp_guard1~0_31) (= v_ULTIMATE.start_assume_abort_if_not_~cond_28 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (= 2 v_~x~0_42) (= 2 v_~y~0_49)) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_36, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_32, ~y~0=v_~y~0_49, ~x~0=v_~x~0_42} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_36, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_17, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_28, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_31, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_32, ~y~0=v_~y~0_49, ~x~0=v_~x~0_42, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_13|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {6984#false} is VALID [2020-07-28 21:26:54,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 21:26:54,550 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886883185] [2020-07-28 21:26:54,550 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:26:54,550 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 21:26:54,550 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861029989] [2020-07-28 21:26:54,550 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-07-28 21:26:54,551 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:26:54,551 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 21:26:54,566 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 13 edges. 13 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:26:54,566 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 21:26:54,566 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:26:54,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 21:26:54,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 21:26:54,567 INFO L87 Difference]: Start difference. First operand 64 states and 130 transitions. Second operand 4 states. [2020-07-28 21:26:54,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:26:54,639 INFO L93 Difference]: Finished difference Result 72 states and 142 transitions. [2020-07-28 21:26:54,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 21:26:54,639 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-07-28 21:26:54,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:26:54,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:26:54,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2020-07-28 21:26:54,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:26:54,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2020-07-28 21:26:54,640 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 32 transitions. [2020-07-28 21:26:54,684 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:26:54,685 INFO L225 Difference]: With dead ends: 72 [2020-07-28 21:26:54,685 INFO L226 Difference]: Without dead ends: 52 [2020-07-28 21:26:54,685 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 21:26:54,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-07-28 21:26:54,686 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,687 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,687 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,687 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,687 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,687 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,688 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,688 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,688 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,688 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,689 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,689 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,689 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,689 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,689 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,689 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,690 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,690 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,690 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,691 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,691 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,691 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,691 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,692 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,692 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,692 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,692 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,693 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,693 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,693 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,693 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,694 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,694 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,694 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,694 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,695 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,695 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,695 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,695 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,696 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,696 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,696 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,696 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,697 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,697 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,697 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,697 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,698 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,698 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,698 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,698 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,699 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2020-07-28 21:26:54,699 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:26:54,699 INFO L82 GeneralOperation]: Start isEquivalent. First operand 52 states. Second operand 52 states. [2020-07-28 21:26:54,699 INFO L74 IsIncluded]: Start isIncluded. First operand 52 states. Second operand 52 states. [2020-07-28 21:26:54,699 INFO L87 Difference]: Start difference. First operand 52 states. Second operand 52 states. [2020-07-28 21:26:54,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:26:54,701 INFO L93 Difference]: Finished difference Result 52 states and 96 transitions. [2020-07-28 21:26:54,701 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 96 transitions. [2020-07-28 21:26:54,701 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:26:54,701 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:26:54,701 INFO L74 IsIncluded]: Start isIncluded. First operand 52 states. Second operand 52 states. [2020-07-28 21:26:54,701 INFO L87 Difference]: Start difference. First operand 52 states. Second operand 52 states. [2020-07-28 21:26:54,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:26:54,703 INFO L93 Difference]: Finished difference Result 52 states and 96 transitions. [2020-07-28 21:26:54,703 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 96 transitions. [2020-07-28 21:26:54,703 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:26:54,703 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:26:54,703 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:26:54,704 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:26:54,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-07-28 21:26:54,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 96 transitions. [2020-07-28 21:26:54,705 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 96 transitions. Word has length 13 [2020-07-28 21:26:54,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:26:54,706 INFO L479 AbstractCegarLoop]: Abstraction has 52 states and 96 transitions. [2020-07-28 21:26:54,706 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 21:26:54,706 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 96 transitions. [2020-07-28 21:26:54,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-07-28 21:26:54,706 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:26:54,706 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:26:54,706 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-28 21:26:54,707 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:26:54,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:26:54,707 INFO L82 PathProgramCache]: Analyzing trace with hash 413415217, now seen corresponding path program 2 times [2020-07-28 21:26:54,707 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:26:54,707 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719255385] [2020-07-28 21:26:54,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:26:54,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:26:54,793 INFO L280 TraceCheckUtils]: 0: Hoare triple {7271#true} [220] ULTIMATE.startENTRY-->L766: Formula: (let ((.cse0 (store |v_#valid_53| 0 0))) (and (= 0 |v_#NULL.base_5|) (= 0 v_~y~0_50) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1822~0.base_16|)) (= |v_#length_21| (store |v_#length_22| |v_ULTIMATE.start_main_~#t1822~0.base_16| 4)) (= |v_ULTIMATE.start_main_~#t1822~0.offset_13| 0) (= (store .cse0 |v_ULTIMATE.start_main_~#t1822~0.base_16| 1) |v_#valid_51|) (= 0 v_~main$tmp_guard0~0_32) (= v_~__unbuffered_cnt~0_118 0) (= 0 v_~__unbuffered_p2_EAX~0_33) (= 0 |v_#NULL.offset_5|) (= 0 v_~__unbuffered_p0_EAX~0_37) (= 0 v_~x~0_43) (< 0 |v_#StackHeapBarrier_15|) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t1822~0.base_16|) (= 0 v_~main$tmp_guard1~0_32) (= |v_#memory_int_19| (store |v_#memory_int_20| |v_ULTIMATE.start_main_~#t1822~0.base_16| (store (select |v_#memory_int_20| |v_ULTIMATE.start_main_~#t1822~0.base_16|) |v_ULTIMATE.start_main_~#t1822~0.offset_13| 0))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_53|, #memory_int=|v_#memory_int_20|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_~#t1824~0.base=|v_ULTIMATE.start_main_~#t1824~0.base_17|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_24|, ULTIMATE.start_main_~#t1824~0.offset=|v_ULTIMATE.start_main_~#t1824~0.offset_14|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, ULTIMATE.start_main_~#t1822~0.offset=|v_ULTIMATE.start_main_~#t1822~0.offset_13|, #NULL.offset=|v_#NULL.offset_5|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_32, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_32, #NULL.base=|v_#NULL.base_5|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_37, ULTIMATE.start_main_~#t1823~0.base=|v_ULTIMATE.start_main_~#t1823~0.base_16|, ULTIMATE.start_main_~#t1823~0.offset=|v_ULTIMATE.start_main_~#t1823~0.offset_13|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_13|, #valid=|v_#valid_51|, #memory_int=|v_#memory_int_19|, ULTIMATE.start_main_~#t1822~0.base=|v_ULTIMATE.start_main_~#t1822~0.base_16|, #length=|v_#length_21|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_33, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_118, ~y~0=v_~y~0_50, ~x~0=v_~x~0_43} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1824~0.base, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t1824~0.offset, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~#t1822~0.offset, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t1823~0.base, ULTIMATE.start_main_~#t1823~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, ULTIMATE.start_main_~#t1822~0.base, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~y~0, ~x~0] {7273#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:26:54,793 INFO L280 TraceCheckUtils]: 1: Hoare triple {7273#(= 0 ~__unbuffered_cnt~0)} [163] L766-->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] {7273#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:26:54,794 INFO L280 TraceCheckUtils]: 2: Hoare triple {7273#(= 0 ~__unbuffered_cnt~0)} [206] L766-1-->L768: Formula: (and (= 0 (select |v_#valid_36| |v_ULTIMATE.start_main_~#t1823~0.base_11|)) (= (store |v_#memory_int_16| |v_ULTIMATE.start_main_~#t1823~0.base_11| (store (select |v_#memory_int_16| |v_ULTIMATE.start_main_~#t1823~0.base_11|) |v_ULTIMATE.start_main_~#t1823~0.offset_10| 1)) |v_#memory_int_15|) (= (store |v_#valid_36| |v_ULTIMATE.start_main_~#t1823~0.base_11| 1) |v_#valid_35|) (not (= 0 |v_ULTIMATE.start_main_~#t1823~0.base_11|)) (= |v_#length_17| (store |v_#length_18| |v_ULTIMATE.start_main_~#t1823~0.base_11| 4)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t1823~0.base_11|) (= 0 |v_ULTIMATE.start_main_~#t1823~0.offset_10|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_16|, #length=|v_#length_18|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t1823~0.base=|v_ULTIMATE.start_main_~#t1823~0.base_11|, ULTIMATE.start_main_~#t1823~0.offset=|v_ULTIMATE.start_main_~#t1823~0.offset_10|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_35|, #memory_int=|v_#memory_int_15|, #length=|v_#length_17|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1823~0.base, ULTIMATE.start_main_~#t1823~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {7273#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:26:54,795 INFO L280 TraceCheckUtils]: 3: Hoare triple {7273#(= 0 ~__unbuffered_cnt~0)} [165] L768-->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] {7273#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:26:54,796 INFO L280 TraceCheckUtils]: 4: Hoare triple {7273#(= 0 ~__unbuffered_cnt~0)} [188] P1ENTRY-->L728: Formula: (and (= 2 v_~x~0_18) (= |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_18} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_~arg.base, ~x~0] {7273#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:26:54,796 INFO L280 TraceCheckUtils]: 5: Hoare triple {7273#(= 0 ~__unbuffered_cnt~0)} [152] L728-->L731: Formula: (= v_~y~0_2 1) InVars {} OutVars{~y~0=v_~y~0_2} AuxVars[] AssignedVars[~y~0] {7273#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:26:54,797 INFO L280 TraceCheckUtils]: 6: Hoare triple {7273#(= 0 ~__unbuffered_cnt~0)} [205] L768-1-->L770: Formula: (and (= 0 (select |v_#valid_34| |v_ULTIMATE.start_main_~#t1824~0.base_13|)) (= (store |v_#valid_34| |v_ULTIMATE.start_main_~#t1824~0.base_13| 1) |v_#valid_33|) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1824~0.base_13| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1824~0.base_13|) |v_ULTIMATE.start_main_~#t1824~0.offset_11| 2)) |v_#memory_int_13|) (= 0 |v_ULTIMATE.start_main_~#t1824~0.offset_11|) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t1824~0.base_13|) (not (= 0 |v_ULTIMATE.start_main_~#t1824~0.base_13|)) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t1824~0.base_13| 4))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_14|, #length=|v_#length_16|} OutVars{ULTIMATE.start_main_~#t1824~0.base=|v_ULTIMATE.start_main_~#t1824~0.base_13|, #StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_~#t1824~0.offset=|v_ULTIMATE.start_main_~#t1824~0.offset_11|, #valid=|v_#valid_33|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_13|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1824~0.base, ULTIMATE.start_main_~#t1824~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length] {7273#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:26:54,797 INFO L280 TraceCheckUtils]: 7: Hoare triple {7273#(= 0 ~__unbuffered_cnt~0)} [167] L770-->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] {7273#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:26:54,799 INFO L280 TraceCheckUtils]: 8: Hoare triple {7273#(= 0 ~__unbuffered_cnt~0)} [201] L770-1-->L2: Formula: (and (= (mod v_~main$tmp_guard0~0_19 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_6|) (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_73))) (or (and .cse0 (= 1 v_~main$tmp_guard0~0_19)) (and (not .cse0) (= 0 v_~main$tmp_guard0~0_19))))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_73} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_6|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_9, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_12|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_73, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_19} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {7274#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond|))} is VALID [2020-07-28 21:26:54,799 INFO L280 TraceCheckUtils]: 9: Hoare triple {7274#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond|))} [187] P2ENTRY-->L743: Formula: (and (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4) (= v_~y~0_19 v_~__unbuffered_p2_EAX~0_15)) 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_19} 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_15, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_19} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {7274#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond|))} is VALID [2020-07-28 21:26:54,800 INFO L280 TraceCheckUtils]: 10: Hoare triple {7274#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond|))} [158] L743-->L746: Formula: (= v_~y~0_4 2) InVars {} OutVars{~y~0=v_~y~0_4} AuxVars[] AssignedVars[~y~0] {7274#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond|))} is VALID [2020-07-28 21:26:54,801 INFO L280 TraceCheckUtils]: 11: Hoare triple {7274#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond|))} [193] P0ENTRY-->L713: Formula: (and (= v_~y~0_20 v_~__unbuffered_p0_EAX~0_16) (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= v_P0Thread1of1ForFork0_~arg.base_4 |v_P0Thread1of1ForFork0_#in~arg.base_4|)) InVars {P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~y~0=v_~y~0_20} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_16, 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_20, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_4, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_4} AuxVars[] AssignedVars[~__unbuffered_p0_EAX~0, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {7274#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond|))} is VALID [2020-07-28 21:26:54,802 INFO L280 TraceCheckUtils]: 12: Hoare triple {7274#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond|))} [219] L2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= v_ULTIMATE.start___VERIFIER_assert_~expression_17 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_13|) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_28)) (= 1 v_~__unbuffered_p2_EAX~0_32) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_13| (mod v_~main$tmp_guard1~0_31 256)) (= 2 v_~__unbuffered_p0_EAX~0_36) (= 0 v_~main$tmp_guard1~0_31) (= v_ULTIMATE.start_assume_abort_if_not_~cond_28 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (= 2 v_~x~0_42) (= 2 v_~y~0_49)) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_36, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_32, ~y~0=v_~y~0_49, ~x~0=v_~x~0_42} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_36, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_17, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_28, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_31, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_32, ~y~0=v_~y~0_49, ~x~0=v_~x~0_42, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_13|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {7272#false} is VALID [2020-07-28 21:26:54,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 21:26:54,803 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719255385] [2020-07-28 21:26:54,803 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:26:54,803 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 21:26:54,803 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596862287] [2020-07-28 21:26:54,804 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-07-28 21:26:54,804 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:26:54,804 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 21:26:54,824 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 13 edges. 13 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:26:54,825 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 21:26:54,825 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:26:54,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 21:26:54,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 21:26:54,825 INFO L87 Difference]: Start difference. First operand 52 states and 96 transitions. Second operand 4 states. [2020-07-28 21:26:54,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:26:54,906 INFO L93 Difference]: Finished difference Result 57 states and 96 transitions. [2020-07-28 21:26:54,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 21:26:54,906 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-07-28 21:26:54,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:26:54,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:26:54,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 39 transitions. [2020-07-28 21:26:54,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:26:54,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 39 transitions. [2020-07-28 21:26:54,908 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 39 transitions. [2020-07-28 21:26:54,956 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 21:26:54,957 INFO L225 Difference]: With dead ends: 57 [2020-07-28 21:26:54,957 INFO L226 Difference]: Without dead ends: 43 [2020-07-28 21:26:54,957 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-28 21:26:54,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-07-28 21:26:54,958 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,959 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,959 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,959 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,959 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,959 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,960 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,960 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,960 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,960 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,960 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,961 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,961 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,961 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,961 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,961 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,961 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,962 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,962 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,962 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,962 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,962 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,963 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,963 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,963 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,963 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,963 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,964 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,964 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,964 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,964 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,964 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,965 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,965 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,965 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,965 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,965 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,965 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,966 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,966 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,966 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,966 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,966 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:54,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-07-28 21:26:54,967 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:26:54,967 INFO L82 GeneralOperation]: Start isEquivalent. First operand 43 states. Second operand 43 states. [2020-07-28 21:26:54,967 INFO L74 IsIncluded]: Start isIncluded. First operand 43 states. Second operand 43 states. [2020-07-28 21:26:54,967 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 43 states. [2020-07-28 21:26:54,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:26:54,969 INFO L93 Difference]: Finished difference Result 43 states and 70 transitions. [2020-07-28 21:26:54,969 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 70 transitions. [2020-07-28 21:26:54,969 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:26:54,969 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:26:54,969 INFO L74 IsIncluded]: Start isIncluded. First operand 43 states. Second operand 43 states. [2020-07-28 21:26:54,969 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 43 states. [2020-07-28 21:26:54,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:26:54,970 INFO L93 Difference]: Finished difference Result 43 states and 70 transitions. [2020-07-28 21:26:54,971 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 70 transitions. [2020-07-28 21:26:54,971 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:26:54,971 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:26:54,971 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:26:54,971 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:26:54,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-07-28 21:26:54,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 70 transitions. [2020-07-28 21:26:54,972 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 70 transitions. Word has length 13 [2020-07-28 21:26:54,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:26:54,973 INFO L479 AbstractCegarLoop]: Abstraction has 43 states and 70 transitions. [2020-07-28 21:26:54,973 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 21:26:54,973 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 70 transitions. [2020-07-28 21:26:54,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-07-28 21:26:54,973 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:26:54,973 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:26:54,974 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-28 21:26:54,974 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:26:54,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:26:54,974 INFO L82 PathProgramCache]: Analyzing trace with hash 1574125730, now seen corresponding path program 1 times [2020-07-28 21:26:54,974 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:26:54,975 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140363876] [2020-07-28 21:26:54,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:26:55,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:26:55,082 INFO L280 TraceCheckUtils]: 0: Hoare triple {7508#true} [220] ULTIMATE.startENTRY-->L766: Formula: (let ((.cse0 (store |v_#valid_53| 0 0))) (and (= 0 |v_#NULL.base_5|) (= 0 v_~y~0_50) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1822~0.base_16|)) (= |v_#length_21| (store |v_#length_22| |v_ULTIMATE.start_main_~#t1822~0.base_16| 4)) (= |v_ULTIMATE.start_main_~#t1822~0.offset_13| 0) (= (store .cse0 |v_ULTIMATE.start_main_~#t1822~0.base_16| 1) |v_#valid_51|) (= 0 v_~main$tmp_guard0~0_32) (= v_~__unbuffered_cnt~0_118 0) (= 0 v_~__unbuffered_p2_EAX~0_33) (= 0 |v_#NULL.offset_5|) (= 0 v_~__unbuffered_p0_EAX~0_37) (= 0 v_~x~0_43) (< 0 |v_#StackHeapBarrier_15|) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t1822~0.base_16|) (= 0 v_~main$tmp_guard1~0_32) (= |v_#memory_int_19| (store |v_#memory_int_20| |v_ULTIMATE.start_main_~#t1822~0.base_16| (store (select |v_#memory_int_20| |v_ULTIMATE.start_main_~#t1822~0.base_16|) |v_ULTIMATE.start_main_~#t1822~0.offset_13| 0))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_53|, #memory_int=|v_#memory_int_20|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_~#t1824~0.base=|v_ULTIMATE.start_main_~#t1824~0.base_17|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_24|, ULTIMATE.start_main_~#t1824~0.offset=|v_ULTIMATE.start_main_~#t1824~0.offset_14|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, ULTIMATE.start_main_~#t1822~0.offset=|v_ULTIMATE.start_main_~#t1822~0.offset_13|, #NULL.offset=|v_#NULL.offset_5|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_32, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_32, #NULL.base=|v_#NULL.base_5|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_37, ULTIMATE.start_main_~#t1823~0.base=|v_ULTIMATE.start_main_~#t1823~0.base_16|, ULTIMATE.start_main_~#t1823~0.offset=|v_ULTIMATE.start_main_~#t1823~0.offset_13|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_13|, #valid=|v_#valid_51|, #memory_int=|v_#memory_int_19|, ULTIMATE.start_main_~#t1822~0.base=|v_ULTIMATE.start_main_~#t1822~0.base_16|, #length=|v_#length_21|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_33, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_118, ~y~0=v_~y~0_50, ~x~0=v_~x~0_43} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1824~0.base, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t1824~0.offset, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~#t1822~0.offset, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t1823~0.base, ULTIMATE.start_main_~#t1823~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, ULTIMATE.start_main_~#t1822~0.base, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~y~0, ~x~0] {7510#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:26:55,084 INFO L280 TraceCheckUtils]: 1: Hoare triple {7510#(= 0 ~__unbuffered_cnt~0)} [163] L766-->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] {7510#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:26:55,087 INFO L280 TraceCheckUtils]: 2: Hoare triple {7510#(= 0 ~__unbuffered_cnt~0)} [206] L766-1-->L768: Formula: (and (= 0 (select |v_#valid_36| |v_ULTIMATE.start_main_~#t1823~0.base_11|)) (= (store |v_#memory_int_16| |v_ULTIMATE.start_main_~#t1823~0.base_11| (store (select |v_#memory_int_16| |v_ULTIMATE.start_main_~#t1823~0.base_11|) |v_ULTIMATE.start_main_~#t1823~0.offset_10| 1)) |v_#memory_int_15|) (= (store |v_#valid_36| |v_ULTIMATE.start_main_~#t1823~0.base_11| 1) |v_#valid_35|) (not (= 0 |v_ULTIMATE.start_main_~#t1823~0.base_11|)) (= |v_#length_17| (store |v_#length_18| |v_ULTIMATE.start_main_~#t1823~0.base_11| 4)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t1823~0.base_11|) (= 0 |v_ULTIMATE.start_main_~#t1823~0.offset_10|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_16|, #length=|v_#length_18|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t1823~0.base=|v_ULTIMATE.start_main_~#t1823~0.base_11|, ULTIMATE.start_main_~#t1823~0.offset=|v_ULTIMATE.start_main_~#t1823~0.offset_10|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_35|, #memory_int=|v_#memory_int_15|, #length=|v_#length_17|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1823~0.base, ULTIMATE.start_main_~#t1823~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {7510#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:26:55,089 INFO L280 TraceCheckUtils]: 3: Hoare triple {7510#(= 0 ~__unbuffered_cnt~0)} [165] L768-->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] {7510#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:26:55,091 INFO L280 TraceCheckUtils]: 4: Hoare triple {7510#(= 0 ~__unbuffered_cnt~0)} [188] P1ENTRY-->L728: Formula: (and (= 2 v_~x~0_18) (= |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_18} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_~arg.base, ~x~0] {7510#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:26:55,091 INFO L280 TraceCheckUtils]: 5: Hoare triple {7510#(= 0 ~__unbuffered_cnt~0)} [152] L728-->L731: Formula: (= v_~y~0_2 1) InVars {} OutVars{~y~0=v_~y~0_2} AuxVars[] AssignedVars[~y~0] {7510#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:26:55,096 INFO L280 TraceCheckUtils]: 6: Hoare triple {7510#(= 0 ~__unbuffered_cnt~0)} [197] L731-->P1EXIT: Formula: (and (= 0 |v_P1Thread1of1ForFork1_#res.base_17|) (= v_~__unbuffered_cnt~0_71 (+ v_~__unbuffered_cnt~0_72 1)) (= |v_P1Thread1of1ForFork1_#res.offset_17| 0)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_72} OutVars{P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_17|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_71, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_17|} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#res.offset, ~__unbuffered_cnt~0, P1Thread1of1ForFork1_#res.base] {7511#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:26:55,097 INFO L280 TraceCheckUtils]: 7: Hoare triple {7511#(<= ~__unbuffered_cnt~0 1)} [205] L768-1-->L770: Formula: (and (= 0 (select |v_#valid_34| |v_ULTIMATE.start_main_~#t1824~0.base_13|)) (= (store |v_#valid_34| |v_ULTIMATE.start_main_~#t1824~0.base_13| 1) |v_#valid_33|) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1824~0.base_13| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1824~0.base_13|) |v_ULTIMATE.start_main_~#t1824~0.offset_11| 2)) |v_#memory_int_13|) (= 0 |v_ULTIMATE.start_main_~#t1824~0.offset_11|) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t1824~0.base_13|) (not (= 0 |v_ULTIMATE.start_main_~#t1824~0.base_13|)) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t1824~0.base_13| 4))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_14|, #length=|v_#length_16|} OutVars{ULTIMATE.start_main_~#t1824~0.base=|v_ULTIMATE.start_main_~#t1824~0.base_13|, #StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_~#t1824~0.offset=|v_ULTIMATE.start_main_~#t1824~0.offset_11|, #valid=|v_#valid_33|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_13|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1824~0.base, ULTIMATE.start_main_~#t1824~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length] {7511#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:26:55,098 INFO L280 TraceCheckUtils]: 8: Hoare triple {7511#(<= ~__unbuffered_cnt~0 1)} [167] L770-->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] {7511#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:26:55,099 INFO L280 TraceCheckUtils]: 9: Hoare triple {7511#(<= ~__unbuffered_cnt~0 1)} [201] L770-1-->L2: Formula: (and (= (mod v_~main$tmp_guard0~0_19 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_6|) (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_73))) (or (and .cse0 (= 1 v_~main$tmp_guard0~0_19)) (and (not .cse0) (= 0 v_~main$tmp_guard0~0_19))))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_73} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_6|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_9, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_12|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_73, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_19} 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] {7512#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond|))} is VALID [2020-07-28 21:26:55,100 INFO L280 TraceCheckUtils]: 10: Hoare triple {7512#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond|))} [187] P2ENTRY-->L743: Formula: (and (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4) (= v_~y~0_19 v_~__unbuffered_p2_EAX~0_15)) 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_19} 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_15, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_19} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {7512#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond|))} is VALID [2020-07-28 21:26:55,101 INFO L280 TraceCheckUtils]: 11: Hoare triple {7512#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond|))} [158] L743-->L746: Formula: (= v_~y~0_4 2) InVars {} OutVars{~y~0=v_~y~0_4} AuxVars[] AssignedVars[~y~0] {7512#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond|))} is VALID [2020-07-28 21:26:55,102 INFO L280 TraceCheckUtils]: 12: Hoare triple {7512#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond|))} [193] P0ENTRY-->L713: Formula: (and (= v_~y~0_20 v_~__unbuffered_p0_EAX~0_16) (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= v_P0Thread1of1ForFork0_~arg.base_4 |v_P0Thread1of1ForFork0_#in~arg.base_4|)) InVars {P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~y~0=v_~y~0_20} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_16, 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_20, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_4, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_4} AuxVars[] AssignedVars[~__unbuffered_p0_EAX~0, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {7512#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond|))} is VALID [2020-07-28 21:26:55,103 INFO L280 TraceCheckUtils]: 13: Hoare triple {7512#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond|))} [219] L2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= v_ULTIMATE.start___VERIFIER_assert_~expression_17 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_13|) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_28)) (= 1 v_~__unbuffered_p2_EAX~0_32) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_13| (mod v_~main$tmp_guard1~0_31 256)) (= 2 v_~__unbuffered_p0_EAX~0_36) (= 0 v_~main$tmp_guard1~0_31) (= v_ULTIMATE.start_assume_abort_if_not_~cond_28 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (= 2 v_~x~0_42) (= 2 v_~y~0_49)) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_36, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_32, ~y~0=v_~y~0_49, ~x~0=v_~x~0_42} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_36, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_17, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_28, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_31, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_32, ~y~0=v_~y~0_49, ~x~0=v_~x~0_42, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_13|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {7509#false} is VALID [2020-07-28 21:26:55,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 21:26:55,104 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140363876] [2020-07-28 21:26:55,104 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:26:55,104 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 21:26:55,104 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785273523] [2020-07-28 21:26:55,105 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-07-28 21:26:55,105 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:26:55,105 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 21:26:55,122 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 21:26:55,122 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 21:26:55,122 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:26:55,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 21:26:55,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-28 21:26:55,123 INFO L87 Difference]: Start difference. First operand 43 states and 70 transitions. Second operand 5 states. [2020-07-28 21:26:55,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:26:55,224 INFO L93 Difference]: Finished difference Result 39 states and 59 transitions. [2020-07-28 21:26:55,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 21:26:55,224 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-07-28 21:26:55,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:26:55,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:26:55,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 34 transitions. [2020-07-28 21:26:55,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:26:55,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 34 transitions. [2020-07-28 21:26:55,226 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 34 transitions. [2020-07-28 21:26:55,269 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:26:55,269 INFO L225 Difference]: With dead ends: 39 [2020-07-28 21:26:55,270 INFO L226 Difference]: Without dead ends: 31 [2020-07-28 21:26:55,270 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 21:26:55,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-07-28 21:26:55,271 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:55,271 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:55,272 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:55,272 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:55,272 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:55,272 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:55,272 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:55,273 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:55,273 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:55,273 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:55,273 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:55,273 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:55,273 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:55,274 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:55,274 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:55,274 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:55,274 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:55,274 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:55,275 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:55,275 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:55,275 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:55,275 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:55,275 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:55,276 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:55,276 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:55,276 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:55,276 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:55,276 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:55,276 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:55,277 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:55,277 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:26:55,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-07-28 21:26:55,277 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:26:55,277 INFO L82 GeneralOperation]: Start isEquivalent. First operand 31 states. Second operand 31 states. [2020-07-28 21:26:55,277 INFO L74 IsIncluded]: Start isIncluded. First operand 31 states. Second operand 31 states. [2020-07-28 21:26:55,277 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 31 states. [2020-07-28 21:26:55,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:26:55,278 INFO L93 Difference]: Finished difference Result 31 states and 44 transitions. [2020-07-28 21:26:55,278 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 44 transitions. [2020-07-28 21:26:55,279 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:26:55,279 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:26:55,279 INFO L74 IsIncluded]: Start isIncluded. First operand 31 states. Second operand 31 states. [2020-07-28 21:26:55,279 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 31 states. [2020-07-28 21:26:55,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:26:55,280 INFO L93 Difference]: Finished difference Result 31 states and 44 transitions. [2020-07-28 21:26:55,280 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 44 transitions. [2020-07-28 21:26:55,280 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:26:55,280 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:26:55,280 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:26:55,280 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:26:55,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-07-28 21:26:55,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 44 transitions. [2020-07-28 21:26:55,281 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 44 transitions. Word has length 14 [2020-07-28 21:26:55,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:26:55,282 INFO L479 AbstractCegarLoop]: Abstraction has 31 states and 44 transitions. [2020-07-28 21:26:55,282 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 21:26:55,282 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 44 transitions. [2020-07-28 21:26:55,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-07-28 21:26:55,282 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:26:55,282 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:26:55,282 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-28 21:26:55,283 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:26:55,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:26:55,283 INFO L82 PathProgramCache]: Analyzing trace with hash 1126720068, now seen corresponding path program 1 times [2020-07-28 21:26:55,283 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:26:55,283 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007948603] [2020-07-28 21:26:55,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:26:55,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:26:55,347 INFO L280 TraceCheckUtils]: 0: Hoare triple {7680#true} [220] ULTIMATE.startENTRY-->L766: Formula: (let ((.cse0 (store |v_#valid_53| 0 0))) (and (= 0 |v_#NULL.base_5|) (= 0 v_~y~0_50) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1822~0.base_16|)) (= |v_#length_21| (store |v_#length_22| |v_ULTIMATE.start_main_~#t1822~0.base_16| 4)) (= |v_ULTIMATE.start_main_~#t1822~0.offset_13| 0) (= (store .cse0 |v_ULTIMATE.start_main_~#t1822~0.base_16| 1) |v_#valid_51|) (= 0 v_~main$tmp_guard0~0_32) (= v_~__unbuffered_cnt~0_118 0) (= 0 v_~__unbuffered_p2_EAX~0_33) (= 0 |v_#NULL.offset_5|) (= 0 v_~__unbuffered_p0_EAX~0_37) (= 0 v_~x~0_43) (< 0 |v_#StackHeapBarrier_15|) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t1822~0.base_16|) (= 0 v_~main$tmp_guard1~0_32) (= |v_#memory_int_19| (store |v_#memory_int_20| |v_ULTIMATE.start_main_~#t1822~0.base_16| (store (select |v_#memory_int_20| |v_ULTIMATE.start_main_~#t1822~0.base_16|) |v_ULTIMATE.start_main_~#t1822~0.offset_13| 0))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_53|, #memory_int=|v_#memory_int_20|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_~#t1824~0.base=|v_ULTIMATE.start_main_~#t1824~0.base_17|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_24|, ULTIMATE.start_main_~#t1824~0.offset=|v_ULTIMATE.start_main_~#t1824~0.offset_14|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, ULTIMATE.start_main_~#t1822~0.offset=|v_ULTIMATE.start_main_~#t1822~0.offset_13|, #NULL.offset=|v_#NULL.offset_5|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_32, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_32, #NULL.base=|v_#NULL.base_5|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_37, ULTIMATE.start_main_~#t1823~0.base=|v_ULTIMATE.start_main_~#t1823~0.base_16|, ULTIMATE.start_main_~#t1823~0.offset=|v_ULTIMATE.start_main_~#t1823~0.offset_13|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_13|, #valid=|v_#valid_51|, #memory_int=|v_#memory_int_19|, ULTIMATE.start_main_~#t1822~0.base=|v_ULTIMATE.start_main_~#t1822~0.base_16|, #length=|v_#length_21|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_33, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_118, ~y~0=v_~y~0_50, ~x~0=v_~x~0_43} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1824~0.base, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t1824~0.offset, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~#t1822~0.offset, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_~#t1823~0.base, ULTIMATE.start_main_~#t1823~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, ULTIMATE.start_main_~#t1822~0.base, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~y~0, ~x~0] {7682#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:26:55,348 INFO L280 TraceCheckUtils]: 1: Hoare triple {7682#(= 0 ~__unbuffered_cnt~0)} [163] L766-->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] {7682#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:26:55,348 INFO L280 TraceCheckUtils]: 2: Hoare triple {7682#(= 0 ~__unbuffered_cnt~0)} [206] L766-1-->L768: Formula: (and (= 0 (select |v_#valid_36| |v_ULTIMATE.start_main_~#t1823~0.base_11|)) (= (store |v_#memory_int_16| |v_ULTIMATE.start_main_~#t1823~0.base_11| (store (select |v_#memory_int_16| |v_ULTIMATE.start_main_~#t1823~0.base_11|) |v_ULTIMATE.start_main_~#t1823~0.offset_10| 1)) |v_#memory_int_15|) (= (store |v_#valid_36| |v_ULTIMATE.start_main_~#t1823~0.base_11| 1) |v_#valid_35|) (not (= 0 |v_ULTIMATE.start_main_~#t1823~0.base_11|)) (= |v_#length_17| (store |v_#length_18| |v_ULTIMATE.start_main_~#t1823~0.base_11| 4)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t1823~0.base_11|) (= 0 |v_ULTIMATE.start_main_~#t1823~0.offset_10|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_36|, #memory_int=|v_#memory_int_16|, #length=|v_#length_18|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_~#t1823~0.base=|v_ULTIMATE.start_main_~#t1823~0.base_11|, ULTIMATE.start_main_~#t1823~0.offset=|v_ULTIMATE.start_main_~#t1823~0.offset_10|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_35|, #memory_int=|v_#memory_int_15|, #length=|v_#length_17|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1823~0.base, ULTIMATE.start_main_~#t1823~0.offset, ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, #length] {7682#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:26:55,349 INFO L280 TraceCheckUtils]: 3: Hoare triple {7682#(= 0 ~__unbuffered_cnt~0)} [165] L768-->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] {7682#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:26:55,349 INFO L280 TraceCheckUtils]: 4: Hoare triple {7682#(= 0 ~__unbuffered_cnt~0)} [188] P1ENTRY-->L728: Formula: (and (= 2 v_~x~0_18) (= |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_18} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_~arg.base, ~x~0] {7682#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:26:55,351 INFO L280 TraceCheckUtils]: 5: Hoare triple {7682#(= 0 ~__unbuffered_cnt~0)} [152] L728-->L731: Formula: (= v_~y~0_2 1) InVars {} OutVars{~y~0=v_~y~0_2} AuxVars[] AssignedVars[~y~0] {7682#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:26:55,360 INFO L280 TraceCheckUtils]: 6: Hoare triple {7682#(= 0 ~__unbuffered_cnt~0)} [197] L731-->P1EXIT: Formula: (and (= 0 |v_P1Thread1of1ForFork1_#res.base_17|) (= v_~__unbuffered_cnt~0_71 (+ v_~__unbuffered_cnt~0_72 1)) (= |v_P1Thread1of1ForFork1_#res.offset_17| 0)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_72} OutVars{P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_17|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_71, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_17|} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#res.offset, ~__unbuffered_cnt~0, P1Thread1of1ForFork1_#res.base] {7683#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:26:55,366 INFO L280 TraceCheckUtils]: 7: Hoare triple {7683#(<= ~__unbuffered_cnt~0 1)} [205] L768-1-->L770: Formula: (and (= 0 (select |v_#valid_34| |v_ULTIMATE.start_main_~#t1824~0.base_13|)) (= (store |v_#valid_34| |v_ULTIMATE.start_main_~#t1824~0.base_13| 1) |v_#valid_33|) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1824~0.base_13| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1824~0.base_13|) |v_ULTIMATE.start_main_~#t1824~0.offset_11| 2)) |v_#memory_int_13|) (= 0 |v_ULTIMATE.start_main_~#t1824~0.offset_11|) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t1824~0.base_13|) (not (= 0 |v_ULTIMATE.start_main_~#t1824~0.base_13|)) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t1824~0.base_13| 4))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_14|, #length=|v_#length_16|} OutVars{ULTIMATE.start_main_~#t1824~0.base=|v_ULTIMATE.start_main_~#t1824~0.base_13|, #StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_~#t1824~0.offset=|v_ULTIMATE.start_main_~#t1824~0.offset_11|, #valid=|v_#valid_33|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_13|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1824~0.base, ULTIMATE.start_main_~#t1824~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length] {7683#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:26:55,366 INFO L280 TraceCheckUtils]: 8: Hoare triple {7683#(<= ~__unbuffered_cnt~0 1)} [167] L770-->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] {7683#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:26:55,367 INFO L280 TraceCheckUtils]: 9: Hoare triple {7683#(<= ~__unbuffered_cnt~0 1)} [187] P2ENTRY-->L743: Formula: (and (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4) (= v_~y~0_19 v_~__unbuffered_p2_EAX~0_15)) 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_19} 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_15, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_19} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {7683#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:26:55,369 INFO L280 TraceCheckUtils]: 10: Hoare triple {7683#(<= ~__unbuffered_cnt~0 1)} [158] L743-->L746: Formula: (= v_~y~0_4 2) InVars {} OutVars{~y~0=v_~y~0_4} AuxVars[] AssignedVars[~y~0] {7683#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:26:55,369 INFO L280 TraceCheckUtils]: 11: Hoare triple {7683#(<= ~__unbuffered_cnt~0 1)} [193] P0ENTRY-->L713: Formula: (and (= v_~y~0_20 v_~__unbuffered_p0_EAX~0_16) (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= v_P0Thread1of1ForFork0_~arg.base_4 |v_P0Thread1of1ForFork0_#in~arg.base_4|)) InVars {P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~y~0=v_~y~0_20} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_16, 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_20, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_4, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_4} AuxVars[] AssignedVars[~__unbuffered_p0_EAX~0, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {7683#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:26:55,371 INFO L280 TraceCheckUtils]: 12: Hoare triple {7683#(<= ~__unbuffered_cnt~0 1)} [204] L746-->P2EXIT: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#res.base_17|) (= 0 |v_P2Thread1of1ForFork2_#res.offset_17|) (= (+ v_~__unbuffered_cnt~0_85 1) v_~__unbuffered_cnt~0_84)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_85} OutVars{P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_17|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_84, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_17|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#res.base, ~__unbuffered_cnt~0, P2Thread1of1ForFork2_#res.offset] {7684#(<= ~__unbuffered_cnt~0 2)} is VALID [2020-07-28 21:26:55,376 INFO L280 TraceCheckUtils]: 13: Hoare triple {7684#(<= ~__unbuffered_cnt~0 2)} [201] L770-1-->L2: Formula: (and (= (mod v_~main$tmp_guard0~0_19 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_6|) (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_73))) (or (and .cse0 (= 1 v_~main$tmp_guard0~0_19)) (and (not .cse0) (= 0 v_~main$tmp_guard0~0_19))))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_73} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_6|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_9, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_12|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_73, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_19} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {7685#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond|))} is VALID [2020-07-28 21:26:55,378 INFO L280 TraceCheckUtils]: 14: Hoare triple {7685#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond|))} [219] L2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= v_ULTIMATE.start___VERIFIER_assert_~expression_17 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_13|) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_28)) (= 1 v_~__unbuffered_p2_EAX~0_32) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_13| (mod v_~main$tmp_guard1~0_31 256)) (= 2 v_~__unbuffered_p0_EAX~0_36) (= 0 v_~main$tmp_guard1~0_31) (= v_ULTIMATE.start_assume_abort_if_not_~cond_28 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|) (= 2 v_~x~0_42) (= 2 v_~y~0_49)) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_36, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_32, ~y~0=v_~y~0_49, ~x~0=v_~x~0_42} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_23|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_36, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_17, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_28, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_31, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_32, ~y~0=v_~y~0_49, ~x~0=v_~x~0_42, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_13|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {7681#false} is VALID [2020-07-28 21:26:55,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 21:26:55,379 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007948603] [2020-07-28 21:26:55,380 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:26:55,380 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 21:26:55,380 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005943184] [2020-07-28 21:26:55,381 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-07-28 21:26:55,381 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:26:55,381 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 21:26:55,403 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 21:26:55,404 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 21:26:55,404 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:26:55,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 21:26:55,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-28 21:26:55,404 INFO L87 Difference]: Start difference. First operand 31 states and 44 transitions. Second operand 6 states. [2020-07-28 21:26:55,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:26:55,493 INFO L93 Difference]: Finished difference Result 28 states and 41 transitions. [2020-07-28 21:26:55,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 21:26:55,493 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-07-28 21:26:55,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:26:55,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 21:26:55,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 24 transitions. [2020-07-28 21:26:55,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 21:26:55,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 24 transitions. [2020-07-28 21:26:55,494 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 24 transitions. [2020-07-28 21:26:55,522 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:26:55,522 INFO L225 Difference]: With dead ends: 28 [2020-07-28 21:26:55,522 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 21:26:55,523 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 21:26:55,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 21:26:55,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 21:26:55,523 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:26:55,523 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 21:26:55,523 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 21:26:55,524 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 21:26:55,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:26:55,524 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 21:26:55,524 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 21:26:55,524 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:26:55,524 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:26:55,524 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 21:26:55,525 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 21:26:55,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:26:55,525 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 21:26:55,525 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 21:26:55,525 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:26:55,525 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:26:55,525 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:26:55,526 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:26:55,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 21:26:55,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 21:26:55,527 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2020-07-28 21:26:55,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:26:55,527 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 21:26:55,527 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 21:26:55,527 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 21:26:55,527 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:26:55,527 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-28 21:26:55,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 09:26:55 BasicIcfg [2020-07-28 21:26:55,532 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 21:26:55,532 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 21:26:55,532 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 21:26:55,532 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 21:26:55,533 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 09:26:49" (3/4) ... [2020-07-28 21:26:55,536 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 21:26:55,542 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2020-07-28 21:26:55,542 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2020-07-28 21:26:55,543 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2020-07-28 21:26:55,549 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-07-28 21:26:55,549 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-07-28 21:26:55,549 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 21:26:55,612 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 21:26:55,615 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 21:26:55,618 INFO L168 Benchmark]: Toolchain (without parser) took 7738.90 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 286.3 MB). Free memory was 956.2 MB in the beginning and 1.0 GB in the end (delta: -86.7 MB). Peak memory consumption was 199.6 MB. Max. memory is 11.5 GB. [2020-07-28 21:26:55,619 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 21:26:55,620 INFO L168 Benchmark]: CACSL2BoogieTranslator took 758.15 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -110.3 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2020-07-28 21:26:55,621 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.17 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 21:26:55,622 INFO L168 Benchmark]: Boogie Preprocessor took 28.73 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 21:26:55,622 INFO L168 Benchmark]: RCFGBuilder took 544.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 40.5 MB). Peak memory consumption was 40.5 MB. Max. memory is 11.5 GB. [2020-07-28 21:26:55,624 INFO L168 Benchmark]: TraceAbstraction took 6248.15 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 178.8 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -26.4 MB). Peak memory consumption was 152.4 MB. Max. memory is 11.5 GB. [2020-07-28 21:26:55,624 INFO L168 Benchmark]: Witness Printer took 82.92 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2020-07-28 21:26:55,626 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 0.34 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 758.15 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -110.3 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 68.17 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.73 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 544.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 40.5 MB). Peak memory consumption was 40.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6248.15 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 178.8 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -26.4 MB). Peak memory consumption was 152.4 MB. Max. memory is 11.5 GB. * Witness Printer took 82.92 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.4s, 77 ProgramPointsBefore, 31 ProgramPointsAfterwards, 69 TransitionsBefore, 22 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 7 FixpointIterations, 13 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 1 ChoiceCompositions, 673 VarBasedMoverChecksPositive, 29 VarBasedMoverChecksNegative, 9 SemBasedMoverChecksPositive, 28 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.6s, 0 MoverChecksTotal, 2483 CheckedPairsTotal, 57 TotalNumberOfCompositions - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 68 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.0s, OverallIterations: 11, TraceHistogramMax: 1, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.4s, HoareTripleCheckerStatistics: 204 SDtfs, 103 SDslu, 190 SDs, 0 SdLazy, 102 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s 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: 0.6s AutomataMinimizationTime, 11 MinimizatonAttempts, 28 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 130 NumberOfCodeBlocks, 130 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 119 ConstructedInterpolants, 0 QuantifiedInterpolants, 4161 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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...