./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe031_tso.oepc.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/safe031_tso.oepc.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4f2fe671cb85bda5c1a7cfacfc92d2a6a7d678ab ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 21:44:45,599 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 21:44:45,602 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 21:44:45,623 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 21:44:45,624 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 21:44:45,626 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 21:44:45,629 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 21:44:45,640 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 21:44:45,645 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 21:44:45,649 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 21:44:45,651 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 21:44:45,654 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 21:44:45,654 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 21:44:45,657 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 21:44:45,658 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 21:44:45,660 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 21:44:45,661 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 21:44:45,663 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 21:44:45,665 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 21:44:45,669 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 21:44:45,675 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 21:44:45,679 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 21:44:45,681 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 21:44:45,682 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 21:44:45,684 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 21:44:45,685 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 21:44:45,685 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 21:44:45,687 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 21:44:45,688 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 21:44:45,689 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 21:44:45,689 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 21:44:45,690 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 21:44:45,691 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 21:44:45,692 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 21:44:45,694 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 21:44:45,695 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 21:44:45,695 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 21:44:45,696 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 21:44:45,696 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 21:44:45,697 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 21:44:45,698 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 21:44:45,699 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 21:44:45,734 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 21:44:45,737 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 21:44:45,740 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 21:44:45,741 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 21:44:45,742 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 21:44:45,742 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 21:44:45,743 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 21:44:45,743 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 21:44:45,743 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 21:44:45,743 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 21:44:45,744 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 21:44:45,745 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 21:44:45,745 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 21:44:45,746 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 21:44:45,746 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 21:44:45,746 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 21:44:45,746 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 21:44:45,747 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 21:44:45,747 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 21:44:45,747 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 21:44:45,747 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 21:44:45,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 21:44:45,748 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 21:44:45,749 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 21:44:45,749 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 21:44:45,749 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 21:44:45,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 21:44:45,750 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 21:44:45,750 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 21:44:45,750 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 -> 4f2fe671cb85bda5c1a7cfacfc92d2a6a7d678ab [2020-07-28 21:44:46,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 21:44:46,112 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 21:44:46,117 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 21:44:46,119 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 21:44:46,120 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 21:44:46,121 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe031_tso.oepc.i [2020-07-28 21:44:46,200 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0254f168/505291886dca43e6b569d1917efbf08a/FLAG7b9bb089b [2020-07-28 21:44:46,736 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 21:44:46,737 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe031_tso.oepc.i [2020-07-28 21:44:46,751 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0254f168/505291886dca43e6b569d1917efbf08a/FLAG7b9bb089b [2020-07-28 21:44:47,028 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0254f168/505291886dca43e6b569d1917efbf08a [2020-07-28 21:44:47,032 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 21:44:47,035 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 21:44:47,037 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 21:44:47,037 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 21:44:47,041 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 21:44:47,043 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 09:44:47" (1/1) ... [2020-07-28 21:44:47,046 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34eeb0bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:44:47, skipping insertion in model container [2020-07-28 21:44:47,046 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 09:44:47" (1/1) ... [2020-07-28 21:44:47,054 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 21:44:47,123 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 21:44:47,534 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 21:44:47,546 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 21:44:47,616 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 21:44:47,730 INFO L208 MainTranslator]: Completed translation [2020-07-28 21:44:47,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:44:47 WrapperNode [2020-07-28 21:44:47,732 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 21:44:47,734 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 21:44:47,734 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 21:44:47,735 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 21:44:47,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:44:47" (1/1) ... [2020-07-28 21:44:47,791 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:44:47" (1/1) ... [2020-07-28 21:44:47,830 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 21:44:47,831 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 21:44:47,831 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 21:44:47,831 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 21:44:47,839 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:44:47" (1/1) ... [2020-07-28 21:44:47,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:44:47" (1/1) ... [2020-07-28 21:44:47,841 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:44:47" (1/1) ... [2020-07-28 21:44:47,842 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:44:47" (1/1) ... [2020-07-28 21:44:47,850 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:44:47" (1/1) ... [2020-07-28 21:44:47,852 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:44:47" (1/1) ... [2020-07-28 21:44:47,855 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:44:47" (1/1) ... [2020-07-28 21:44:47,858 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 21:44:47,859 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 21:44:47,859 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 21:44:47,859 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 21:44:47,861 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:44:47" (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 21:44:47,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-28 21:44:47,920 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-07-28 21:44:47,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 21:44:47,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 21:44:47,920 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-07-28 21:44:47,920 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-07-28 21:44:47,921 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-07-28 21:44:47,921 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-07-28 21:44:47,921 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-07-28 21:44:47,921 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-07-28 21:44:47,921 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-07-28 21:44:47,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 21:44:47,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 21:44:47,929 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 21:44:48,354 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 21:44:48,354 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-07-28 21:44:48,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 09:44:48 BoogieIcfgContainer [2020-07-28 21:44:48,363 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 21:44:48,364 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 21:44:48,364 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 21:44:48,368 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 21:44:48,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 09:44:47" (1/3) ... [2020-07-28 21:44:48,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5930f1db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 09:44:48, skipping insertion in model container [2020-07-28 21:44:48,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:44:47" (2/3) ... [2020-07-28 21:44:48,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5930f1db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 09:44:48, skipping insertion in model container [2020-07-28 21:44:48,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 09:44:48" (3/3) ... [2020-07-28 21:44:48,373 INFO L109 eAbstractionObserver]: Analyzing ICFG safe031_tso.oepc.i [2020-07-28 21:44:48,385 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-07-28 21:44:48,385 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 21:44:48,394 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 21:44:48,396 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-07-28 21:44:48,436 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:44:48,437 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:44:48,437 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:44:48,442 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:44:48,443 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:44:48,443 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:44:48,444 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:44:48,444 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:44:48,446 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:44:48,447 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:44:48,447 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:44:48,448 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:44:48,449 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:44:48,449 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:44:48,449 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:44:48,449 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:44:48,450 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:44:48,450 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:44:48,459 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:44:48,460 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:44:48,460 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:44:48,460 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:44:48,471 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:44:48,472 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:44:48,472 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:44:48,472 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:44:48,475 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:44:48,476 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:44:48,476 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:44:48,476 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:44:48,494 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-07-28 21:44:48,514 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 21:44:48,514 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 21:44:48,514 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 21:44:48,515 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 21:44:48,515 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 21:44:48,515 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 21:44:48,515 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 21:44:48,516 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 21:44:48,533 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 69 transitions, 153 flow [2020-07-28 21:44:48,535 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 77 places, 69 transitions, 153 flow [2020-07-28 21:44:48,593 INFO L129 PetriNetUnfolder]: 2/66 cut-off events. [2020-07-28 21:44:48,593 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-07-28 21:44:48,603 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 46 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 21:44:48,607 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 77 places, 69 transitions, 153 flow [2020-07-28 21:44:48,632 INFO L129 PetriNetUnfolder]: 2/66 cut-off events. [2020-07-28 21:44:48,632 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-07-28 21:44:48,633 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 46 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 21:44:48,636 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1260 [2020-07-28 21:44:48,637 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-07-28 21:44:50,985 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2238 [2020-07-28 21:44:50,986 INFO L214 etLargeBlockEncoding]: Total number of compositions: 55 [2020-07-28 21:44:50,992 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 31 places, 21 transitions, 57 flow [2020-07-28 21:44:51,038 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 298 states. [2020-07-28 21:44:51,041 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states. [2020-07-28 21:44:51,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-07-28 21:44:51,072 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:44:51,073 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:44:51,073 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:44:51,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:44:51,081 INFO L82 PathProgramCache]: Analyzing trace with hash -389059823, now seen corresponding path program 1 times [2020-07-28 21:44:51,091 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:44:51,092 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552712871] [2020-07-28 21:44:51,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:44:51,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:44:51,313 INFO L280 TraceCheckUtils]: 0: Hoare triple {676#true} [220] ULTIMATE.startENTRY-->L768: Formula: (let ((.cse0 (store |v_#valid_49| 0 0))) (and (= 0 v_~z~0_45) (= v_~__unbuffered_cnt~0_146 0) (= 0 v_~x~0_21) (= 0 v_~main$tmp_guard0~0_30) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t2531~0.base_18|)) (= 0 v_~main$tmp_guard1~0_33) (= (store |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2531~0.base_18| (store (select |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2531~0.base_18|) |v_ULTIMATE.start_main_~#t2531~0.offset_15| 0)) |v_#memory_int_17|) (= 0 |v_ULTIMATE.start_main_~#t2531~0.offset_15|) (= (store .cse0 |v_ULTIMATE.start_main_~#t2531~0.base_18| 1) |v_#valid_47|) (= 0 v_~__unbuffered_p0_EAX~0_39) (= 0 |v_#NULL.offset_4|) (= |v_#length_21| (store |v_#length_22| |v_ULTIMATE.start_main_~#t2531~0.base_18| 4)) (< 0 |v_#StackHeapBarrier_15|) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2531~0.base_18|) (= 0 v_~y~0_45) (= 0 |v_#NULL.base_4|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_49|, #memory_int=|v_#memory_int_18|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_~#t2533~0.base=|v_ULTIMATE.start_main_~#t2533~0.base_15|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_22|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_8|, #NULL.offset=|v_#NULL.offset_4|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_33, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_30, ULTIMATE.start_main_~#t2531~0.base=|v_ULTIMATE.start_main_~#t2531~0.base_18|, ULTIMATE.start_main_~#t2531~0.offset=|v_ULTIMATE.start_main_~#t2531~0.offset_15|, #NULL.base=|v_#NULL.base_4|, ULTIMATE.start_main_~#t2533~0.offset=|v_ULTIMATE.start_main_~#t2533~0.offset_13|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_39, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_14|, #valid=|v_#valid_47|, #memory_int=|v_#memory_int_17|, ULTIMATE.start_main_~#t2532~0.offset=|v_ULTIMATE.start_main_~#t2532~0.offset_13|, ULTIMATE.start_main_~#t2532~0.base=|v_ULTIMATE.start_main_~#t2532~0.base_15|, #length=|v_#length_21|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_146, ~z~0=v_~z~0_45, ~y~0=v_~y~0_45, ~x~0=v_~x~0_21} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2533~0.base, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, ULTIMATE.start_main_~#t2531~0.base, ULTIMATE.start_main_~#t2531~0.offset, #NULL.base, ULTIMATE.start_main_~#t2533~0.offset, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_#res, #valid, #memory_int, ULTIMATE.start_main_~#t2532~0.offset, ULTIMATE.start_main_~#t2532~0.base, #length, ~__unbuffered_cnt~0, ~z~0, ~y~0, ~x~0] {678#(<= ~y~0 0)} is VALID [2020-07-28 21:44:51,315 INFO L280 TraceCheckUtils]: 1: Hoare triple {678#(<= ~y~0 0)} [163] L768-->P0ENTRY: Formula: (and (= 0 v_P0Thread1of1ForFork0_thidvar0_2) (= 0 |v_P0Thread1of1ForFork0_#in~arg.base_3|) (= 0 |v_P0Thread1of1ForFork0_#in~arg.offset_3|)) InVars {} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_3|, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_3|, P0Thread1of1ForFork0_thidvar0=v_P0Thread1of1ForFork0_thidvar0_2, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_3|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_3|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_3, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_3} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#in~arg.offset, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_thidvar0, P0Thread1of1ForFork0_#in~arg.base, P0Thread1of1ForFork0_#res.base, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {678#(<= ~y~0 0)} is VALID [2020-07-28 21:44:51,316 INFO L280 TraceCheckUtils]: 2: Hoare triple {678#(<= ~y~0 0)} [201] L768-1-->L770: Formula: (and (not (= 0 |v_ULTIMATE.start_main_~#t2532~0.base_10|)) (= |v_#memory_int_11| (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2532~0.base_10| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2532~0.base_10|) |v_ULTIMATE.start_main_~#t2532~0.offset_9| 1))) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t2532~0.base_10|) (= 0 |v_ULTIMATE.start_main_~#t2532~0.offset_9|) (= |v_#valid_31| (store |v_#valid_32| |v_ULTIMATE.start_main_~#t2532~0.base_10| 1)) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t2532~0.base_10| 4)) (= 0 (select |v_#valid_32| |v_ULTIMATE.start_main_~#t2532~0.base_10|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_32|, #memory_int=|v_#memory_int_12|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_31|, #memory_int=|v_#memory_int_11|, ULTIMATE.start_main_~#t2532~0.offset=|v_ULTIMATE.start_main_~#t2532~0.offset_9|, ULTIMATE.start_main_~#t2532~0.base=|v_ULTIMATE.start_main_~#t2532~0.base_10|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, ULTIMATE.start_main_~#t2532~0.offset, ULTIMATE.start_main_~#t2532~0.base, #length] {678#(<= ~y~0 0)} is VALID [2020-07-28 21:44:51,318 INFO L280 TraceCheckUtils]: 3: Hoare triple {678#(<= ~y~0 0)} [165] L770-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork1_thidvar0_2) (= 0 |v_P1Thread1of1ForFork1_#in~arg.base_3|) (= 0 |v_P1Thread1of1ForFork1_#in~arg.offset_3|)) InVars {} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_3, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_3|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_3, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_3|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_3|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_3|, P1Thread1of1ForFork1_thidvar0=v_P1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_#res.offset, P1Thread1of1ForFork1_~arg.base, P1Thread1of1ForFork1_#in~arg.base, P1Thread1of1ForFork1_#in~arg.offset, P1Thread1of1ForFork1_#res.base, P1Thread1of1ForFork1_thidvar0] {678#(<= ~y~0 0)} is VALID [2020-07-28 21:44:51,320 INFO L280 TraceCheckUtils]: 4: Hoare triple {678#(<= ~y~0 0)} [200] L770-1-->L772: Formula: (and (not (= 0 |v_ULTIMATE.start_main_~#t2533~0.base_10|)) (= 0 (select |v_#valid_30| |v_ULTIMATE.start_main_~#t2533~0.base_10|)) (= (store |v_#valid_30| |v_ULTIMATE.start_main_~#t2533~0.base_10| 1) |v_#valid_29|) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t2533~0.base_10|) (= (store |v_#length_14| |v_ULTIMATE.start_main_~#t2533~0.base_10| 4) |v_#length_13|) (= 0 |v_ULTIMATE.start_main_~#t2533~0.offset_9|) (= |v_#memory_int_9| (store |v_#memory_int_10| |v_ULTIMATE.start_main_~#t2533~0.base_10| (store (select |v_#memory_int_10| |v_ULTIMATE.start_main_~#t2533~0.base_10|) |v_ULTIMATE.start_main_~#t2533~0.offset_9| 2)))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_30|, #memory_int=|v_#memory_int_10|, #length=|v_#length_14|} OutVars{ULTIMATE.start_main_~#t2533~0.base=|v_ULTIMATE.start_main_~#t2533~0.base_10|, #StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_29|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_9|, #length=|v_#length_13|, ULTIMATE.start_main_~#t2533~0.offset=|v_ULTIMATE.start_main_~#t2533~0.offset_9|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2533~0.base, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t2533~0.offset] {678#(<= ~y~0 0)} is VALID [2020-07-28 21:44:51,322 INFO L280 TraceCheckUtils]: 5: Hoare triple {678#(<= ~y~0 0)} [167] L772-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#in~arg.base_3|) (= 0 |v_P2Thread1of1ForFork2_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_3|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_3, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_3, P2Thread1of1ForFork2_thidvar0=v_P2Thread1of1ForFork2_thidvar0_2, P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_3|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_3|, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_3|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#in~arg.offset, P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, P2Thread1of1ForFork2_thidvar0, P2Thread1of1ForFork2_#res.base, P2Thread1of1ForFork2_#in~arg.base, P2Thread1of1ForFork2_#res.offset] {678#(<= ~y~0 0)} is VALID [2020-07-28 21:44:51,324 INFO L280 TraceCheckUtils]: 6: Hoare triple {678#(<= ~y~0 0)} [207] L772-1-->L2: Formula: (and (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_95))) (or (and (= 1 v_~main$tmp_guard0~0_21) .cse0) (and (= 0 v_~main$tmp_guard0~0_21) (not .cse0)))) (= (mod v_~main$tmp_guard0~0_21 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_5|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_95} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_5|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_13, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_13|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_95, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_21} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {678#(<= ~y~0 0)} is VALID [2020-07-28 21:44:51,326 INFO L280 TraceCheckUtils]: 7: Hoare triple {678#(<= ~y~0 0)} [221] L2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 2 v_~z~0_48) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_26)) (= 0 v_~__unbuffered_p0_EAX~0_43) (= v_ULTIMATE.start_assume_abort_if_not_~cond_26 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_16|) (= 0 v_~main$tmp_guard1~0_36) (= (mod v_~main$tmp_guard1~0_36 256) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_15|) (= 2 v_~y~0_48) (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_14)) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_16|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_43, ~z~0=v_~z~0_48, ~y~0=v_~y~0_48} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_16|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_43, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_14, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_26, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_36, ~z~0=v_~z~0_48, ~y~0=v_~y~0_48, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_15|} 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 21:44:51,328 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 21:44:51,329 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552712871] [2020-07-28 21:44:51,330 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:44:51,330 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-07-28 21:44:51,331 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576166937] [2020-07-28 21:44:51,337 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-07-28 21:44:51,338 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:44:51,342 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 21:44:51,361 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 21:44:51,361 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 21:44:51,361 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:44:51,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 21:44:51,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 21:44:51,374 INFO L87 Difference]: Start difference. First operand 298 states. Second operand 3 states. [2020-07-28 21:44:51,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:44:51,517 INFO L93 Difference]: Finished difference Result 290 states and 834 transitions. [2020-07-28 21:44:51,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 21:44:51,517 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-07-28 21:44:51,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:44:51,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 21:44:51,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 29 transitions. [2020-07-28 21:44:51,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 21:44:51,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 29 transitions. [2020-07-28 21:44:51,522 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 29 transitions. [2020-07-28 21:44:51,559 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 21:44:51,587 INFO L225 Difference]: With dead ends: 290 [2020-07-28 21:44:51,587 INFO L226 Difference]: Without dead ends: 226 [2020-07-28 21:44:51,589 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 21:44:51,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-07-28 21:44:51,645 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,647 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,647 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,647 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,648 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,648 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,651 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,651 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,651 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,651 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,652 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,652 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,653 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,653 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,653 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,654 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,654 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,654 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,654 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,655 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,655 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,655 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,655 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,656 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,656 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,656 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,656 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,657 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,657 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,657 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,657 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,658 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,659 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,659 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,659 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,659 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,660 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,660 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,660 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,660 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,661 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,661 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,661 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,661 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,662 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,662 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,662 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,662 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,663 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,663 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,663 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,663 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,664 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,664 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,664 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,665 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,665 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,665 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,665 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,666 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,666 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,666 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,667 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,667 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,667 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,667 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,668 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,668 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,668 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,668 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,669 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,669 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,669 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,669 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,670 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,670 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,670 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,670 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,670 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,671 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,671 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,671 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,673 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,673 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,674 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,676 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,677 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,677 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,677 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,677 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,678 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,678 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,678 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,678 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,679 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,679 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,680 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,680 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,681 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,681 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,681 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,682 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,682 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,682 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,682 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,682 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,683 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,683 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,684 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,684 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,684 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,684 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,685 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,685 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,685 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,685 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,686 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,686 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,686 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,686 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,691 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,692 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,692 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,692 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,692 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,693 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,693 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,693 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,694 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,694 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,694 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,695 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,702 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,702 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,702 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,703 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,703 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,705 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,705 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,705 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,705 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,706 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,706 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,706 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,706 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,706 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,707 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,707 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,707 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,707 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,708 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,708 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,708 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,708 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,709 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,709 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,709 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,709 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,709 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,710 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,710 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,710 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,710 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,711 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,712 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,712 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,712 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,712 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,713 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,713 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,713 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,713 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,714 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,714 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,715 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,715 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,716 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,716 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,716 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,716 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,717 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,717 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,717 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,717 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,718 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,718 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,718 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,718 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,718 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,719 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,719 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,719 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,719 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,720 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,720 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,720 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,720 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,721 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,721 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,721 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,721 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,722 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,722 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,722 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,722 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,723 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,723 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,723 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,723 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,727 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,727 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,728 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,728 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,728 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,728 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,729 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,729 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,729 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,730 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,730 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,730 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,731 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,731 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,732 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,732 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,732 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:51,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2020-07-28 21:44:51,733 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:44:51,734 INFO L82 GeneralOperation]: Start isEquivalent. First operand 226 states. Second operand 226 states. [2020-07-28 21:44:51,735 INFO L74 IsIncluded]: Start isIncluded. First operand 226 states. Second operand 226 states. [2020-07-28 21:44:51,735 INFO L87 Difference]: Start difference. First operand 226 states. Second operand 226 states. [2020-07-28 21:44:51,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:44:51,768 INFO L93 Difference]: Finished difference Result 226 states and 626 transitions. [2020-07-28 21:44:51,769 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 626 transitions. [2020-07-28 21:44:51,780 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:44:51,780 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:44:51,780 INFO L74 IsIncluded]: Start isIncluded. First operand 226 states. Second operand 226 states. [2020-07-28 21:44:51,780 INFO L87 Difference]: Start difference. First operand 226 states. Second operand 226 states. [2020-07-28 21:44:51,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:44:51,805 INFO L93 Difference]: Finished difference Result 226 states and 626 transitions. [2020-07-28 21:44:51,805 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 626 transitions. [2020-07-28 21:44:51,808 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:44:51,808 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:44:51,808 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:44:51,808 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:44:51,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-07-28 21:44:51,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 626 transitions. [2020-07-28 21:44:51,831 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 626 transitions. Word has length 8 [2020-07-28 21:44:51,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:44:51,831 INFO L479 AbstractCegarLoop]: Abstraction has 226 states and 626 transitions. [2020-07-28 21:44:51,832 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 21:44:51,832 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 626 transitions. [2020-07-28 21:44:51,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-07-28 21:44:51,833 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:44:51,833 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:44:51,833 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 21:44:51,833 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:44:51,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:44:51,834 INFO L82 PathProgramCache]: Analyzing trace with hash 824029864, now seen corresponding path program 1 times [2020-07-28 21:44:51,834 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:44:51,837 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950656443] [2020-07-28 21:44:51,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:44:51,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:44:51,959 INFO L280 TraceCheckUtils]: 0: Hoare triple {1875#true} [220] ULTIMATE.startENTRY-->L768: Formula: (let ((.cse0 (store |v_#valid_49| 0 0))) (and (= 0 v_~z~0_45) (= v_~__unbuffered_cnt~0_146 0) (= 0 v_~x~0_21) (= 0 v_~main$tmp_guard0~0_30) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t2531~0.base_18|)) (= 0 v_~main$tmp_guard1~0_33) (= (store |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2531~0.base_18| (store (select |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2531~0.base_18|) |v_ULTIMATE.start_main_~#t2531~0.offset_15| 0)) |v_#memory_int_17|) (= 0 |v_ULTIMATE.start_main_~#t2531~0.offset_15|) (= (store .cse0 |v_ULTIMATE.start_main_~#t2531~0.base_18| 1) |v_#valid_47|) (= 0 v_~__unbuffered_p0_EAX~0_39) (= 0 |v_#NULL.offset_4|) (= |v_#length_21| (store |v_#length_22| |v_ULTIMATE.start_main_~#t2531~0.base_18| 4)) (< 0 |v_#StackHeapBarrier_15|) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2531~0.base_18|) (= 0 v_~y~0_45) (= 0 |v_#NULL.base_4|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_49|, #memory_int=|v_#memory_int_18|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_~#t2533~0.base=|v_ULTIMATE.start_main_~#t2533~0.base_15|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_22|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_8|, #NULL.offset=|v_#NULL.offset_4|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_33, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_30, ULTIMATE.start_main_~#t2531~0.base=|v_ULTIMATE.start_main_~#t2531~0.base_18|, ULTIMATE.start_main_~#t2531~0.offset=|v_ULTIMATE.start_main_~#t2531~0.offset_15|, #NULL.base=|v_#NULL.base_4|, ULTIMATE.start_main_~#t2533~0.offset=|v_ULTIMATE.start_main_~#t2533~0.offset_13|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_39, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_14|, #valid=|v_#valid_47|, #memory_int=|v_#memory_int_17|, ULTIMATE.start_main_~#t2532~0.offset=|v_ULTIMATE.start_main_~#t2532~0.offset_13|, ULTIMATE.start_main_~#t2532~0.base=|v_ULTIMATE.start_main_~#t2532~0.base_15|, #length=|v_#length_21|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_146, ~z~0=v_~z~0_45, ~y~0=v_~y~0_45, ~x~0=v_~x~0_21} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2533~0.base, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, ULTIMATE.start_main_~#t2531~0.base, ULTIMATE.start_main_~#t2531~0.offset, #NULL.base, ULTIMATE.start_main_~#t2533~0.offset, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_#res, #valid, #memory_int, ULTIMATE.start_main_~#t2532~0.offset, ULTIMATE.start_main_~#t2532~0.base, #length, ~__unbuffered_cnt~0, ~z~0, ~y~0, ~x~0] {1877#(= 0 ~z~0)} is VALID [2020-07-28 21:44:51,960 INFO L280 TraceCheckUtils]: 1: Hoare triple {1877#(= 0 ~z~0)} [163] L768-->P0ENTRY: Formula: (and (= 0 v_P0Thread1of1ForFork0_thidvar0_2) (= 0 |v_P0Thread1of1ForFork0_#in~arg.base_3|) (= 0 |v_P0Thread1of1ForFork0_#in~arg.offset_3|)) InVars {} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_3|, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_3|, P0Thread1of1ForFork0_thidvar0=v_P0Thread1of1ForFork0_thidvar0_2, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_3|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_3|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_3, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_3} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#in~arg.offset, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_thidvar0, P0Thread1of1ForFork0_#in~arg.base, P0Thread1of1ForFork0_#res.base, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {1877#(= 0 ~z~0)} is VALID [2020-07-28 21:44:51,960 INFO L280 TraceCheckUtils]: 2: Hoare triple {1877#(= 0 ~z~0)} [201] L768-1-->L770: Formula: (and (not (= 0 |v_ULTIMATE.start_main_~#t2532~0.base_10|)) (= |v_#memory_int_11| (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2532~0.base_10| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2532~0.base_10|) |v_ULTIMATE.start_main_~#t2532~0.offset_9| 1))) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t2532~0.base_10|) (= 0 |v_ULTIMATE.start_main_~#t2532~0.offset_9|) (= |v_#valid_31| (store |v_#valid_32| |v_ULTIMATE.start_main_~#t2532~0.base_10| 1)) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t2532~0.base_10| 4)) (= 0 (select |v_#valid_32| |v_ULTIMATE.start_main_~#t2532~0.base_10|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_32|, #memory_int=|v_#memory_int_12|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_31|, #memory_int=|v_#memory_int_11|, ULTIMATE.start_main_~#t2532~0.offset=|v_ULTIMATE.start_main_~#t2532~0.offset_9|, ULTIMATE.start_main_~#t2532~0.base=|v_ULTIMATE.start_main_~#t2532~0.base_10|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, ULTIMATE.start_main_~#t2532~0.offset, ULTIMATE.start_main_~#t2532~0.base, #length] {1877#(= 0 ~z~0)} is VALID [2020-07-28 21:44:51,961 INFO L280 TraceCheckUtils]: 3: Hoare triple {1877#(= 0 ~z~0)} [165] L770-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork1_thidvar0_2) (= 0 |v_P1Thread1of1ForFork1_#in~arg.base_3|) (= 0 |v_P1Thread1of1ForFork1_#in~arg.offset_3|)) InVars {} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_3, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_3|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_3, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_3|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_3|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_3|, P1Thread1of1ForFork1_thidvar0=v_P1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_#res.offset, P1Thread1of1ForFork1_~arg.base, P1Thread1of1ForFork1_#in~arg.base, P1Thread1of1ForFork1_#in~arg.offset, P1Thread1of1ForFork1_#res.base, P1Thread1of1ForFork1_thidvar0] {1877#(= 0 ~z~0)} is VALID [2020-07-28 21:44:51,962 INFO L280 TraceCheckUtils]: 4: Hoare triple {1877#(= 0 ~z~0)} [200] L770-1-->L772: Formula: (and (not (= 0 |v_ULTIMATE.start_main_~#t2533~0.base_10|)) (= 0 (select |v_#valid_30| |v_ULTIMATE.start_main_~#t2533~0.base_10|)) (= (store |v_#valid_30| |v_ULTIMATE.start_main_~#t2533~0.base_10| 1) |v_#valid_29|) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t2533~0.base_10|) (= (store |v_#length_14| |v_ULTIMATE.start_main_~#t2533~0.base_10| 4) |v_#length_13|) (= 0 |v_ULTIMATE.start_main_~#t2533~0.offset_9|) (= |v_#memory_int_9| (store |v_#memory_int_10| |v_ULTIMATE.start_main_~#t2533~0.base_10| (store (select |v_#memory_int_10| |v_ULTIMATE.start_main_~#t2533~0.base_10|) |v_ULTIMATE.start_main_~#t2533~0.offset_9| 2)))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_30|, #memory_int=|v_#memory_int_10|, #length=|v_#length_14|} OutVars{ULTIMATE.start_main_~#t2533~0.base=|v_ULTIMATE.start_main_~#t2533~0.base_10|, #StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_29|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_9|, #length=|v_#length_13|, ULTIMATE.start_main_~#t2533~0.offset=|v_ULTIMATE.start_main_~#t2533~0.offset_9|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2533~0.base, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t2533~0.offset] {1877#(= 0 ~z~0)} is VALID [2020-07-28 21:44:51,963 INFO L280 TraceCheckUtils]: 5: Hoare triple {1877#(= 0 ~z~0)} [167] L772-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#in~arg.base_3|) (= 0 |v_P2Thread1of1ForFork2_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_3|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_3, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_3, P2Thread1of1ForFork2_thidvar0=v_P2Thread1of1ForFork2_thidvar0_2, P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_3|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_3|, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_3|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#in~arg.offset, P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, P2Thread1of1ForFork2_thidvar0, P2Thread1of1ForFork2_#res.base, P2Thread1of1ForFork2_#in~arg.base, P2Thread1of1ForFork2_#res.offset] {1877#(= 0 ~z~0)} is VALID [2020-07-28 21:44:51,963 INFO L280 TraceCheckUtils]: 6: Hoare triple {1877#(= 0 ~z~0)} [189] P2ENTRY-->L745: Formula: (and (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= 2 v_~y~0_20) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4)) InVars {P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_4, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_4, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_20} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~y~0] {1877#(= 0 ~z~0)} is VALID [2020-07-28 21:44:51,964 INFO L280 TraceCheckUtils]: 7: Hoare triple {1877#(= 0 ~z~0)} [207] L772-1-->L2: Formula: (and (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_95))) (or (and (= 1 v_~main$tmp_guard0~0_21) .cse0) (and (= 0 v_~main$tmp_guard0~0_21) (not .cse0)))) (= (mod v_~main$tmp_guard0~0_21 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_5|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_95} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_5|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_13, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_13|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_95, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_21} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {1877#(= 0 ~z~0)} is VALID [2020-07-28 21:44:51,965 INFO L280 TraceCheckUtils]: 8: Hoare triple {1877#(= 0 ~z~0)} [221] L2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 2 v_~z~0_48) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_26)) (= 0 v_~__unbuffered_p0_EAX~0_43) (= v_ULTIMATE.start_assume_abort_if_not_~cond_26 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_16|) (= 0 v_~main$tmp_guard1~0_36) (= (mod v_~main$tmp_guard1~0_36 256) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_15|) (= 2 v_~y~0_48) (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_14)) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_16|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_43, ~z~0=v_~z~0_48, ~y~0=v_~y~0_48} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_16|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_43, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_14, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_26, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_36, ~z~0=v_~z~0_48, ~y~0=v_~y~0_48, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_15|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {1876#false} is VALID [2020-07-28 21:44:51,966 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 21:44:51,966 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950656443] [2020-07-28 21:44:51,966 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:44:51,966 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-07-28 21:44:51,967 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331715790] [2020-07-28 21:44:51,968 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-07-28 21:44:51,968 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:44:51,969 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 21:44:51,982 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 9 edges. 9 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:44:51,982 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 21:44:51,982 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:44:51,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 21:44:51,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 21:44:51,985 INFO L87 Difference]: Start difference. First operand 226 states and 626 transitions. Second operand 3 states. [2020-07-28 21:44:52,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:44:52,037 INFO L93 Difference]: Finished difference Result 220 states and 604 transitions. [2020-07-28 21:44:52,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 21:44:52,037 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-07-28 21:44:52,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:44:52,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 21:44:52,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 29 transitions. [2020-07-28 21:44:52,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 21:44:52,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 29 transitions. [2020-07-28 21:44:52,039 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 29 transitions. [2020-07-28 21:44:52,076 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 21:44:52,082 INFO L225 Difference]: With dead ends: 220 [2020-07-28 21:44:52,083 INFO L226 Difference]: Without dead ends: 220 [2020-07-28 21:44:52,084 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 21:44:52,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2020-07-28 21:44:52,094 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,094 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,095 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,095 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,095 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,095 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,095 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,096 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,096 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,096 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,096 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,096 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,097 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,097 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,097 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,097 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,097 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,098 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,098 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,098 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,098 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,098 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,099 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,099 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,099 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,099 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,099 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,100 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,100 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,100 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,100 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,100 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,101 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,101 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,101 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,101 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,102 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,102 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,102 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,102 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,102 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,103 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,103 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,103 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,103 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,103 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,104 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,104 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,104 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,104 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,105 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,105 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,105 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,105 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,105 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,106 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,106 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,106 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,106 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,106 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,107 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,107 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,107 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,107 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,107 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,108 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,108 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,108 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,108 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,108 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,109 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,109 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,109 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,109 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,109 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,110 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,110 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,110 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,110 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,110 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,111 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,111 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,111 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,111 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,111 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,112 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,112 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,112 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,112 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,112 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,113 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,113 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,113 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,113 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,114 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,114 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,114 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,114 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,114 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,115 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,115 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,115 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,115 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,115 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,116 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,116 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,116 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,116 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,116 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,117 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,117 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,117 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,117 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,117 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,118 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,118 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,118 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,118 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,118 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,119 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,119 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,119 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,119 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,119 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,120 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,120 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,120 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,120 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,121 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,121 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,121 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,121 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,121 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,122 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,122 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,122 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,122 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,123 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,123 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,123 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,123 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,123 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,124 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,124 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,124 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,124 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,124 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,125 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,125 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,125 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,125 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,125 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,126 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,126 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,126 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,126 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,126 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,127 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,127 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,127 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,127 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,128 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,128 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,128 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,128 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,128 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,129 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,129 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,129 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,129 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,129 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,130 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,130 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,130 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,130 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,131 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,131 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,131 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,131 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,131 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,132 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,132 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,132 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,132 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,133 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,133 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,133 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,133 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,133 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,134 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,134 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,134 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,134 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,134 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,135 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,135 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,135 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,135 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,136 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,136 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,136 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,136 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,136 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,136 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,137 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,137 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,137 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,137 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,138 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,138 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,138 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,139 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,139 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,139 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,139 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,140 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,140 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,140 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,141 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,141 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 220. [2020-07-28 21:44:52,141 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:44:52,141 INFO L82 GeneralOperation]: Start isEquivalent. First operand 220 states. Second operand 220 states. [2020-07-28 21:44:52,142 INFO L74 IsIncluded]: Start isIncluded. First operand 220 states. Second operand 220 states. [2020-07-28 21:44:52,142 INFO L87 Difference]: Start difference. First operand 220 states. Second operand 220 states. [2020-07-28 21:44:52,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:44:52,156 INFO L93 Difference]: Finished difference Result 220 states and 604 transitions. [2020-07-28 21:44:52,156 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 604 transitions. [2020-07-28 21:44:52,157 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:44:52,157 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:44:52,157 INFO L74 IsIncluded]: Start isIncluded. First operand 220 states. Second operand 220 states. [2020-07-28 21:44:52,157 INFO L87 Difference]: Start difference. First operand 220 states. Second operand 220 states. [2020-07-28 21:44:52,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:44:52,171 INFO L93 Difference]: Finished difference Result 220 states and 604 transitions. [2020-07-28 21:44:52,171 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 604 transitions. [2020-07-28 21:44:52,172 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:44:52,172 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:44:52,172 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:44:52,173 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:44:52,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-07-28 21:44:52,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 604 transitions. [2020-07-28 21:44:52,186 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 604 transitions. Word has length 9 [2020-07-28 21:44:52,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:44:52,186 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 604 transitions. [2020-07-28 21:44:52,186 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 21:44:52,187 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 604 transitions. [2020-07-28 21:44:52,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-07-28 21:44:52,187 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:44:52,187 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:44:52,188 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 21:44:52,188 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:44:52,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:44:52,188 INFO L82 PathProgramCache]: Analyzing trace with hash -224925294, now seen corresponding path program 1 times [2020-07-28 21:44:52,189 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:44:52,189 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326110428] [2020-07-28 21:44:52,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:44:52,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:44:52,311 INFO L280 TraceCheckUtils]: 0: Hoare triple {2980#true} [220] ULTIMATE.startENTRY-->L768: Formula: (let ((.cse0 (store |v_#valid_49| 0 0))) (and (= 0 v_~z~0_45) (= v_~__unbuffered_cnt~0_146 0) (= 0 v_~x~0_21) (= 0 v_~main$tmp_guard0~0_30) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t2531~0.base_18|)) (= 0 v_~main$tmp_guard1~0_33) (= (store |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2531~0.base_18| (store (select |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2531~0.base_18|) |v_ULTIMATE.start_main_~#t2531~0.offset_15| 0)) |v_#memory_int_17|) (= 0 |v_ULTIMATE.start_main_~#t2531~0.offset_15|) (= (store .cse0 |v_ULTIMATE.start_main_~#t2531~0.base_18| 1) |v_#valid_47|) (= 0 v_~__unbuffered_p0_EAX~0_39) (= 0 |v_#NULL.offset_4|) (= |v_#length_21| (store |v_#length_22| |v_ULTIMATE.start_main_~#t2531~0.base_18| 4)) (< 0 |v_#StackHeapBarrier_15|) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2531~0.base_18|) (= 0 v_~y~0_45) (= 0 |v_#NULL.base_4|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_49|, #memory_int=|v_#memory_int_18|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_~#t2533~0.base=|v_ULTIMATE.start_main_~#t2533~0.base_15|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_22|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_8|, #NULL.offset=|v_#NULL.offset_4|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_33, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_30, ULTIMATE.start_main_~#t2531~0.base=|v_ULTIMATE.start_main_~#t2531~0.base_18|, ULTIMATE.start_main_~#t2531~0.offset=|v_ULTIMATE.start_main_~#t2531~0.offset_15|, #NULL.base=|v_#NULL.base_4|, ULTIMATE.start_main_~#t2533~0.offset=|v_ULTIMATE.start_main_~#t2533~0.offset_13|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_39, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_14|, #valid=|v_#valid_47|, #memory_int=|v_#memory_int_17|, ULTIMATE.start_main_~#t2532~0.offset=|v_ULTIMATE.start_main_~#t2532~0.offset_13|, ULTIMATE.start_main_~#t2532~0.base=|v_ULTIMATE.start_main_~#t2532~0.base_15|, #length=|v_#length_21|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_146, ~z~0=v_~z~0_45, ~y~0=v_~y~0_45, ~x~0=v_~x~0_21} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2533~0.base, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, ULTIMATE.start_main_~#t2531~0.base, ULTIMATE.start_main_~#t2531~0.offset, #NULL.base, ULTIMATE.start_main_~#t2533~0.offset, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_#res, #valid, #memory_int, ULTIMATE.start_main_~#t2532~0.offset, ULTIMATE.start_main_~#t2532~0.base, #length, ~__unbuffered_cnt~0, ~z~0, ~y~0, ~x~0] {2982#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:44:52,312 INFO L280 TraceCheckUtils]: 1: Hoare triple {2982#(= 0 ~__unbuffered_cnt~0)} [163] L768-->P0ENTRY: Formula: (and (= 0 v_P0Thread1of1ForFork0_thidvar0_2) (= 0 |v_P0Thread1of1ForFork0_#in~arg.base_3|) (= 0 |v_P0Thread1of1ForFork0_#in~arg.offset_3|)) InVars {} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_3|, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_3|, P0Thread1of1ForFork0_thidvar0=v_P0Thread1of1ForFork0_thidvar0_2, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_3|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_3|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_3, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_3} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#in~arg.offset, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_thidvar0, P0Thread1of1ForFork0_#in~arg.base, P0Thread1of1ForFork0_#res.base, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {2982#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:44:52,313 INFO L280 TraceCheckUtils]: 2: Hoare triple {2982#(= 0 ~__unbuffered_cnt~0)} [201] L768-1-->L770: Formula: (and (not (= 0 |v_ULTIMATE.start_main_~#t2532~0.base_10|)) (= |v_#memory_int_11| (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2532~0.base_10| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2532~0.base_10|) |v_ULTIMATE.start_main_~#t2532~0.offset_9| 1))) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t2532~0.base_10|) (= 0 |v_ULTIMATE.start_main_~#t2532~0.offset_9|) (= |v_#valid_31| (store |v_#valid_32| |v_ULTIMATE.start_main_~#t2532~0.base_10| 1)) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t2532~0.base_10| 4)) (= 0 (select |v_#valid_32| |v_ULTIMATE.start_main_~#t2532~0.base_10|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_32|, #memory_int=|v_#memory_int_12|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_31|, #memory_int=|v_#memory_int_11|, ULTIMATE.start_main_~#t2532~0.offset=|v_ULTIMATE.start_main_~#t2532~0.offset_9|, ULTIMATE.start_main_~#t2532~0.base=|v_ULTIMATE.start_main_~#t2532~0.base_10|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, ULTIMATE.start_main_~#t2532~0.offset, ULTIMATE.start_main_~#t2532~0.base, #length] {2982#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:44:52,313 INFO L280 TraceCheckUtils]: 3: Hoare triple {2982#(= 0 ~__unbuffered_cnt~0)} [165] L770-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork1_thidvar0_2) (= 0 |v_P1Thread1of1ForFork1_#in~arg.base_3|) (= 0 |v_P1Thread1of1ForFork1_#in~arg.offset_3|)) InVars {} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_3, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_3|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_3, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_3|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_3|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_3|, P1Thread1of1ForFork1_thidvar0=v_P1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_#res.offset, P1Thread1of1ForFork1_~arg.base, P1Thread1of1ForFork1_#in~arg.base, P1Thread1of1ForFork1_#in~arg.offset, P1Thread1of1ForFork1_#res.base, P1Thread1of1ForFork1_thidvar0] {2982#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:44:52,314 INFO L280 TraceCheckUtils]: 4: Hoare triple {2982#(= 0 ~__unbuffered_cnt~0)} [200] L770-1-->L772: Formula: (and (not (= 0 |v_ULTIMATE.start_main_~#t2533~0.base_10|)) (= 0 (select |v_#valid_30| |v_ULTIMATE.start_main_~#t2533~0.base_10|)) (= (store |v_#valid_30| |v_ULTIMATE.start_main_~#t2533~0.base_10| 1) |v_#valid_29|) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t2533~0.base_10|) (= (store |v_#length_14| |v_ULTIMATE.start_main_~#t2533~0.base_10| 4) |v_#length_13|) (= 0 |v_ULTIMATE.start_main_~#t2533~0.offset_9|) (= |v_#memory_int_9| (store |v_#memory_int_10| |v_ULTIMATE.start_main_~#t2533~0.base_10| (store (select |v_#memory_int_10| |v_ULTIMATE.start_main_~#t2533~0.base_10|) |v_ULTIMATE.start_main_~#t2533~0.offset_9| 2)))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_30|, #memory_int=|v_#memory_int_10|, #length=|v_#length_14|} OutVars{ULTIMATE.start_main_~#t2533~0.base=|v_ULTIMATE.start_main_~#t2533~0.base_10|, #StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_29|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_9|, #length=|v_#length_13|, ULTIMATE.start_main_~#t2533~0.offset=|v_ULTIMATE.start_main_~#t2533~0.offset_9|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2533~0.base, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t2533~0.offset] {2982#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:44:52,315 INFO L280 TraceCheckUtils]: 5: Hoare triple {2982#(= 0 ~__unbuffered_cnt~0)} [167] L772-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#in~arg.base_3|) (= 0 |v_P2Thread1of1ForFork2_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_3|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_3, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_3, P2Thread1of1ForFork2_thidvar0=v_P2Thread1of1ForFork2_thidvar0_2, P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_3|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_3|, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_3|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#in~arg.offset, P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, P2Thread1of1ForFork2_thidvar0, P2Thread1of1ForFork2_#res.base, P2Thread1of1ForFork2_#in~arg.base, P2Thread1of1ForFork2_#res.offset] {2982#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:44:52,316 INFO L280 TraceCheckUtils]: 6: Hoare triple {2982#(= 0 ~__unbuffered_cnt~0)} [188] P0ENTRY-->L713: Formula: (and (= 2 v_~z~0_20) (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= v_P0Thread1of1ForFork0_~arg.base_4 |v_P0Thread1of1ForFork0_#in~arg.base_4|)) InVars {P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~z~0=v_~z~0_20, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_4, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_4} AuxVars[] AssignedVars[~z~0, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {2982#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:44:52,316 INFO L280 TraceCheckUtils]: 7: Hoare triple {2982#(= 0 ~__unbuffered_cnt~0)} [189] P2ENTRY-->L745: Formula: (and (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= 2 v_~y~0_20) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4)) InVars {P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_4, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_4, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_20} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~y~0] {2982#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:44:52,318 INFO L280 TraceCheckUtils]: 8: Hoare triple {2982#(= 0 ~__unbuffered_cnt~0)} [207] L772-1-->L2: Formula: (and (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_95))) (or (and (= 1 v_~main$tmp_guard0~0_21) .cse0) (and (= 0 v_~main$tmp_guard0~0_21) (not .cse0)))) (= (mod v_~main$tmp_guard0~0_21 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_5|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_95} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_5|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_13, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_13|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_95, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_21} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {2983#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond|))} is VALID [2020-07-28 21:44:52,319 INFO L280 TraceCheckUtils]: 9: Hoare triple {2983#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond|))} [221] L2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 2 v_~z~0_48) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_26)) (= 0 v_~__unbuffered_p0_EAX~0_43) (= v_ULTIMATE.start_assume_abort_if_not_~cond_26 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_16|) (= 0 v_~main$tmp_guard1~0_36) (= (mod v_~main$tmp_guard1~0_36 256) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_15|) (= 2 v_~y~0_48) (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_14)) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_16|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_43, ~z~0=v_~z~0_48, ~y~0=v_~y~0_48} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_16|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_43, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_14, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_26, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_36, ~z~0=v_~z~0_48, ~y~0=v_~y~0_48, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_15|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {2981#false} is VALID [2020-07-28 21:44:52,320 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 21:44:52,320 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326110428] [2020-07-28 21:44:52,320 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:44:52,321 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 21:44:52,321 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707145204] [2020-07-28 21:44:52,323 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-07-28 21:44:52,323 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:44:52,323 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 21:44:52,341 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 21:44:52,341 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 21:44:52,341 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:44:52,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 21:44:52,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 21:44:52,342 INFO L87 Difference]: Start difference. First operand 220 states and 604 transitions. Second operand 4 states. [2020-07-28 21:44:52,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:44:52,478 INFO L93 Difference]: Finished difference Result 240 states and 599 transitions. [2020-07-28 21:44:52,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 21:44:52,479 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-07-28 21:44:52,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:44:52,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:44:52,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 51 transitions. [2020-07-28 21:44:52,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:44:52,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 51 transitions. [2020-07-28 21:44:52,482 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 51 transitions. [2020-07-28 21:44:52,545 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:44:52,549 INFO L225 Difference]: With dead ends: 240 [2020-07-28 21:44:52,549 INFO L226 Difference]: Without dead ends: 176 [2020-07-28 21:44:52,550 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 21:44:52,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2020-07-28 21:44:52,555 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,556 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,556 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,556 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,557 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,557 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,557 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,557 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,558 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,558 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,558 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,559 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,559 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,559 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,559 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,560 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,560 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,560 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,560 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,561 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,561 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,561 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,561 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,562 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,562 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,562 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,562 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,563 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,563 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,563 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,563 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,564 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,564 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,564 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,564 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,565 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,565 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,565 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,565 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,566 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,566 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,566 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,566 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,567 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,567 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,567 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,567 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,568 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,568 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,568 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,568 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,569 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,569 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,569 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,569 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,570 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,570 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,570 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,570 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,571 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,571 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,571 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,571 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,572 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,572 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,572 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,572 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,573 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,573 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,573 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,573 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,574 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,574 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,574 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,574 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,575 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,575 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,575 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,576 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,576 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,576 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,576 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,577 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,577 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,577 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,577 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,578 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,578 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,578 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,578 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,579 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,579 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,579 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,579 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,580 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,580 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,580 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,580 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,581 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,581 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,581 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,581 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,582 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,582 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,582 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,582 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,583 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,583 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,583 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,583 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,584 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,584 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,584 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,584 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,585 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,585 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,585 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,585 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,585 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,586 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,586 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,586 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,587 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,587 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,587 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,587 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,588 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,588 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,588 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,588 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,589 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,589 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,589 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,589 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,590 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,590 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,590 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,590 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,591 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,591 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,591 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,591 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,592 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,592 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,592 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,592 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,593 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,593 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,593 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,593 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,594 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,594 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,594 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,594 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,595 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,595 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,595 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,596 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,596 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,596 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,596 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,597 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,597 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,597 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,597 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,598 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,598 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,598 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,599 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,599 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,599 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,599 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,600 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,600 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,600 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,601 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2020-07-28 21:44:52,602 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:44:52,602 INFO L82 GeneralOperation]: Start isEquivalent. First operand 176 states. Second operand 176 states. [2020-07-28 21:44:52,602 INFO L74 IsIncluded]: Start isIncluded. First operand 176 states. Second operand 176 states. [2020-07-28 21:44:52,602 INFO L87 Difference]: Start difference. First operand 176 states. Second operand 176 states. [2020-07-28 21:44:52,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:44:52,612 INFO L93 Difference]: Finished difference Result 176 states and 428 transitions. [2020-07-28 21:44:52,612 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 428 transitions. [2020-07-28 21:44:52,612 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:44:52,613 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:44:52,613 INFO L74 IsIncluded]: Start isIncluded. First operand 176 states. Second operand 176 states. [2020-07-28 21:44:52,613 INFO L87 Difference]: Start difference. First operand 176 states. Second operand 176 states. [2020-07-28 21:44:52,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:44:52,622 INFO L93 Difference]: Finished difference Result 176 states and 428 transitions. [2020-07-28 21:44:52,622 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 428 transitions. [2020-07-28 21:44:52,623 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:44:52,623 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:44:52,623 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:44:52,623 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:44:52,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2020-07-28 21:44:52,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 428 transitions. [2020-07-28 21:44:52,632 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 428 transitions. Word has length 10 [2020-07-28 21:44:52,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:44:52,633 INFO L479 AbstractCegarLoop]: Abstraction has 176 states and 428 transitions. [2020-07-28 21:44:52,633 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 21:44:52,633 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 428 transitions. [2020-07-28 21:44:52,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-07-28 21:44:52,634 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:44:52,634 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:44:52,634 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 21:44:52,634 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:44:52,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:44:52,635 INFO L82 PathProgramCache]: Analyzing trace with hash 1617246421, now seen corresponding path program 1 times [2020-07-28 21:44:52,635 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:44:52,636 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350044659] [2020-07-28 21:44:52,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:44:52,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:44:52,677 INFO L280 TraceCheckUtils]: 0: Hoare triple {3932#true} [220] ULTIMATE.startENTRY-->L768: Formula: (let ((.cse0 (store |v_#valid_49| 0 0))) (and (= 0 v_~z~0_45) (= v_~__unbuffered_cnt~0_146 0) (= 0 v_~x~0_21) (= 0 v_~main$tmp_guard0~0_30) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t2531~0.base_18|)) (= 0 v_~main$tmp_guard1~0_33) (= (store |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2531~0.base_18| (store (select |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2531~0.base_18|) |v_ULTIMATE.start_main_~#t2531~0.offset_15| 0)) |v_#memory_int_17|) (= 0 |v_ULTIMATE.start_main_~#t2531~0.offset_15|) (= (store .cse0 |v_ULTIMATE.start_main_~#t2531~0.base_18| 1) |v_#valid_47|) (= 0 v_~__unbuffered_p0_EAX~0_39) (= 0 |v_#NULL.offset_4|) (= |v_#length_21| (store |v_#length_22| |v_ULTIMATE.start_main_~#t2531~0.base_18| 4)) (< 0 |v_#StackHeapBarrier_15|) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2531~0.base_18|) (= 0 v_~y~0_45) (= 0 |v_#NULL.base_4|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_49|, #memory_int=|v_#memory_int_18|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_~#t2533~0.base=|v_ULTIMATE.start_main_~#t2533~0.base_15|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_22|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_8|, #NULL.offset=|v_#NULL.offset_4|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_33, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_30, ULTIMATE.start_main_~#t2531~0.base=|v_ULTIMATE.start_main_~#t2531~0.base_18|, ULTIMATE.start_main_~#t2531~0.offset=|v_ULTIMATE.start_main_~#t2531~0.offset_15|, #NULL.base=|v_#NULL.base_4|, ULTIMATE.start_main_~#t2533~0.offset=|v_ULTIMATE.start_main_~#t2533~0.offset_13|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_39, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_14|, #valid=|v_#valid_47|, #memory_int=|v_#memory_int_17|, ULTIMATE.start_main_~#t2532~0.offset=|v_ULTIMATE.start_main_~#t2532~0.offset_13|, ULTIMATE.start_main_~#t2532~0.base=|v_ULTIMATE.start_main_~#t2532~0.base_15|, #length=|v_#length_21|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_146, ~z~0=v_~z~0_45, ~y~0=v_~y~0_45, ~x~0=v_~x~0_21} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2533~0.base, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, ULTIMATE.start_main_~#t2531~0.base, ULTIMATE.start_main_~#t2531~0.offset, #NULL.base, ULTIMATE.start_main_~#t2533~0.offset, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_#res, #valid, #memory_int, ULTIMATE.start_main_~#t2532~0.offset, ULTIMATE.start_main_~#t2532~0.base, #length, ~__unbuffered_cnt~0, ~z~0, ~y~0, ~x~0] {3932#true} is VALID [2020-07-28 21:44:52,677 INFO L280 TraceCheckUtils]: 1: Hoare triple {3932#true} [163] L768-->P0ENTRY: Formula: (and (= 0 v_P0Thread1of1ForFork0_thidvar0_2) (= 0 |v_P0Thread1of1ForFork0_#in~arg.base_3|) (= 0 |v_P0Thread1of1ForFork0_#in~arg.offset_3|)) InVars {} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_3|, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_3|, P0Thread1of1ForFork0_thidvar0=v_P0Thread1of1ForFork0_thidvar0_2, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_3|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_3|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_3, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_3} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#in~arg.offset, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_thidvar0, P0Thread1of1ForFork0_#in~arg.base, P0Thread1of1ForFork0_#res.base, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {3932#true} is VALID [2020-07-28 21:44:52,677 INFO L280 TraceCheckUtils]: 2: Hoare triple {3932#true} [201] L768-1-->L770: Formula: (and (not (= 0 |v_ULTIMATE.start_main_~#t2532~0.base_10|)) (= |v_#memory_int_11| (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2532~0.base_10| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2532~0.base_10|) |v_ULTIMATE.start_main_~#t2532~0.offset_9| 1))) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t2532~0.base_10|) (= 0 |v_ULTIMATE.start_main_~#t2532~0.offset_9|) (= |v_#valid_31| (store |v_#valid_32| |v_ULTIMATE.start_main_~#t2532~0.base_10| 1)) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t2532~0.base_10| 4)) (= 0 (select |v_#valid_32| |v_ULTIMATE.start_main_~#t2532~0.base_10|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_32|, #memory_int=|v_#memory_int_12|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_31|, #memory_int=|v_#memory_int_11|, ULTIMATE.start_main_~#t2532~0.offset=|v_ULTIMATE.start_main_~#t2532~0.offset_9|, ULTIMATE.start_main_~#t2532~0.base=|v_ULTIMATE.start_main_~#t2532~0.base_10|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, ULTIMATE.start_main_~#t2532~0.offset, ULTIMATE.start_main_~#t2532~0.base, #length] {3932#true} is VALID [2020-07-28 21:44:52,678 INFO L280 TraceCheckUtils]: 3: Hoare triple {3932#true} [165] L770-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork1_thidvar0_2) (= 0 |v_P1Thread1of1ForFork1_#in~arg.base_3|) (= 0 |v_P1Thread1of1ForFork1_#in~arg.offset_3|)) InVars {} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_3, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_3|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_3, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_3|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_3|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_3|, P1Thread1of1ForFork1_thidvar0=v_P1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_#res.offset, P1Thread1of1ForFork1_~arg.base, P1Thread1of1ForFork1_#in~arg.base, P1Thread1of1ForFork1_#in~arg.offset, P1Thread1of1ForFork1_#res.base, P1Thread1of1ForFork1_thidvar0] {3932#true} is VALID [2020-07-28 21:44:52,678 INFO L280 TraceCheckUtils]: 4: Hoare triple {3932#true} [200] L770-1-->L772: Formula: (and (not (= 0 |v_ULTIMATE.start_main_~#t2533~0.base_10|)) (= 0 (select |v_#valid_30| |v_ULTIMATE.start_main_~#t2533~0.base_10|)) (= (store |v_#valid_30| |v_ULTIMATE.start_main_~#t2533~0.base_10| 1) |v_#valid_29|) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t2533~0.base_10|) (= (store |v_#length_14| |v_ULTIMATE.start_main_~#t2533~0.base_10| 4) |v_#length_13|) (= 0 |v_ULTIMATE.start_main_~#t2533~0.offset_9|) (= |v_#memory_int_9| (store |v_#memory_int_10| |v_ULTIMATE.start_main_~#t2533~0.base_10| (store (select |v_#memory_int_10| |v_ULTIMATE.start_main_~#t2533~0.base_10|) |v_ULTIMATE.start_main_~#t2533~0.offset_9| 2)))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_30|, #memory_int=|v_#memory_int_10|, #length=|v_#length_14|} OutVars{ULTIMATE.start_main_~#t2533~0.base=|v_ULTIMATE.start_main_~#t2533~0.base_10|, #StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_29|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_9|, #length=|v_#length_13|, ULTIMATE.start_main_~#t2533~0.offset=|v_ULTIMATE.start_main_~#t2533~0.offset_9|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2533~0.base, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t2533~0.offset] {3932#true} is VALID [2020-07-28 21:44:52,679 INFO L280 TraceCheckUtils]: 5: Hoare triple {3932#true} [167] L772-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#in~arg.base_3|) (= 0 |v_P2Thread1of1ForFork2_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_3|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_3, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_3, P2Thread1of1ForFork2_thidvar0=v_P2Thread1of1ForFork2_thidvar0_2, P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_3|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_3|, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_3|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#in~arg.offset, P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, P2Thread1of1ForFork2_thidvar0, P2Thread1of1ForFork2_#res.base, P2Thread1of1ForFork2_#in~arg.base, P2Thread1of1ForFork2_#res.offset] {3932#true} is VALID [2020-07-28 21:44:52,679 INFO L280 TraceCheckUtils]: 6: Hoare triple {3932#true} [189] P2ENTRY-->L745: Formula: (and (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= 2 v_~y~0_20) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4)) InVars {P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_4, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_4, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_20} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~y~0] {3932#true} is VALID [2020-07-28 21:44:52,680 INFO L280 TraceCheckUtils]: 7: Hoare triple {3932#true} [158] L745-->L748: Formula: (= v_~z~0_2 1) InVars {} OutVars{~z~0=v_~z~0_2} AuxVars[] AssignedVars[~z~0] {3934#(= 1 ~z~0)} is VALID [2020-07-28 21:44:52,681 INFO L280 TraceCheckUtils]: 8: Hoare triple {3934#(= 1 ~z~0)} [203] L748-->P2EXIT: Formula: (and (= |v_P2Thread1of1ForFork2_#res.offset_5| 0) (= 0 |v_P2Thread1of1ForFork2_#res.base_5|) (= v_~__unbuffered_cnt~0_89 (+ v_~__unbuffered_cnt~0_90 1))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_90} OutVars{P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_89, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_5|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#res.base, ~__unbuffered_cnt~0, P2Thread1of1ForFork2_#res.offset] {3934#(= 1 ~z~0)} is VALID [2020-07-28 21:44:52,681 INFO L280 TraceCheckUtils]: 9: Hoare triple {3934#(= 1 ~z~0)} [207] L772-1-->L2: Formula: (and (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_95))) (or (and (= 1 v_~main$tmp_guard0~0_21) .cse0) (and (= 0 v_~main$tmp_guard0~0_21) (not .cse0)))) (= (mod v_~main$tmp_guard0~0_21 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_5|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_95} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_5|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_13, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_13|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_95, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_21} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {3934#(= 1 ~z~0)} is VALID [2020-07-28 21:44:52,682 INFO L280 TraceCheckUtils]: 10: Hoare triple {3934#(= 1 ~z~0)} [221] L2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 2 v_~z~0_48) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_26)) (= 0 v_~__unbuffered_p0_EAX~0_43) (= v_ULTIMATE.start_assume_abort_if_not_~cond_26 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_16|) (= 0 v_~main$tmp_guard1~0_36) (= (mod v_~main$tmp_guard1~0_36 256) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_15|) (= 2 v_~y~0_48) (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_14)) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_16|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_43, ~z~0=v_~z~0_48, ~y~0=v_~y~0_48} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_16|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_43, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_14, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_26, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_36, ~z~0=v_~z~0_48, ~y~0=v_~y~0_48, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_15|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {3933#false} is VALID [2020-07-28 21:44:52,683 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 21:44:52,683 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350044659] [2020-07-28 21:44:52,684 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:44:52,684 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 21:44:52,684 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418105597] [2020-07-28 21:44:52,684 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-07-28 21:44:52,685 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:44:52,685 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 21:44:52,698 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 21:44:52,698 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 21:44:52,699 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:44:52,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 21:44:52,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 21:44:52,700 INFO L87 Difference]: Start difference. First operand 176 states and 428 transitions. Second operand 3 states. [2020-07-28 21:44:52,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:44:52,756 INFO L93 Difference]: Finished difference Result 225 states and 522 transitions. [2020-07-28 21:44:52,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 21:44:52,756 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-07-28 21:44:52,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:44:52,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 21:44:52,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 26 transitions. [2020-07-28 21:44:52,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 21:44:52,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 26 transitions. [2020-07-28 21:44:52,759 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 26 transitions. [2020-07-28 21:44:52,792 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:44:52,796 INFO L225 Difference]: With dead ends: 225 [2020-07-28 21:44:52,796 INFO L226 Difference]: Without dead ends: 183 [2020-07-28 21:44:52,797 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 21:44:52,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2020-07-28 21:44:52,802 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,803 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,803 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,803 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,804 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,804 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,804 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,804 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,805 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,805 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,805 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,805 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,806 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,806 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,806 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,806 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,807 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,807 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,807 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,807 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,808 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,808 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,808 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,808 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,809 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,809 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,809 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,810 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,810 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,810 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,810 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,811 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,811 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,811 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,811 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,812 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,812 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,812 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,812 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,813 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,813 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,813 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,813 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,814 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,814 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,814 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,814 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,815 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,815 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,815 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,815 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,816 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,816 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,816 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,816 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,817 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,817 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,817 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,817 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,818 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,818 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,818 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,818 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,819 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,819 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,819 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,819 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,820 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,820 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,820 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,820 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,821 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,821 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,821 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,821 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,822 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,822 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,822 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,822 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,823 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,823 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,823 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,824 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,824 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,824 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,824 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,825 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,825 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,825 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,826 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,826 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,826 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,827 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,827 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,827 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,827 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,828 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,828 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,828 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,829 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,829 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,829 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,830 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,830 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,830 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,831 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,831 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,831 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,831 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,832 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,832 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,832 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,833 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,833 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,833 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,834 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,834 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,834 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,834 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,835 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,835 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,835 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,836 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,836 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,836 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,837 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,837 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,837 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,837 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,838 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,838 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,838 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,839 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,839 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,839 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,840 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,840 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,840 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,840 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,841 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,841 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,841 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,842 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,842 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,842 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,843 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,843 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,843 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,843 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,844 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,844 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,844 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,845 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,845 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,845 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,846 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,846 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,846 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,847 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,847 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,847 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,848 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,848 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,848 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,849 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,849 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,849 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,850 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,850 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,850 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,851 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:52,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 171. [2020-07-28 21:44:52,852 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:44:52,852 INFO L82 GeneralOperation]: Start isEquivalent. First operand 183 states. Second operand 171 states. [2020-07-28 21:44:52,852 INFO L74 IsIncluded]: Start isIncluded. First operand 183 states. Second operand 171 states. [2020-07-28 21:44:52,852 INFO L87 Difference]: Start difference. First operand 183 states. Second operand 171 states. [2020-07-28 21:44:52,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:44:52,859 INFO L93 Difference]: Finished difference Result 183 states and 412 transitions. [2020-07-28 21:44:52,860 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 412 transitions. [2020-07-28 21:44:52,860 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:44:52,861 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:44:52,861 INFO L74 IsIncluded]: Start isIncluded. First operand 171 states. Second operand 183 states. [2020-07-28 21:44:52,861 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 183 states. [2020-07-28 21:44:52,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:44:52,868 INFO L93 Difference]: Finished difference Result 183 states and 412 transitions. [2020-07-28 21:44:52,868 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 412 transitions. [2020-07-28 21:44:52,869 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:44:52,869 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:44:52,870 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:44:52,870 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:44:52,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2020-07-28 21:44:52,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 396 transitions. [2020-07-28 21:44:52,876 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 396 transitions. Word has length 11 [2020-07-28 21:44:52,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:44:52,877 INFO L479 AbstractCegarLoop]: Abstraction has 171 states and 396 transitions. [2020-07-28 21:44:52,877 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 21:44:52,877 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 396 transitions. [2020-07-28 21:44:52,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-28 21:44:52,878 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:44:52,878 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:44:52,879 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 21:44:52,879 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:44:52,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:44:52,880 INFO L82 PathProgramCache]: Analyzing trace with hash -1444727206, now seen corresponding path program 1 times [2020-07-28 21:44:52,880 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:44:52,880 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344703437] [2020-07-28 21:44:52,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:44:52,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:44:53,031 INFO L280 TraceCheckUtils]: 0: Hoare triple {4870#true} [220] ULTIMATE.startENTRY-->L768: Formula: (let ((.cse0 (store |v_#valid_49| 0 0))) (and (= 0 v_~z~0_45) (= v_~__unbuffered_cnt~0_146 0) (= 0 v_~x~0_21) (= 0 v_~main$tmp_guard0~0_30) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t2531~0.base_18|)) (= 0 v_~main$tmp_guard1~0_33) (= (store |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2531~0.base_18| (store (select |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2531~0.base_18|) |v_ULTIMATE.start_main_~#t2531~0.offset_15| 0)) |v_#memory_int_17|) (= 0 |v_ULTIMATE.start_main_~#t2531~0.offset_15|) (= (store .cse0 |v_ULTIMATE.start_main_~#t2531~0.base_18| 1) |v_#valid_47|) (= 0 v_~__unbuffered_p0_EAX~0_39) (= 0 |v_#NULL.offset_4|) (= |v_#length_21| (store |v_#length_22| |v_ULTIMATE.start_main_~#t2531~0.base_18| 4)) (< 0 |v_#StackHeapBarrier_15|) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2531~0.base_18|) (= 0 v_~y~0_45) (= 0 |v_#NULL.base_4|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_49|, #memory_int=|v_#memory_int_18|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_~#t2533~0.base=|v_ULTIMATE.start_main_~#t2533~0.base_15|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_22|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_8|, #NULL.offset=|v_#NULL.offset_4|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_33, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_30, ULTIMATE.start_main_~#t2531~0.base=|v_ULTIMATE.start_main_~#t2531~0.base_18|, ULTIMATE.start_main_~#t2531~0.offset=|v_ULTIMATE.start_main_~#t2531~0.offset_15|, #NULL.base=|v_#NULL.base_4|, ULTIMATE.start_main_~#t2533~0.offset=|v_ULTIMATE.start_main_~#t2533~0.offset_13|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_39, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_14|, #valid=|v_#valid_47|, #memory_int=|v_#memory_int_17|, ULTIMATE.start_main_~#t2532~0.offset=|v_ULTIMATE.start_main_~#t2532~0.offset_13|, ULTIMATE.start_main_~#t2532~0.base=|v_ULTIMATE.start_main_~#t2532~0.base_15|, #length=|v_#length_21|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_146, ~z~0=v_~z~0_45, ~y~0=v_~y~0_45, ~x~0=v_~x~0_21} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2533~0.base, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, ULTIMATE.start_main_~#t2531~0.base, ULTIMATE.start_main_~#t2531~0.offset, #NULL.base, ULTIMATE.start_main_~#t2533~0.offset, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_#res, #valid, #memory_int, ULTIMATE.start_main_~#t2532~0.offset, ULTIMATE.start_main_~#t2532~0.base, #length, ~__unbuffered_cnt~0, ~z~0, ~y~0, ~x~0] {4872#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:44:53,033 INFO L280 TraceCheckUtils]: 1: Hoare triple {4872#(= 0 ~__unbuffered_cnt~0)} [163] L768-->P0ENTRY: Formula: (and (= 0 v_P0Thread1of1ForFork0_thidvar0_2) (= 0 |v_P0Thread1of1ForFork0_#in~arg.base_3|) (= 0 |v_P0Thread1of1ForFork0_#in~arg.offset_3|)) InVars {} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_3|, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_3|, P0Thread1of1ForFork0_thidvar0=v_P0Thread1of1ForFork0_thidvar0_2, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_3|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_3|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_3, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_3} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#in~arg.offset, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_thidvar0, P0Thread1of1ForFork0_#in~arg.base, P0Thread1of1ForFork0_#res.base, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {4872#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:44:53,034 INFO L280 TraceCheckUtils]: 2: Hoare triple {4872#(= 0 ~__unbuffered_cnt~0)} [201] L768-1-->L770: Formula: (and (not (= 0 |v_ULTIMATE.start_main_~#t2532~0.base_10|)) (= |v_#memory_int_11| (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2532~0.base_10| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2532~0.base_10|) |v_ULTIMATE.start_main_~#t2532~0.offset_9| 1))) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t2532~0.base_10|) (= 0 |v_ULTIMATE.start_main_~#t2532~0.offset_9|) (= |v_#valid_31| (store |v_#valid_32| |v_ULTIMATE.start_main_~#t2532~0.base_10| 1)) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t2532~0.base_10| 4)) (= 0 (select |v_#valid_32| |v_ULTIMATE.start_main_~#t2532~0.base_10|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_32|, #memory_int=|v_#memory_int_12|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_31|, #memory_int=|v_#memory_int_11|, ULTIMATE.start_main_~#t2532~0.offset=|v_ULTIMATE.start_main_~#t2532~0.offset_9|, ULTIMATE.start_main_~#t2532~0.base=|v_ULTIMATE.start_main_~#t2532~0.base_10|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, ULTIMATE.start_main_~#t2532~0.offset, ULTIMATE.start_main_~#t2532~0.base, #length] {4872#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:44:53,035 INFO L280 TraceCheckUtils]: 3: Hoare triple {4872#(= 0 ~__unbuffered_cnt~0)} [165] L770-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork1_thidvar0_2) (= 0 |v_P1Thread1of1ForFork1_#in~arg.base_3|) (= 0 |v_P1Thread1of1ForFork1_#in~arg.offset_3|)) InVars {} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_3, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_3|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_3, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_3|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_3|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_3|, P1Thread1of1ForFork1_thidvar0=v_P1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_#res.offset, P1Thread1of1ForFork1_~arg.base, P1Thread1of1ForFork1_#in~arg.base, P1Thread1of1ForFork1_#in~arg.offset, P1Thread1of1ForFork1_#res.base, P1Thread1of1ForFork1_thidvar0] {4872#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:44:53,035 INFO L280 TraceCheckUtils]: 4: Hoare triple {4872#(= 0 ~__unbuffered_cnt~0)} [200] L770-1-->L772: Formula: (and (not (= 0 |v_ULTIMATE.start_main_~#t2533~0.base_10|)) (= 0 (select |v_#valid_30| |v_ULTIMATE.start_main_~#t2533~0.base_10|)) (= (store |v_#valid_30| |v_ULTIMATE.start_main_~#t2533~0.base_10| 1) |v_#valid_29|) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t2533~0.base_10|) (= (store |v_#length_14| |v_ULTIMATE.start_main_~#t2533~0.base_10| 4) |v_#length_13|) (= 0 |v_ULTIMATE.start_main_~#t2533~0.offset_9|) (= |v_#memory_int_9| (store |v_#memory_int_10| |v_ULTIMATE.start_main_~#t2533~0.base_10| (store (select |v_#memory_int_10| |v_ULTIMATE.start_main_~#t2533~0.base_10|) |v_ULTIMATE.start_main_~#t2533~0.offset_9| 2)))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_30|, #memory_int=|v_#memory_int_10|, #length=|v_#length_14|} OutVars{ULTIMATE.start_main_~#t2533~0.base=|v_ULTIMATE.start_main_~#t2533~0.base_10|, #StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_29|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_9|, #length=|v_#length_13|, ULTIMATE.start_main_~#t2533~0.offset=|v_ULTIMATE.start_main_~#t2533~0.offset_9|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2533~0.base, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t2533~0.offset] {4872#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:44:53,036 INFO L280 TraceCheckUtils]: 5: Hoare triple {4872#(= 0 ~__unbuffered_cnt~0)} [167] L772-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#in~arg.base_3|) (= 0 |v_P2Thread1of1ForFork2_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_3|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_3, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_3, P2Thread1of1ForFork2_thidvar0=v_P2Thread1of1ForFork2_thidvar0_2, P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_3|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_3|, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_3|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#in~arg.offset, P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, P2Thread1of1ForFork2_thidvar0, P2Thread1of1ForFork2_#res.base, P2Thread1of1ForFork2_#in~arg.base, P2Thread1of1ForFork2_#res.offset] {4872#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:44:53,036 INFO L280 TraceCheckUtils]: 6: Hoare triple {4872#(= 0 ~__unbuffered_cnt~0)} [188] P0ENTRY-->L713: Formula: (and (= 2 v_~z~0_20) (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= v_P0Thread1of1ForFork0_~arg.base_4 |v_P0Thread1of1ForFork0_#in~arg.base_4|)) InVars {P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~z~0=v_~z~0_20, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_4, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_4} AuxVars[] AssignedVars[~z~0, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {4872#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:44:53,037 INFO L280 TraceCheckUtils]: 7: Hoare triple {4872#(= 0 ~__unbuffered_cnt~0)} [146] L713-->L718: Formula: (= v_~__unbuffered_p0_EAX~0_1 v_~x~0_1) InVars {~x~0=v_~x~0_1} OutVars{~x~0=v_~x~0_1, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_1} AuxVars[] AssignedVars[~__unbuffered_p0_EAX~0] {4872#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:44:53,038 INFO L280 TraceCheckUtils]: 8: Hoare triple {4872#(= 0 ~__unbuffered_cnt~0)} [202] L718-->P0EXIT: Formula: (and (= 0 |v_P0Thread1of1ForFork0_#res.base_13|) (= 0 |v_P0Thread1of1ForFork0_#res.offset_13|) (= (+ v_~__unbuffered_cnt~0_78 1) v_~__unbuffered_cnt~0_77)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_78} OutVars{P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_13|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_13|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_77} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_#res.base, ~__unbuffered_cnt~0] {4873#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:44:53,039 INFO L280 TraceCheckUtils]: 9: Hoare triple {4873#(<= ~__unbuffered_cnt~0 1)} [189] P2ENTRY-->L745: Formula: (and (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= 2 v_~y~0_20) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4)) InVars {P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_4, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_4, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_20} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~y~0] {4873#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:44:53,040 INFO L280 TraceCheckUtils]: 10: Hoare triple {4873#(<= ~__unbuffered_cnt~0 1)} [207] L772-1-->L2: Formula: (and (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_95))) (or (and (= 1 v_~main$tmp_guard0~0_21) .cse0) (and (= 0 v_~main$tmp_guard0~0_21) (not .cse0)))) (= (mod v_~main$tmp_guard0~0_21 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_5|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_95} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_5|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_13, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_13|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_95, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_21} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {4874#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond|))} is VALID [2020-07-28 21:44:53,041 INFO L280 TraceCheckUtils]: 11: Hoare triple {4874#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond|))} [221] L2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 2 v_~z~0_48) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_26)) (= 0 v_~__unbuffered_p0_EAX~0_43) (= v_ULTIMATE.start_assume_abort_if_not_~cond_26 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_16|) (= 0 v_~main$tmp_guard1~0_36) (= (mod v_~main$tmp_guard1~0_36 256) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_15|) (= 2 v_~y~0_48) (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_14)) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_16|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_43, ~z~0=v_~z~0_48, ~y~0=v_~y~0_48} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_16|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_43, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_14, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_26, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_36, ~z~0=v_~z~0_48, ~y~0=v_~y~0_48, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_15|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {4871#false} is VALID [2020-07-28 21:44:53,042 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 21:44:53,043 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344703437] [2020-07-28 21:44:53,043 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:44:53,043 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 21:44:53,044 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226738498] [2020-07-28 21:44:53,044 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-07-28 21:44:53,044 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:44:53,045 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 21:44:53,062 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 21:44:53,062 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 21:44:53,062 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:44:53,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 21:44:53,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-28 21:44:53,063 INFO L87 Difference]: Start difference. First operand 171 states and 396 transitions. Second operand 5 states. [2020-07-28 21:44:53,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:44:53,231 INFO L93 Difference]: Finished difference Result 162 states and 347 transitions. [2020-07-28 21:44:53,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 21:44:53,231 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-07-28 21:44:53,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:44:53,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:44:53,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 61 transitions. [2020-07-28 21:44:53,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:44:53,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 61 transitions. [2020-07-28 21:44:53,235 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 61 transitions. [2020-07-28 21:44:53,326 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 61 edges. 61 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:44:53,329 INFO L225 Difference]: With dead ends: 162 [2020-07-28 21:44:53,329 INFO L226 Difference]: Without dead ends: 125 [2020-07-28 21:44:53,330 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 21:44:53,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-07-28 21:44:53,333 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,334 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,334 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,335 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,335 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,335 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,335 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,336 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,336 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,336 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,337 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,337 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,337 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,338 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,338 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,338 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,338 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,339 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,339 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,339 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,340 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,340 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,340 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,341 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,341 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,341 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,342 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,342 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,342 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,342 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,343 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,343 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,343 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,344 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,344 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,344 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,345 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,345 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,345 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,345 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,346 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,346 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,346 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,347 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,347 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,347 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,347 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,348 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,348 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,348 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,349 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,349 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,349 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,350 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,350 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,350 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,350 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,351 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,351 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,351 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,352 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,372 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,372 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,373 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,373 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,373 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,374 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,374 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,374 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,374 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,375 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,375 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,375 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,375 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,376 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,376 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,376 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,377 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,377 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,377 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,377 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,378 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,378 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,378 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,378 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,379 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,379 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,379 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,380 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,380 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,380 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,380 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,381 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,381 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,381 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,381 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,382 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,382 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,382 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,383 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,383 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,383 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,383 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,384 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,384 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,384 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,384 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,385 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,385 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,385 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,385 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,386 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,386 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,386 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,386 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,387 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,387 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,387 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,388 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,388 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,388 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,388 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,389 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,389 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,389 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-07-28 21:44:53,391 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:44:53,392 INFO L82 GeneralOperation]: Start isEquivalent. First operand 125 states. Second operand 125 states. [2020-07-28 21:44:53,392 INFO L74 IsIncluded]: Start isIncluded. First operand 125 states. Second operand 125 states. [2020-07-28 21:44:53,392 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 125 states. [2020-07-28 21:44:53,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:44:53,395 INFO L93 Difference]: Finished difference Result 125 states and 263 transitions. [2020-07-28 21:44:53,396 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 263 transitions. [2020-07-28 21:44:53,396 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:44:53,396 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:44:53,397 INFO L74 IsIncluded]: Start isIncluded. First operand 125 states. Second operand 125 states. [2020-07-28 21:44:53,397 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 125 states. [2020-07-28 21:44:53,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:44:53,400 INFO L93 Difference]: Finished difference Result 125 states and 263 transitions. [2020-07-28 21:44:53,400 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 263 transitions. [2020-07-28 21:44:53,401 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:44:53,401 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:44:53,401 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:44:53,402 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:44:53,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-07-28 21:44:53,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 263 transitions. [2020-07-28 21:44:53,405 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 263 transitions. Word has length 12 [2020-07-28 21:44:53,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:44:53,405 INFO L479 AbstractCegarLoop]: Abstraction has 125 states and 263 transitions. [2020-07-28 21:44:53,405 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 21:44:53,406 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 263 transitions. [2020-07-28 21:44:53,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-07-28 21:44:53,406 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:44:53,407 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:44:53,407 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 21:44:53,407 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:44:53,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:44:53,410 INFO L82 PathProgramCache]: Analyzing trace with hash -1109140729, now seen corresponding path program 1 times [2020-07-28 21:44:53,410 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:44:53,410 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773415634] [2020-07-28 21:44:53,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:44:53,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:44:53,481 INFO L280 TraceCheckUtils]: 0: Hoare triple {5541#true} [220] ULTIMATE.startENTRY-->L768: Formula: (let ((.cse0 (store |v_#valid_49| 0 0))) (and (= 0 v_~z~0_45) (= v_~__unbuffered_cnt~0_146 0) (= 0 v_~x~0_21) (= 0 v_~main$tmp_guard0~0_30) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t2531~0.base_18|)) (= 0 v_~main$tmp_guard1~0_33) (= (store |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2531~0.base_18| (store (select |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2531~0.base_18|) |v_ULTIMATE.start_main_~#t2531~0.offset_15| 0)) |v_#memory_int_17|) (= 0 |v_ULTIMATE.start_main_~#t2531~0.offset_15|) (= (store .cse0 |v_ULTIMATE.start_main_~#t2531~0.base_18| 1) |v_#valid_47|) (= 0 v_~__unbuffered_p0_EAX~0_39) (= 0 |v_#NULL.offset_4|) (= |v_#length_21| (store |v_#length_22| |v_ULTIMATE.start_main_~#t2531~0.base_18| 4)) (< 0 |v_#StackHeapBarrier_15|) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2531~0.base_18|) (= 0 v_~y~0_45) (= 0 |v_#NULL.base_4|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_49|, #memory_int=|v_#memory_int_18|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_~#t2533~0.base=|v_ULTIMATE.start_main_~#t2533~0.base_15|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_22|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_8|, #NULL.offset=|v_#NULL.offset_4|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_33, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_30, ULTIMATE.start_main_~#t2531~0.base=|v_ULTIMATE.start_main_~#t2531~0.base_18|, ULTIMATE.start_main_~#t2531~0.offset=|v_ULTIMATE.start_main_~#t2531~0.offset_15|, #NULL.base=|v_#NULL.base_4|, ULTIMATE.start_main_~#t2533~0.offset=|v_ULTIMATE.start_main_~#t2533~0.offset_13|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_39, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_14|, #valid=|v_#valid_47|, #memory_int=|v_#memory_int_17|, ULTIMATE.start_main_~#t2532~0.offset=|v_ULTIMATE.start_main_~#t2532~0.offset_13|, ULTIMATE.start_main_~#t2532~0.base=|v_ULTIMATE.start_main_~#t2532~0.base_15|, #length=|v_#length_21|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_146, ~z~0=v_~z~0_45, ~y~0=v_~y~0_45, ~x~0=v_~x~0_21} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2533~0.base, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, ULTIMATE.start_main_~#t2531~0.base, ULTIMATE.start_main_~#t2531~0.offset, #NULL.base, ULTIMATE.start_main_~#t2533~0.offset, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_#res, #valid, #memory_int, ULTIMATE.start_main_~#t2532~0.offset, ULTIMATE.start_main_~#t2532~0.base, #length, ~__unbuffered_cnt~0, ~z~0, ~y~0, ~x~0] {5541#true} is VALID [2020-07-28 21:44:53,481 INFO L280 TraceCheckUtils]: 1: Hoare triple {5541#true} [163] L768-->P0ENTRY: Formula: (and (= 0 v_P0Thread1of1ForFork0_thidvar0_2) (= 0 |v_P0Thread1of1ForFork0_#in~arg.base_3|) (= 0 |v_P0Thread1of1ForFork0_#in~arg.offset_3|)) InVars {} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_3|, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_3|, P0Thread1of1ForFork0_thidvar0=v_P0Thread1of1ForFork0_thidvar0_2, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_3|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_3|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_3, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_3} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#in~arg.offset, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_thidvar0, P0Thread1of1ForFork0_#in~arg.base, P0Thread1of1ForFork0_#res.base, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {5541#true} is VALID [2020-07-28 21:44:53,482 INFO L280 TraceCheckUtils]: 2: Hoare triple {5541#true} [201] L768-1-->L770: Formula: (and (not (= 0 |v_ULTIMATE.start_main_~#t2532~0.base_10|)) (= |v_#memory_int_11| (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2532~0.base_10| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2532~0.base_10|) |v_ULTIMATE.start_main_~#t2532~0.offset_9| 1))) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t2532~0.base_10|) (= 0 |v_ULTIMATE.start_main_~#t2532~0.offset_9|) (= |v_#valid_31| (store |v_#valid_32| |v_ULTIMATE.start_main_~#t2532~0.base_10| 1)) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t2532~0.base_10| 4)) (= 0 (select |v_#valid_32| |v_ULTIMATE.start_main_~#t2532~0.base_10|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_32|, #memory_int=|v_#memory_int_12|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_31|, #memory_int=|v_#memory_int_11|, ULTIMATE.start_main_~#t2532~0.offset=|v_ULTIMATE.start_main_~#t2532~0.offset_9|, ULTIMATE.start_main_~#t2532~0.base=|v_ULTIMATE.start_main_~#t2532~0.base_10|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, ULTIMATE.start_main_~#t2532~0.offset, ULTIMATE.start_main_~#t2532~0.base, #length] {5541#true} is VALID [2020-07-28 21:44:53,482 INFO L280 TraceCheckUtils]: 3: Hoare triple {5541#true} [165] L770-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork1_thidvar0_2) (= 0 |v_P1Thread1of1ForFork1_#in~arg.base_3|) (= 0 |v_P1Thread1of1ForFork1_#in~arg.offset_3|)) InVars {} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_3, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_3|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_3, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_3|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_3|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_3|, P1Thread1of1ForFork1_thidvar0=v_P1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_#res.offset, P1Thread1of1ForFork1_~arg.base, P1Thread1of1ForFork1_#in~arg.base, P1Thread1of1ForFork1_#in~arg.offset, P1Thread1of1ForFork1_#res.base, P1Thread1of1ForFork1_thidvar0] {5541#true} is VALID [2020-07-28 21:44:53,482 INFO L280 TraceCheckUtils]: 4: Hoare triple {5541#true} [200] L770-1-->L772: Formula: (and (not (= 0 |v_ULTIMATE.start_main_~#t2533~0.base_10|)) (= 0 (select |v_#valid_30| |v_ULTIMATE.start_main_~#t2533~0.base_10|)) (= (store |v_#valid_30| |v_ULTIMATE.start_main_~#t2533~0.base_10| 1) |v_#valid_29|) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t2533~0.base_10|) (= (store |v_#length_14| |v_ULTIMATE.start_main_~#t2533~0.base_10| 4) |v_#length_13|) (= 0 |v_ULTIMATE.start_main_~#t2533~0.offset_9|) (= |v_#memory_int_9| (store |v_#memory_int_10| |v_ULTIMATE.start_main_~#t2533~0.base_10| (store (select |v_#memory_int_10| |v_ULTIMATE.start_main_~#t2533~0.base_10|) |v_ULTIMATE.start_main_~#t2533~0.offset_9| 2)))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_30|, #memory_int=|v_#memory_int_10|, #length=|v_#length_14|} OutVars{ULTIMATE.start_main_~#t2533~0.base=|v_ULTIMATE.start_main_~#t2533~0.base_10|, #StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_29|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_9|, #length=|v_#length_13|, ULTIMATE.start_main_~#t2533~0.offset=|v_ULTIMATE.start_main_~#t2533~0.offset_9|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2533~0.base, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t2533~0.offset] {5541#true} is VALID [2020-07-28 21:44:53,483 INFO L280 TraceCheckUtils]: 5: Hoare triple {5541#true} [167] L772-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#in~arg.base_3|) (= 0 |v_P2Thread1of1ForFork2_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_3|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_3, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_3, P2Thread1of1ForFork2_thidvar0=v_P2Thread1of1ForFork2_thidvar0_2, P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_3|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_3|, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_3|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#in~arg.offset, P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, P2Thread1of1ForFork2_thidvar0, P2Thread1of1ForFork2_#res.base, P2Thread1of1ForFork2_#in~arg.base, P2Thread1of1ForFork2_#res.offset] {5541#true} is VALID [2020-07-28 21:44:53,483 INFO L280 TraceCheckUtils]: 6: Hoare triple {5541#true} [188] P0ENTRY-->L713: Formula: (and (= 2 v_~z~0_20) (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= v_P0Thread1of1ForFork0_~arg.base_4 |v_P0Thread1of1ForFork0_#in~arg.base_4|)) InVars {P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~z~0=v_~z~0_20, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_4, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_4} AuxVars[] AssignedVars[~z~0, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {5541#true} is VALID [2020-07-28 21:44:53,489 INFO L280 TraceCheckUtils]: 7: Hoare triple {5541#true} [146] L713-->L718: Formula: (= v_~__unbuffered_p0_EAX~0_1 v_~x~0_1) InVars {~x~0=v_~x~0_1} OutVars{~x~0=v_~x~0_1, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_1} AuxVars[] AssignedVars[~__unbuffered_p0_EAX~0] {5541#true} is VALID [2020-07-28 21:44:53,490 INFO L280 TraceCheckUtils]: 8: Hoare triple {5541#true} [202] L718-->P0EXIT: Formula: (and (= 0 |v_P0Thread1of1ForFork0_#res.base_13|) (= 0 |v_P0Thread1of1ForFork0_#res.offset_13|) (= (+ v_~__unbuffered_cnt~0_78 1) v_~__unbuffered_cnt~0_77)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_78} OutVars{P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_13|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_13|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_77} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_#res.base, ~__unbuffered_cnt~0] {5541#true} is VALID [2020-07-28 21:44:53,490 INFO L280 TraceCheckUtils]: 9: Hoare triple {5541#true} [190] P1ENTRY-->L730: Formula: (and (= |v_P1Thread1of1ForFork1_#in~arg.offset_4| v_P1Thread1of1ForFork1_~arg.offset_4) (= v_P1Thread1of1ForFork1_~arg.base_4 |v_P1Thread1of1ForFork1_#in~arg.base_4|) (= 1 v_~x~0_10)) 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_10} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_~arg.base, ~x~0] {5541#true} is VALID [2020-07-28 21:44:53,491 INFO L280 TraceCheckUtils]: 10: Hoare triple {5541#true} [152] L730-->L733: Formula: (= v_~y~0_1 1) InVars {} OutVars{~y~0=v_~y~0_1} AuxVars[] AssignedVars[~y~0] {5543#(= 1 ~y~0)} is VALID [2020-07-28 21:44:53,494 INFO L280 TraceCheckUtils]: 11: Hoare triple {5543#(= 1 ~y~0)} [196] L733-->P1EXIT: Formula: (and (= (+ v_~__unbuffered_cnt~0_60 1) v_~__unbuffered_cnt~0_59) (= 0 |v_P1Thread1of1ForFork1_#res.base_5|) (= 0 |v_P1Thread1of1ForFork1_#res.offset_5|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_60} OutVars{P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_59, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_5|} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#res.offset, ~__unbuffered_cnt~0, P1Thread1of1ForFork1_#res.base] {5543#(= 1 ~y~0)} is VALID [2020-07-28 21:44:53,495 INFO L280 TraceCheckUtils]: 12: Hoare triple {5543#(= 1 ~y~0)} [207] L772-1-->L2: Formula: (and (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_95))) (or (and (= 1 v_~main$tmp_guard0~0_21) .cse0) (and (= 0 v_~main$tmp_guard0~0_21) (not .cse0)))) (= (mod v_~main$tmp_guard0~0_21 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_5|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_95} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_5|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_13, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_13|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_95, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_21} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {5543#(= 1 ~y~0)} is VALID [2020-07-28 21:44:53,496 INFO L280 TraceCheckUtils]: 13: Hoare triple {5543#(= 1 ~y~0)} [221] L2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 2 v_~z~0_48) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_26)) (= 0 v_~__unbuffered_p0_EAX~0_43) (= v_ULTIMATE.start_assume_abort_if_not_~cond_26 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_16|) (= 0 v_~main$tmp_guard1~0_36) (= (mod v_~main$tmp_guard1~0_36 256) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_15|) (= 2 v_~y~0_48) (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_14)) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_16|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_43, ~z~0=v_~z~0_48, ~y~0=v_~y~0_48} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_16|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_43, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_14, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_26, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_36, ~z~0=v_~z~0_48, ~y~0=v_~y~0_48, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_15|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {5542#false} is VALID [2020-07-28 21:44:53,497 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 21:44:53,497 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773415634] [2020-07-28 21:44:53,497 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:44:53,498 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 21:44:53,498 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733601230] [2020-07-28 21:44:53,500 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2020-07-28 21:44:53,500 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:44:53,500 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 21:44:53,521 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 21:44:53,521 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 21:44:53,521 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:44:53,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 21:44:53,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 21:44:53,522 INFO L87 Difference]: Start difference. First operand 125 states and 263 transitions. Second operand 3 states. [2020-07-28 21:44:53,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:44:53,566 INFO L93 Difference]: Finished difference Result 157 states and 314 transitions. [2020-07-28 21:44:53,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 21:44:53,566 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2020-07-28 21:44:53,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:44:53,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 21:44:53,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 28 transitions. [2020-07-28 21:44:53,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 21:44:53,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 28 transitions. [2020-07-28 21:44:53,568 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 28 transitions. [2020-07-28 21:44:53,603 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 21:44:53,605 INFO L225 Difference]: With dead ends: 157 [2020-07-28 21:44:53,606 INFO L226 Difference]: Without dead ends: 120 [2020-07-28 21:44:53,606 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 21:44:53,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-07-28 21:44:53,609 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,610 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,611 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,611 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,611 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,611 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,612 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,612 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,612 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,612 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,613 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,613 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,613 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,613 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,614 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,614 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,614 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,615 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,615 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,615 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,615 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,616 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,616 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,616 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,616 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,617 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,617 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,617 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,617 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,618 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,618 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,618 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,618 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,619 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,619 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,619 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,620 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,620 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,620 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,620 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,621 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,621 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,621 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,621 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,622 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,622 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,622 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,622 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,623 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,623 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,623 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,623 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,624 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,624 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,624 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,624 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,625 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,625 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,625 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,625 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,626 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,626 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,626 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,626 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,627 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,627 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,627 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,627 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,628 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,628 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,628 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,629 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,629 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,629 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,629 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,630 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,630 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,630 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,630 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,631 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,631 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,631 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,631 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,632 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,632 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,632 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,632 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,633 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,633 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,633 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,633 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,634 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,634 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,634 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,635 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,635 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,635 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,635 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,636 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,636 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,636 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,636 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,637 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,637 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,637 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,637 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,638 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,638 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,639 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,639 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,639 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,639 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,640 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,640 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,640 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,641 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,641 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,641 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:53,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 118. [2020-07-28 21:44:53,642 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:44:53,642 INFO L82 GeneralOperation]: Start isEquivalent. First operand 120 states. Second operand 118 states. [2020-07-28 21:44:53,642 INFO L74 IsIncluded]: Start isIncluded. First operand 120 states. Second operand 118 states. [2020-07-28 21:44:53,642 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 118 states. [2020-07-28 21:44:53,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:44:53,646 INFO L93 Difference]: Finished difference Result 120 states and 234 transitions. [2020-07-28 21:44:53,646 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 234 transitions. [2020-07-28 21:44:53,646 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:44:53,646 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:44:53,647 INFO L74 IsIncluded]: Start isIncluded. First operand 118 states. Second operand 120 states. [2020-07-28 21:44:53,647 INFO L87 Difference]: Start difference. First operand 118 states. Second operand 120 states. [2020-07-28 21:44:53,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:44:53,650 INFO L93 Difference]: Finished difference Result 120 states and 234 transitions. [2020-07-28 21:44:53,650 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 234 transitions. [2020-07-28 21:44:53,650 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:44:53,651 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:44:53,651 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:44:53,651 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:44:53,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-07-28 21:44:53,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 233 transitions. [2020-07-28 21:44:53,654 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 233 transitions. Word has length 14 [2020-07-28 21:44:53,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:44:53,654 INFO L479 AbstractCegarLoop]: Abstraction has 118 states and 233 transitions. [2020-07-28 21:44:53,655 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 21:44:53,655 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 233 transitions. [2020-07-28 21:44:53,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-07-28 21:44:53,656 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:44:53,656 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:44:53,656 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 21:44:53,656 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:44:53,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:44:53,657 INFO L82 PathProgramCache]: Analyzing trace with hash -1574578981, now seen corresponding path program 1 times [2020-07-28 21:44:53,657 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:44:53,657 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024323078] [2020-07-28 21:44:53,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:44:53,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:44:53,748 INFO L280 TraceCheckUtils]: 0: Hoare triple {6179#true} [220] ULTIMATE.startENTRY-->L768: Formula: (let ((.cse0 (store |v_#valid_49| 0 0))) (and (= 0 v_~z~0_45) (= v_~__unbuffered_cnt~0_146 0) (= 0 v_~x~0_21) (= 0 v_~main$tmp_guard0~0_30) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t2531~0.base_18|)) (= 0 v_~main$tmp_guard1~0_33) (= (store |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2531~0.base_18| (store (select |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2531~0.base_18|) |v_ULTIMATE.start_main_~#t2531~0.offset_15| 0)) |v_#memory_int_17|) (= 0 |v_ULTIMATE.start_main_~#t2531~0.offset_15|) (= (store .cse0 |v_ULTIMATE.start_main_~#t2531~0.base_18| 1) |v_#valid_47|) (= 0 v_~__unbuffered_p0_EAX~0_39) (= 0 |v_#NULL.offset_4|) (= |v_#length_21| (store |v_#length_22| |v_ULTIMATE.start_main_~#t2531~0.base_18| 4)) (< 0 |v_#StackHeapBarrier_15|) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2531~0.base_18|) (= 0 v_~y~0_45) (= 0 |v_#NULL.base_4|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_49|, #memory_int=|v_#memory_int_18|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_~#t2533~0.base=|v_ULTIMATE.start_main_~#t2533~0.base_15|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_22|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_8|, #NULL.offset=|v_#NULL.offset_4|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_33, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_30, ULTIMATE.start_main_~#t2531~0.base=|v_ULTIMATE.start_main_~#t2531~0.base_18|, ULTIMATE.start_main_~#t2531~0.offset=|v_ULTIMATE.start_main_~#t2531~0.offset_15|, #NULL.base=|v_#NULL.base_4|, ULTIMATE.start_main_~#t2533~0.offset=|v_ULTIMATE.start_main_~#t2533~0.offset_13|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_39, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_14|, #valid=|v_#valid_47|, #memory_int=|v_#memory_int_17|, ULTIMATE.start_main_~#t2532~0.offset=|v_ULTIMATE.start_main_~#t2532~0.offset_13|, ULTIMATE.start_main_~#t2532~0.base=|v_ULTIMATE.start_main_~#t2532~0.base_15|, #length=|v_#length_21|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_146, ~z~0=v_~z~0_45, ~y~0=v_~y~0_45, ~x~0=v_~x~0_21} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2533~0.base, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, ULTIMATE.start_main_~#t2531~0.base, ULTIMATE.start_main_~#t2531~0.offset, #NULL.base, ULTIMATE.start_main_~#t2533~0.offset, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_#res, #valid, #memory_int, ULTIMATE.start_main_~#t2532~0.offset, ULTIMATE.start_main_~#t2532~0.base, #length, ~__unbuffered_cnt~0, ~z~0, ~y~0, ~x~0] {6181#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:44:53,749 INFO L280 TraceCheckUtils]: 1: Hoare triple {6181#(= 0 ~__unbuffered_cnt~0)} [163] L768-->P0ENTRY: Formula: (and (= 0 v_P0Thread1of1ForFork0_thidvar0_2) (= 0 |v_P0Thread1of1ForFork0_#in~arg.base_3|) (= 0 |v_P0Thread1of1ForFork0_#in~arg.offset_3|)) InVars {} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_3|, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_3|, P0Thread1of1ForFork0_thidvar0=v_P0Thread1of1ForFork0_thidvar0_2, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_3|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_3|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_3, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_3} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#in~arg.offset, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_thidvar0, P0Thread1of1ForFork0_#in~arg.base, P0Thread1of1ForFork0_#res.base, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {6181#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:44:53,750 INFO L280 TraceCheckUtils]: 2: Hoare triple {6181#(= 0 ~__unbuffered_cnt~0)} [201] L768-1-->L770: Formula: (and (not (= 0 |v_ULTIMATE.start_main_~#t2532~0.base_10|)) (= |v_#memory_int_11| (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2532~0.base_10| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2532~0.base_10|) |v_ULTIMATE.start_main_~#t2532~0.offset_9| 1))) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t2532~0.base_10|) (= 0 |v_ULTIMATE.start_main_~#t2532~0.offset_9|) (= |v_#valid_31| (store |v_#valid_32| |v_ULTIMATE.start_main_~#t2532~0.base_10| 1)) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t2532~0.base_10| 4)) (= 0 (select |v_#valid_32| |v_ULTIMATE.start_main_~#t2532~0.base_10|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_32|, #memory_int=|v_#memory_int_12|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_31|, #memory_int=|v_#memory_int_11|, ULTIMATE.start_main_~#t2532~0.offset=|v_ULTIMATE.start_main_~#t2532~0.offset_9|, ULTIMATE.start_main_~#t2532~0.base=|v_ULTIMATE.start_main_~#t2532~0.base_10|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, ULTIMATE.start_main_~#t2532~0.offset, ULTIMATE.start_main_~#t2532~0.base, #length] {6181#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:44:53,750 INFO L280 TraceCheckUtils]: 3: Hoare triple {6181#(= 0 ~__unbuffered_cnt~0)} [165] L770-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork1_thidvar0_2) (= 0 |v_P1Thread1of1ForFork1_#in~arg.base_3|) (= 0 |v_P1Thread1of1ForFork1_#in~arg.offset_3|)) InVars {} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_3, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_3|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_3, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_3|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_3|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_3|, P1Thread1of1ForFork1_thidvar0=v_P1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_#res.offset, P1Thread1of1ForFork1_~arg.base, P1Thread1of1ForFork1_#in~arg.base, P1Thread1of1ForFork1_#in~arg.offset, P1Thread1of1ForFork1_#res.base, P1Thread1of1ForFork1_thidvar0] {6181#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:44:53,751 INFO L280 TraceCheckUtils]: 4: Hoare triple {6181#(= 0 ~__unbuffered_cnt~0)} [200] L770-1-->L772: Formula: (and (not (= 0 |v_ULTIMATE.start_main_~#t2533~0.base_10|)) (= 0 (select |v_#valid_30| |v_ULTIMATE.start_main_~#t2533~0.base_10|)) (= (store |v_#valid_30| |v_ULTIMATE.start_main_~#t2533~0.base_10| 1) |v_#valid_29|) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t2533~0.base_10|) (= (store |v_#length_14| |v_ULTIMATE.start_main_~#t2533~0.base_10| 4) |v_#length_13|) (= 0 |v_ULTIMATE.start_main_~#t2533~0.offset_9|) (= |v_#memory_int_9| (store |v_#memory_int_10| |v_ULTIMATE.start_main_~#t2533~0.base_10| (store (select |v_#memory_int_10| |v_ULTIMATE.start_main_~#t2533~0.base_10|) |v_ULTIMATE.start_main_~#t2533~0.offset_9| 2)))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_30|, #memory_int=|v_#memory_int_10|, #length=|v_#length_14|} OutVars{ULTIMATE.start_main_~#t2533~0.base=|v_ULTIMATE.start_main_~#t2533~0.base_10|, #StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_29|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_9|, #length=|v_#length_13|, ULTIMATE.start_main_~#t2533~0.offset=|v_ULTIMATE.start_main_~#t2533~0.offset_9|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2533~0.base, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t2533~0.offset] {6181#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:44:53,752 INFO L280 TraceCheckUtils]: 5: Hoare triple {6181#(= 0 ~__unbuffered_cnt~0)} [167] L772-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#in~arg.base_3|) (= 0 |v_P2Thread1of1ForFork2_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_3|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_3, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_3, P2Thread1of1ForFork2_thidvar0=v_P2Thread1of1ForFork2_thidvar0_2, P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_3|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_3|, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_3|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#in~arg.offset, P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, P2Thread1of1ForFork2_thidvar0, P2Thread1of1ForFork2_#res.base, P2Thread1of1ForFork2_#in~arg.base, P2Thread1of1ForFork2_#res.offset] {6181#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:44:53,753 INFO L280 TraceCheckUtils]: 6: Hoare triple {6181#(= 0 ~__unbuffered_cnt~0)} [189] P2ENTRY-->L745: Formula: (and (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= 2 v_~y~0_20) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4)) InVars {P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_4, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_4, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_20} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~y~0] {6181#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:44:53,754 INFO L280 TraceCheckUtils]: 7: Hoare triple {6181#(= 0 ~__unbuffered_cnt~0)} [158] L745-->L748: Formula: (= v_~z~0_2 1) InVars {} OutVars{~z~0=v_~z~0_2} AuxVars[] AssignedVars[~z~0] {6181#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:44:53,755 INFO L280 TraceCheckUtils]: 8: Hoare triple {6181#(= 0 ~__unbuffered_cnt~0)} [203] L748-->P2EXIT: Formula: (and (= |v_P2Thread1of1ForFork2_#res.offset_5| 0) (= 0 |v_P2Thread1of1ForFork2_#res.base_5|) (= v_~__unbuffered_cnt~0_89 (+ v_~__unbuffered_cnt~0_90 1))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_90} OutVars{P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_89, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_5|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#res.base, ~__unbuffered_cnt~0, P2Thread1of1ForFork2_#res.offset] {6182#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:44:53,755 INFO L280 TraceCheckUtils]: 9: Hoare triple {6182#(<= ~__unbuffered_cnt~0 1)} [188] P0ENTRY-->L713: Formula: (and (= 2 v_~z~0_20) (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= v_P0Thread1of1ForFork0_~arg.base_4 |v_P0Thread1of1ForFork0_#in~arg.base_4|)) InVars {P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~z~0=v_~z~0_20, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_4, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_4} AuxVars[] AssignedVars[~z~0, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {6182#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:44:53,756 INFO L280 TraceCheckUtils]: 10: Hoare triple {6182#(<= ~__unbuffered_cnt~0 1)} [146] L713-->L718: Formula: (= v_~__unbuffered_p0_EAX~0_1 v_~x~0_1) InVars {~x~0=v_~x~0_1} OutVars{~x~0=v_~x~0_1, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_1} AuxVars[] AssignedVars[~__unbuffered_p0_EAX~0] {6182#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:44:53,757 INFO L280 TraceCheckUtils]: 11: Hoare triple {6182#(<= ~__unbuffered_cnt~0 1)} [202] L718-->P0EXIT: Formula: (and (= 0 |v_P0Thread1of1ForFork0_#res.base_13|) (= 0 |v_P0Thread1of1ForFork0_#res.offset_13|) (= (+ v_~__unbuffered_cnt~0_78 1) v_~__unbuffered_cnt~0_77)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_78} OutVars{P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_13|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_13|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_77} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_#res.base, ~__unbuffered_cnt~0] {6183#(<= ~__unbuffered_cnt~0 2)} is VALID [2020-07-28 21:44:53,758 INFO L280 TraceCheckUtils]: 12: Hoare triple {6183#(<= ~__unbuffered_cnt~0 2)} [207] L772-1-->L2: Formula: (and (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_95))) (or (and (= 1 v_~main$tmp_guard0~0_21) .cse0) (and (= 0 v_~main$tmp_guard0~0_21) (not .cse0)))) (= (mod v_~main$tmp_guard0~0_21 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_5|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_95} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_5|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_13, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_13|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_95, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_21} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {6184#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond|))} is VALID [2020-07-28 21:44:53,760 INFO L280 TraceCheckUtils]: 13: Hoare triple {6184#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond|))} [221] L2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 2 v_~z~0_48) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_26)) (= 0 v_~__unbuffered_p0_EAX~0_43) (= v_ULTIMATE.start_assume_abort_if_not_~cond_26 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_16|) (= 0 v_~main$tmp_guard1~0_36) (= (mod v_~main$tmp_guard1~0_36 256) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_15|) (= 2 v_~y~0_48) (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_14)) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_16|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_43, ~z~0=v_~z~0_48, ~y~0=v_~y~0_48} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_16|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_43, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_14, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_26, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_36, ~z~0=v_~z~0_48, ~y~0=v_~y~0_48, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_15|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {6180#false} is VALID [2020-07-28 21:44:53,760 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 21:44:53,761 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024323078] [2020-07-28 21:44:53,761 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:44:53,761 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 21:44:53,761 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616520305] [2020-07-28 21:44:53,762 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-07-28 21:44:53,762 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:44:53,762 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 21:44:53,778 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 21:44:53,779 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 21:44:53,779 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:44:53,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 21:44:53,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-28 21:44:53,780 INFO L87 Difference]: Start difference. First operand 118 states and 233 transitions. Second operand 6 states. [2020-07-28 21:44:53,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:44:53,957 INFO L93 Difference]: Finished difference Result 112 states and 219 transitions. [2020-07-28 21:44:53,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-28 21:44:53,957 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-07-28 21:44:53,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:44:53,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 21:44:53,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 49 transitions. [2020-07-28 21:44:53,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 21:44:53,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 49 transitions. [2020-07-28 21:44:53,959 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 49 transitions. [2020-07-28 21:44:54,015 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 49 edges. 49 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:44:54,015 INFO L225 Difference]: With dead ends: 112 [2020-07-28 21:44:54,015 INFO L226 Difference]: Without dead ends: 36 [2020-07-28 21:44:54,016 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 21:44:54,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2020-07-28 21:44:54,017 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:54,017 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:54,017 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:54,017 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:54,018 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:54,018 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:54,018 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:54,019 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:54,019 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:54,020 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:54,020 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:54,020 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:54,020 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:54,020 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:54,020 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:54,021 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:54,021 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:54,021 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:54,021 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:54,021 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:54,022 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:54,022 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:54,022 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:54,022 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:54,022 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:54,023 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:54,023 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:54,023 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:54,023 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:54,023 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:54,023 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:54,024 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:54,024 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:54,024 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:54,024 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:54,024 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:44:54,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2020-07-28 21:44:54,025 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:44:54,025 INFO L82 GeneralOperation]: Start isEquivalent. First operand 36 states. Second operand 36 states. [2020-07-28 21:44:54,025 INFO L74 IsIncluded]: Start isIncluded. First operand 36 states. Second operand 36 states. [2020-07-28 21:44:54,025 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 36 states. [2020-07-28 21:44:54,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:44:54,026 INFO L93 Difference]: Finished difference Result 36 states and 56 transitions. [2020-07-28 21:44:54,027 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 56 transitions. [2020-07-28 21:44:54,027 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:44:54,027 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:44:54,027 INFO L74 IsIncluded]: Start isIncluded. First operand 36 states. Second operand 36 states. [2020-07-28 21:44:54,027 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 36 states. [2020-07-28 21:44:54,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:44:54,028 INFO L93 Difference]: Finished difference Result 36 states and 56 transitions. [2020-07-28 21:44:54,028 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 56 transitions. [2020-07-28 21:44:54,029 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:44:54,029 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:44:54,029 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:44:54,029 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:44:54,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-07-28 21:44:54,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 56 transitions. [2020-07-28 21:44:54,030 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 56 transitions. Word has length 14 [2020-07-28 21:44:54,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:44:54,031 INFO L479 AbstractCegarLoop]: Abstraction has 36 states and 56 transitions. [2020-07-28 21:44:54,031 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 21:44:54,031 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 56 transitions. [2020-07-28 21:44:54,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-28 21:44:54,031 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:44:54,031 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:44:54,032 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-28 21:44:54,032 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:44:54,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:44:54,032 INFO L82 PathProgramCache]: Analyzing trace with hash 16794271, now seen corresponding path program 1 times [2020-07-28 21:44:54,032 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:44:54,033 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419224119] [2020-07-28 21:44:54,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:44:54,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:44:54,104 INFO L280 TraceCheckUtils]: 0: Hoare triple {6445#true} [220] ULTIMATE.startENTRY-->L768: Formula: (let ((.cse0 (store |v_#valid_49| 0 0))) (and (= 0 v_~z~0_45) (= v_~__unbuffered_cnt~0_146 0) (= 0 v_~x~0_21) (= 0 v_~main$tmp_guard0~0_30) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t2531~0.base_18|)) (= 0 v_~main$tmp_guard1~0_33) (= (store |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2531~0.base_18| (store (select |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2531~0.base_18|) |v_ULTIMATE.start_main_~#t2531~0.offset_15| 0)) |v_#memory_int_17|) (= 0 |v_ULTIMATE.start_main_~#t2531~0.offset_15|) (= (store .cse0 |v_ULTIMATE.start_main_~#t2531~0.base_18| 1) |v_#valid_47|) (= 0 v_~__unbuffered_p0_EAX~0_39) (= 0 |v_#NULL.offset_4|) (= |v_#length_21| (store |v_#length_22| |v_ULTIMATE.start_main_~#t2531~0.base_18| 4)) (< 0 |v_#StackHeapBarrier_15|) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2531~0.base_18|) (= 0 v_~y~0_45) (= 0 |v_#NULL.base_4|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_49|, #memory_int=|v_#memory_int_18|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_~#t2533~0.base=|v_ULTIMATE.start_main_~#t2533~0.base_15|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_22|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_8|, #NULL.offset=|v_#NULL.offset_4|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_33, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_30, ULTIMATE.start_main_~#t2531~0.base=|v_ULTIMATE.start_main_~#t2531~0.base_18|, ULTIMATE.start_main_~#t2531~0.offset=|v_ULTIMATE.start_main_~#t2531~0.offset_15|, #NULL.base=|v_#NULL.base_4|, ULTIMATE.start_main_~#t2533~0.offset=|v_ULTIMATE.start_main_~#t2533~0.offset_13|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_39, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_14|, #valid=|v_#valid_47|, #memory_int=|v_#memory_int_17|, ULTIMATE.start_main_~#t2532~0.offset=|v_ULTIMATE.start_main_~#t2532~0.offset_13|, ULTIMATE.start_main_~#t2532~0.base=|v_ULTIMATE.start_main_~#t2532~0.base_15|, #length=|v_#length_21|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_146, ~z~0=v_~z~0_45, ~y~0=v_~y~0_45, ~x~0=v_~x~0_21} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2533~0.base, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, ULTIMATE.start_main_~#t2531~0.base, ULTIMATE.start_main_~#t2531~0.offset, #NULL.base, ULTIMATE.start_main_~#t2533~0.offset, ~__unbuffered_p0_EAX~0, ULTIMATE.start_main_#res, #valid, #memory_int, ULTIMATE.start_main_~#t2532~0.offset, ULTIMATE.start_main_~#t2532~0.base, #length, ~__unbuffered_cnt~0, ~z~0, ~y~0, ~x~0] {6445#true} is VALID [2020-07-28 21:44:54,104 INFO L280 TraceCheckUtils]: 1: Hoare triple {6445#true} [163] L768-->P0ENTRY: Formula: (and (= 0 v_P0Thread1of1ForFork0_thidvar0_2) (= 0 |v_P0Thread1of1ForFork0_#in~arg.base_3|) (= 0 |v_P0Thread1of1ForFork0_#in~arg.offset_3|)) InVars {} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_3|, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_3|, P0Thread1of1ForFork0_thidvar0=v_P0Thread1of1ForFork0_thidvar0_2, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_3|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_3|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_3, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_3} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#in~arg.offset, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_thidvar0, P0Thread1of1ForFork0_#in~arg.base, P0Thread1of1ForFork0_#res.base, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {6445#true} is VALID [2020-07-28 21:44:54,105 INFO L280 TraceCheckUtils]: 2: Hoare triple {6445#true} [201] L768-1-->L770: Formula: (and (not (= 0 |v_ULTIMATE.start_main_~#t2532~0.base_10|)) (= |v_#memory_int_11| (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2532~0.base_10| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2532~0.base_10|) |v_ULTIMATE.start_main_~#t2532~0.offset_9| 1))) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t2532~0.base_10|) (= 0 |v_ULTIMATE.start_main_~#t2532~0.offset_9|) (= |v_#valid_31| (store |v_#valid_32| |v_ULTIMATE.start_main_~#t2532~0.base_10| 1)) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t2532~0.base_10| 4)) (= 0 (select |v_#valid_32| |v_ULTIMATE.start_main_~#t2532~0.base_10|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_32|, #memory_int=|v_#memory_int_12|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_31|, #memory_int=|v_#memory_int_11|, ULTIMATE.start_main_~#t2532~0.offset=|v_ULTIMATE.start_main_~#t2532~0.offset_9|, ULTIMATE.start_main_~#t2532~0.base=|v_ULTIMATE.start_main_~#t2532~0.base_10|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, ULTIMATE.start_main_~#t2532~0.offset, ULTIMATE.start_main_~#t2532~0.base, #length] {6445#true} is VALID [2020-07-28 21:44:54,105 INFO L280 TraceCheckUtils]: 3: Hoare triple {6445#true} [165] L770-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork1_thidvar0_2) (= 0 |v_P1Thread1of1ForFork1_#in~arg.base_3|) (= 0 |v_P1Thread1of1ForFork1_#in~arg.offset_3|)) InVars {} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_3, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_3|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_3, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_3|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_3|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_3|, P1Thread1of1ForFork1_thidvar0=v_P1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_#res.offset, P1Thread1of1ForFork1_~arg.base, P1Thread1of1ForFork1_#in~arg.base, P1Thread1of1ForFork1_#in~arg.offset, P1Thread1of1ForFork1_#res.base, P1Thread1of1ForFork1_thidvar0] {6445#true} is VALID [2020-07-28 21:44:54,105 INFO L280 TraceCheckUtils]: 4: Hoare triple {6445#true} [200] L770-1-->L772: Formula: (and (not (= 0 |v_ULTIMATE.start_main_~#t2533~0.base_10|)) (= 0 (select |v_#valid_30| |v_ULTIMATE.start_main_~#t2533~0.base_10|)) (= (store |v_#valid_30| |v_ULTIMATE.start_main_~#t2533~0.base_10| 1) |v_#valid_29|) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t2533~0.base_10|) (= (store |v_#length_14| |v_ULTIMATE.start_main_~#t2533~0.base_10| 4) |v_#length_13|) (= 0 |v_ULTIMATE.start_main_~#t2533~0.offset_9|) (= |v_#memory_int_9| (store |v_#memory_int_10| |v_ULTIMATE.start_main_~#t2533~0.base_10| (store (select |v_#memory_int_10| |v_ULTIMATE.start_main_~#t2533~0.base_10|) |v_ULTIMATE.start_main_~#t2533~0.offset_9| 2)))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_30|, #memory_int=|v_#memory_int_10|, #length=|v_#length_14|} OutVars{ULTIMATE.start_main_~#t2533~0.base=|v_ULTIMATE.start_main_~#t2533~0.base_10|, #StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_29|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_9|, #length=|v_#length_13|, ULTIMATE.start_main_~#t2533~0.offset=|v_ULTIMATE.start_main_~#t2533~0.offset_9|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2533~0.base, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length, ULTIMATE.start_main_~#t2533~0.offset] {6445#true} is VALID [2020-07-28 21:44:54,106 INFO L280 TraceCheckUtils]: 5: Hoare triple {6445#true} [167] L772-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#in~arg.base_3|) (= 0 |v_P2Thread1of1ForFork2_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_3|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_3, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_3, P2Thread1of1ForFork2_thidvar0=v_P2Thread1of1ForFork2_thidvar0_2, P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_3|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_3|, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_3|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#in~arg.offset, P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, P2Thread1of1ForFork2_thidvar0, P2Thread1of1ForFork2_#res.base, P2Thread1of1ForFork2_#in~arg.base, P2Thread1of1ForFork2_#res.offset] {6445#true} is VALID [2020-07-28 21:44:54,107 INFO L280 TraceCheckUtils]: 6: Hoare triple {6445#true} [190] P1ENTRY-->L730: Formula: (and (= |v_P1Thread1of1ForFork1_#in~arg.offset_4| v_P1Thread1of1ForFork1_~arg.offset_4) (= v_P1Thread1of1ForFork1_~arg.base_4 |v_P1Thread1of1ForFork1_#in~arg.base_4|) (= 1 v_~x~0_10)) 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_10} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_~arg.base, ~x~0] {6447#(= 1 ~x~0)} is VALID [2020-07-28 21:44:54,107 INFO L280 TraceCheckUtils]: 7: Hoare triple {6447#(= 1 ~x~0)} [152] L730-->L733: Formula: (= v_~y~0_1 1) InVars {} OutVars{~y~0=v_~y~0_1} AuxVars[] AssignedVars[~y~0] {6447#(= 1 ~x~0)} is VALID [2020-07-28 21:44:54,108 INFO L280 TraceCheckUtils]: 8: Hoare triple {6447#(= 1 ~x~0)} [196] L733-->P1EXIT: Formula: (and (= (+ v_~__unbuffered_cnt~0_60 1) v_~__unbuffered_cnt~0_59) (= 0 |v_P1Thread1of1ForFork1_#res.base_5|) (= 0 |v_P1Thread1of1ForFork1_#res.offset_5|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_60} OutVars{P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_59, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_5|} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#res.offset, ~__unbuffered_cnt~0, P1Thread1of1ForFork1_#res.base] {6447#(= 1 ~x~0)} is VALID [2020-07-28 21:44:54,108 INFO L280 TraceCheckUtils]: 9: Hoare triple {6447#(= 1 ~x~0)} [189] P2ENTRY-->L745: Formula: (and (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= 2 v_~y~0_20) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4)) InVars {P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_4, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_4, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_20} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~y~0] {6447#(= 1 ~x~0)} is VALID [2020-07-28 21:44:54,109 INFO L280 TraceCheckUtils]: 10: Hoare triple {6447#(= 1 ~x~0)} [158] L745-->L748: Formula: (= v_~z~0_2 1) InVars {} OutVars{~z~0=v_~z~0_2} AuxVars[] AssignedVars[~z~0] {6447#(= 1 ~x~0)} is VALID [2020-07-28 21:44:54,110 INFO L280 TraceCheckUtils]: 11: Hoare triple {6447#(= 1 ~x~0)} [203] L748-->P2EXIT: Formula: (and (= |v_P2Thread1of1ForFork2_#res.offset_5| 0) (= 0 |v_P2Thread1of1ForFork2_#res.base_5|) (= v_~__unbuffered_cnt~0_89 (+ v_~__unbuffered_cnt~0_90 1))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_90} OutVars{P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_89, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_5|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#res.base, ~__unbuffered_cnt~0, P2Thread1of1ForFork2_#res.offset] {6447#(= 1 ~x~0)} is VALID [2020-07-28 21:44:54,111 INFO L280 TraceCheckUtils]: 12: Hoare triple {6447#(= 1 ~x~0)} [188] P0ENTRY-->L713: Formula: (and (= 2 v_~z~0_20) (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= v_P0Thread1of1ForFork0_~arg.base_4 |v_P0Thread1of1ForFork0_#in~arg.base_4|)) InVars {P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~z~0=v_~z~0_20, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_4, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_4} AuxVars[] AssignedVars[~z~0, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {6447#(= 1 ~x~0)} is VALID [2020-07-28 21:44:54,112 INFO L280 TraceCheckUtils]: 13: Hoare triple {6447#(= 1 ~x~0)} [146] L713-->L718: Formula: (= v_~__unbuffered_p0_EAX~0_1 v_~x~0_1) InVars {~x~0=v_~x~0_1} OutVars{~x~0=v_~x~0_1, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_1} AuxVars[] AssignedVars[~__unbuffered_p0_EAX~0] {6448#(= 1 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:44:54,112 INFO L280 TraceCheckUtils]: 14: Hoare triple {6448#(= 1 ~__unbuffered_p0_EAX~0)} [202] L718-->P0EXIT: Formula: (and (= 0 |v_P0Thread1of1ForFork0_#res.base_13|) (= 0 |v_P0Thread1of1ForFork0_#res.offset_13|) (= (+ v_~__unbuffered_cnt~0_78 1) v_~__unbuffered_cnt~0_77)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_78} OutVars{P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_13|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_13|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_77} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_#res.base, ~__unbuffered_cnt~0] {6448#(= 1 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:44:54,113 INFO L280 TraceCheckUtils]: 15: Hoare triple {6448#(= 1 ~__unbuffered_p0_EAX~0)} [207] L772-1-->L2: Formula: (and (let ((.cse0 (= 3 v_~__unbuffered_cnt~0_95))) (or (and (= 1 v_~main$tmp_guard0~0_21) .cse0) (and (= 0 v_~main$tmp_guard0~0_21) (not .cse0)))) (= (mod v_~main$tmp_guard0~0_21 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_5|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_95} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_5|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_13, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_13|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_95, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_21} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {6448#(= 1 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:44:54,114 INFO L280 TraceCheckUtils]: 16: Hoare triple {6448#(= 1 ~__unbuffered_p0_EAX~0)} [221] L2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 2 v_~z~0_48) (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_26)) (= 0 v_~__unbuffered_p0_EAX~0_43) (= v_ULTIMATE.start_assume_abort_if_not_~cond_26 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_16|) (= 0 v_~main$tmp_guard1~0_36) (= (mod v_~main$tmp_guard1~0_36 256) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_15|) (= 2 v_~y~0_48) (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_14)) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_16|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_43, ~z~0=v_~z~0_48, ~y~0=v_~y~0_48} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_16|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_43, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_14, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_26, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_36, ~z~0=v_~z~0_48, ~y~0=v_~y~0_48, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_15|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_assume_abort_if_not_~cond, ~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {6446#false} is VALID [2020-07-28 21:44:54,115 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 21:44:54,115 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419224119] [2020-07-28 21:44:54,115 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:44:54,115 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 21:44:54,116 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146819689] [2020-07-28 21:44:54,116 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-07-28 21:44:54,116 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:44:54,116 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 21:44:54,136 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:44:54,136 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 21:44:54,136 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:44:54,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 21:44:54,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 21:44:54,137 INFO L87 Difference]: Start difference. First operand 36 states and 56 transitions. Second operand 4 states. [2020-07-28 21:44:54,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:44:54,180 INFO L93 Difference]: Finished difference Result 35 states and 55 transitions. [2020-07-28 21:44:54,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-28 21:44:54,181 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-07-28 21:44:54,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:44:54,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:44:54,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2020-07-28 21:44:54,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:44:54,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2020-07-28 21:44:54,182 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 21 transitions. [2020-07-28 21:44:54,210 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 21 edges. 21 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:44:54,210 INFO L225 Difference]: With dead ends: 35 [2020-07-28 21:44:54,210 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 21:44:54,211 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 21:44:54,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 21:44:54,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 21:44:54,211 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:44:54,211 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 21:44:54,211 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 21:44:54,211 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 21:44:54,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:44:54,212 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 21:44:54,212 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 21:44:54,212 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:44:54,212 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:44:54,212 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 21:44:54,213 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 21:44:54,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:44:54,213 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 21:44:54,213 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 21:44:54,213 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:44:54,213 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:44:54,213 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:44:54,214 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:44:54,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 21:44:54,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 21:44:54,214 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2020-07-28 21:44:54,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:44:54,214 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 21:44:54,214 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 21:44:54,214 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 21:44:54,215 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:44:54,215 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-28 21:44:54,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 09:44:54 BasicIcfg [2020-07-28 21:44:54,219 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 21:44:54,220 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 21:44:54,220 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 21:44:54,220 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 21:44:54,221 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 09:44:48" (3/4) ... [2020-07-28 21:44:54,224 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 21:44:54,231 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2020-07-28 21:44:54,231 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2020-07-28 21:44:54,231 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2020-07-28 21:44:54,237 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-07-28 21:44:54,238 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-07-28 21:44:54,238 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 21:44:54,305 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 21:44:54,305 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 21:44:54,308 INFO L168 Benchmark]: Toolchain (without parser) took 7274.28 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 320.3 MB). Free memory was 960.2 MB in the beginning and 1.2 GB in the end (delta: -202.8 MB). Peak memory consumption was 117.6 MB. Max. memory is 11.5 GB. [2020-07-28 21:44:54,314 INFO L168 Benchmark]: CDTParser took 1.01 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 21:44:54,317 INFO L168 Benchmark]: CACSL2BoogieTranslator took 695.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -129.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2020-07-28 21:44:54,318 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 21:44:54,318 INFO L168 Benchmark]: Boogie Preprocessor took 27.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2020-07-28 21:44:54,319 INFO L168 Benchmark]: RCFGBuilder took 503.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2020-07-28 21:44:54,319 INFO L168 Benchmark]: TraceAbstraction took 5855.32 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 192.4 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -118.0 MB). Peak memory consumption was 74.4 MB. Max. memory is 11.5 GB. [2020-07-28 21:44:54,320 INFO L168 Benchmark]: Witness Printer took 85.65 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 21:44:54,322 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 1.01 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 695.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -129.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 96.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 503.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5855.32 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 192.4 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -118.0 MB). Peak memory consumption was 74.4 MB. Max. memory is 11.5 GB. * Witness Printer took 85.65 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.4s, 77 ProgramPointsBefore, 31 ProgramPointsAfterwards, 69 TransitionsBefore, 21 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 6 FixpointIterations, 13 TrivialSequentialCompositions, 35 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 2 ChoiceCompositions, 665 VarBasedMoverChecksPositive, 33 VarBasedMoverChecksNegative, 14 SemBasedMoverChecksPositive, 31 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.7s, 0 MoverChecksTotal, 2238 CheckedPairsTotal, 55 TotalNumberOfCompositions - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 68 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.7s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.5s, HoareTripleCheckerStatistics: 157 SDtfs, 114 SDslu, 178 SDs, 0 SdLazy, 97 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=298occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 8 MinimizatonAttempts, 14 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 95 NumberOfCodeBlocks, 95 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 87 ConstructedInterpolants, 0 QuantifiedInterpolants, 2567 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...