./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe037_rmo.opt.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/safe037_rmo.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b6dfdad9d1e6a84114d5f19025d1872cb382c444 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 21:47:57,522 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 21:47:57,525 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 21:47:57,538 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 21:47:57,538 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 21:47:57,539 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 21:47:57,541 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 21:47:57,543 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 21:47:57,545 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 21:47:57,546 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 21:47:57,547 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 21:47:57,549 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 21:47:57,549 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 21:47:57,550 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 21:47:57,551 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 21:47:57,553 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 21:47:57,554 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 21:47:57,555 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 21:47:57,557 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 21:47:57,559 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 21:47:57,561 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 21:47:57,562 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 21:47:57,563 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 21:47:57,564 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 21:47:57,567 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 21:47:57,568 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 21:47:57,568 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 21:47:57,569 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 21:47:57,570 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 21:47:57,571 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 21:47:57,571 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 21:47:57,572 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 21:47:57,573 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 21:47:57,574 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 21:47:57,575 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 21:47:57,575 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 21:47:57,576 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 21:47:57,577 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 21:47:57,577 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 21:47:57,578 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 21:47:57,579 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 21:47:57,580 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 21:47:57,603 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 21:47:57,604 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 21:47:57,605 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 21:47:57,606 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 21:47:57,606 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 21:47:57,606 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 21:47:57,606 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 21:47:57,606 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 21:47:57,607 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 21:47:57,607 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 21:47:57,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 21:47:57,608 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 21:47:57,608 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 21:47:57,609 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 21:47:57,609 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 21:47:57,609 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 21:47:57,609 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 21:47:57,610 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 21:47:57,610 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 21:47:57,610 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 21:47:57,611 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 21:47:57,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 21:47:57,611 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 21:47:57,611 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 21:47:57,611 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 21:47:57,612 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 21:47:57,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 21:47:57,612 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 21:47:57,612 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 21:47:57,612 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 -> b6dfdad9d1e6a84114d5f19025d1872cb382c444 [2020-07-28 21:47:57,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 21:47:57,958 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 21:47:57,961 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 21:47:57,963 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 21:47:57,964 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 21:47:57,965 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe037_rmo.opt.i [2020-07-28 21:47:58,031 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7c9bddbe/7a63632667e84bd595a6e09b38f414de/FLAG942fe6c33 [2020-07-28 21:47:58,603 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 21:47:58,604 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe037_rmo.opt.i [2020-07-28 21:47:58,622 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7c9bddbe/7a63632667e84bd595a6e09b38f414de/FLAG942fe6c33 [2020-07-28 21:47:59,001 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7c9bddbe/7a63632667e84bd595a6e09b38f414de [2020-07-28 21:47:59,006 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 21:47:59,009 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 21:47:59,010 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 21:47:59,010 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 21:47:59,015 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 21:47:59,017 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 09:47:59" (1/1) ... [2020-07-28 21:47:59,020 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ab2eda9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:47:59, skipping insertion in model container [2020-07-28 21:47:59,020 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 09:47:59" (1/1) ... [2020-07-28 21:47:59,029 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 21:47:59,098 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 21:47:59,571 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 21:47:59,592 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 21:47:59,685 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 21:47:59,758 INFO L208 MainTranslator]: Completed translation [2020-07-28 21:47:59,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:47:59 WrapperNode [2020-07-28 21:47:59,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 21:47:59,760 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 21:47:59,760 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 21:47:59,760 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 21:47:59,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:47:59" (1/1) ... [2020-07-28 21:47:59,786 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:47:59" (1/1) ... [2020-07-28 21:47:59,812 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 21:47:59,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 21:47:59,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 21:47:59,813 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 21:47:59,822 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:47:59" (1/1) ... [2020-07-28 21:47:59,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:47:59" (1/1) ... [2020-07-28 21:47:59,826 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:47:59" (1/1) ... [2020-07-28 21:47:59,826 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:47:59" (1/1) ... [2020-07-28 21:47:59,835 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:47:59" (1/1) ... [2020-07-28 21:47:59,838 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:47:59" (1/1) ... [2020-07-28 21:47:59,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:47:59" (1/1) ... [2020-07-28 21:47:59,843 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 21:47:59,843 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 21:47:59,844 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 21:47:59,844 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 21:47:59,845 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:47:59" (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 21:47:59,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-28 21:47:59,916 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-07-28 21:47:59,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 21:47:59,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 21:47:59,917 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-07-28 21:47:59,917 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-07-28 21:47:59,918 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-07-28 21:47:59,918 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-07-28 21:47:59,918 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-07-28 21:47:59,919 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-07-28 21:47:59,919 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-07-28 21:47:59,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 21:47:59,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 21:47:59,922 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 21:48:00,393 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 21:48:00,394 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-07-28 21:48:00,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 09:48:00 BoogieIcfgContainer [2020-07-28 21:48:00,399 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 21:48:00,401 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 21:48:00,401 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 21:48:00,404 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 21:48:00,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 09:47:59" (1/3) ... [2020-07-28 21:48:00,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37b7226d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 09:48:00, skipping insertion in model container [2020-07-28 21:48:00,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:47:59" (2/3) ... [2020-07-28 21:48:00,407 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37b7226d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 09:48:00, skipping insertion in model container [2020-07-28 21:48:00,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 09:48:00" (3/3) ... [2020-07-28 21:48:00,409 INFO L109 eAbstractionObserver]: Analyzing ICFG safe037_rmo.opt.i [2020-07-28 21:48:00,420 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-07-28 21:48:00,420 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 21:48:00,429 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 21:48:00,430 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-07-28 21:48:00,464 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:00,465 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:00,465 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:00,465 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:00,466 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:00,466 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:00,467 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:00,467 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:00,468 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:00,468 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:00,469 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:00,469 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:00,469 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:00,470 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:00,470 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:00,470 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:00,471 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:00,471 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:00,475 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:00,475 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:00,476 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:00,476 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:00,484 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:00,485 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:00,485 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:00,485 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:00,489 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:00,489 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:00,490 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:00,490 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:48:00,511 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-07-28 21:48:00,530 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 21:48:00,531 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 21:48:00,531 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 21:48:00,531 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 21:48:00,531 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 21:48:00,531 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 21:48:00,531 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 21:48:00,531 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 21:48:00,547 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 71 transitions, 157 flow [2020-07-28 21:48:00,550 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 71 transitions, 157 flow [2020-07-28 21:48:00,596 INFO L129 PetriNetUnfolder]: 2/68 cut-off events. [2020-07-28 21:48:00,597 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-07-28 21:48:00,602 INFO L80 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 68 events. 2/68 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 50 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-07-28 21:48:00,605 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 71 transitions, 157 flow [2020-07-28 21:48:00,638 INFO L129 PetriNetUnfolder]: 2/68 cut-off events. [2020-07-28 21:48:00,638 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-07-28 21:48:00,639 INFO L80 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 68 events. 2/68 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 50 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-07-28 21:48:00,641 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1260 [2020-07-28 21:48:00,642 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-07-28 21:48:02,819 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2315 [2020-07-28 21:48:02,819 INFO L214 etLargeBlockEncoding]: Total number of compositions: 57 [2020-07-28 21:48:02,826 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 32 places, 23 transitions, 61 flow [2020-07-28 21:48:02,860 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 362 states. [2020-07-28 21:48:02,863 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states. [2020-07-28 21:48:02,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-07-28 21:48:02,872 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:48:02,873 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:48:02,873 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:48:02,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:48:02,880 INFO L82 PathProgramCache]: Analyzing trace with hash 385809968, now seen corresponding path program 1 times [2020-07-28 21:48:02,891 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:48:02,891 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545124136] [2020-07-28 21:48:02,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:48:03,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:48:03,088 INFO L280 TraceCheckUtils]: 0: Hoare triple {806#true} [228] ULTIMATE.startENTRY-->L776: Formula: (let ((.cse0 (store |v_#valid_51| 0 0))) (and (= 0 |v_#NULL.base_5|) (= 0 v_~main$tmp_guard1~0_27) (= 0 v_~z~0_23) (= 0 v_~y~0_18) (= 0 |v_ULTIMATE.start_main_~#t2656~0.offset_13|) (= 0 v_~main$tmp_guard0~0_43) (= |v_#length_21| (store |v_#length_22| |v_ULTIMATE.start_main_~#t2656~0.base_15| 4)) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t2656~0.base_15|)) (= (store .cse0 |v_ULTIMATE.start_main_~#t2656~0.base_15| 1) |v_#valid_49|) (= 0 v_~__unbuffered_p1_EAX~0_30) (= 0 v_~__unbuffered_p2_EAX~0_33) (= 0 |v_#NULL.offset_5|) (< 0 |v_#StackHeapBarrier_14|) (= 0 v_~x~0_18) (= 0 v_~__unbuffered_p0_EAX~0_29) (< |v_#StackHeapBarrier_14| |v_ULTIMATE.start_main_~#t2656~0.base_15|) (= v_~__unbuffered_cnt~0_129 0) (= |v_#memory_int_17| (store |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2656~0.base_15| (store (select |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2656~0.base_15|) |v_ULTIMATE.start_main_~#t2656~0.offset_13| 0))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_14|, #valid=|v_#valid_51|, #memory_int=|v_#memory_int_18|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_27|, ULTIMATE.start_main_~#t2656~0.offset=|v_ULTIMATE.start_main_~#t2656~0.offset_13|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, #NULL.offset=|v_#NULL.offset_5|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_27, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_29, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_30, #length=|v_#length_21|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_33, ~y~0=v_~y~0_18, ULTIMATE.start_main_~#t2657~0.base=|v_ULTIMATE.start_main_~#t2657~0.base_17|, ULTIMATE.start_main_~#t2656~0.base=|v_ULTIMATE.start_main_~#t2656~0.base_15|, ULTIMATE.start_main_~#t2657~0.offset=|v_ULTIMATE.start_main_~#t2657~0.offset_14|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_43, #NULL.base=|v_#NULL.base_5|, ULTIMATE.start_main_~#t2658~0.base=|v_ULTIMATE.start_main_~#t2658~0.base_17|, #StackHeapBarrier=|v_#StackHeapBarrier_14|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_16|, #valid=|v_#valid_49|, ULTIMATE.start_main_~#t2658~0.offset=|v_ULTIMATE.start_main_~#t2658~0.offset_14|, #memory_int=|v_#memory_int_17|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_129, ~z~0=v_~z~0_23, ~x~0=v_~x~0_18} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t2656~0.offset, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~#t2656~0.base, ULTIMATE.start_main_~#t2657~0.offset, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t2658~0.base, ~__unbuffered_p0_EAX~0, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_#res, #valid, ULTIMATE.start_main_~#t2658~0.offset, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ~x~0, ULTIMATE.start_main_~#t2657~0.base] {806#true} is VALID [2020-07-28 21:48:03,089 INFO L280 TraceCheckUtils]: 1: Hoare triple {806#true} [167] L776-->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] {806#true} is VALID [2020-07-28 21:48:03,089 INFO L280 TraceCheckUtils]: 2: Hoare triple {806#true} [217] L776-1-->L778: Formula: (and (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2657~0.base_13| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2657~0.base_13|) |v_ULTIMATE.start_main_~#t2657~0.offset_11| 1)) |v_#memory_int_13|) (not (= |v_ULTIMATE.start_main_~#t2657~0.base_13| 0)) (= |v_#length_17| (store |v_#length_18| |v_ULTIMATE.start_main_~#t2657~0.base_13| 4)) (= 0 |v_ULTIMATE.start_main_~#t2657~0.offset_11|) (= 0 (select |v_#valid_39| |v_ULTIMATE.start_main_~#t2657~0.base_13|)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2657~0.base_13|) (= |v_#valid_38| (store |v_#valid_39| |v_ULTIMATE.start_main_~#t2657~0.base_13| 1))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_39|, #memory_int=|v_#memory_int_14|, #length=|v_#length_18|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, #valid=|v_#valid_38|, #memory_int=|v_#memory_int_13|, ULTIMATE.start_main_~#t2657~0.offset=|v_ULTIMATE.start_main_~#t2657~0.offset_11|, #length=|v_#length_17|, ULTIMATE.start_main_~#t2657~0.base=|v_ULTIMATE.start_main_~#t2657~0.base_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, ULTIMATE.start_main_~#t2657~0.offset, #length, ULTIMATE.start_main_~#t2657~0.base] {806#true} is VALID [2020-07-28 21:48:03,090 INFO L280 TraceCheckUtils]: 3: Hoare triple {806#true} [169] L778-->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] {806#true} is VALID [2020-07-28 21:48:03,090 INFO L280 TraceCheckUtils]: 4: Hoare triple {806#true} [216] L778-1-->L780: Formula: (and (= (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2658~0.base_13| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2658~0.base_13|) |v_ULTIMATE.start_main_~#t2658~0.offset_11| 2)) |v_#memory_int_11|) (= 0 |v_ULTIMATE.start_main_~#t2658~0.offset_11|) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t2658~0.base_13| 4)) (= 0 (select |v_#valid_37| |v_ULTIMATE.start_main_~#t2658~0.base_13|)) (= |v_#valid_36| (store |v_#valid_37| |v_ULTIMATE.start_main_~#t2658~0.base_13| 1)) (not (= 0 |v_ULTIMATE.start_main_~#t2658~0.base_13|)) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t2658~0.base_13|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_12|, #length=|v_#length_16|} OutVars{ULTIMATE.start_main_~#t2658~0.base=|v_ULTIMATE.start_main_~#t2658~0.base_13|, #StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_~#t2658~0.offset=|v_ULTIMATE.start_main_~#t2658~0.offset_11|, #valid=|v_#valid_36|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_11|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2658~0.base, ULTIMATE.start_main_~#t2658~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length] {806#true} is VALID [2020-07-28 21:48:03,091 INFO L280 TraceCheckUtils]: 5: Hoare triple {806#true} [171] L780-->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] {806#true} is VALID [2020-07-28 21:48:03,095 INFO L280 TraceCheckUtils]: 6: Hoare triple {806#true} [226] L780-1-->L790: Formula: false InVars {} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_10|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_14, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_22|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_24, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_38, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_12|} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard1~0, ~main$tmp_guard0~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {807#false} is VALID [2020-07-28 21:48:03,095 INFO L280 TraceCheckUtils]: 7: Hoare triple {807#false} [203] L790-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_9) (= v_ULTIMATE.start___VERIFIER_assert_~expression_9 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_9, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] {807#false} is VALID [2020-07-28 21:48:03,098 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 21:48:03,099 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545124136] [2020-07-28 21:48:03,100 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:48:03,100 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 21:48:03,101 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754202043] [2020-07-28 21:48:03,107 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-07-28 21:48:03,109 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:48:03,113 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 21:48:03,131 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 21:48:03,131 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 21:48:03,131 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:48:03,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 21:48:03,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 21:48:03,145 INFO L87 Difference]: Start difference. First operand 362 states. Second operand 2 states. [2020-07-28 21:48:03,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:03,279 INFO L93 Difference]: Finished difference Result 362 states and 1072 transitions. [2020-07-28 21:48:03,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 21:48:03,279 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-07-28 21:48:03,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:48:03,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 21:48:03,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 20 transitions. [2020-07-28 21:48:03,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 21:48:03,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 20 transitions. [2020-07-28 21:48:03,283 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 20 transitions. [2020-07-28 21:48:03,316 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:48:03,349 INFO L225 Difference]: With dead ends: 362 [2020-07-28 21:48:03,349 INFO L226 Difference]: Without dead ends: 298 [2020-07-28 21:48:03,351 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 21:48:03,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2020-07-28 21:48:03,406 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,411 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,412 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,412 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,412 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,413 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,413 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,413 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,414 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,414 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,414 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,415 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,415 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,415 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,416 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,416 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,416 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,417 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,417 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,417 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,417 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,418 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,418 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,418 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,419 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,419 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,419 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,420 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,420 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,420 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,421 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,421 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,421 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,422 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,422 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,422 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,422 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,423 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,423 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,423 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,424 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,424 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,424 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,425 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,425 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,425 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,426 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,426 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,426 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,427 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,427 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,427 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,427 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,428 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,428 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,428 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,429 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,429 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,429 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,430 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,430 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,431 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,431 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,431 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,432 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,432 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,432 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,432 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,433 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,433 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,433 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,434 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,434 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,434 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,435 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,435 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,435 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,436 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,436 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,436 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,437 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,437 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,437 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,438 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,438 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,438 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,439 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,439 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,439 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,440 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,440 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,440 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,441 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,441 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,441 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,442 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,442 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,442 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,442 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,443 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,443 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,443 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,444 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,444 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,444 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,445 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,445 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,445 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,446 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,446 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,446 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,447 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,447 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,447 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,448 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,448 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,448 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,449 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,449 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,449 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,450 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,450 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,450 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,451 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,451 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,451 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,452 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,452 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,452 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,453 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,453 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,453 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,454 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,454 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,454 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,455 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,455 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,455 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,456 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,456 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,456 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,457 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,457 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,457 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,458 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,458 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,458 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,459 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,459 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,459 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,460 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,460 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,460 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,461 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,461 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,461 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,461 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,462 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,462 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,462 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,463 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,463 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,463 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,464 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,464 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,464 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,464 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,465 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,465 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,465 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,466 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,466 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,466 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,467 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,467 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,467 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,468 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,468 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,468 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,469 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,469 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,469 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,470 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,470 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,470 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,471 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,471 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,471 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,472 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,472 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,472 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,473 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,473 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,473 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,474 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,474 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,474 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,474 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,475 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,475 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,475 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,476 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,476 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,476 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,477 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,477 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,477 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,478 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,478 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,478 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,478 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,479 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,479 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,479 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,480 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,480 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,480 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,481 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,481 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,481 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,482 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,482 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,482 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,482 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,483 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,483 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,484 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,484 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,484 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,485 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,485 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,485 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,486 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,486 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,486 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,487 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,487 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,487 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,488 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,488 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,488 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,489 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,489 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,489 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,489 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,490 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,490 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,490 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,491 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,491 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,492 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,492 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,492 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,493 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,493 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,493 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,494 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,494 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,494 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,495 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,495 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,496 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,496 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,496 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,497 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,497 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,497 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,498 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,498 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,498 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,498 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,499 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,499 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,499 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,500 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,500 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,500 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,501 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,501 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,501 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,502 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,502 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,502 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,503 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,503 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,503 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,504 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,504 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,505 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,505 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,505 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,506 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,506 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,506 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,507 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,507 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,508 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,508 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298. [2020-07-28 21:48:03,509 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:48:03,510 INFO L82 GeneralOperation]: Start isEquivalent. First operand 298 states. Second operand 298 states. [2020-07-28 21:48:03,511 INFO L74 IsIncluded]: Start isIncluded. First operand 298 states. Second operand 298 states. [2020-07-28 21:48:03,511 INFO L87 Difference]: Start difference. First operand 298 states. Second operand 298 states. [2020-07-28 21:48:03,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:03,540 INFO L93 Difference]: Finished difference Result 298 states and 864 transitions. [2020-07-28 21:48:03,540 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 864 transitions. [2020-07-28 21:48:03,543 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:03,544 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:03,544 INFO L74 IsIncluded]: Start isIncluded. First operand 298 states. Second operand 298 states. [2020-07-28 21:48:03,544 INFO L87 Difference]: Start difference. First operand 298 states. Second operand 298 states. [2020-07-28 21:48:03,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:03,574 INFO L93 Difference]: Finished difference Result 298 states and 864 transitions. [2020-07-28 21:48:03,574 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 864 transitions. [2020-07-28 21:48:03,578 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:03,578 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:03,579 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:48:03,579 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:48:03,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-07-28 21:48:03,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 864 transitions. [2020-07-28 21:48:03,601 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 864 transitions. Word has length 8 [2020-07-28 21:48:03,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:48:03,602 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 864 transitions. [2020-07-28 21:48:03,602 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 21:48:03,602 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 864 transitions. [2020-07-28 21:48:03,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-07-28 21:48:03,603 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:48:03,603 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:48:03,604 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 21:48:03,604 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:48:03,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:48:03,605 INFO L82 PathProgramCache]: Analyzing trace with hash -924796273, now seen corresponding path program 1 times [2020-07-28 21:48:03,605 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:48:03,605 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758286657] [2020-07-28 21:48:03,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:48:03,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:48:03,704 INFO L280 TraceCheckUtils]: 0: Hoare triple {2364#true} [228] ULTIMATE.startENTRY-->L776: Formula: (let ((.cse0 (store |v_#valid_51| 0 0))) (and (= 0 |v_#NULL.base_5|) (= 0 v_~main$tmp_guard1~0_27) (= 0 v_~z~0_23) (= 0 v_~y~0_18) (= 0 |v_ULTIMATE.start_main_~#t2656~0.offset_13|) (= 0 v_~main$tmp_guard0~0_43) (= |v_#length_21| (store |v_#length_22| |v_ULTIMATE.start_main_~#t2656~0.base_15| 4)) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t2656~0.base_15|)) (= (store .cse0 |v_ULTIMATE.start_main_~#t2656~0.base_15| 1) |v_#valid_49|) (= 0 v_~__unbuffered_p1_EAX~0_30) (= 0 v_~__unbuffered_p2_EAX~0_33) (= 0 |v_#NULL.offset_5|) (< 0 |v_#StackHeapBarrier_14|) (= 0 v_~x~0_18) (= 0 v_~__unbuffered_p0_EAX~0_29) (< |v_#StackHeapBarrier_14| |v_ULTIMATE.start_main_~#t2656~0.base_15|) (= v_~__unbuffered_cnt~0_129 0) (= |v_#memory_int_17| (store |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2656~0.base_15| (store (select |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2656~0.base_15|) |v_ULTIMATE.start_main_~#t2656~0.offset_13| 0))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_14|, #valid=|v_#valid_51|, #memory_int=|v_#memory_int_18|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_27|, ULTIMATE.start_main_~#t2656~0.offset=|v_ULTIMATE.start_main_~#t2656~0.offset_13|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, #NULL.offset=|v_#NULL.offset_5|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_27, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_29, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_30, #length=|v_#length_21|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_33, ~y~0=v_~y~0_18, ULTIMATE.start_main_~#t2657~0.base=|v_ULTIMATE.start_main_~#t2657~0.base_17|, ULTIMATE.start_main_~#t2656~0.base=|v_ULTIMATE.start_main_~#t2656~0.base_15|, ULTIMATE.start_main_~#t2657~0.offset=|v_ULTIMATE.start_main_~#t2657~0.offset_14|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_43, #NULL.base=|v_#NULL.base_5|, ULTIMATE.start_main_~#t2658~0.base=|v_ULTIMATE.start_main_~#t2658~0.base_17|, #StackHeapBarrier=|v_#StackHeapBarrier_14|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_16|, #valid=|v_#valid_49|, ULTIMATE.start_main_~#t2658~0.offset=|v_ULTIMATE.start_main_~#t2658~0.offset_14|, #memory_int=|v_#memory_int_17|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_129, ~z~0=v_~z~0_23, ~x~0=v_~x~0_18} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t2656~0.offset, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~#t2656~0.base, ULTIMATE.start_main_~#t2657~0.offset, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t2658~0.base, ~__unbuffered_p0_EAX~0, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_#res, #valid, ULTIMATE.start_main_~#t2658~0.offset, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ~x~0, ULTIMATE.start_main_~#t2657~0.base] {2366#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:48:03,705 INFO L280 TraceCheckUtils]: 1: Hoare triple {2366#(= 0 ~__unbuffered_cnt~0)} [167] L776-->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] {2366#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:48:03,706 INFO L280 TraceCheckUtils]: 2: Hoare triple {2366#(= 0 ~__unbuffered_cnt~0)} [217] L776-1-->L778: Formula: (and (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2657~0.base_13| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2657~0.base_13|) |v_ULTIMATE.start_main_~#t2657~0.offset_11| 1)) |v_#memory_int_13|) (not (= |v_ULTIMATE.start_main_~#t2657~0.base_13| 0)) (= |v_#length_17| (store |v_#length_18| |v_ULTIMATE.start_main_~#t2657~0.base_13| 4)) (= 0 |v_ULTIMATE.start_main_~#t2657~0.offset_11|) (= 0 (select |v_#valid_39| |v_ULTIMATE.start_main_~#t2657~0.base_13|)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2657~0.base_13|) (= |v_#valid_38| (store |v_#valid_39| |v_ULTIMATE.start_main_~#t2657~0.base_13| 1))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_39|, #memory_int=|v_#memory_int_14|, #length=|v_#length_18|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, #valid=|v_#valid_38|, #memory_int=|v_#memory_int_13|, ULTIMATE.start_main_~#t2657~0.offset=|v_ULTIMATE.start_main_~#t2657~0.offset_11|, #length=|v_#length_17|, ULTIMATE.start_main_~#t2657~0.base=|v_ULTIMATE.start_main_~#t2657~0.base_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, ULTIMATE.start_main_~#t2657~0.offset, #length, ULTIMATE.start_main_~#t2657~0.base] {2366#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:48:03,707 INFO L280 TraceCheckUtils]: 3: Hoare triple {2366#(= 0 ~__unbuffered_cnt~0)} [169] L778-->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] {2366#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:48:03,707 INFO L280 TraceCheckUtils]: 4: Hoare triple {2366#(= 0 ~__unbuffered_cnt~0)} [216] L778-1-->L780: Formula: (and (= (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2658~0.base_13| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2658~0.base_13|) |v_ULTIMATE.start_main_~#t2658~0.offset_11| 2)) |v_#memory_int_11|) (= 0 |v_ULTIMATE.start_main_~#t2658~0.offset_11|) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t2658~0.base_13| 4)) (= 0 (select |v_#valid_37| |v_ULTIMATE.start_main_~#t2658~0.base_13|)) (= |v_#valid_36| (store |v_#valid_37| |v_ULTIMATE.start_main_~#t2658~0.base_13| 1)) (not (= 0 |v_ULTIMATE.start_main_~#t2658~0.base_13|)) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t2658~0.base_13|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_12|, #length=|v_#length_16|} OutVars{ULTIMATE.start_main_~#t2658~0.base=|v_ULTIMATE.start_main_~#t2658~0.base_13|, #StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_~#t2658~0.offset=|v_ULTIMATE.start_main_~#t2658~0.offset_11|, #valid=|v_#valid_36|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_11|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2658~0.base, ULTIMATE.start_main_~#t2658~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length] {2366#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:48:03,708 INFO L280 TraceCheckUtils]: 5: Hoare triple {2366#(= 0 ~__unbuffered_cnt~0)} [171] L780-->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] {2366#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:48:03,709 INFO L280 TraceCheckUtils]: 6: Hoare triple {2366#(= 0 ~__unbuffered_cnt~0)} [222] L780-1-->L2-1: Formula: (and (= v_ULTIMATE.start_assume_abort_if_not_~cond_13 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_9|) (= 1 v_~main$tmp_guard0~0_32) (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond_9| (mod v_~main$tmp_guard0~0_32 256)) (= 3 v_~__unbuffered_cnt~0_98)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_98} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_9|, 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_16|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_98, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_32} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {2365#false} is VALID [2020-07-28 21:48:03,710 INFO L280 TraceCheckUtils]: 7: Hoare triple {2365#false} [211] L2-1-->L790: Formula: (and (let ((.cse0 (= 0 v_~__unbuffered_p0_EAX~0_22)) (.cse2 (= 0 v_~__unbuffered_p1_EAX~0_23)) (.cse1 (= 0 v_~__unbuffered_p2_EAX~0_23))) (or (and .cse0 .cse1 (= 0 v_~main$tmp_guard1~0_19) .cse2) (and (or (not .cse0) (not .cse2) (not .cse1)) (= 1 v_~main$tmp_guard1~0_19)))) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_7| (mod v_~main$tmp_guard1~0_19 256))) InVars {~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_23, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_23, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_19, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_7|} AuxVars[] AssignedVars[~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {2365#false} is VALID [2020-07-28 21:48:03,710 INFO L280 TraceCheckUtils]: 8: Hoare triple {2365#false} [203] L790-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_9) (= v_ULTIMATE.start___VERIFIER_assert_~expression_9 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_9, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] {2365#false} is VALID [2020-07-28 21:48:03,711 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 21:48:03,711 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758286657] [2020-07-28 21:48:03,712 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:48:03,712 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 21:48:03,712 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738631713] [2020-07-28 21:48:03,714 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-07-28 21:48:03,714 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:48:03,714 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 21:48:03,727 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 21:48:03,728 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 21:48:03,728 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:48:03,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 21:48:03,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 21:48:03,729 INFO L87 Difference]: Start difference. First operand 298 states and 864 transitions. Second operand 3 states. [2020-07-28 21:48:03,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:03,781 INFO L93 Difference]: Finished difference Result 217 states and 540 transitions. [2020-07-28 21:48:03,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 21:48:03,782 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-07-28 21:48:03,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:48:03,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 21:48:03,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 32 transitions. [2020-07-28 21:48:03,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 21:48:03,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 32 transitions. [2020-07-28 21:48:03,784 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 32 transitions. [2020-07-28 21:48:03,825 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:48:03,831 INFO L225 Difference]: With dead ends: 217 [2020-07-28 21:48:03,831 INFO L226 Difference]: Without dead ends: 217 [2020-07-28 21:48:03,832 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 21:48:03,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2020-07-28 21:48:03,841 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,842 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,842 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,842 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,843 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,843 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,843 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,844 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,844 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,844 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,844 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,845 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,845 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,845 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,846 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,846 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,846 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,846 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,847 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,847 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,847 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,847 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,848 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,848 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,848 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,849 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,849 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,849 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,849 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,850 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,850 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,850 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,851 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,851 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,851 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,851 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,852 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,852 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,852 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,853 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,853 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,853 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,853 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,854 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,854 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,854 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,854 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,855 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,855 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,855 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,855 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,856 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,856 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,856 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,857 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,857 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,857 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,857 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,858 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,858 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,858 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,858 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,859 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,859 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,859 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,859 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,860 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,860 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,860 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,860 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,861 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,861 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,861 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,862 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,862 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,862 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,862 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,863 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,863 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,863 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,863 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,864 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,864 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,864 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,864 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,865 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,865 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,865 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,866 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,866 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,866 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,867 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,867 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,867 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,867 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,868 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,868 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,868 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,869 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,869 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,869 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,869 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,870 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,870 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,870 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,871 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,871 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,871 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,871 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,872 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,872 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,872 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,872 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,873 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,873 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,873 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,873 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,874 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,874 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,874 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,875 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,875 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,875 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,875 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,876 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,876 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,876 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,876 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,877 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,877 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,877 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,877 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,878 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,878 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,878 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,878 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,879 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,879 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,879 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,879 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,880 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,880 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,880 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,881 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,881 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,881 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,881 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,882 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,882 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,882 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,882 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,883 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,883 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,883 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,884 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,884 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,884 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,884 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,885 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,885 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,885 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,885 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,886 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,886 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,886 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,886 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,887 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,887 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,887 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,888 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,888 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,888 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,888 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,889 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,889 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,889 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,890 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,890 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,890 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,891 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,891 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,891 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,891 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,892 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,892 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,892 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,893 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,893 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,893 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,893 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,894 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,894 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,894 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,894 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,895 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,895 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,895 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,895 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,896 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,896 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,896 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,897 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,897 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,897 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,897 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,898 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,898 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,898 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,899 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,899 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,899 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,899 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,900 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,900 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,900 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,901 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,901 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:03,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2020-07-28 21:48:03,902 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:48:03,902 INFO L82 GeneralOperation]: Start isEquivalent. First operand 217 states. Second operand 217 states. [2020-07-28 21:48:03,902 INFO L74 IsIncluded]: Start isIncluded. First operand 217 states. Second operand 217 states. [2020-07-28 21:48:03,902 INFO L87 Difference]: Start difference. First operand 217 states. Second operand 217 states. [2020-07-28 21:48:03,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:03,914 INFO L93 Difference]: Finished difference Result 217 states and 540 transitions. [2020-07-28 21:48:03,914 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 540 transitions. [2020-07-28 21:48:03,915 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:03,915 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:03,915 INFO L74 IsIncluded]: Start isIncluded. First operand 217 states. Second operand 217 states. [2020-07-28 21:48:03,915 INFO L87 Difference]: Start difference. First operand 217 states. Second operand 217 states. [2020-07-28 21:48:03,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:03,927 INFO L93 Difference]: Finished difference Result 217 states and 540 transitions. [2020-07-28 21:48:03,927 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 540 transitions. [2020-07-28 21:48:03,928 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:03,928 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:03,928 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:48:03,928 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:48:03,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2020-07-28 21:48:03,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 540 transitions. [2020-07-28 21:48:03,940 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 540 transitions. Word has length 9 [2020-07-28 21:48:03,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:48:03,940 INFO L479 AbstractCegarLoop]: Abstraction has 217 states and 540 transitions. [2020-07-28 21:48:03,940 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 21:48:03,940 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 540 transitions. [2020-07-28 21:48:03,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-28 21:48:03,941 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:48:03,941 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:48:03,942 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 21:48:03,942 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:48:03,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:48:03,943 INFO L82 PathProgramCache]: Analyzing trace with hash 1123394358, now seen corresponding path program 1 times [2020-07-28 21:48:03,943 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:48:03,943 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160414514] [2020-07-28 21:48:03,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:48:03,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:48:04,047 INFO L280 TraceCheckUtils]: 0: Hoare triple {3454#true} [228] ULTIMATE.startENTRY-->L776: Formula: (let ((.cse0 (store |v_#valid_51| 0 0))) (and (= 0 |v_#NULL.base_5|) (= 0 v_~main$tmp_guard1~0_27) (= 0 v_~z~0_23) (= 0 v_~y~0_18) (= 0 |v_ULTIMATE.start_main_~#t2656~0.offset_13|) (= 0 v_~main$tmp_guard0~0_43) (= |v_#length_21| (store |v_#length_22| |v_ULTIMATE.start_main_~#t2656~0.base_15| 4)) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t2656~0.base_15|)) (= (store .cse0 |v_ULTIMATE.start_main_~#t2656~0.base_15| 1) |v_#valid_49|) (= 0 v_~__unbuffered_p1_EAX~0_30) (= 0 v_~__unbuffered_p2_EAX~0_33) (= 0 |v_#NULL.offset_5|) (< 0 |v_#StackHeapBarrier_14|) (= 0 v_~x~0_18) (= 0 v_~__unbuffered_p0_EAX~0_29) (< |v_#StackHeapBarrier_14| |v_ULTIMATE.start_main_~#t2656~0.base_15|) (= v_~__unbuffered_cnt~0_129 0) (= |v_#memory_int_17| (store |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2656~0.base_15| (store (select |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2656~0.base_15|) |v_ULTIMATE.start_main_~#t2656~0.offset_13| 0))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_14|, #valid=|v_#valid_51|, #memory_int=|v_#memory_int_18|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_27|, ULTIMATE.start_main_~#t2656~0.offset=|v_ULTIMATE.start_main_~#t2656~0.offset_13|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, #NULL.offset=|v_#NULL.offset_5|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_27, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_29, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_30, #length=|v_#length_21|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_33, ~y~0=v_~y~0_18, ULTIMATE.start_main_~#t2657~0.base=|v_ULTIMATE.start_main_~#t2657~0.base_17|, ULTIMATE.start_main_~#t2656~0.base=|v_ULTIMATE.start_main_~#t2656~0.base_15|, ULTIMATE.start_main_~#t2657~0.offset=|v_ULTIMATE.start_main_~#t2657~0.offset_14|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_43, #NULL.base=|v_#NULL.base_5|, ULTIMATE.start_main_~#t2658~0.base=|v_ULTIMATE.start_main_~#t2658~0.base_17|, #StackHeapBarrier=|v_#StackHeapBarrier_14|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_16|, #valid=|v_#valid_49|, ULTIMATE.start_main_~#t2658~0.offset=|v_ULTIMATE.start_main_~#t2658~0.offset_14|, #memory_int=|v_#memory_int_17|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_129, ~z~0=v_~z~0_23, ~x~0=v_~x~0_18} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t2656~0.offset, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~#t2656~0.base, ULTIMATE.start_main_~#t2657~0.offset, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t2658~0.base, ~__unbuffered_p0_EAX~0, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_#res, #valid, ULTIMATE.start_main_~#t2658~0.offset, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ~x~0, ULTIMATE.start_main_~#t2657~0.base] {3456#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:48:04,048 INFO L280 TraceCheckUtils]: 1: Hoare triple {3456#(= 0 ~__unbuffered_cnt~0)} [167] L776-->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] {3456#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:48:04,048 INFO L280 TraceCheckUtils]: 2: Hoare triple {3456#(= 0 ~__unbuffered_cnt~0)} [192] P0ENTRY-->L717: Formula: (and (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= 1 v_~z~0_9) (= 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_9, 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] {3456#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:48:04,049 INFO L280 TraceCheckUtils]: 3: Hoare triple {3456#(= 0 ~__unbuffered_cnt~0)} [150] L717-->L722: 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] {3456#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:48:04,051 INFO L280 TraceCheckUtils]: 4: Hoare triple {3456#(= 0 ~__unbuffered_cnt~0)} [215] L722-->P0EXIT: Formula: (and (= (+ v_~__unbuffered_cnt~0_92 1) v_~__unbuffered_cnt~0_91) (= 0 |v_P0Thread1of1ForFork0_#res.offset_5|) (= 0 |v_P0Thread1of1ForFork0_#res.base_5|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_92} OutVars{P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_5|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_91} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_#res.base, ~__unbuffered_cnt~0] {3457#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:48:04,052 INFO L280 TraceCheckUtils]: 5: Hoare triple {3457#(<= ~__unbuffered_cnt~0 1)} [217] L776-1-->L778: Formula: (and (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2657~0.base_13| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2657~0.base_13|) |v_ULTIMATE.start_main_~#t2657~0.offset_11| 1)) |v_#memory_int_13|) (not (= |v_ULTIMATE.start_main_~#t2657~0.base_13| 0)) (= |v_#length_17| (store |v_#length_18| |v_ULTIMATE.start_main_~#t2657~0.base_13| 4)) (= 0 |v_ULTIMATE.start_main_~#t2657~0.offset_11|) (= 0 (select |v_#valid_39| |v_ULTIMATE.start_main_~#t2657~0.base_13|)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2657~0.base_13|) (= |v_#valid_38| (store |v_#valid_39| |v_ULTIMATE.start_main_~#t2657~0.base_13| 1))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_39|, #memory_int=|v_#memory_int_14|, #length=|v_#length_18|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, #valid=|v_#valid_38|, #memory_int=|v_#memory_int_13|, ULTIMATE.start_main_~#t2657~0.offset=|v_ULTIMATE.start_main_~#t2657~0.offset_11|, #length=|v_#length_17|, ULTIMATE.start_main_~#t2657~0.base=|v_ULTIMATE.start_main_~#t2657~0.base_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, ULTIMATE.start_main_~#t2657~0.offset, #length, ULTIMATE.start_main_~#t2657~0.base] {3457#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:48:04,052 INFO L280 TraceCheckUtils]: 6: Hoare triple {3457#(<= ~__unbuffered_cnt~0 1)} [169] L778-->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] {3457#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:48:04,053 INFO L280 TraceCheckUtils]: 7: Hoare triple {3457#(<= ~__unbuffered_cnt~0 1)} [216] L778-1-->L780: Formula: (and (= (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2658~0.base_13| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2658~0.base_13|) |v_ULTIMATE.start_main_~#t2658~0.offset_11| 2)) |v_#memory_int_11|) (= 0 |v_ULTIMATE.start_main_~#t2658~0.offset_11|) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t2658~0.base_13| 4)) (= 0 (select |v_#valid_37| |v_ULTIMATE.start_main_~#t2658~0.base_13|)) (= |v_#valid_36| (store |v_#valid_37| |v_ULTIMATE.start_main_~#t2658~0.base_13| 1)) (not (= 0 |v_ULTIMATE.start_main_~#t2658~0.base_13|)) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t2658~0.base_13|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_12|, #length=|v_#length_16|} OutVars{ULTIMATE.start_main_~#t2658~0.base=|v_ULTIMATE.start_main_~#t2658~0.base_13|, #StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_~#t2658~0.offset=|v_ULTIMATE.start_main_~#t2658~0.offset_11|, #valid=|v_#valid_36|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_11|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2658~0.base, ULTIMATE.start_main_~#t2658~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length] {3457#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:48:04,054 INFO L280 TraceCheckUtils]: 8: Hoare triple {3457#(<= ~__unbuffered_cnt~0 1)} [171] L780-->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] {3457#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:48:04,054 INFO L280 TraceCheckUtils]: 9: Hoare triple {3457#(<= ~__unbuffered_cnt~0 1)} [222] L780-1-->L2-1: Formula: (and (= v_ULTIMATE.start_assume_abort_if_not_~cond_13 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_9|) (= 1 v_~main$tmp_guard0~0_32) (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond_9| (mod v_~main$tmp_guard0~0_32 256)) (= 3 v_~__unbuffered_cnt~0_98)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_98} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_9|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_13, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_16|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_98, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_32} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {3455#false} is VALID [2020-07-28 21:48:04,055 INFO L280 TraceCheckUtils]: 10: Hoare triple {3455#false} [211] L2-1-->L790: Formula: (and (let ((.cse0 (= 0 v_~__unbuffered_p0_EAX~0_22)) (.cse2 (= 0 v_~__unbuffered_p1_EAX~0_23)) (.cse1 (= 0 v_~__unbuffered_p2_EAX~0_23))) (or (and .cse0 .cse1 (= 0 v_~main$tmp_guard1~0_19) .cse2) (and (or (not .cse0) (not .cse2) (not .cse1)) (= 1 v_~main$tmp_guard1~0_19)))) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_7| (mod v_~main$tmp_guard1~0_19 256))) InVars {~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_23, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_23, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_19, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_7|} AuxVars[] AssignedVars[~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {3455#false} is VALID [2020-07-28 21:48:04,055 INFO L280 TraceCheckUtils]: 11: Hoare triple {3455#false} [203] L790-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_9) (= v_ULTIMATE.start___VERIFIER_assert_~expression_9 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_9, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] {3455#false} is VALID [2020-07-28 21:48:04,058 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 21:48:04,058 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160414514] [2020-07-28 21:48:04,059 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:48:04,059 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 21:48:04,059 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3825713] [2020-07-28 21:48:04,059 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-07-28 21:48:04,060 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:48:04,060 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 21:48:04,087 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 21:48:04,087 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 21:48:04,088 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:48:04,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 21:48:04,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-28 21:48:04,089 INFO L87 Difference]: Start difference. First operand 217 states and 540 transitions. Second operand 4 states. [2020-07-28 21:48:04,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:04,197 INFO L93 Difference]: Finished difference Result 136 states and 297 transitions. [2020-07-28 21:48:04,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-28 21:48:04,197 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-07-28 21:48:04,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:48:04,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:48:04,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 43 transitions. [2020-07-28 21:48:04,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:48:04,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 43 transitions. [2020-07-28 21:48:04,201 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 43 transitions. [2020-07-28 21:48:04,253 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 43 edges. 43 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:48:04,256 INFO L225 Difference]: With dead ends: 136 [2020-07-28 21:48:04,256 INFO L226 Difference]: Without dead ends: 136 [2020-07-28 21:48:04,257 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-28 21:48:04,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2020-07-28 21:48:04,264 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,265 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,265 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,265 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,265 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,265 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,266 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,266 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,266 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,266 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,266 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,266 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,267 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,267 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,267 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,267 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,267 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,267 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,267 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,268 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,268 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,268 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,268 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,268 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,268 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,268 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,269 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,269 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,269 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,269 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,269 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,269 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,269 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,270 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,270 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,270 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,270 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,271 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,272 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,272 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,272 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,272 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,273 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,273 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,273 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,273 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,274 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,274 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,274 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,274 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,275 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,275 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,275 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,275 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,276 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,276 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,276 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,277 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,277 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,277 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,277 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,278 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,278 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,278 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,278 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,279 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,279 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,279 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,279 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,280 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,280 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,280 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,280 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,281 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,281 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,281 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,281 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,282 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,282 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,282 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,282 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,283 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,283 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,283 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,283 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,284 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,284 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,284 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,285 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,285 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,285 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,285 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,286 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,286 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,286 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,286 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,287 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,287 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,287 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,287 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,288 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,288 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,288 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,288 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,289 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,289 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,289 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,289 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,290 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,290 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,290 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,290 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,291 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,291 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,291 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,291 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,292 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,292 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,292 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,293 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,293 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,293 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,293 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,294 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,294 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,294 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,294 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,295 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,295 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,295 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,295 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,296 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,296 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,296 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,296 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,297 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2020-07-28 21:48:04,297 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:48:04,298 INFO L82 GeneralOperation]: Start isEquivalent. First operand 136 states. Second operand 136 states. [2020-07-28 21:48:04,298 INFO L74 IsIncluded]: Start isIncluded. First operand 136 states. Second operand 136 states. [2020-07-28 21:48:04,298 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 136 states. [2020-07-28 21:48:04,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:04,308 INFO L93 Difference]: Finished difference Result 136 states and 297 transitions. [2020-07-28 21:48:04,308 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 297 transitions. [2020-07-28 21:48:04,309 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:04,309 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:04,309 INFO L74 IsIncluded]: Start isIncluded. First operand 136 states. Second operand 136 states. [2020-07-28 21:48:04,309 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 136 states. [2020-07-28 21:48:04,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:04,323 INFO L93 Difference]: Finished difference Result 136 states and 297 transitions. [2020-07-28 21:48:04,323 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 297 transitions. [2020-07-28 21:48:04,324 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:04,324 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:04,324 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:48:04,324 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:48:04,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-07-28 21:48:04,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 297 transitions. [2020-07-28 21:48:04,346 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 297 transitions. Word has length 12 [2020-07-28 21:48:04,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:48:04,346 INFO L479 AbstractCegarLoop]: Abstraction has 136 states and 297 transitions. [2020-07-28 21:48:04,346 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 21:48:04,346 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 297 transitions. [2020-07-28 21:48:04,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-07-28 21:48:04,348 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:48:04,348 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:48:04,349 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 21:48:04,349 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:48:04,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:48:04,349 INFO L82 PathProgramCache]: Analyzing trace with hash -104701845, now seen corresponding path program 1 times [2020-07-28 21:48:04,349 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:48:04,350 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238737838] [2020-07-28 21:48:04,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:48:04,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:48:04,454 INFO L280 TraceCheckUtils]: 0: Hoare triple {4140#true} [228] ULTIMATE.startENTRY-->L776: Formula: (let ((.cse0 (store |v_#valid_51| 0 0))) (and (= 0 |v_#NULL.base_5|) (= 0 v_~main$tmp_guard1~0_27) (= 0 v_~z~0_23) (= 0 v_~y~0_18) (= 0 |v_ULTIMATE.start_main_~#t2656~0.offset_13|) (= 0 v_~main$tmp_guard0~0_43) (= |v_#length_21| (store |v_#length_22| |v_ULTIMATE.start_main_~#t2656~0.base_15| 4)) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t2656~0.base_15|)) (= (store .cse0 |v_ULTIMATE.start_main_~#t2656~0.base_15| 1) |v_#valid_49|) (= 0 v_~__unbuffered_p1_EAX~0_30) (= 0 v_~__unbuffered_p2_EAX~0_33) (= 0 |v_#NULL.offset_5|) (< 0 |v_#StackHeapBarrier_14|) (= 0 v_~x~0_18) (= 0 v_~__unbuffered_p0_EAX~0_29) (< |v_#StackHeapBarrier_14| |v_ULTIMATE.start_main_~#t2656~0.base_15|) (= v_~__unbuffered_cnt~0_129 0) (= |v_#memory_int_17| (store |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2656~0.base_15| (store (select |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2656~0.base_15|) |v_ULTIMATE.start_main_~#t2656~0.offset_13| 0))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_14|, #valid=|v_#valid_51|, #memory_int=|v_#memory_int_18|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_27|, ULTIMATE.start_main_~#t2656~0.offset=|v_ULTIMATE.start_main_~#t2656~0.offset_13|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, #NULL.offset=|v_#NULL.offset_5|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_27, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_29, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_30, #length=|v_#length_21|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_33, ~y~0=v_~y~0_18, ULTIMATE.start_main_~#t2657~0.base=|v_ULTIMATE.start_main_~#t2657~0.base_17|, ULTIMATE.start_main_~#t2656~0.base=|v_ULTIMATE.start_main_~#t2656~0.base_15|, ULTIMATE.start_main_~#t2657~0.offset=|v_ULTIMATE.start_main_~#t2657~0.offset_14|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_43, #NULL.base=|v_#NULL.base_5|, ULTIMATE.start_main_~#t2658~0.base=|v_ULTIMATE.start_main_~#t2658~0.base_17|, #StackHeapBarrier=|v_#StackHeapBarrier_14|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_16|, #valid=|v_#valid_49|, ULTIMATE.start_main_~#t2658~0.offset=|v_ULTIMATE.start_main_~#t2658~0.offset_14|, #memory_int=|v_#memory_int_17|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_129, ~z~0=v_~z~0_23, ~x~0=v_~x~0_18} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t2656~0.offset, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~#t2656~0.base, ULTIMATE.start_main_~#t2657~0.offset, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t2658~0.base, ~__unbuffered_p0_EAX~0, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_#res, #valid, ULTIMATE.start_main_~#t2658~0.offset, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ~x~0, ULTIMATE.start_main_~#t2657~0.base] {4142#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:48:04,455 INFO L280 TraceCheckUtils]: 1: Hoare triple {4142#(= 0 ~__unbuffered_cnt~0)} [167] L776-->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] {4142#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:48:04,456 INFO L280 TraceCheckUtils]: 2: Hoare triple {4142#(= 0 ~__unbuffered_cnt~0)} [192] P0ENTRY-->L717: Formula: (and (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= 1 v_~z~0_9) (= 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_9, 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] {4142#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:48:04,456 INFO L280 TraceCheckUtils]: 3: Hoare triple {4142#(= 0 ~__unbuffered_cnt~0)} [150] L717-->L722: 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] {4142#(= 0 ~__unbuffered_cnt~0)} is VALID [2020-07-28 21:48:04,457 INFO L280 TraceCheckUtils]: 4: Hoare triple {4142#(= 0 ~__unbuffered_cnt~0)} [215] L722-->P0EXIT: Formula: (and (= (+ v_~__unbuffered_cnt~0_92 1) v_~__unbuffered_cnt~0_91) (= 0 |v_P0Thread1of1ForFork0_#res.offset_5|) (= 0 |v_P0Thread1of1ForFork0_#res.base_5|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_92} OutVars{P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_5|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_91} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_#res.base, ~__unbuffered_cnt~0] {4143#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:48:04,458 INFO L280 TraceCheckUtils]: 5: Hoare triple {4143#(<= ~__unbuffered_cnt~0 1)} [217] L776-1-->L778: Formula: (and (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2657~0.base_13| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2657~0.base_13|) |v_ULTIMATE.start_main_~#t2657~0.offset_11| 1)) |v_#memory_int_13|) (not (= |v_ULTIMATE.start_main_~#t2657~0.base_13| 0)) (= |v_#length_17| (store |v_#length_18| |v_ULTIMATE.start_main_~#t2657~0.base_13| 4)) (= 0 |v_ULTIMATE.start_main_~#t2657~0.offset_11|) (= 0 (select |v_#valid_39| |v_ULTIMATE.start_main_~#t2657~0.base_13|)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2657~0.base_13|) (= |v_#valid_38| (store |v_#valid_39| |v_ULTIMATE.start_main_~#t2657~0.base_13| 1))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_39|, #memory_int=|v_#memory_int_14|, #length=|v_#length_18|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, #valid=|v_#valid_38|, #memory_int=|v_#memory_int_13|, ULTIMATE.start_main_~#t2657~0.offset=|v_ULTIMATE.start_main_~#t2657~0.offset_11|, #length=|v_#length_17|, ULTIMATE.start_main_~#t2657~0.base=|v_ULTIMATE.start_main_~#t2657~0.base_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, ULTIMATE.start_main_~#t2657~0.offset, #length, ULTIMATE.start_main_~#t2657~0.base] {4143#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:48:04,459 INFO L280 TraceCheckUtils]: 6: Hoare triple {4143#(<= ~__unbuffered_cnt~0 1)} [169] L778-->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] {4143#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:48:04,460 INFO L280 TraceCheckUtils]: 7: Hoare triple {4143#(<= ~__unbuffered_cnt~0 1)} [216] L778-1-->L780: Formula: (and (= (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2658~0.base_13| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2658~0.base_13|) |v_ULTIMATE.start_main_~#t2658~0.offset_11| 2)) |v_#memory_int_11|) (= 0 |v_ULTIMATE.start_main_~#t2658~0.offset_11|) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t2658~0.base_13| 4)) (= 0 (select |v_#valid_37| |v_ULTIMATE.start_main_~#t2658~0.base_13|)) (= |v_#valid_36| (store |v_#valid_37| |v_ULTIMATE.start_main_~#t2658~0.base_13| 1)) (not (= 0 |v_ULTIMATE.start_main_~#t2658~0.base_13|)) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t2658~0.base_13|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_12|, #length=|v_#length_16|} OutVars{ULTIMATE.start_main_~#t2658~0.base=|v_ULTIMATE.start_main_~#t2658~0.base_13|, #StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_~#t2658~0.offset=|v_ULTIMATE.start_main_~#t2658~0.offset_11|, #valid=|v_#valid_36|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_11|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2658~0.base, ULTIMATE.start_main_~#t2658~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length] {4143#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:48:04,460 INFO L280 TraceCheckUtils]: 8: Hoare triple {4143#(<= ~__unbuffered_cnt~0 1)} [171] L780-->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] {4143#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:48:04,461 INFO L280 TraceCheckUtils]: 9: Hoare triple {4143#(<= ~__unbuffered_cnt~0 1)} [197] P2ENTRY-->L751: Formula: (and (= 1 v_~y~0_7) (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |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_7} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~y~0] {4143#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:48:04,462 INFO L280 TraceCheckUtils]: 10: Hoare triple {4143#(<= ~__unbuffered_cnt~0 1)} [162] L751-->L756: Formula: (= v_~__unbuffered_p2_EAX~0_1 v_~z~0_2) InVars {~z~0=v_~z~0_2} OutVars{~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_1, ~z~0=v_~z~0_2} AuxVars[] AssignedVars[~__unbuffered_p2_EAX~0] {4143#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:48:04,463 INFO L280 TraceCheckUtils]: 11: Hoare triple {4143#(<= ~__unbuffered_cnt~0 1)} [200] L756-->P2EXIT: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#res.base_17|) (= v_~__unbuffered_cnt~0_67 (+ v_~__unbuffered_cnt~0_68 1)) (= 0 |v_P2Thread1of1ForFork2_#res.offset_17|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_68} OutVars{P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_17|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_67, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_17|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#res.base, ~__unbuffered_cnt~0, P2Thread1of1ForFork2_#res.offset] {4144#(<= ~__unbuffered_cnt~0 2)} is VALID [2020-07-28 21:48:04,464 INFO L280 TraceCheckUtils]: 12: Hoare triple {4144#(<= ~__unbuffered_cnt~0 2)} [222] L780-1-->L2-1: Formula: (and (= v_ULTIMATE.start_assume_abort_if_not_~cond_13 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_9|) (= 1 v_~main$tmp_guard0~0_32) (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond_9| (mod v_~main$tmp_guard0~0_32 256)) (= 3 v_~__unbuffered_cnt~0_98)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_98} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_9|, 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_16|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_98, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_32} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {4141#false} is VALID [2020-07-28 21:48:04,464 INFO L280 TraceCheckUtils]: 13: Hoare triple {4141#false} [211] L2-1-->L790: Formula: (and (let ((.cse0 (= 0 v_~__unbuffered_p0_EAX~0_22)) (.cse2 (= 0 v_~__unbuffered_p1_EAX~0_23)) (.cse1 (= 0 v_~__unbuffered_p2_EAX~0_23))) (or (and .cse0 .cse1 (= 0 v_~main$tmp_guard1~0_19) .cse2) (and (or (not .cse0) (not .cse2) (not .cse1)) (= 1 v_~main$tmp_guard1~0_19)))) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_7| (mod v_~main$tmp_guard1~0_19 256))) InVars {~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_23, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_23, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_19, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_7|} AuxVars[] AssignedVars[~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {4141#false} is VALID [2020-07-28 21:48:04,464 INFO L280 TraceCheckUtils]: 14: Hoare triple {4141#false} [203] L790-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_9) (= v_ULTIMATE.start___VERIFIER_assert_~expression_9 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_9, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] {4141#false} is VALID [2020-07-28 21:48:04,465 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 21:48:04,466 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238737838] [2020-07-28 21:48:04,466 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:48:04,466 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 21:48:04,466 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807020396] [2020-07-28 21:48:04,467 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-07-28 21:48:04,467 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:48:04,467 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 21:48:04,485 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 15 edges. 15 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:48:04,485 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 21:48:04,485 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:48:04,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 21:48:04,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-07-28 21:48:04,486 INFO L87 Difference]: Start difference. First operand 136 states and 297 transitions. Second operand 5 states. [2020-07-28 21:48:04,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:04,619 INFO L93 Difference]: Finished difference Result 109 states and 243 transitions. [2020-07-28 21:48:04,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 21:48:04,619 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-07-28 21:48:04,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:48:04,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:48:04,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 43 transitions. [2020-07-28 21:48:04,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:48:04,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 43 transitions. [2020-07-28 21:48:04,621 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 43 transitions. [2020-07-28 21:48:04,679 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 43 edges. 43 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:48:04,681 INFO L225 Difference]: With dead ends: 109 [2020-07-28 21:48:04,682 INFO L226 Difference]: Without dead ends: 109 [2020-07-28 21:48:04,682 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-07-28 21:48:04,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-07-28 21:48:04,684 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,685 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,685 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,685 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,685 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,686 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,686 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,686 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,686 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,686 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,686 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,687 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,687 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,687 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,687 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,687 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,687 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,688 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,688 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,688 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,688 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,688 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,688 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,689 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,689 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,689 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,689 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,689 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,689 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,690 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,690 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,690 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,690 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,690 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,690 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,691 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,691 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,691 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,691 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,691 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,692 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,692 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,692 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,692 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,692 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,693 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,693 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,693 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,693 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,693 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,693 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,694 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,694 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,694 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,694 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,694 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,695 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,695 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,695 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,695 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,695 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,695 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,696 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,696 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,696 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,696 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,696 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,697 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,697 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,697 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,697 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,697 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,697 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,698 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,698 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,698 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,698 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,698 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,699 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,699 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,699 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,699 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,699 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,700 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,700 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,700 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,700 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,700 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,700 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,701 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,701 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,701 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,701 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,701 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,702 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,702 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,702 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,702 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,702 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,703 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,703 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,703 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,703 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,703 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,704 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,704 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,704 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,704 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,704 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:04,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2020-07-28 21:48:04,705 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:48:04,705 INFO L82 GeneralOperation]: Start isEquivalent. First operand 109 states. Second operand 109 states. [2020-07-28 21:48:04,705 INFO L74 IsIncluded]: Start isIncluded. First operand 109 states. Second operand 109 states. [2020-07-28 21:48:04,705 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 109 states. [2020-07-28 21:48:04,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:04,709 INFO L93 Difference]: Finished difference Result 109 states and 243 transitions. [2020-07-28 21:48:04,709 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 243 transitions. [2020-07-28 21:48:04,709 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:04,709 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:04,709 INFO L74 IsIncluded]: Start isIncluded. First operand 109 states. Second operand 109 states. [2020-07-28 21:48:04,710 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 109 states. [2020-07-28 21:48:04,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:04,713 INFO L93 Difference]: Finished difference Result 109 states and 243 transitions. [2020-07-28 21:48:04,713 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 243 transitions. [2020-07-28 21:48:04,714 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:04,714 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:04,714 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:48:04,714 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:48:04,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-07-28 21:48:04,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 243 transitions. [2020-07-28 21:48:04,718 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 243 transitions. Word has length 15 [2020-07-28 21:48:04,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:48:04,718 INFO L479 AbstractCegarLoop]: Abstraction has 109 states and 243 transitions. [2020-07-28 21:48:04,718 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 21:48:04,718 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 243 transitions. [2020-07-28 21:48:04,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-28 21:48:04,719 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:48:04,719 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:48:04,719 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 21:48:04,719 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:48:04,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:48:04,719 INFO L82 PathProgramCache]: Analyzing trace with hash 1786856379, now seen corresponding path program 1 times [2020-07-28 21:48:04,720 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:48:04,720 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515663449] [2020-07-28 21:48:04,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:48:04,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:48:04,854 INFO L280 TraceCheckUtils]: 0: Hoare triple {4692#true} [228] ULTIMATE.startENTRY-->L776: Formula: (let ((.cse0 (store |v_#valid_51| 0 0))) (and (= 0 |v_#NULL.base_5|) (= 0 v_~main$tmp_guard1~0_27) (= 0 v_~z~0_23) (= 0 v_~y~0_18) (= 0 |v_ULTIMATE.start_main_~#t2656~0.offset_13|) (= 0 v_~main$tmp_guard0~0_43) (= |v_#length_21| (store |v_#length_22| |v_ULTIMATE.start_main_~#t2656~0.base_15| 4)) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t2656~0.base_15|)) (= (store .cse0 |v_ULTIMATE.start_main_~#t2656~0.base_15| 1) |v_#valid_49|) (= 0 v_~__unbuffered_p1_EAX~0_30) (= 0 v_~__unbuffered_p2_EAX~0_33) (= 0 |v_#NULL.offset_5|) (< 0 |v_#StackHeapBarrier_14|) (= 0 v_~x~0_18) (= 0 v_~__unbuffered_p0_EAX~0_29) (< |v_#StackHeapBarrier_14| |v_ULTIMATE.start_main_~#t2656~0.base_15|) (= v_~__unbuffered_cnt~0_129 0) (= |v_#memory_int_17| (store |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2656~0.base_15| (store (select |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2656~0.base_15|) |v_ULTIMATE.start_main_~#t2656~0.offset_13| 0))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_14|, #valid=|v_#valid_51|, #memory_int=|v_#memory_int_18|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_27|, ULTIMATE.start_main_~#t2656~0.offset=|v_ULTIMATE.start_main_~#t2656~0.offset_13|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, #NULL.offset=|v_#NULL.offset_5|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_27, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_29, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_30, #length=|v_#length_21|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_33, ~y~0=v_~y~0_18, ULTIMATE.start_main_~#t2657~0.base=|v_ULTIMATE.start_main_~#t2657~0.base_17|, ULTIMATE.start_main_~#t2656~0.base=|v_ULTIMATE.start_main_~#t2656~0.base_15|, ULTIMATE.start_main_~#t2657~0.offset=|v_ULTIMATE.start_main_~#t2657~0.offset_14|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_43, #NULL.base=|v_#NULL.base_5|, ULTIMATE.start_main_~#t2658~0.base=|v_ULTIMATE.start_main_~#t2658~0.base_17|, #StackHeapBarrier=|v_#StackHeapBarrier_14|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_16|, #valid=|v_#valid_49|, ULTIMATE.start_main_~#t2658~0.offset=|v_ULTIMATE.start_main_~#t2658~0.offset_14|, #memory_int=|v_#memory_int_17|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_129, ~z~0=v_~z~0_23, ~x~0=v_~x~0_18} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t2656~0.offset, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~#t2656~0.base, ULTIMATE.start_main_~#t2657~0.offset, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t2658~0.base, ~__unbuffered_p0_EAX~0, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_#res, #valid, ULTIMATE.start_main_~#t2658~0.offset, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ~x~0, ULTIMATE.start_main_~#t2657~0.base] {4692#true} is VALID [2020-07-28 21:48:04,855 INFO L280 TraceCheckUtils]: 1: Hoare triple {4692#true} [167] L776-->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] {4692#true} is VALID [2020-07-28 21:48:04,860 INFO L280 TraceCheckUtils]: 2: Hoare triple {4692#true} [192] P0ENTRY-->L717: Formula: (and (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= 1 v_~z~0_9) (= 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_9, 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] {4694#(= 1 ~z~0)} is VALID [2020-07-28 21:48:04,860 INFO L280 TraceCheckUtils]: 3: Hoare triple {4694#(= 1 ~z~0)} [150] L717-->L722: 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] {4694#(= 1 ~z~0)} is VALID [2020-07-28 21:48:04,861 INFO L280 TraceCheckUtils]: 4: Hoare triple {4694#(= 1 ~z~0)} [215] L722-->P0EXIT: Formula: (and (= (+ v_~__unbuffered_cnt~0_92 1) v_~__unbuffered_cnt~0_91) (= 0 |v_P0Thread1of1ForFork0_#res.offset_5|) (= 0 |v_P0Thread1of1ForFork0_#res.base_5|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_92} OutVars{P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_5|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_91} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_#res.base, ~__unbuffered_cnt~0] {4694#(= 1 ~z~0)} is VALID [2020-07-28 21:48:04,861 INFO L280 TraceCheckUtils]: 5: Hoare triple {4694#(= 1 ~z~0)} [217] L776-1-->L778: Formula: (and (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2657~0.base_13| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2657~0.base_13|) |v_ULTIMATE.start_main_~#t2657~0.offset_11| 1)) |v_#memory_int_13|) (not (= |v_ULTIMATE.start_main_~#t2657~0.base_13| 0)) (= |v_#length_17| (store |v_#length_18| |v_ULTIMATE.start_main_~#t2657~0.base_13| 4)) (= 0 |v_ULTIMATE.start_main_~#t2657~0.offset_11|) (= 0 (select |v_#valid_39| |v_ULTIMATE.start_main_~#t2657~0.base_13|)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2657~0.base_13|) (= |v_#valid_38| (store |v_#valid_39| |v_ULTIMATE.start_main_~#t2657~0.base_13| 1))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_39|, #memory_int=|v_#memory_int_14|, #length=|v_#length_18|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, #valid=|v_#valid_38|, #memory_int=|v_#memory_int_13|, ULTIMATE.start_main_~#t2657~0.offset=|v_ULTIMATE.start_main_~#t2657~0.offset_11|, #length=|v_#length_17|, ULTIMATE.start_main_~#t2657~0.base=|v_ULTIMATE.start_main_~#t2657~0.base_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, ULTIMATE.start_main_~#t2657~0.offset, #length, ULTIMATE.start_main_~#t2657~0.base] {4694#(= 1 ~z~0)} is VALID [2020-07-28 21:48:04,862 INFO L280 TraceCheckUtils]: 6: Hoare triple {4694#(= 1 ~z~0)} [169] L778-->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] {4694#(= 1 ~z~0)} is VALID [2020-07-28 21:48:04,862 INFO L280 TraceCheckUtils]: 7: Hoare triple {4694#(= 1 ~z~0)} [216] L778-1-->L780: Formula: (and (= (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2658~0.base_13| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2658~0.base_13|) |v_ULTIMATE.start_main_~#t2658~0.offset_11| 2)) |v_#memory_int_11|) (= 0 |v_ULTIMATE.start_main_~#t2658~0.offset_11|) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t2658~0.base_13| 4)) (= 0 (select |v_#valid_37| |v_ULTIMATE.start_main_~#t2658~0.base_13|)) (= |v_#valid_36| (store |v_#valid_37| |v_ULTIMATE.start_main_~#t2658~0.base_13| 1)) (not (= 0 |v_ULTIMATE.start_main_~#t2658~0.base_13|)) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t2658~0.base_13|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_12|, #length=|v_#length_16|} OutVars{ULTIMATE.start_main_~#t2658~0.base=|v_ULTIMATE.start_main_~#t2658~0.base_13|, #StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_~#t2658~0.offset=|v_ULTIMATE.start_main_~#t2658~0.offset_11|, #valid=|v_#valid_36|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_11|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2658~0.base, ULTIMATE.start_main_~#t2658~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length] {4694#(= 1 ~z~0)} is VALID [2020-07-28 21:48:04,865 INFO L280 TraceCheckUtils]: 8: Hoare triple {4694#(= 1 ~z~0)} [171] L780-->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] {4694#(= 1 ~z~0)} is VALID [2020-07-28 21:48:04,866 INFO L280 TraceCheckUtils]: 9: Hoare triple {4694#(= 1 ~z~0)} [197] P2ENTRY-->L751: Formula: (and (= 1 v_~y~0_7) (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |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_7} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~y~0] {4694#(= 1 ~z~0)} is VALID [2020-07-28 21:48:04,867 INFO L280 TraceCheckUtils]: 10: Hoare triple {4694#(= 1 ~z~0)} [162] L751-->L756: Formula: (= v_~__unbuffered_p2_EAX~0_1 v_~z~0_2) InVars {~z~0=v_~z~0_2} OutVars{~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_1, ~z~0=v_~z~0_2} AuxVars[] AssignedVars[~__unbuffered_p2_EAX~0] {4695#(= 1 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:48:04,867 INFO L280 TraceCheckUtils]: 11: Hoare triple {4695#(= 1 ~__unbuffered_p2_EAX~0)} [200] L756-->P2EXIT: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#res.base_17|) (= v_~__unbuffered_cnt~0_67 (+ v_~__unbuffered_cnt~0_68 1)) (= 0 |v_P2Thread1of1ForFork2_#res.offset_17|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_68} OutVars{P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_17|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_67, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_17|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#res.base, ~__unbuffered_cnt~0, P2Thread1of1ForFork2_#res.offset] {4695#(= 1 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:48:04,868 INFO L280 TraceCheckUtils]: 12: Hoare triple {4695#(= 1 ~__unbuffered_p2_EAX~0)} [172] P1ENTRY-->L734: Formula: (and (= 1 v_~x~0_4) (= |v_P1Thread1of1ForFork1_#in~arg.offset_4| v_P1Thread1of1ForFork1_~arg.offset_4) (= v_P1Thread1of1ForFork1_~arg.base_4 |v_P1Thread1of1ForFork1_#in~arg.base_4|)) InVars {P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_4, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_4, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|, ~x~0=v_~x~0_4} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_~arg.base, ~x~0] {4695#(= 1 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:48:04,868 INFO L280 TraceCheckUtils]: 13: Hoare triple {4695#(= 1 ~__unbuffered_p2_EAX~0)} [156] L734-->L739: Formula: (= v_~__unbuffered_p1_EAX~0_1 v_~y~0_1) InVars {~y~0=v_~y~0_1} OutVars{~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_1, ~y~0=v_~y~0_1} AuxVars[] AssignedVars[~__unbuffered_p1_EAX~0] {4695#(= 1 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:48:04,869 INFO L280 TraceCheckUtils]: 14: Hoare triple {4695#(= 1 ~__unbuffered_p2_EAX~0)} [214] L739-->P1EXIT: Formula: (and (= v_~__unbuffered_cnt~0_79 (+ v_~__unbuffered_cnt~0_80 1)) (= 0 |v_P1Thread1of1ForFork1_#res.base_13|) (= |v_P1Thread1of1ForFork1_#res.offset_13| 0)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_80} OutVars{P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_13|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_79, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_13|} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#res.offset, ~__unbuffered_cnt~0, P1Thread1of1ForFork1_#res.base] {4695#(= 1 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:48:04,870 INFO L280 TraceCheckUtils]: 15: Hoare triple {4695#(= 1 ~__unbuffered_p2_EAX~0)} [222] L780-1-->L2-1: Formula: (and (= v_ULTIMATE.start_assume_abort_if_not_~cond_13 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_9|) (= 1 v_~main$tmp_guard0~0_32) (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond_9| (mod v_~main$tmp_guard0~0_32 256)) (= 3 v_~__unbuffered_cnt~0_98)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_98} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_9|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_13, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_16|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_98, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_32} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {4695#(= 1 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:48:04,872 INFO L280 TraceCheckUtils]: 16: Hoare triple {4695#(= 1 ~__unbuffered_p2_EAX~0)} [211] L2-1-->L790: Formula: (and (let ((.cse0 (= 0 v_~__unbuffered_p0_EAX~0_22)) (.cse2 (= 0 v_~__unbuffered_p1_EAX~0_23)) (.cse1 (= 0 v_~__unbuffered_p2_EAX~0_23))) (or (and .cse0 .cse1 (= 0 v_~main$tmp_guard1~0_19) .cse2) (and (or (not .cse0) (not .cse2) (not .cse1)) (= 1 v_~main$tmp_guard1~0_19)))) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_7| (mod v_~main$tmp_guard1~0_19 256))) InVars {~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_23, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_23, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_19, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_7|} AuxVars[] AssignedVars[~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {4696#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} is VALID [2020-07-28 21:48:04,874 INFO L280 TraceCheckUtils]: 17: Hoare triple {4696#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} [203] L790-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_9) (= v_ULTIMATE.start___VERIFIER_assert_~expression_9 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_9, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] {4693#false} is VALID [2020-07-28 21:48:04,875 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 21:48:04,876 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515663449] [2020-07-28 21:48:04,876 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:48:04,876 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 21:48:04,876 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047125106] [2020-07-28 21:48:04,876 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-07-28 21:48:04,877 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:48:04,877 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 21:48:04,907 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:48:04,907 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 21:48:04,908 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:48:04,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 21:48:04,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 21:48:04,909 INFO L87 Difference]: Start difference. First operand 109 states and 243 transitions. Second operand 5 states. [2020-07-28 21:48:05,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:05,059 INFO L93 Difference]: Finished difference Result 135 states and 291 transitions. [2020-07-28 21:48:05,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 21:48:05,060 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-07-28 21:48:05,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:48:05,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:48:05,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 37 transitions. [2020-07-28 21:48:05,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:48:05,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 37 transitions. [2020-07-28 21:48:05,062 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 37 transitions. [2020-07-28 21:48:05,128 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 37 edges. 37 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:48:05,129 INFO L225 Difference]: With dead ends: 135 [2020-07-28 21:48:05,129 INFO L226 Difference]: Without dead ends: 55 [2020-07-28 21:48:05,130 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-28 21:48:05,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-07-28 21:48:05,131 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,132 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,132 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,132 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,133 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,133 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,133 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,133 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,133 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,134 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,134 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,134 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,134 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,135 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,135 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,135 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,135 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,136 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,136 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,136 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,136 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,136 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,137 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,137 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,137 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,137 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,137 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,137 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,138 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,138 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,138 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,138 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,138 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,139 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,139 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,139 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,139 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,139 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,140 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,140 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,140 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,140 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,141 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,141 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,141 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,141 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,142 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,142 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,142 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,142 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,143 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,143 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,143 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,143 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,144 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-07-28 21:48:05,144 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:48:05,144 INFO L82 GeneralOperation]: Start isEquivalent. First operand 55 states. Second operand 55 states. [2020-07-28 21:48:05,145 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand 55 states. [2020-07-28 21:48:05,145 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 55 states. [2020-07-28 21:48:05,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:05,147 INFO L93 Difference]: Finished difference Result 55 states and 99 transitions. [2020-07-28 21:48:05,147 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 99 transitions. [2020-07-28 21:48:05,147 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:05,148 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:05,148 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand 55 states. [2020-07-28 21:48:05,148 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 55 states. [2020-07-28 21:48:05,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:05,150 INFO L93 Difference]: Finished difference Result 55 states and 99 transitions. [2020-07-28 21:48:05,150 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 99 transitions. [2020-07-28 21:48:05,150 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:05,151 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:05,151 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:48:05,151 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:48:05,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-07-28 21:48:05,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 99 transitions. [2020-07-28 21:48:05,153 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 99 transitions. Word has length 18 [2020-07-28 21:48:05,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:48:05,153 INFO L479 AbstractCegarLoop]: Abstraction has 55 states and 99 transitions. [2020-07-28 21:48:05,153 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 21:48:05,153 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 99 transitions. [2020-07-28 21:48:05,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-28 21:48:05,154 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:48:05,154 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:48:05,154 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 21:48:05,155 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:48:05,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:48:05,155 INFO L82 PathProgramCache]: Analyzing trace with hash -442498565, now seen corresponding path program 2 times [2020-07-28 21:48:05,155 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:48:05,156 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022546765] [2020-07-28 21:48:05,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:48:05,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:48:05,238 INFO L280 TraceCheckUtils]: 0: Hoare triple {5058#true} [228] ULTIMATE.startENTRY-->L776: Formula: (let ((.cse0 (store |v_#valid_51| 0 0))) (and (= 0 |v_#NULL.base_5|) (= 0 v_~main$tmp_guard1~0_27) (= 0 v_~z~0_23) (= 0 v_~y~0_18) (= 0 |v_ULTIMATE.start_main_~#t2656~0.offset_13|) (= 0 v_~main$tmp_guard0~0_43) (= |v_#length_21| (store |v_#length_22| |v_ULTIMATE.start_main_~#t2656~0.base_15| 4)) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t2656~0.base_15|)) (= (store .cse0 |v_ULTIMATE.start_main_~#t2656~0.base_15| 1) |v_#valid_49|) (= 0 v_~__unbuffered_p1_EAX~0_30) (= 0 v_~__unbuffered_p2_EAX~0_33) (= 0 |v_#NULL.offset_5|) (< 0 |v_#StackHeapBarrier_14|) (= 0 v_~x~0_18) (= 0 v_~__unbuffered_p0_EAX~0_29) (< |v_#StackHeapBarrier_14| |v_ULTIMATE.start_main_~#t2656~0.base_15|) (= v_~__unbuffered_cnt~0_129 0) (= |v_#memory_int_17| (store |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2656~0.base_15| (store (select |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2656~0.base_15|) |v_ULTIMATE.start_main_~#t2656~0.offset_13| 0))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_14|, #valid=|v_#valid_51|, #memory_int=|v_#memory_int_18|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_27|, ULTIMATE.start_main_~#t2656~0.offset=|v_ULTIMATE.start_main_~#t2656~0.offset_13|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, #NULL.offset=|v_#NULL.offset_5|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_27, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_29, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_30, #length=|v_#length_21|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_33, ~y~0=v_~y~0_18, ULTIMATE.start_main_~#t2657~0.base=|v_ULTIMATE.start_main_~#t2657~0.base_17|, ULTIMATE.start_main_~#t2656~0.base=|v_ULTIMATE.start_main_~#t2656~0.base_15|, ULTIMATE.start_main_~#t2657~0.offset=|v_ULTIMATE.start_main_~#t2657~0.offset_14|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_43, #NULL.base=|v_#NULL.base_5|, ULTIMATE.start_main_~#t2658~0.base=|v_ULTIMATE.start_main_~#t2658~0.base_17|, #StackHeapBarrier=|v_#StackHeapBarrier_14|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_16|, #valid=|v_#valid_49|, ULTIMATE.start_main_~#t2658~0.offset=|v_ULTIMATE.start_main_~#t2658~0.offset_14|, #memory_int=|v_#memory_int_17|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_129, ~z~0=v_~z~0_23, ~x~0=v_~x~0_18} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t2656~0.offset, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~#t2656~0.base, ULTIMATE.start_main_~#t2657~0.offset, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t2658~0.base, ~__unbuffered_p0_EAX~0, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_#res, #valid, ULTIMATE.start_main_~#t2658~0.offset, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ~x~0, ULTIMATE.start_main_~#t2657~0.base] {5058#true} is VALID [2020-07-28 21:48:05,238 INFO L280 TraceCheckUtils]: 1: Hoare triple {5058#true} [167] L776-->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] {5058#true} is VALID [2020-07-28 21:48:05,239 INFO L280 TraceCheckUtils]: 2: Hoare triple {5058#true} [217] L776-1-->L778: Formula: (and (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2657~0.base_13| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2657~0.base_13|) |v_ULTIMATE.start_main_~#t2657~0.offset_11| 1)) |v_#memory_int_13|) (not (= |v_ULTIMATE.start_main_~#t2657~0.base_13| 0)) (= |v_#length_17| (store |v_#length_18| |v_ULTIMATE.start_main_~#t2657~0.base_13| 4)) (= 0 |v_ULTIMATE.start_main_~#t2657~0.offset_11|) (= 0 (select |v_#valid_39| |v_ULTIMATE.start_main_~#t2657~0.base_13|)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2657~0.base_13|) (= |v_#valid_38| (store |v_#valid_39| |v_ULTIMATE.start_main_~#t2657~0.base_13| 1))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_39|, #memory_int=|v_#memory_int_14|, #length=|v_#length_18|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, #valid=|v_#valid_38|, #memory_int=|v_#memory_int_13|, ULTIMATE.start_main_~#t2657~0.offset=|v_ULTIMATE.start_main_~#t2657~0.offset_11|, #length=|v_#length_17|, ULTIMATE.start_main_~#t2657~0.base=|v_ULTIMATE.start_main_~#t2657~0.base_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, ULTIMATE.start_main_~#t2657~0.offset, #length, ULTIMATE.start_main_~#t2657~0.base] {5058#true} is VALID [2020-07-28 21:48:05,239 INFO L280 TraceCheckUtils]: 3: Hoare triple {5058#true} [169] L778-->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] {5058#true} is VALID [2020-07-28 21:48:05,239 INFO L280 TraceCheckUtils]: 4: Hoare triple {5058#true} [216] L778-1-->L780: Formula: (and (= (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2658~0.base_13| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2658~0.base_13|) |v_ULTIMATE.start_main_~#t2658~0.offset_11| 2)) |v_#memory_int_11|) (= 0 |v_ULTIMATE.start_main_~#t2658~0.offset_11|) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t2658~0.base_13| 4)) (= 0 (select |v_#valid_37| |v_ULTIMATE.start_main_~#t2658~0.base_13|)) (= |v_#valid_36| (store |v_#valid_37| |v_ULTIMATE.start_main_~#t2658~0.base_13| 1)) (not (= 0 |v_ULTIMATE.start_main_~#t2658~0.base_13|)) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t2658~0.base_13|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_12|, #length=|v_#length_16|} OutVars{ULTIMATE.start_main_~#t2658~0.base=|v_ULTIMATE.start_main_~#t2658~0.base_13|, #StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_~#t2658~0.offset=|v_ULTIMATE.start_main_~#t2658~0.offset_11|, #valid=|v_#valid_36|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_11|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2658~0.base, ULTIMATE.start_main_~#t2658~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length] {5058#true} is VALID [2020-07-28 21:48:05,240 INFO L280 TraceCheckUtils]: 5: Hoare triple {5058#true} [171] L780-->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] {5058#true} is VALID [2020-07-28 21:48:05,241 INFO L280 TraceCheckUtils]: 6: Hoare triple {5058#true} [197] P2ENTRY-->L751: Formula: (and (= 1 v_~y~0_7) (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |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_7} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~y~0] {5060#(= 1 ~y~0)} is VALID [2020-07-28 21:48:05,241 INFO L280 TraceCheckUtils]: 7: Hoare triple {5060#(= 1 ~y~0)} [162] L751-->L756: Formula: (= v_~__unbuffered_p2_EAX~0_1 v_~z~0_2) InVars {~z~0=v_~z~0_2} OutVars{~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_1, ~z~0=v_~z~0_2} AuxVars[] AssignedVars[~__unbuffered_p2_EAX~0] {5060#(= 1 ~y~0)} is VALID [2020-07-28 21:48:05,242 INFO L280 TraceCheckUtils]: 8: Hoare triple {5060#(= 1 ~y~0)} [192] P0ENTRY-->L717: Formula: (and (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= 1 v_~z~0_9) (= 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_9, 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] {5060#(= 1 ~y~0)} is VALID [2020-07-28 21:48:05,243 INFO L280 TraceCheckUtils]: 9: Hoare triple {5060#(= 1 ~y~0)} [150] L717-->L722: 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] {5060#(= 1 ~y~0)} is VALID [2020-07-28 21:48:05,243 INFO L280 TraceCheckUtils]: 10: Hoare triple {5060#(= 1 ~y~0)} [215] L722-->P0EXIT: Formula: (and (= (+ v_~__unbuffered_cnt~0_92 1) v_~__unbuffered_cnt~0_91) (= 0 |v_P0Thread1of1ForFork0_#res.offset_5|) (= 0 |v_P0Thread1of1ForFork0_#res.base_5|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_92} OutVars{P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_5|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_91} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_#res.base, ~__unbuffered_cnt~0] {5060#(= 1 ~y~0)} is VALID [2020-07-28 21:48:05,244 INFO L280 TraceCheckUtils]: 11: Hoare triple {5060#(= 1 ~y~0)} [200] L756-->P2EXIT: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#res.base_17|) (= v_~__unbuffered_cnt~0_67 (+ v_~__unbuffered_cnt~0_68 1)) (= 0 |v_P2Thread1of1ForFork2_#res.offset_17|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_68} OutVars{P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_17|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_67, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_17|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#res.base, ~__unbuffered_cnt~0, P2Thread1of1ForFork2_#res.offset] {5060#(= 1 ~y~0)} is VALID [2020-07-28 21:48:05,245 INFO L280 TraceCheckUtils]: 12: Hoare triple {5060#(= 1 ~y~0)} [172] P1ENTRY-->L734: Formula: (and (= 1 v_~x~0_4) (= |v_P1Thread1of1ForFork1_#in~arg.offset_4| v_P1Thread1of1ForFork1_~arg.offset_4) (= v_P1Thread1of1ForFork1_~arg.base_4 |v_P1Thread1of1ForFork1_#in~arg.base_4|)) InVars {P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_4, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_4, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|, ~x~0=v_~x~0_4} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_~arg.base, ~x~0] {5060#(= 1 ~y~0)} is VALID [2020-07-28 21:48:05,246 INFO L280 TraceCheckUtils]: 13: Hoare triple {5060#(= 1 ~y~0)} [156] L734-->L739: Formula: (= v_~__unbuffered_p1_EAX~0_1 v_~y~0_1) InVars {~y~0=v_~y~0_1} OutVars{~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_1, ~y~0=v_~y~0_1} AuxVars[] AssignedVars[~__unbuffered_p1_EAX~0] {5061#(= 1 ~__unbuffered_p1_EAX~0)} is VALID [2020-07-28 21:48:05,247 INFO L280 TraceCheckUtils]: 14: Hoare triple {5061#(= 1 ~__unbuffered_p1_EAX~0)} [214] L739-->P1EXIT: Formula: (and (= v_~__unbuffered_cnt~0_79 (+ v_~__unbuffered_cnt~0_80 1)) (= 0 |v_P1Thread1of1ForFork1_#res.base_13|) (= |v_P1Thread1of1ForFork1_#res.offset_13| 0)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_80} OutVars{P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_13|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_79, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_13|} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#res.offset, ~__unbuffered_cnt~0, P1Thread1of1ForFork1_#res.base] {5061#(= 1 ~__unbuffered_p1_EAX~0)} is VALID [2020-07-28 21:48:05,247 INFO L280 TraceCheckUtils]: 15: Hoare triple {5061#(= 1 ~__unbuffered_p1_EAX~0)} [222] L780-1-->L2-1: Formula: (and (= v_ULTIMATE.start_assume_abort_if_not_~cond_13 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_9|) (= 1 v_~main$tmp_guard0~0_32) (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond_9| (mod v_~main$tmp_guard0~0_32 256)) (= 3 v_~__unbuffered_cnt~0_98)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_98} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_9|, 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_16|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_98, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_32} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {5061#(= 1 ~__unbuffered_p1_EAX~0)} is VALID [2020-07-28 21:48:05,249 INFO L280 TraceCheckUtils]: 16: Hoare triple {5061#(= 1 ~__unbuffered_p1_EAX~0)} [211] L2-1-->L790: Formula: (and (let ((.cse0 (= 0 v_~__unbuffered_p0_EAX~0_22)) (.cse2 (= 0 v_~__unbuffered_p1_EAX~0_23)) (.cse1 (= 0 v_~__unbuffered_p2_EAX~0_23))) (or (and .cse0 .cse1 (= 0 v_~main$tmp_guard1~0_19) .cse2) (and (or (not .cse0) (not .cse2) (not .cse1)) (= 1 v_~main$tmp_guard1~0_19)))) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_7| (mod v_~main$tmp_guard1~0_19 256))) InVars {~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_23, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_23, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_19, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_7|} AuxVars[] AssignedVars[~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {5062#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} is VALID [2020-07-28 21:48:05,250 INFO L280 TraceCheckUtils]: 17: Hoare triple {5062#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} [203] L790-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_9) (= v_ULTIMATE.start___VERIFIER_assert_~expression_9 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_9, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] {5059#false} is VALID [2020-07-28 21:48:05,251 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 21:48:05,251 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022546765] [2020-07-28 21:48:05,251 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:48:05,251 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 21:48:05,252 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174482224] [2020-07-28 21:48:05,252 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-07-28 21:48:05,252 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:48:05,253 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 21:48:05,275 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:48:05,275 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 21:48:05,275 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:48:05,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 21:48:05,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 21:48:05,276 INFO L87 Difference]: Start difference. First operand 55 states and 99 transitions. Second operand 5 states. [2020-07-28 21:48:05,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:05,427 INFO L93 Difference]: Finished difference Result 75 states and 132 transitions. [2020-07-28 21:48:05,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 21:48:05,428 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-07-28 21:48:05,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:48:05,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:48:05,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 30 transitions. [2020-07-28 21:48:05,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:48:05,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 30 transitions. [2020-07-28 21:48:05,430 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 30 transitions. [2020-07-28 21:48:05,468 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:48:05,468 INFO L225 Difference]: With dead ends: 75 [2020-07-28 21:48:05,469 INFO L226 Difference]: Without dead ends: 37 [2020-07-28 21:48:05,469 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-28 21:48:05,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-07-28 21:48:05,471 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,471 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,471 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,471 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,471 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,472 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,472 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,472 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,472 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,472 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,472 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,473 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,473 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,473 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,473 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,474 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,474 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,474 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,475 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,475 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,475 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,475 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,476 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,476 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,476 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,476 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,477 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,477 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,477 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,477 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,478 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,478 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,478 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,478 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,479 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,479 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,479 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:48:05,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-07-28 21:48:05,480 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:48:05,480 INFO L82 GeneralOperation]: Start isEquivalent. First operand 37 states. Second operand 37 states. [2020-07-28 21:48:05,480 INFO L74 IsIncluded]: Start isIncluded. First operand 37 states. Second operand 37 states. [2020-07-28 21:48:05,480 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 37 states. [2020-07-28 21:48:05,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:05,481 INFO L93 Difference]: Finished difference Result 37 states and 57 transitions. [2020-07-28 21:48:05,482 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2020-07-28 21:48:05,482 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:05,482 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:05,483 INFO L74 IsIncluded]: Start isIncluded. First operand 37 states. Second operand 37 states. [2020-07-28 21:48:05,483 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 37 states. [2020-07-28 21:48:05,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:05,484 INFO L93 Difference]: Finished difference Result 37 states and 57 transitions. [2020-07-28 21:48:05,484 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2020-07-28 21:48:05,485 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:05,485 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:05,485 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:48:05,485 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:48:05,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-07-28 21:48:05,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 57 transitions. [2020-07-28 21:48:05,487 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 57 transitions. Word has length 18 [2020-07-28 21:48:05,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:48:05,487 INFO L479 AbstractCegarLoop]: Abstraction has 37 states and 57 transitions. [2020-07-28 21:48:05,487 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 21:48:05,488 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2020-07-28 21:48:05,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-28 21:48:05,488 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:48:05,488 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:48:05,489 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 21:48:05,489 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:48:05,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:48:05,489 INFO L82 PathProgramCache]: Analyzing trace with hash 21041593, now seen corresponding path program 3 times [2020-07-28 21:48:05,490 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:48:05,490 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46816650] [2020-07-28 21:48:05,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:48:05,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:48:05,557 INFO L280 TraceCheckUtils]: 0: Hoare triple {5292#true} [228] ULTIMATE.startENTRY-->L776: Formula: (let ((.cse0 (store |v_#valid_51| 0 0))) (and (= 0 |v_#NULL.base_5|) (= 0 v_~main$tmp_guard1~0_27) (= 0 v_~z~0_23) (= 0 v_~y~0_18) (= 0 |v_ULTIMATE.start_main_~#t2656~0.offset_13|) (= 0 v_~main$tmp_guard0~0_43) (= |v_#length_21| (store |v_#length_22| |v_ULTIMATE.start_main_~#t2656~0.base_15| 4)) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t2656~0.base_15|)) (= (store .cse0 |v_ULTIMATE.start_main_~#t2656~0.base_15| 1) |v_#valid_49|) (= 0 v_~__unbuffered_p1_EAX~0_30) (= 0 v_~__unbuffered_p2_EAX~0_33) (= 0 |v_#NULL.offset_5|) (< 0 |v_#StackHeapBarrier_14|) (= 0 v_~x~0_18) (= 0 v_~__unbuffered_p0_EAX~0_29) (< |v_#StackHeapBarrier_14| |v_ULTIMATE.start_main_~#t2656~0.base_15|) (= v_~__unbuffered_cnt~0_129 0) (= |v_#memory_int_17| (store |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2656~0.base_15| (store (select |v_#memory_int_18| |v_ULTIMATE.start_main_~#t2656~0.base_15|) |v_ULTIMATE.start_main_~#t2656~0.offset_13| 0))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_14|, #valid=|v_#valid_51|, #memory_int=|v_#memory_int_18|, #length=|v_#length_22|} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_27|, ULTIMATE.start_main_~#t2656~0.offset=|v_ULTIMATE.start_main_~#t2656~0.offset_13|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_7|, #NULL.offset=|v_#NULL.offset_5|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_27, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_29, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_30, #length=|v_#length_21|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_33, ~y~0=v_~y~0_18, ULTIMATE.start_main_~#t2657~0.base=|v_ULTIMATE.start_main_~#t2657~0.base_17|, ULTIMATE.start_main_~#t2656~0.base=|v_ULTIMATE.start_main_~#t2656~0.base_15|, ULTIMATE.start_main_~#t2657~0.offset=|v_ULTIMATE.start_main_~#t2657~0.offset_14|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_43, #NULL.base=|v_#NULL.base_5|, ULTIMATE.start_main_~#t2658~0.base=|v_ULTIMATE.start_main_~#t2658~0.base_17|, #StackHeapBarrier=|v_#StackHeapBarrier_14|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_16|, #valid=|v_#valid_49|, ULTIMATE.start_main_~#t2658~0.offset=|v_ULTIMATE.start_main_~#t2658~0.offset_14|, #memory_int=|v_#memory_int_17|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_129, ~z~0=v_~z~0_23, ~x~0=v_~x~0_18} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t2656~0.offset, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~#t2656~0.base, ULTIMATE.start_main_~#t2657~0.offset, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t2658~0.base, ~__unbuffered_p0_EAX~0, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_#res, #valid, ULTIMATE.start_main_~#t2658~0.offset, #memory_int, #length, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ~x~0, ULTIMATE.start_main_~#t2657~0.base] {5292#true} is VALID [2020-07-28 21:48:05,558 INFO L280 TraceCheckUtils]: 1: Hoare triple {5292#true} [167] L776-->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] {5292#true} is VALID [2020-07-28 21:48:05,558 INFO L280 TraceCheckUtils]: 2: Hoare triple {5292#true} [217] L776-1-->L778: Formula: (and (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2657~0.base_13| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t2657~0.base_13|) |v_ULTIMATE.start_main_~#t2657~0.offset_11| 1)) |v_#memory_int_13|) (not (= |v_ULTIMATE.start_main_~#t2657~0.base_13| 0)) (= |v_#length_17| (store |v_#length_18| |v_ULTIMATE.start_main_~#t2657~0.base_13| 4)) (= 0 |v_ULTIMATE.start_main_~#t2657~0.offset_11|) (= 0 (select |v_#valid_39| |v_ULTIMATE.start_main_~#t2657~0.base_13|)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2657~0.base_13|) (= |v_#valid_38| (store |v_#valid_39| |v_ULTIMATE.start_main_~#t2657~0.base_13| 1))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_39|, #memory_int=|v_#memory_int_14|, #length=|v_#length_18|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, #valid=|v_#valid_38|, #memory_int=|v_#memory_int_13|, ULTIMATE.start_main_~#t2657~0.offset=|v_ULTIMATE.start_main_~#t2657~0.offset_11|, #length=|v_#length_17|, ULTIMATE.start_main_~#t2657~0.base=|v_ULTIMATE.start_main_~#t2657~0.base_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, ULTIMATE.start_main_~#t2657~0.offset, #length, ULTIMATE.start_main_~#t2657~0.base] {5292#true} is VALID [2020-07-28 21:48:05,559 INFO L280 TraceCheckUtils]: 3: Hoare triple {5292#true} [169] L778-->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] {5292#true} is VALID [2020-07-28 21:48:05,559 INFO L280 TraceCheckUtils]: 4: Hoare triple {5292#true} [216] L778-1-->L780: Formula: (and (= (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2658~0.base_13| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2658~0.base_13|) |v_ULTIMATE.start_main_~#t2658~0.offset_11| 2)) |v_#memory_int_11|) (= 0 |v_ULTIMATE.start_main_~#t2658~0.offset_11|) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t2658~0.base_13| 4)) (= 0 (select |v_#valid_37| |v_ULTIMATE.start_main_~#t2658~0.base_13|)) (= |v_#valid_36| (store |v_#valid_37| |v_ULTIMATE.start_main_~#t2658~0.base_13| 1)) (not (= 0 |v_ULTIMATE.start_main_~#t2658~0.base_13|)) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#t2658~0.base_13|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_37|, #memory_int=|v_#memory_int_12|, #length=|v_#length_16|} OutVars{ULTIMATE.start_main_~#t2658~0.base=|v_ULTIMATE.start_main_~#t2658~0.base_13|, #StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_~#t2658~0.offset=|v_ULTIMATE.start_main_~#t2658~0.offset_11|, #valid=|v_#valid_36|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|, #memory_int=|v_#memory_int_11|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2658~0.base, ULTIMATE.start_main_~#t2658~0.offset, #valid, ULTIMATE.start_main_#t~nondet3, #memory_int, #length] {5292#true} is VALID [2020-07-28 21:48:05,559 INFO L280 TraceCheckUtils]: 5: Hoare triple {5292#true} [171] L780-->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] {5292#true} is VALID [2020-07-28 21:48:05,561 INFO L280 TraceCheckUtils]: 6: Hoare triple {5292#true} [172] P1ENTRY-->L734: Formula: (and (= 1 v_~x~0_4) (= |v_P1Thread1of1ForFork1_#in~arg.offset_4| v_P1Thread1of1ForFork1_~arg.offset_4) (= v_P1Thread1of1ForFork1_~arg.base_4 |v_P1Thread1of1ForFork1_#in~arg.base_4|)) InVars {P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_4, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_4, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|, ~x~0=v_~x~0_4} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_~arg.base, ~x~0] {5294#(= 1 ~x~0)} is VALID [2020-07-28 21:48:05,561 INFO L280 TraceCheckUtils]: 7: Hoare triple {5294#(= 1 ~x~0)} [156] L734-->L739: Formula: (= v_~__unbuffered_p1_EAX~0_1 v_~y~0_1) InVars {~y~0=v_~y~0_1} OutVars{~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_1, ~y~0=v_~y~0_1} AuxVars[] AssignedVars[~__unbuffered_p1_EAX~0] {5294#(= 1 ~x~0)} is VALID [2020-07-28 21:48:05,562 INFO L280 TraceCheckUtils]: 8: Hoare triple {5294#(= 1 ~x~0)} [197] P2ENTRY-->L751: Formula: (and (= 1 v_~y~0_7) (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |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_7} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~y~0] {5294#(= 1 ~x~0)} is VALID [2020-07-28 21:48:05,563 INFO L280 TraceCheckUtils]: 9: Hoare triple {5294#(= 1 ~x~0)} [162] L751-->L756: Formula: (= v_~__unbuffered_p2_EAX~0_1 v_~z~0_2) InVars {~z~0=v_~z~0_2} OutVars{~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_1, ~z~0=v_~z~0_2} AuxVars[] AssignedVars[~__unbuffered_p2_EAX~0] {5294#(= 1 ~x~0)} is VALID [2020-07-28 21:48:05,563 INFO L280 TraceCheckUtils]: 10: Hoare triple {5294#(= 1 ~x~0)} [192] P0ENTRY-->L717: Formula: (and (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= 1 v_~z~0_9) (= 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_9, 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] {5294#(= 1 ~x~0)} is VALID [2020-07-28 21:48:05,564 INFO L280 TraceCheckUtils]: 11: Hoare triple {5294#(= 1 ~x~0)} [150] L717-->L722: 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] {5295#(= 1 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:48:05,566 INFO L280 TraceCheckUtils]: 12: Hoare triple {5295#(= 1 ~__unbuffered_p0_EAX~0)} [214] L739-->P1EXIT: Formula: (and (= v_~__unbuffered_cnt~0_79 (+ v_~__unbuffered_cnt~0_80 1)) (= 0 |v_P1Thread1of1ForFork1_#res.base_13|) (= |v_P1Thread1of1ForFork1_#res.offset_13| 0)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_80} OutVars{P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_13|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_79, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_13|} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#res.offset, ~__unbuffered_cnt~0, P1Thread1of1ForFork1_#res.base] {5295#(= 1 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:48:05,566 INFO L280 TraceCheckUtils]: 13: Hoare triple {5295#(= 1 ~__unbuffered_p0_EAX~0)} [215] L722-->P0EXIT: Formula: (and (= (+ v_~__unbuffered_cnt~0_92 1) v_~__unbuffered_cnt~0_91) (= 0 |v_P0Thread1of1ForFork0_#res.offset_5|) (= 0 |v_P0Thread1of1ForFork0_#res.base_5|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_92} OutVars{P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_5|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_91} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_#res.base, ~__unbuffered_cnt~0] {5295#(= 1 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:48:05,567 INFO L280 TraceCheckUtils]: 14: Hoare triple {5295#(= 1 ~__unbuffered_p0_EAX~0)} [200] L756-->P2EXIT: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#res.base_17|) (= v_~__unbuffered_cnt~0_67 (+ v_~__unbuffered_cnt~0_68 1)) (= 0 |v_P2Thread1of1ForFork2_#res.offset_17|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_68} OutVars{P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_17|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_67, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_17|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#res.base, ~__unbuffered_cnt~0, P2Thread1of1ForFork2_#res.offset] {5295#(= 1 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:48:05,568 INFO L280 TraceCheckUtils]: 15: Hoare triple {5295#(= 1 ~__unbuffered_p0_EAX~0)} [222] L780-1-->L2-1: Formula: (and (= v_ULTIMATE.start_assume_abort_if_not_~cond_13 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_9|) (= 1 v_~main$tmp_guard0~0_32) (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond_9| (mod v_~main$tmp_guard0~0_32 256)) (= 3 v_~__unbuffered_cnt~0_98)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_98} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_9|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_13, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_16|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_98, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_32} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {5295#(= 1 ~__unbuffered_p0_EAX~0)} is VALID [2020-07-28 21:48:05,569 INFO L280 TraceCheckUtils]: 16: Hoare triple {5295#(= 1 ~__unbuffered_p0_EAX~0)} [211] L2-1-->L790: Formula: (and (let ((.cse0 (= 0 v_~__unbuffered_p0_EAX~0_22)) (.cse2 (= 0 v_~__unbuffered_p1_EAX~0_23)) (.cse1 (= 0 v_~__unbuffered_p2_EAX~0_23))) (or (and .cse0 .cse1 (= 0 v_~main$tmp_guard1~0_19) .cse2) (and (or (not .cse0) (not .cse2) (not .cse1)) (= 1 v_~main$tmp_guard1~0_19)))) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_7| (mod v_~main$tmp_guard1~0_19 256))) InVars {~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_23, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_22, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_23, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_19, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_23, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_7|} AuxVars[] AssignedVars[~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {5296#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} is VALID [2020-07-28 21:48:05,570 INFO L280 TraceCheckUtils]: 17: Hoare triple {5296#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} [203] L790-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_9) (= v_ULTIMATE.start___VERIFIER_assert_~expression_9 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_9, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] {5293#false} is VALID [2020-07-28 21:48:05,571 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 21:48:05,571 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46816650] [2020-07-28 21:48:05,571 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:48:05,572 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 21:48:05,572 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847801078] [2020-07-28 21:48:05,573 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-07-28 21:48:05,573 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:48:05,573 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 21:48:05,593 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:48:05,593 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 21:48:05,594 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:48:05,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 21:48:05,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 21:48:05,594 INFO L87 Difference]: Start difference. First operand 37 states and 57 transitions. Second operand 5 states. [2020-07-28 21:48:05,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:05,680 INFO L93 Difference]: Finished difference Result 36 states and 56 transitions. [2020-07-28 21:48:05,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 21:48:05,680 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-07-28 21:48:05,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:48:05,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:48:05,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 22 transitions. [2020-07-28 21:48:05,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:48:05,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 22 transitions. [2020-07-28 21:48:05,682 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 22 transitions. [2020-07-28 21:48:05,709 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:48:05,710 INFO L225 Difference]: With dead ends: 36 [2020-07-28 21:48:05,710 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 21:48:05,710 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-28 21:48:05,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 21:48:05,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 21:48:05,711 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:48:05,711 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 21:48:05,711 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 21:48:05,711 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 21:48:05,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:05,712 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 21:48:05,712 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 21:48:05,712 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:05,712 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:05,712 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 21:48:05,712 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 21:48:05,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:48:05,712 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 21:48:05,713 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 21:48:05,713 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:05,713 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:48:05,713 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:48:05,713 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:48:05,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 21:48:05,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 21:48:05,714 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-07-28 21:48:05,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:48:05,715 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 21:48:05,715 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 21:48:05,715 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 21:48:05,715 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:48:05,715 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-28 21:48:05,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 09:48:05 BasicIcfg [2020-07-28 21:48:05,720 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 21:48:05,721 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 21:48:05,721 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 21:48:05,721 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 21:48:05,722 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 09:48:00" (3/4) ... [2020-07-28 21:48:05,726 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 21:48:05,733 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2020-07-28 21:48:05,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2020-07-28 21:48:05,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2020-07-28 21:48:05,740 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-07-28 21:48:05,740 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-07-28 21:48:05,740 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 21:48:05,791 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 21:48:05,791 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 21:48:05,795 INFO L168 Benchmark]: Toolchain (without parser) took 6786.09 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 332.9 MB). Free memory was 952.2 MB in the beginning and 1.3 GB in the end (delta: -311.4 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. [2020-07-28 21:48:05,795 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 21:48:05,796 INFO L168 Benchmark]: CACSL2BoogieTranslator took 749.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -153.9 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2020-07-28 21:48:05,797 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.93 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 21:48:05,797 INFO L168 Benchmark]: Boogie Preprocessor took 30.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-28 21:48:05,798 INFO L168 Benchmark]: RCFGBuilder took 556.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2020-07-28 21:48:05,799 INFO L168 Benchmark]: TraceAbstraction took 5319.82 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 188.7 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -195.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 21:48:05,799 INFO L168 Benchmark]: Witness Printer took 70.52 ms. Allocated memory is still 1.4 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 21:48:05,803 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 749.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -153.9 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.93 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 30.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 556.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5319.82 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 188.7 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -195.7 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 70.52 ms. Allocated memory is still 1.4 GB. Free memory is still 1.3 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: 2.2s, 79 ProgramPointsBefore, 32 ProgramPointsAfterwards, 71 TransitionsBefore, 23 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 6 FixpointIterations, 15 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 663 VarBasedMoverChecksPositive, 26 VarBasedMoverChecksNegative, 12 SemBasedMoverChecksPositive, 29 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.6s, 0 MoverChecksTotal, 2315 CheckedPairsTotal, 57 TotalNumberOfCompositions - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 70 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.1s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.3s, HoareTripleCheckerStatistics: 138 SDtfs, 104 SDslu, 203 SDs, 0 SdLazy, 56 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=362occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 98 NumberOfCodeBlocks, 98 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 91 ConstructedInterpolants, 0 QuantifiedInterpolants, 3491 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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...