./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe008_tso.opt.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/safe008_tso.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 06ac7bfd2ad7f5c1a8342516f8a069869bb0b543 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 21:31:16,513 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 21:31:16,516 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 21:31:16,534 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 21:31:16,534 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 21:31:16,538 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 21:31:16,540 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 21:31:16,550 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 21:31:16,555 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 21:31:16,559 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 21:31:16,561 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 21:31:16,562 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 21:31:16,563 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 21:31:16,565 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 21:31:16,566 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 21:31:16,567 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 21:31:16,569 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 21:31:16,570 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 21:31:16,573 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 21:31:16,577 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 21:31:16,582 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 21:31:16,585 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 21:31:16,587 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 21:31:16,588 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 21:31:16,591 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 21:31:16,591 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 21:31:16,591 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 21:31:16,593 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 21:31:16,594 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 21:31:16,595 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 21:31:16,595 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 21:31:16,596 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 21:31:16,597 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 21:31:16,598 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 21:31:16,600 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 21:31:16,600 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 21:31:16,601 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 21:31:16,601 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 21:31:16,601 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 21:31:16,602 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 21:31:16,604 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 21:31:16,605 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 21:31:16,643 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 21:31:16,643 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 21:31:16,644 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 21:31:16,644 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 21:31:16,644 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 21:31:16,645 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 21:31:16,645 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 21:31:16,649 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 21:31:16,649 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 21:31:16,650 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 21:31:16,650 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 21:31:16,650 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 21:31:16,650 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 21:31:16,650 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 21:31:16,651 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 21:31:16,651 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 21:31:16,651 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 21:31:16,651 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 21:31:16,652 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 21:31:16,652 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 21:31:16,652 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 21:31:16,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 21:31:16,653 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 21:31:16,653 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 21:31:16,653 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 21:31:16,653 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 21:31:16,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 21:31:16,654 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 21:31:16,654 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 21:31:16,655 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 -> 06ac7bfd2ad7f5c1a8342516f8a069869bb0b543 [2020-07-28 21:31:16,945 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 21:31:16,960 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 21:31:16,964 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 21:31:16,965 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 21:31:16,966 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 21:31:16,967 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe008_tso.opt.i [2020-07-28 21:31:17,033 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/935889bc3/eacec597a5dd47989a431e31f5f307b0/FLAGc27db41ca [2020-07-28 21:31:17,540 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 21:31:17,541 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe008_tso.opt.i [2020-07-28 21:31:17,572 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/935889bc3/eacec597a5dd47989a431e31f5f307b0/FLAGc27db41ca [2020-07-28 21:31:17,869 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/935889bc3/eacec597a5dd47989a431e31f5f307b0 [2020-07-28 21:31:17,872 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 21:31:17,875 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 21:31:17,876 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 21:31:17,877 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 21:31:17,880 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 21:31:17,882 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 09:31:17" (1/1) ... [2020-07-28 21:31:17,886 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fde7000 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:31:17, skipping insertion in model container [2020-07-28 21:31:17,886 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 09:31:17" (1/1) ... [2020-07-28 21:31:17,894 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 21:31:17,953 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 21:31:18,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 21:31:18,405 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 21:31:18,463 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 21:31:18,554 INFO L208 MainTranslator]: Completed translation [2020-07-28 21:31:18,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:31:18 WrapperNode [2020-07-28 21:31:18,555 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 21:31:18,556 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 21:31:18,556 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 21:31:18,556 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 21:31:18,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:31:18" (1/1) ... [2020-07-28 21:31:18,583 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:31:18" (1/1) ... [2020-07-28 21:31:18,613 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 21:31:18,614 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 21:31:18,614 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 21:31:18,614 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 21:31:18,623 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:31:18" (1/1) ... [2020-07-28 21:31:18,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:31:18" (1/1) ... [2020-07-28 21:31:18,628 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:31:18" (1/1) ... [2020-07-28 21:31:18,629 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:31:18" (1/1) ... [2020-07-28 21:31:18,638 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:31:18" (1/1) ... [2020-07-28 21:31:18,640 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:31:18" (1/1) ... [2020-07-28 21:31:18,642 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:31:18" (1/1) ... [2020-07-28 21:31:18,646 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 21:31:18,646 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 21:31:18,647 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 21:31:18,647 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 21:31:18,648 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:31:18" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 21:31:18,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-28 21:31:18,722 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-07-28 21:31:18,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 21:31:18,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 21:31:18,722 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-07-28 21:31:18,723 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-07-28 21:31:18,723 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-07-28 21:31:18,723 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-07-28 21:31:18,723 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-07-28 21:31:18,723 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-07-28 21:31:18,724 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-07-28 21:31:18,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 21:31:18,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 21:31:18,726 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-07-28 21:31:19,225 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 21:31:19,226 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-07-28 21:31:19,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 09:31:19 BoogieIcfgContainer [2020-07-28 21:31:19,230 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 21:31:19,231 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 21:31:19,231 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 21:31:19,235 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 21:31:19,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 09:31:17" (1/3) ... [2020-07-28 21:31:19,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4966eac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 09:31:19, skipping insertion in model container [2020-07-28 21:31:19,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:31:18" (2/3) ... [2020-07-28 21:31:19,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4966eac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 09:31:19, skipping insertion in model container [2020-07-28 21:31:19,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 09:31:19" (3/3) ... [2020-07-28 21:31:19,239 INFO L109 eAbstractionObserver]: Analyzing ICFG safe008_tso.opt.i [2020-07-28 21:31:19,249 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-07-28 21:31:19,250 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 21:31:19,257 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 21:31:19,259 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-07-28 21:31:19,289 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:19,290 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:19,290 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:19,291 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:19,291 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:19,291 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:19,293 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:19,293 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:19,293 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:19,293 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:19,294 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:19,294 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:19,295 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:19,295 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:19,295 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:19,296 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:19,296 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:19,296 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:19,300 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:19,300 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:19,301 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:19,301 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:19,308 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:19,309 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:19,309 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:19,309 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:19,312 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:19,312 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:19,312 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:19,312 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 21:31:19,330 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-07-28 21:31:19,353 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 21:31:19,353 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 21:31:19,353 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 21:31:19,354 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 21:31:19,354 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 21:31:19,354 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 21:31:19,355 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 21:31:19,355 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 21:31:19,369 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 70 transitions, 155 flow [2020-07-28 21:31:19,372 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 78 places, 70 transitions, 155 flow [2020-07-28 21:31:19,416 INFO L129 PetriNetUnfolder]: 2/67 cut-off events. [2020-07-28 21:31:19,417 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-07-28 21:31:19,422 INFO L80 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 67 events. 2/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 46 event pairs, 0 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-07-28 21:31:19,425 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 78 places, 70 transitions, 155 flow [2020-07-28 21:31:19,449 INFO L129 PetriNetUnfolder]: 2/67 cut-off events. [2020-07-28 21:31:19,449 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-07-28 21:31:19,453 INFO L80 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 67 events. 2/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 46 event pairs, 0 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-07-28 21:31:19,456 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1260 [2020-07-28 21:31:19,457 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-07-28 21:31:21,632 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2250 [2020-07-28 21:31:21,633 INFO L214 etLargeBlockEncoding]: Total number of compositions: 55 [2020-07-28 21:31:21,637 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 32 places, 23 transitions, 61 flow [2020-07-28 21:31:21,667 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 362 states. [2020-07-28 21:31:21,669 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states. [2020-07-28 21:31:21,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-07-28 21:31:21,678 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:31:21,679 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:31:21,679 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:31:21,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:31:21,686 INFO L82 PathProgramCache]: Analyzing trace with hash 1626400852, now seen corresponding path program 1 times [2020-07-28 21:31:21,697 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:31:21,698 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126569566] [2020-07-28 21:31:21,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:31:21,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:31:21,885 INFO L280 TraceCheckUtils]: 0: Hoare triple {805#true} [225] ULTIMATE.startENTRY-->L768: Formula: (let ((.cse0 (store |v_#valid_59| 0 0))) (and (= 0 |v_ULTIMATE.start_main_~#t1982~0.offset_19|) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1982~0.base_26|)) (= 0 v_~main$tmp_guard0~0_40) (= 0 v_~__unbuffered_p1_EAX~0_27) (= (store |v_#length_24| |v_ULTIMATE.start_main_~#t1982~0.base_26| 4) |v_#length_23|) (= 0 v_~x~0_17) (= 0 v_~__unbuffered_p2_EAX~0_33) (= 0 v_~main$tmp_guard1~0_25) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t1982~0.base_26|) (= (store |v_#memory_int_22| |v_ULTIMATE.start_main_~#t1982~0.base_26| (store (select |v_#memory_int_22| |v_ULTIMATE.start_main_~#t1982~0.base_26|) |v_ULTIMATE.start_main_~#t1982~0.offset_19| 0)) |v_#memory_int_21|) (= 0 v_~z~0_36) (= 0 |v_#NULL.offset_4|) (= 0 v_~y~0_23) (= |v_#valid_57| (store .cse0 |v_ULTIMATE.start_main_~#t1982~0.base_26| 1)) (= v_~__unbuffered_cnt~0_147 0) (< 0 |v_#StackHeapBarrier_15|) (= 0 |v_#NULL.base_4|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_59|, #memory_int=|v_#memory_int_22|, #length=|v_#length_24|} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_32|, ULTIMATE.start_main_~#t1982~0.offset=|v_ULTIMATE.start_main_~#t1982~0.offset_19|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_9|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_8|, ULTIMATE.start_main_~#t1984~0.offset=|v_ULTIMATE.start_main_~#t1984~0.offset_16|, #NULL.offset=|v_#NULL.offset_4|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_25, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_40, #NULL.base=|v_#NULL.base_4|, ULTIMATE.start_main_~#t1982~0.base=|v_ULTIMATE.start_main_~#t1982~0.base_26|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_27, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_16|, #valid=|v_#valid_57|, #memory_int=|v_#memory_int_21|, ULTIMATE.start_main_~#t1984~0.base=|v_ULTIMATE.start_main_~#t1984~0.base_20|, #length=|v_#length_23|, ULTIMATE.start_main_~#t1983~0.offset=|v_ULTIMATE.start_main_~#t1983~0.offset_16|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_33, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_147, ~z~0=v_~z~0_36, ~y~0=v_~y~0_23, ULTIMATE.start_main_~#t1983~0.base=|v_ULTIMATE.start_main_~#t1983~0.base_20|, ~x~0=v_~x~0_17} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t1982~0.offset, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~#t1984~0.offset, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t1982~0.base, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_#res, #valid, #memory_int, ULTIMATE.start_main_~#t1984~0.base, #length, ULTIMATE.start_main_~#t1983~0.offset, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ULTIMATE.start_main_~#t1983~0.base, ~x~0] {805#true} is VALID [2020-07-28 21:31:21,886 INFO L280 TraceCheckUtils]: 1: Hoare triple {805#true} [165] L768-->P0ENTRY: Formula: (and (= 0 v_P0Thread1of1ForFork0_thidvar0_2) (= 0 |v_P0Thread1of1ForFork0_#in~arg.base_3|) (= 0 |v_P0Thread1of1ForFork0_#in~arg.offset_3|)) InVars {} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_3|, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_3|, P0Thread1of1ForFork0_thidvar0=v_P0Thread1of1ForFork0_thidvar0_2, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_3|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_3|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_3, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_3} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#in~arg.offset, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_thidvar0, P0Thread1of1ForFork0_#in~arg.base, P0Thread1of1ForFork0_#res.base, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {805#true} is VALID [2020-07-28 21:31:21,887 INFO L280 TraceCheckUtils]: 2: Hoare triple {805#true} [205] L768-1-->L770: Formula: (and (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1983~0.base_12| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1983~0.base_12|) |v_ULTIMATE.start_main_~#t1983~0.offset_10| 1)) |v_#memory_int_13|) (= |v_#valid_40| (store |v_#valid_41| |v_ULTIMATE.start_main_~#t1983~0.base_12| 1)) (= 0 (select |v_#valid_41| |v_ULTIMATE.start_main_~#t1983~0.base_12|)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t1983~0.base_12|) (not (= 0 |v_ULTIMATE.start_main_~#t1983~0.base_12|)) (= 0 |v_ULTIMATE.start_main_~#t1983~0.offset_10|) (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t1983~0.base_12| 4) |v_#length_15|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_41|, #memory_int=|v_#memory_int_14|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_40|, #memory_int=|v_#memory_int_13|, ULTIMATE.start_main_~#t1983~0.offset=|v_ULTIMATE.start_main_~#t1983~0.offset_10|, #length=|v_#length_15|, ULTIMATE.start_main_~#t1983~0.base=|v_ULTIMATE.start_main_~#t1983~0.base_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, ULTIMATE.start_main_~#t1983~0.offset, #length, ULTIMATE.start_main_~#t1983~0.base] {805#true} is VALID [2020-07-28 21:31:21,887 INFO L280 TraceCheckUtils]: 3: Hoare triple {805#true} [167] L770-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork1_thidvar0_2) (= 0 |v_P1Thread1of1ForFork1_#in~arg.base_3|) (= 0 |v_P1Thread1of1ForFork1_#in~arg.offset_3|)) InVars {} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_3, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_3|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_3, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_3|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_3|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_3|, P1Thread1of1ForFork1_thidvar0=v_P1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_#res.offset, P1Thread1of1ForFork1_~arg.base, P1Thread1of1ForFork1_#in~arg.base, P1Thread1of1ForFork1_#in~arg.offset, P1Thread1of1ForFork1_#res.base, P1Thread1of1ForFork1_thidvar0] {805#true} is VALID [2020-07-28 21:31:21,887 INFO L280 TraceCheckUtils]: 4: Hoare triple {805#true} [199] L770-1-->L772: Formula: (and (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t1984~0.base_10|) (= |v_#valid_33| (store |v_#valid_34| |v_ULTIMATE.start_main_~#t1984~0.base_10| 1)) (= |v_#length_13| (store |v_#length_14| |v_ULTIMATE.start_main_~#t1984~0.base_10| 4)) (= |v_#memory_int_11| (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t1984~0.base_10| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t1984~0.base_10|) |v_ULTIMATE.start_main_~#t1984~0.offset_9| 2))) (= 0 |v_ULTIMATE.start_main_~#t1984~0.offset_9|) (not (= 0 |v_ULTIMATE.start_main_~#t1984~0.base_10|)) (= 0 (select |v_#valid_34| |v_ULTIMATE.start_main_~#t1984~0.base_10|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_12|, #length=|v_#length_14|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_33|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_4|, #memory_int=|v_#memory_int_11|, ULTIMATE.start_main_~#t1984~0.offset=|v_ULTIMATE.start_main_~#t1984~0.offset_9|, ULTIMATE.start_main_~#t1984~0.base=|v_ULTIMATE.start_main_~#t1984~0.base_10|, #length=|v_#length_13|} AuxVars[] AssignedVars[#valid, ULTIMATE.start_main_#t~nondet3, #memory_int, ULTIMATE.start_main_~#t1984~0.offset, ULTIMATE.start_main_~#t1984~0.base, #length] {805#true} is VALID [2020-07-28 21:31:21,888 INFO L280 TraceCheckUtils]: 5: Hoare triple {805#true} [169] L772-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#in~arg.base_3|) (= 0 |v_P2Thread1of1ForFork2_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_3|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_3, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_3, P2Thread1of1ForFork2_thidvar0=v_P2Thread1of1ForFork2_thidvar0_2, P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_3|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_3|, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_3|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#in~arg.offset, P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, P2Thread1of1ForFork2_thidvar0, P2Thread1of1ForFork2_#res.base, P2Thread1of1ForFork2_#in~arg.base, P2Thread1of1ForFork2_#res.offset] {805#true} is VALID [2020-07-28 21:31:21,890 INFO L280 TraceCheckUtils]: 6: Hoare triple {805#true} [222] L772-1-->L782: Formula: false InVars {} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_19|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_29, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_29|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_24, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_37, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_10|} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard1~0, ~main$tmp_guard0~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {806#false} is VALID [2020-07-28 21:31:21,890 INFO L280 TraceCheckUtils]: 7: Hoare triple {806#false} [209] L782-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_11) (= v_ULTIMATE.start___VERIFIER_assert_~expression_11 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_11, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] {806#false} is VALID [2020-07-28 21:31:21,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 21:31:21,894 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126569566] [2020-07-28 21:31:21,895 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:31:21,895 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 21:31:21,896 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49740343] [2020-07-28 21:31:21,902 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-07-28 21:31:21,904 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:31:21,908 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 21:31:21,937 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 8 edges. 8 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:31:21,937 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 21:31:21,937 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:31:21,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 21:31:21,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 21:31:21,951 INFO L87 Difference]: Start difference. First operand 362 states. Second operand 2 states. [2020-07-28 21:31:22,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:31:22,096 INFO L93 Difference]: Finished difference Result 362 states and 1072 transitions. [2020-07-28 21:31:22,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 21:31:22,096 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-07-28 21:31:22,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:31:22,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 21:31:22,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 20 transitions. [2020-07-28 21:31:22,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 21:31:22,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 20 transitions. [2020-07-28 21:31:22,105 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 20 transitions. [2020-07-28 21:31:22,131 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:31:22,176 INFO L225 Difference]: With dead ends: 362 [2020-07-28 21:31:22,176 INFO L226 Difference]: Without dead ends: 298 [2020-07-28 21:31:22,178 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 21:31:22,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2020-07-28 21:31:22,255 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,257 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,257 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,257 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,266 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,266 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,268 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,268 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,268 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,269 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,269 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,269 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,270 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,270 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,270 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,271 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,271 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,271 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,271 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,272 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,272 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,274 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,274 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,277 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,278 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,278 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,278 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,279 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,279 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,279 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,279 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,280 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,280 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,280 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,281 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,281 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,282 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,282 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,282 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,283 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,283 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,283 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,283 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,284 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,284 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,284 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,285 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,285 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,285 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,285 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,286 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,286 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,286 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,287 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,287 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,287 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,288 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,288 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,288 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,288 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,289 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,289 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,290 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,290 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,291 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,291 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,291 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,291 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,292 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,292 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,292 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,293 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,293 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,293 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,293 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,294 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,294 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,294 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,294 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,294 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,295 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,295 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,295 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,295 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,295 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,295 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,296 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,296 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,296 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,296 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,296 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,296 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,297 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,297 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,297 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,297 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,301 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,302 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,302 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,302 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,303 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,303 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,303 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,303 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,304 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,304 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,305 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,306 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,306 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,306 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,307 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,307 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,307 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,307 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,308 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,308 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,308 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,309 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,310 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,315 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,315 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,315 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,316 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,317 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,317 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,317 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,318 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,318 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,319 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,319 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,319 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,320 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,323 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,323 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,323 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,324 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,324 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,324 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,324 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,325 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,325 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,325 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,326 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,326 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,326 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,326 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,327 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,327 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,327 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,327 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,328 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,328 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,328 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,329 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,329 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,329 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,329 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,330 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,330 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,330 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,330 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,331 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,331 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,331 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,331 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,332 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,332 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,332 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,333 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,333 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,333 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,333 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,334 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,334 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,334 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,334 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,334 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,334 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,335 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,335 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,335 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,335 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,335 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,335 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,335 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,336 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,336 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,336 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,337 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,337 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,337 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,337 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,337 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,338 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,338 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,338 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,338 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,338 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,339 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,339 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,339 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,339 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,340 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,340 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,340 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,340 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,340 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,340 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,341 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,341 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,341 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,341 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,342 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,342 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,342 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,342 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,343 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,343 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,343 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,343 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,343 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,344 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,344 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,344 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,345 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,345 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,345 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,345 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,346 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,346 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,346 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,346 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,346 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,346 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,347 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,347 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,347 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,347 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,347 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,347 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,348 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,348 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,348 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,348 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,348 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,348 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,348 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,349 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,349 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,349 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,349 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,349 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,349 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,350 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,350 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,350 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,350 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,350 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,351 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,351 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,351 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,352 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,352 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,352 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,353 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,353 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,353 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,353 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,354 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,354 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,354 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,354 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,355 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,355 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,355 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,355 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,355 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,355 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,356 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,356 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,356 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,356 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,356 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,357 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,357 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,357 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,357 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,357 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,358 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,358 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,358 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,358 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,359 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,359 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,359 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,359 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,360 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,361 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298. [2020-07-28 21:31:22,362 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:31:22,363 INFO L82 GeneralOperation]: Start isEquivalent. First operand 298 states. Second operand 298 states. [2020-07-28 21:31:22,363 INFO L74 IsIncluded]: Start isIncluded. First operand 298 states. Second operand 298 states. [2020-07-28 21:31:22,363 INFO L87 Difference]: Start difference. First operand 298 states. Second operand 298 states. [2020-07-28 21:31:22,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:31:22,403 INFO L93 Difference]: Finished difference Result 298 states and 864 transitions. [2020-07-28 21:31:22,404 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 864 transitions. [2020-07-28 21:31:22,407 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:31:22,407 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:31:22,407 INFO L74 IsIncluded]: Start isIncluded. First operand 298 states. Second operand 298 states. [2020-07-28 21:31:22,408 INFO L87 Difference]: Start difference. First operand 298 states. Second operand 298 states. [2020-07-28 21:31:22,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:31:22,444 INFO L93 Difference]: Finished difference Result 298 states and 864 transitions. [2020-07-28 21:31:22,444 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 864 transitions. [2020-07-28 21:31:22,446 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:31:22,447 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:31:22,447 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:31:22,447 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:31:22,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-07-28 21:31:22,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 864 transitions. [2020-07-28 21:31:22,470 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 864 transitions. Word has length 8 [2020-07-28 21:31:22,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:31:22,470 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 864 transitions. [2020-07-28 21:31:22,470 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 21:31:22,470 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 864 transitions. [2020-07-28 21:31:22,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-07-28 21:31:22,471 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:31:22,471 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:31:22,471 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 21:31:22,472 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:31:22,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:31:22,472 INFO L82 PathProgramCache]: Analyzing trace with hash -1121187596, now seen corresponding path program 1 times [2020-07-28 21:31:22,472 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:31:22,473 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574558268] [2020-07-28 21:31:22,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:31:22,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:31:22,623 INFO L280 TraceCheckUtils]: 0: Hoare triple {2363#true} [225] ULTIMATE.startENTRY-->L768: Formula: (let ((.cse0 (store |v_#valid_59| 0 0))) (and (= 0 |v_ULTIMATE.start_main_~#t1982~0.offset_19|) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1982~0.base_26|)) (= 0 v_~main$tmp_guard0~0_40) (= 0 v_~__unbuffered_p1_EAX~0_27) (= (store |v_#length_24| |v_ULTIMATE.start_main_~#t1982~0.base_26| 4) |v_#length_23|) (= 0 v_~x~0_17) (= 0 v_~__unbuffered_p2_EAX~0_33) (= 0 v_~main$tmp_guard1~0_25) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t1982~0.base_26|) (= (store |v_#memory_int_22| |v_ULTIMATE.start_main_~#t1982~0.base_26| (store (select |v_#memory_int_22| |v_ULTIMATE.start_main_~#t1982~0.base_26|) |v_ULTIMATE.start_main_~#t1982~0.offset_19| 0)) |v_#memory_int_21|) (= 0 v_~z~0_36) (= 0 |v_#NULL.offset_4|) (= 0 v_~y~0_23) (= |v_#valid_57| (store .cse0 |v_ULTIMATE.start_main_~#t1982~0.base_26| 1)) (= v_~__unbuffered_cnt~0_147 0) (< 0 |v_#StackHeapBarrier_15|) (= 0 |v_#NULL.base_4|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_59|, #memory_int=|v_#memory_int_22|, #length=|v_#length_24|} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_32|, ULTIMATE.start_main_~#t1982~0.offset=|v_ULTIMATE.start_main_~#t1982~0.offset_19|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_9|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_8|, ULTIMATE.start_main_~#t1984~0.offset=|v_ULTIMATE.start_main_~#t1984~0.offset_16|, #NULL.offset=|v_#NULL.offset_4|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_25, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_40, #NULL.base=|v_#NULL.base_4|, ULTIMATE.start_main_~#t1982~0.base=|v_ULTIMATE.start_main_~#t1982~0.base_26|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_27, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_16|, #valid=|v_#valid_57|, #memory_int=|v_#memory_int_21|, ULTIMATE.start_main_~#t1984~0.base=|v_ULTIMATE.start_main_~#t1984~0.base_20|, #length=|v_#length_23|, ULTIMATE.start_main_~#t1983~0.offset=|v_ULTIMATE.start_main_~#t1983~0.offset_16|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_33, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_147, ~z~0=v_~z~0_36, ~y~0=v_~y~0_23, ULTIMATE.start_main_~#t1983~0.base=|v_ULTIMATE.start_main_~#t1983~0.base_20|, ~x~0=v_~x~0_17} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t1982~0.offset, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~#t1984~0.offset, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t1982~0.base, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_#res, #valid, #memory_int, ULTIMATE.start_main_~#t1984~0.base, #length, ULTIMATE.start_main_~#t1983~0.offset, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ULTIMATE.start_main_~#t1983~0.base, ~x~0] {2365#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:31:22,625 INFO L280 TraceCheckUtils]: 1: Hoare triple {2365#(= 0 ~__unbuffered_p2_EAX~0)} [165] L768-->P0ENTRY: Formula: (and (= 0 v_P0Thread1of1ForFork0_thidvar0_2) (= 0 |v_P0Thread1of1ForFork0_#in~arg.base_3|) (= 0 |v_P0Thread1of1ForFork0_#in~arg.offset_3|)) InVars {} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_3|, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_3|, P0Thread1of1ForFork0_thidvar0=v_P0Thread1of1ForFork0_thidvar0_2, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_3|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_3|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_3, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_3} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#in~arg.offset, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_thidvar0, P0Thread1of1ForFork0_#in~arg.base, P0Thread1of1ForFork0_#res.base, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {2365#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:31:22,625 INFO L280 TraceCheckUtils]: 2: Hoare triple {2365#(= 0 ~__unbuffered_p2_EAX~0)} [205] L768-1-->L770: Formula: (and (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1983~0.base_12| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1983~0.base_12|) |v_ULTIMATE.start_main_~#t1983~0.offset_10| 1)) |v_#memory_int_13|) (= |v_#valid_40| (store |v_#valid_41| |v_ULTIMATE.start_main_~#t1983~0.base_12| 1)) (= 0 (select |v_#valid_41| |v_ULTIMATE.start_main_~#t1983~0.base_12|)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t1983~0.base_12|) (not (= 0 |v_ULTIMATE.start_main_~#t1983~0.base_12|)) (= 0 |v_ULTIMATE.start_main_~#t1983~0.offset_10|) (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t1983~0.base_12| 4) |v_#length_15|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_41|, #memory_int=|v_#memory_int_14|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_40|, #memory_int=|v_#memory_int_13|, ULTIMATE.start_main_~#t1983~0.offset=|v_ULTIMATE.start_main_~#t1983~0.offset_10|, #length=|v_#length_15|, ULTIMATE.start_main_~#t1983~0.base=|v_ULTIMATE.start_main_~#t1983~0.base_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, ULTIMATE.start_main_~#t1983~0.offset, #length, ULTIMATE.start_main_~#t1983~0.base] {2365#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:31:22,627 INFO L280 TraceCheckUtils]: 3: Hoare triple {2365#(= 0 ~__unbuffered_p2_EAX~0)} [167] L770-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork1_thidvar0_2) (= 0 |v_P1Thread1of1ForFork1_#in~arg.base_3|) (= 0 |v_P1Thread1of1ForFork1_#in~arg.offset_3|)) InVars {} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_3, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_3|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_3, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_3|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_3|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_3|, P1Thread1of1ForFork1_thidvar0=v_P1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_#res.offset, P1Thread1of1ForFork1_~arg.base, P1Thread1of1ForFork1_#in~arg.base, P1Thread1of1ForFork1_#in~arg.offset, P1Thread1of1ForFork1_#res.base, P1Thread1of1ForFork1_thidvar0] {2365#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:31:22,628 INFO L280 TraceCheckUtils]: 4: Hoare triple {2365#(= 0 ~__unbuffered_p2_EAX~0)} [199] L770-1-->L772: Formula: (and (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t1984~0.base_10|) (= |v_#valid_33| (store |v_#valid_34| |v_ULTIMATE.start_main_~#t1984~0.base_10| 1)) (= |v_#length_13| (store |v_#length_14| |v_ULTIMATE.start_main_~#t1984~0.base_10| 4)) (= |v_#memory_int_11| (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t1984~0.base_10| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t1984~0.base_10|) |v_ULTIMATE.start_main_~#t1984~0.offset_9| 2))) (= 0 |v_ULTIMATE.start_main_~#t1984~0.offset_9|) (not (= 0 |v_ULTIMATE.start_main_~#t1984~0.base_10|)) (= 0 (select |v_#valid_34| |v_ULTIMATE.start_main_~#t1984~0.base_10|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_12|, #length=|v_#length_14|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_33|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_4|, #memory_int=|v_#memory_int_11|, ULTIMATE.start_main_~#t1984~0.offset=|v_ULTIMATE.start_main_~#t1984~0.offset_9|, ULTIMATE.start_main_~#t1984~0.base=|v_ULTIMATE.start_main_~#t1984~0.base_10|, #length=|v_#length_13|} AuxVars[] AssignedVars[#valid, ULTIMATE.start_main_#t~nondet3, #memory_int, ULTIMATE.start_main_~#t1984~0.offset, ULTIMATE.start_main_~#t1984~0.base, #length] {2365#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:31:22,629 INFO L280 TraceCheckUtils]: 5: Hoare triple {2365#(= 0 ~__unbuffered_p2_EAX~0)} [169] L772-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#in~arg.base_3|) (= 0 |v_P2Thread1of1ForFork2_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_3|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_3, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_3, P2Thread1of1ForFork2_thidvar0=v_P2Thread1of1ForFork2_thidvar0_2, P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_3|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_3|, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_3|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#in~arg.offset, P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, P2Thread1of1ForFork2_thidvar0, P2Thread1of1ForFork2_#res.base, P2Thread1of1ForFork2_#in~arg.base, P2Thread1of1ForFork2_#res.offset] {2365#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:31:22,630 INFO L280 TraceCheckUtils]: 6: Hoare triple {2365#(= 0 ~__unbuffered_p2_EAX~0)} [215] L772-1-->L3: Formula: (and (= (mod v_~main$tmp_guard0~0_27 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_11|) (let ((.cse0 (= v_~__unbuffered_cnt~0_105 3))) (or (and .cse0 (= 1 v_~main$tmp_guard0~0_27)) (and (= 0 v_~main$tmp_guard0~0_27) (not .cse0)))) (= v_ULTIMATE.start_assume_abort_if_not_~cond_17 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_11|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_105} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_11|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_17, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_20|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_105, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_27} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {2365#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:31:22,631 INFO L280 TraceCheckUtils]: 7: Hoare triple {2365#(= 0 ~__unbuffered_p2_EAX~0)} [211] L3-->L782: Formula: (and (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_11)) (= (mod v_~main$tmp_guard1~0_18 256) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|) (let ((.cse1 (= 1 v_~__unbuffered_p2_EAX~0_26)) (.cse0 (= 2 v_~z~0_30)) (.cse2 (= 1 v_~__unbuffered_p1_EAX~0_20))) (or (and (or (not .cse0) (not .cse1) (not .cse2)) (= 1 v_~main$tmp_guard1~0_18)) (and .cse1 (= 0 v_~main$tmp_guard1~0_18) .cse0 .cse2)))) InVars {ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_11, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_20, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_26, ~z~0=v_~z~0_30} OutVars{ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_11, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_20, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_18, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_26, ~z~0=v_~z~0_30, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} AuxVars[] AssignedVars[~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {2366#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} is VALID [2020-07-28 21:31:22,631 INFO L280 TraceCheckUtils]: 8: Hoare triple {2366#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} [209] L782-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_11) (= v_ULTIMATE.start___VERIFIER_assert_~expression_11 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_11, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] {2364#false} is VALID [2020-07-28 21:31:22,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 21:31:22,633 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574558268] [2020-07-28 21:31:22,633 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:31:22,633 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 21:31:22,633 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917751353] [2020-07-28 21:31:22,635 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-07-28 21:31:22,635 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:31:22,635 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 21:31:22,653 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 9 edges. 9 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:31:22,653 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 21:31:22,653 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:31:22,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 21:31:22,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 21:31:22,654 INFO L87 Difference]: Start difference. First operand 298 states and 864 transitions. Second operand 4 states. [2020-07-28 21:31:22,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:31:22,770 INFO L93 Difference]: Finished difference Result 330 states and 912 transitions. [2020-07-28 21:31:22,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 21:31:22,770 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-07-28 21:31:22,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:31:22,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:31:22,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 43 transitions. [2020-07-28 21:31:22,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:31:22,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 43 transitions. [2020-07-28 21:31:22,774 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 43 transitions. [2020-07-28 21:31:22,828 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 43 edges. 43 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:31:22,837 INFO L225 Difference]: With dead ends: 330 [2020-07-28 21:31:22,838 INFO L226 Difference]: Without dead ends: 266 [2020-07-28 21:31:22,839 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-28 21:31:22,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-07-28 21:31:22,847 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,847 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,848 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,848 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,848 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,849 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,849 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,849 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,849 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,850 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,850 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,850 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,850 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,851 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,851 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,851 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,852 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,852 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,852 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,852 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,853 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,853 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,853 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,853 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,854 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,854 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,854 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,854 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,855 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,855 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,855 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,855 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,856 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,856 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,856 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,857 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,857 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,857 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,857 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,858 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,858 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,858 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,858 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,859 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,859 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,859 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,859 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,860 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,860 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,860 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,860 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,861 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,861 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,861 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,861 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,862 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,862 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,862 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,863 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,863 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,863 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,863 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,864 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,864 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,864 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,864 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,865 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,865 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,865 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,865 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,866 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,866 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,866 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,866 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,867 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,867 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,867 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,868 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,868 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,868 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,868 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,869 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,869 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,869 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,869 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,870 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,870 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,870 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,871 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,871 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,871 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,872 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,872 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,872 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,872 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,873 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,873 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,873 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,874 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,874 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,874 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,874 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,875 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,875 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,875 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,876 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,876 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,876 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,876 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,877 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,877 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,877 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,877 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,878 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,878 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,878 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,878 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,879 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,879 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,879 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,879 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,880 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,880 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,880 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,880 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,881 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,881 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,881 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,881 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,882 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,882 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,882 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,882 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,883 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,883 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,883 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,883 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,884 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,884 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,884 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,884 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,885 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,885 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,885 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,886 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,886 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,886 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,886 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,887 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,887 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,887 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,887 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,888 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,888 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,888 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,888 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,889 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,889 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,889 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,889 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,890 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,890 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,890 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,891 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,891 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,891 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,891 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,892 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,892 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,892 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,892 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,893 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,893 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,893 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,894 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,894 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,894 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,894 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,895 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,895 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,895 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,895 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,896 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,896 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,896 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,896 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,897 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,897 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,897 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,898 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,898 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,898 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,898 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,899 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,899 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,899 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,899 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,900 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,900 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,900 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,901 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,901 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,901 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,901 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,902 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,902 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,902 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,902 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,903 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,903 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,903 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,904 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,904 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,904 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,904 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,905 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,905 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,905 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,906 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,906 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,906 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,906 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,907 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,907 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,907 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,907 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,908 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,908 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,908 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,908 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,909 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,909 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,909 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,910 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,910 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,910 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,910 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,911 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,911 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,911 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,911 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,912 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,912 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,912 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,912 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,913 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,913 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,913 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,913 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,914 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,914 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,914 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,915 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,915 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,915 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,915 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,915 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,916 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,916 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,916 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,916 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,916 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,916 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,917 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,917 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,917 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:22,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2020-07-28 21:31:22,918 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:31:22,918 INFO L82 GeneralOperation]: Start isEquivalent. First operand 266 states. Second operand 266 states. [2020-07-28 21:31:22,919 INFO L74 IsIncluded]: Start isIncluded. First operand 266 states. Second operand 266 states. [2020-07-28 21:31:22,919 INFO L87 Difference]: Start difference. First operand 266 states. Second operand 266 states. [2020-07-28 21:31:22,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:31:22,936 INFO L93 Difference]: Finished difference Result 266 states and 752 transitions. [2020-07-28 21:31:22,936 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 752 transitions. [2020-07-28 21:31:22,937 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:31:22,937 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:31:22,937 INFO L74 IsIncluded]: Start isIncluded. First operand 266 states. Second operand 266 states. [2020-07-28 21:31:22,937 INFO L87 Difference]: Start difference. First operand 266 states. Second operand 266 states. [2020-07-28 21:31:22,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:31:22,954 INFO L93 Difference]: Finished difference Result 266 states and 752 transitions. [2020-07-28 21:31:22,954 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 752 transitions. [2020-07-28 21:31:22,955 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:31:22,955 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:31:22,955 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:31:22,955 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:31:22,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-07-28 21:31:22,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 752 transitions. [2020-07-28 21:31:22,972 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 752 transitions. Word has length 9 [2020-07-28 21:31:22,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:31:22,972 INFO L479 AbstractCegarLoop]: Abstraction has 266 states and 752 transitions. [2020-07-28 21:31:22,973 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 21:31:22,973 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 752 transitions. [2020-07-28 21:31:22,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-07-28 21:31:22,974 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:31:22,974 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:31:22,974 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 21:31:22,974 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:31:22,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:31:22,975 INFO L82 PathProgramCache]: Analyzing trace with hash -397698604, now seen corresponding path program 1 times [2020-07-28 21:31:22,975 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:31:22,975 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936098765] [2020-07-28 21:31:22,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:31:23,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:31:23,097 INFO L280 TraceCheckUtils]: 0: Hoare triple {3765#true} [225] ULTIMATE.startENTRY-->L768: Formula: (let ((.cse0 (store |v_#valid_59| 0 0))) (and (= 0 |v_ULTIMATE.start_main_~#t1982~0.offset_19|) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1982~0.base_26|)) (= 0 v_~main$tmp_guard0~0_40) (= 0 v_~__unbuffered_p1_EAX~0_27) (= (store |v_#length_24| |v_ULTIMATE.start_main_~#t1982~0.base_26| 4) |v_#length_23|) (= 0 v_~x~0_17) (= 0 v_~__unbuffered_p2_EAX~0_33) (= 0 v_~main$tmp_guard1~0_25) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t1982~0.base_26|) (= (store |v_#memory_int_22| |v_ULTIMATE.start_main_~#t1982~0.base_26| (store (select |v_#memory_int_22| |v_ULTIMATE.start_main_~#t1982~0.base_26|) |v_ULTIMATE.start_main_~#t1982~0.offset_19| 0)) |v_#memory_int_21|) (= 0 v_~z~0_36) (= 0 |v_#NULL.offset_4|) (= 0 v_~y~0_23) (= |v_#valid_57| (store .cse0 |v_ULTIMATE.start_main_~#t1982~0.base_26| 1)) (= v_~__unbuffered_cnt~0_147 0) (< 0 |v_#StackHeapBarrier_15|) (= 0 |v_#NULL.base_4|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_59|, #memory_int=|v_#memory_int_22|, #length=|v_#length_24|} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_32|, ULTIMATE.start_main_~#t1982~0.offset=|v_ULTIMATE.start_main_~#t1982~0.offset_19|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_9|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_8|, ULTIMATE.start_main_~#t1984~0.offset=|v_ULTIMATE.start_main_~#t1984~0.offset_16|, #NULL.offset=|v_#NULL.offset_4|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_25, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_40, #NULL.base=|v_#NULL.base_4|, ULTIMATE.start_main_~#t1982~0.base=|v_ULTIMATE.start_main_~#t1982~0.base_26|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_27, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_16|, #valid=|v_#valid_57|, #memory_int=|v_#memory_int_21|, ULTIMATE.start_main_~#t1984~0.base=|v_ULTIMATE.start_main_~#t1984~0.base_20|, #length=|v_#length_23|, ULTIMATE.start_main_~#t1983~0.offset=|v_ULTIMATE.start_main_~#t1983~0.offset_16|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_33, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_147, ~z~0=v_~z~0_36, ~y~0=v_~y~0_23, ULTIMATE.start_main_~#t1983~0.base=|v_ULTIMATE.start_main_~#t1983~0.base_20|, ~x~0=v_~x~0_17} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t1982~0.offset, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~#t1984~0.offset, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t1982~0.base, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_#res, #valid, #memory_int, ULTIMATE.start_main_~#t1984~0.base, #length, ULTIMATE.start_main_~#t1983~0.offset, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ULTIMATE.start_main_~#t1983~0.base, ~x~0] {3767#(= 0 ~y~0)} is VALID [2020-07-28 21:31:23,098 INFO L280 TraceCheckUtils]: 1: Hoare triple {3767#(= 0 ~y~0)} [165] L768-->P0ENTRY: Formula: (and (= 0 v_P0Thread1of1ForFork0_thidvar0_2) (= 0 |v_P0Thread1of1ForFork0_#in~arg.base_3|) (= 0 |v_P0Thread1of1ForFork0_#in~arg.offset_3|)) InVars {} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_3|, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_3|, P0Thread1of1ForFork0_thidvar0=v_P0Thread1of1ForFork0_thidvar0_2, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_3|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_3|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_3, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_3} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#in~arg.offset, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_thidvar0, P0Thread1of1ForFork0_#in~arg.base, P0Thread1of1ForFork0_#res.base, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {3767#(= 0 ~y~0)} is VALID [2020-07-28 21:31:23,099 INFO L280 TraceCheckUtils]: 2: Hoare triple {3767#(= 0 ~y~0)} [205] L768-1-->L770: Formula: (and (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1983~0.base_12| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1983~0.base_12|) |v_ULTIMATE.start_main_~#t1983~0.offset_10| 1)) |v_#memory_int_13|) (= |v_#valid_40| (store |v_#valid_41| |v_ULTIMATE.start_main_~#t1983~0.base_12| 1)) (= 0 (select |v_#valid_41| |v_ULTIMATE.start_main_~#t1983~0.base_12|)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t1983~0.base_12|) (not (= 0 |v_ULTIMATE.start_main_~#t1983~0.base_12|)) (= 0 |v_ULTIMATE.start_main_~#t1983~0.offset_10|) (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t1983~0.base_12| 4) |v_#length_15|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_41|, #memory_int=|v_#memory_int_14|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_40|, #memory_int=|v_#memory_int_13|, ULTIMATE.start_main_~#t1983~0.offset=|v_ULTIMATE.start_main_~#t1983~0.offset_10|, #length=|v_#length_15|, ULTIMATE.start_main_~#t1983~0.base=|v_ULTIMATE.start_main_~#t1983~0.base_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, ULTIMATE.start_main_~#t1983~0.offset, #length, ULTIMATE.start_main_~#t1983~0.base] {3767#(= 0 ~y~0)} is VALID [2020-07-28 21:31:23,100 INFO L280 TraceCheckUtils]: 3: Hoare triple {3767#(= 0 ~y~0)} [167] L770-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork1_thidvar0_2) (= 0 |v_P1Thread1of1ForFork1_#in~arg.base_3|) (= 0 |v_P1Thread1of1ForFork1_#in~arg.offset_3|)) InVars {} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_3, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_3|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_3, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_3|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_3|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_3|, P1Thread1of1ForFork1_thidvar0=v_P1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_#res.offset, P1Thread1of1ForFork1_~arg.base, P1Thread1of1ForFork1_#in~arg.base, P1Thread1of1ForFork1_#in~arg.offset, P1Thread1of1ForFork1_#res.base, P1Thread1of1ForFork1_thidvar0] {3767#(= 0 ~y~0)} is VALID [2020-07-28 21:31:23,100 INFO L280 TraceCheckUtils]: 4: Hoare triple {3767#(= 0 ~y~0)} [199] L770-1-->L772: Formula: (and (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t1984~0.base_10|) (= |v_#valid_33| (store |v_#valid_34| |v_ULTIMATE.start_main_~#t1984~0.base_10| 1)) (= |v_#length_13| (store |v_#length_14| |v_ULTIMATE.start_main_~#t1984~0.base_10| 4)) (= |v_#memory_int_11| (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t1984~0.base_10| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t1984~0.base_10|) |v_ULTIMATE.start_main_~#t1984~0.offset_9| 2))) (= 0 |v_ULTIMATE.start_main_~#t1984~0.offset_9|) (not (= 0 |v_ULTIMATE.start_main_~#t1984~0.base_10|)) (= 0 (select |v_#valid_34| |v_ULTIMATE.start_main_~#t1984~0.base_10|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_12|, #length=|v_#length_14|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_33|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_4|, #memory_int=|v_#memory_int_11|, ULTIMATE.start_main_~#t1984~0.offset=|v_ULTIMATE.start_main_~#t1984~0.offset_9|, ULTIMATE.start_main_~#t1984~0.base=|v_ULTIMATE.start_main_~#t1984~0.base_10|, #length=|v_#length_13|} AuxVars[] AssignedVars[#valid, ULTIMATE.start_main_#t~nondet3, #memory_int, ULTIMATE.start_main_~#t1984~0.offset, ULTIMATE.start_main_~#t1984~0.base, #length] {3767#(= 0 ~y~0)} is VALID [2020-07-28 21:31:23,101 INFO L280 TraceCheckUtils]: 5: Hoare triple {3767#(= 0 ~y~0)} [169] L772-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#in~arg.base_3|) (= 0 |v_P2Thread1of1ForFork2_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_3|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_3, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_3, P2Thread1of1ForFork2_thidvar0=v_P2Thread1of1ForFork2_thidvar0_2, P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_3|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_3|, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_3|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#in~arg.offset, P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, P2Thread1of1ForFork2_thidvar0, P2Thread1of1ForFork2_#res.base, P2Thread1of1ForFork2_#in~arg.base, P2Thread1of1ForFork2_#res.offset] {3767#(= 0 ~y~0)} is VALID [2020-07-28 21:31:23,102 INFO L280 TraceCheckUtils]: 6: Hoare triple {3767#(= 0 ~y~0)} [194] P2ENTRY-->L745: Formula: (and (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4) (= v_~y~0_10 v_~__unbuffered_p2_EAX~0_18)) InVars {P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_10} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_4, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_4, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_18, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_10} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {3768#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:31:23,103 INFO L280 TraceCheckUtils]: 7: Hoare triple {3768#(= 0 ~__unbuffered_p2_EAX~0)} [215] L772-1-->L3: Formula: (and (= (mod v_~main$tmp_guard0~0_27 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_11|) (let ((.cse0 (= v_~__unbuffered_cnt~0_105 3))) (or (and .cse0 (= 1 v_~main$tmp_guard0~0_27)) (and (= 0 v_~main$tmp_guard0~0_27) (not .cse0)))) (= v_ULTIMATE.start_assume_abort_if_not_~cond_17 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_11|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_105} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_11|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_17, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_20|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_105, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_27} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {3768#(= 0 ~__unbuffered_p2_EAX~0)} is VALID [2020-07-28 21:31:23,104 INFO L280 TraceCheckUtils]: 8: Hoare triple {3768#(= 0 ~__unbuffered_p2_EAX~0)} [211] L3-->L782: Formula: (and (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_11)) (= (mod v_~main$tmp_guard1~0_18 256) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|) (let ((.cse1 (= 1 v_~__unbuffered_p2_EAX~0_26)) (.cse0 (= 2 v_~z~0_30)) (.cse2 (= 1 v_~__unbuffered_p1_EAX~0_20))) (or (and (or (not .cse0) (not .cse1) (not .cse2)) (= 1 v_~main$tmp_guard1~0_18)) (and .cse1 (= 0 v_~main$tmp_guard1~0_18) .cse0 .cse2)))) InVars {ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_11, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_20, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_26, ~z~0=v_~z~0_30} OutVars{ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_11, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_20, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_18, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_26, ~z~0=v_~z~0_30, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} AuxVars[] AssignedVars[~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {3769#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} is VALID [2020-07-28 21:31:23,106 INFO L280 TraceCheckUtils]: 9: Hoare triple {3769#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} [209] L782-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_11) (= v_ULTIMATE.start___VERIFIER_assert_~expression_11 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_11, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] {3766#false} is VALID [2020-07-28 21:31:23,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 21:31:23,107 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936098765] [2020-07-28 21:31:23,107 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:31:23,107 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 21:31:23,107 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033200839] [2020-07-28 21:31:23,108 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-07-28 21:31:23,108 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:31:23,110 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 21:31:23,127 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 10 edges. 10 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:31:23,127 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 21:31:23,127 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:31:23,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 21:31:23,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 21:31:23,128 INFO L87 Difference]: Start difference. First operand 266 states and 752 transitions. Second operand 5 states. [2020-07-28 21:31:23,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:31:23,295 INFO L93 Difference]: Finished difference Result 314 states and 856 transitions. [2020-07-28 21:31:23,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 21:31:23,295 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-07-28 21:31:23,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:31:23,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:31:23,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 51 transitions. [2020-07-28 21:31:23,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:31:23,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 51 transitions. [2020-07-28 21:31:23,297 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 51 transitions. [2020-07-28 21:31:23,366 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:31:23,370 INFO L225 Difference]: With dead ends: 314 [2020-07-28 21:31:23,371 INFO L226 Difference]: Without dead ends: 170 [2020-07-28 21:31:23,371 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 21:31:23,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2020-07-28 21:31:23,375 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,376 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,376 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,377 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,377 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,377 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,377 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,378 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,378 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,378 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,378 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,379 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,379 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,379 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,379 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,380 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,380 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,380 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,381 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,381 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,381 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,381 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,382 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,382 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,382 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,382 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,383 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,383 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,383 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,383 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,384 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,384 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,384 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,385 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,385 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,385 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,385 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,386 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,386 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,386 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,386 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,387 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,387 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,387 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,388 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,388 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,388 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,388 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,389 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,389 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,389 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,389 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,390 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,390 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,390 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,390 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,391 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,391 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,391 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,392 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,392 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,392 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,392 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,393 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,393 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,393 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,393 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,394 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,394 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,394 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,395 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,395 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,395 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,395 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,396 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,396 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,396 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,396 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,397 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,397 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,397 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,397 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,398 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,398 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,398 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,398 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,399 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,399 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,399 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,399 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,400 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,400 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,400 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,400 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,401 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,401 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,401 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,401 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,402 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,402 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,402 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,402 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,403 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,403 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,403 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,403 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,404 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,404 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,404 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,404 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,405 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,405 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,405 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,405 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,406 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,406 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,406 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,406 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,407 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,407 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,407 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,407 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,408 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,408 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,408 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,408 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,409 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,409 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,409 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,410 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,410 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,410 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,410 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,411 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,411 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,411 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,411 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,412 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,412 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,412 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,413 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,413 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,413 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,413 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,414 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,414 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,414 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,415 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,415 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,415 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,416 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,416 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,416 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,416 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,417 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,417 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,417 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,418 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,418 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,418 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,418 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,419 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,419 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,419 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,420 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,420 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,420 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,421 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,421 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,421 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2020-07-28 21:31:23,422 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:31:23,422 INFO L82 GeneralOperation]: Start isEquivalent. First operand 170 states. Second operand 170 states. [2020-07-28 21:31:23,422 INFO L74 IsIncluded]: Start isIncluded. First operand 170 states. Second operand 170 states. [2020-07-28 21:31:23,423 INFO L87 Difference]: Start difference. First operand 170 states. Second operand 170 states. [2020-07-28 21:31:23,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:31:23,429 INFO L93 Difference]: Finished difference Result 170 states and 432 transitions. [2020-07-28 21:31:23,429 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 432 transitions. [2020-07-28 21:31:23,430 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:31:23,430 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:31:23,430 INFO L74 IsIncluded]: Start isIncluded. First operand 170 states. Second operand 170 states. [2020-07-28 21:31:23,430 INFO L87 Difference]: Start difference. First operand 170 states. Second operand 170 states. [2020-07-28 21:31:23,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:31:23,437 INFO L93 Difference]: Finished difference Result 170 states and 432 transitions. [2020-07-28 21:31:23,437 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 432 transitions. [2020-07-28 21:31:23,437 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:31:23,438 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:31:23,438 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:31:23,438 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:31:23,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-07-28 21:31:23,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 432 transitions. [2020-07-28 21:31:23,444 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 432 transitions. Word has length 10 [2020-07-28 21:31:23,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:31:23,445 INFO L479 AbstractCegarLoop]: Abstraction has 170 states and 432 transitions. [2020-07-28 21:31:23,445 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 21:31:23,446 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 432 transitions. [2020-07-28 21:31:23,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-28 21:31:23,447 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:31:23,447 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:31:23,447 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 21:31:23,447 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:31:23,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:31:23,448 INFO L82 PathProgramCache]: Analyzing trace with hash 1820296279, now seen corresponding path program 1 times [2020-07-28 21:31:23,448 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:31:23,448 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626097063] [2020-07-28 21:31:23,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:31:23,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:31:23,564 INFO L280 TraceCheckUtils]: 0: Hoare triple {4772#true} [225] ULTIMATE.startENTRY-->L768: Formula: (let ((.cse0 (store |v_#valid_59| 0 0))) (and (= 0 |v_ULTIMATE.start_main_~#t1982~0.offset_19|) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1982~0.base_26|)) (= 0 v_~main$tmp_guard0~0_40) (= 0 v_~__unbuffered_p1_EAX~0_27) (= (store |v_#length_24| |v_ULTIMATE.start_main_~#t1982~0.base_26| 4) |v_#length_23|) (= 0 v_~x~0_17) (= 0 v_~__unbuffered_p2_EAX~0_33) (= 0 v_~main$tmp_guard1~0_25) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t1982~0.base_26|) (= (store |v_#memory_int_22| |v_ULTIMATE.start_main_~#t1982~0.base_26| (store (select |v_#memory_int_22| |v_ULTIMATE.start_main_~#t1982~0.base_26|) |v_ULTIMATE.start_main_~#t1982~0.offset_19| 0)) |v_#memory_int_21|) (= 0 v_~z~0_36) (= 0 |v_#NULL.offset_4|) (= 0 v_~y~0_23) (= |v_#valid_57| (store .cse0 |v_ULTIMATE.start_main_~#t1982~0.base_26| 1)) (= v_~__unbuffered_cnt~0_147 0) (< 0 |v_#StackHeapBarrier_15|) (= 0 |v_#NULL.base_4|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_59|, #memory_int=|v_#memory_int_22|, #length=|v_#length_24|} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_32|, ULTIMATE.start_main_~#t1982~0.offset=|v_ULTIMATE.start_main_~#t1982~0.offset_19|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_9|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_8|, ULTIMATE.start_main_~#t1984~0.offset=|v_ULTIMATE.start_main_~#t1984~0.offset_16|, #NULL.offset=|v_#NULL.offset_4|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_25, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_40, #NULL.base=|v_#NULL.base_4|, ULTIMATE.start_main_~#t1982~0.base=|v_ULTIMATE.start_main_~#t1982~0.base_26|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_27, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_16|, #valid=|v_#valid_57|, #memory_int=|v_#memory_int_21|, ULTIMATE.start_main_~#t1984~0.base=|v_ULTIMATE.start_main_~#t1984~0.base_20|, #length=|v_#length_23|, ULTIMATE.start_main_~#t1983~0.offset=|v_ULTIMATE.start_main_~#t1983~0.offset_16|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_33, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_147, ~z~0=v_~z~0_36, ~y~0=v_~y~0_23, ULTIMATE.start_main_~#t1983~0.base=|v_ULTIMATE.start_main_~#t1983~0.base_20|, ~x~0=v_~x~0_17} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t1982~0.offset, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~#t1984~0.offset, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t1982~0.base, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_#res, #valid, #memory_int, ULTIMATE.start_main_~#t1984~0.base, #length, ULTIMATE.start_main_~#t1983~0.offset, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ULTIMATE.start_main_~#t1983~0.base, ~x~0] {4774#(= 0 ~x~0)} is VALID [2020-07-28 21:31:23,565 INFO L280 TraceCheckUtils]: 1: Hoare triple {4774#(= 0 ~x~0)} [165] L768-->P0ENTRY: Formula: (and (= 0 v_P0Thread1of1ForFork0_thidvar0_2) (= 0 |v_P0Thread1of1ForFork0_#in~arg.base_3|) (= 0 |v_P0Thread1of1ForFork0_#in~arg.offset_3|)) InVars {} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_3|, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_3|, P0Thread1of1ForFork0_thidvar0=v_P0Thread1of1ForFork0_thidvar0_2, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_3|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_3|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_3, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_3} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#in~arg.offset, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_thidvar0, P0Thread1of1ForFork0_#in~arg.base, P0Thread1of1ForFork0_#res.base, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {4774#(= 0 ~x~0)} is VALID [2020-07-28 21:31:23,566 INFO L280 TraceCheckUtils]: 2: Hoare triple {4774#(= 0 ~x~0)} [205] L768-1-->L770: Formula: (and (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1983~0.base_12| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1983~0.base_12|) |v_ULTIMATE.start_main_~#t1983~0.offset_10| 1)) |v_#memory_int_13|) (= |v_#valid_40| (store |v_#valid_41| |v_ULTIMATE.start_main_~#t1983~0.base_12| 1)) (= 0 (select |v_#valid_41| |v_ULTIMATE.start_main_~#t1983~0.base_12|)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t1983~0.base_12|) (not (= 0 |v_ULTIMATE.start_main_~#t1983~0.base_12|)) (= 0 |v_ULTIMATE.start_main_~#t1983~0.offset_10|) (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t1983~0.base_12| 4) |v_#length_15|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_41|, #memory_int=|v_#memory_int_14|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_40|, #memory_int=|v_#memory_int_13|, ULTIMATE.start_main_~#t1983~0.offset=|v_ULTIMATE.start_main_~#t1983~0.offset_10|, #length=|v_#length_15|, ULTIMATE.start_main_~#t1983~0.base=|v_ULTIMATE.start_main_~#t1983~0.base_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, ULTIMATE.start_main_~#t1983~0.offset, #length, ULTIMATE.start_main_~#t1983~0.base] {4774#(= 0 ~x~0)} is VALID [2020-07-28 21:31:23,567 INFO L280 TraceCheckUtils]: 3: Hoare triple {4774#(= 0 ~x~0)} [167] L770-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork1_thidvar0_2) (= 0 |v_P1Thread1of1ForFork1_#in~arg.base_3|) (= 0 |v_P1Thread1of1ForFork1_#in~arg.offset_3|)) InVars {} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_3, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_3|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_3, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_3|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_3|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_3|, P1Thread1of1ForFork1_thidvar0=v_P1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_#res.offset, P1Thread1of1ForFork1_~arg.base, P1Thread1of1ForFork1_#in~arg.base, P1Thread1of1ForFork1_#in~arg.offset, P1Thread1of1ForFork1_#res.base, P1Thread1of1ForFork1_thidvar0] {4774#(= 0 ~x~0)} is VALID [2020-07-28 21:31:23,568 INFO L280 TraceCheckUtils]: 4: Hoare triple {4774#(= 0 ~x~0)} [195] P1ENTRY-->L730: Formula: (and (= v_~__unbuffered_p1_EAX~0_15 v_~x~0_7) (= |v_P1Thread1of1ForFork1_#in~arg.offset_4| v_P1Thread1of1ForFork1_~arg.offset_4) (= v_P1Thread1of1ForFork1_~arg.base_4 |v_P1Thread1of1ForFork1_#in~arg.base_4|)) InVars {P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|, ~x~0=v_~x~0_7} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_4, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_15, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_4, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|, ~x~0=v_~x~0_7} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, ~__unbuffered_p1_EAX~0, P1Thread1of1ForFork1_~arg.base] {4775#(= 0 ~__unbuffered_p1_EAX~0)} is VALID [2020-07-28 21:31:23,569 INFO L280 TraceCheckUtils]: 5: Hoare triple {4775#(= 0 ~__unbuffered_p1_EAX~0)} [199] L770-1-->L772: Formula: (and (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t1984~0.base_10|) (= |v_#valid_33| (store |v_#valid_34| |v_ULTIMATE.start_main_~#t1984~0.base_10| 1)) (= |v_#length_13| (store |v_#length_14| |v_ULTIMATE.start_main_~#t1984~0.base_10| 4)) (= |v_#memory_int_11| (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t1984~0.base_10| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t1984~0.base_10|) |v_ULTIMATE.start_main_~#t1984~0.offset_9| 2))) (= 0 |v_ULTIMATE.start_main_~#t1984~0.offset_9|) (not (= 0 |v_ULTIMATE.start_main_~#t1984~0.base_10|)) (= 0 (select |v_#valid_34| |v_ULTIMATE.start_main_~#t1984~0.base_10|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_12|, #length=|v_#length_14|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_33|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_4|, #memory_int=|v_#memory_int_11|, ULTIMATE.start_main_~#t1984~0.offset=|v_ULTIMATE.start_main_~#t1984~0.offset_9|, ULTIMATE.start_main_~#t1984~0.base=|v_ULTIMATE.start_main_~#t1984~0.base_10|, #length=|v_#length_13|} AuxVars[] AssignedVars[#valid, ULTIMATE.start_main_#t~nondet3, #memory_int, ULTIMATE.start_main_~#t1984~0.offset, ULTIMATE.start_main_~#t1984~0.base, #length] {4775#(= 0 ~__unbuffered_p1_EAX~0)} is VALID [2020-07-28 21:31:23,570 INFO L280 TraceCheckUtils]: 6: Hoare triple {4775#(= 0 ~__unbuffered_p1_EAX~0)} [169] L772-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#in~arg.base_3|) (= 0 |v_P2Thread1of1ForFork2_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_3|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_3, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_3, P2Thread1of1ForFork2_thidvar0=v_P2Thread1of1ForFork2_thidvar0_2, P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_3|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_3|, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_3|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#in~arg.offset, P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, P2Thread1of1ForFork2_thidvar0, P2Thread1of1ForFork2_#res.base, P2Thread1of1ForFork2_#in~arg.base, P2Thread1of1ForFork2_#res.offset] {4775#(= 0 ~__unbuffered_p1_EAX~0)} is VALID [2020-07-28 21:31:23,571 INFO L280 TraceCheckUtils]: 7: Hoare triple {4775#(= 0 ~__unbuffered_p1_EAX~0)} [215] L772-1-->L3: Formula: (and (= (mod v_~main$tmp_guard0~0_27 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_11|) (let ((.cse0 (= v_~__unbuffered_cnt~0_105 3))) (or (and .cse0 (= 1 v_~main$tmp_guard0~0_27)) (and (= 0 v_~main$tmp_guard0~0_27) (not .cse0)))) (= v_ULTIMATE.start_assume_abort_if_not_~cond_17 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_11|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_105} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_11|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_17, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_20|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_105, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_27} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {4775#(= 0 ~__unbuffered_p1_EAX~0)} is VALID [2020-07-28 21:31:23,571 INFO L280 TraceCheckUtils]: 8: Hoare triple {4775#(= 0 ~__unbuffered_p1_EAX~0)} [154] L730-->L733: Formula: (= v_~y~0_1 1) InVars {} OutVars{~y~0=v_~y~0_1} AuxVars[] AssignedVars[~y~0] {4775#(= 0 ~__unbuffered_p1_EAX~0)} is VALID [2020-07-28 21:31:23,572 INFO L280 TraceCheckUtils]: 9: Hoare triple {4775#(= 0 ~__unbuffered_p1_EAX~0)} [194] P2ENTRY-->L745: Formula: (and (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4) (= v_~y~0_10 v_~__unbuffered_p2_EAX~0_18)) InVars {P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_10} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_4, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_4, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_18, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_10} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {4775#(= 0 ~__unbuffered_p1_EAX~0)} is VALID [2020-07-28 21:31:23,574 INFO L280 TraceCheckUtils]: 10: Hoare triple {4775#(= 0 ~__unbuffered_p1_EAX~0)} [211] L3-->L782: Formula: (and (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_11)) (= (mod v_~main$tmp_guard1~0_18 256) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|) (let ((.cse1 (= 1 v_~__unbuffered_p2_EAX~0_26)) (.cse0 (= 2 v_~z~0_30)) (.cse2 (= 1 v_~__unbuffered_p1_EAX~0_20))) (or (and (or (not .cse0) (not .cse1) (not .cse2)) (= 1 v_~main$tmp_guard1~0_18)) (and .cse1 (= 0 v_~main$tmp_guard1~0_18) .cse0 .cse2)))) InVars {ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_11, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_20, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_26, ~z~0=v_~z~0_30} OutVars{ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_11, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_20, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_18, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_26, ~z~0=v_~z~0_30, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} AuxVars[] AssignedVars[~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {4776#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} is VALID [2020-07-28 21:31:23,575 INFO L280 TraceCheckUtils]: 11: Hoare triple {4776#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} [209] L782-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_11) (= v_ULTIMATE.start___VERIFIER_assert_~expression_11 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_11, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] {4773#false} is VALID [2020-07-28 21:31:23,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 21:31:23,576 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626097063] [2020-07-28 21:31:23,576 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:31:23,577 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 21:31:23,577 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605264627] [2020-07-28 21:31:23,578 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-07-28 21:31:23,578 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:31:23,578 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 21:31:23,593 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:31:23,593 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 21:31:23,594 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:31:23,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 21:31:23,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 21:31:23,594 INFO L87 Difference]: Start difference. First operand 170 states and 432 transitions. Second operand 5 states. [2020-07-28 21:31:23,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:31:23,737 INFO L93 Difference]: Finished difference Result 218 states and 532 transitions. [2020-07-28 21:31:23,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 21:31:23,737 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-07-28 21:31:23,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:31:23,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:31:23,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 51 transitions. [2020-07-28 21:31:23,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:31:23,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 51 transitions. [2020-07-28 21:31:23,740 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 51 transitions. [2020-07-28 21:31:23,813 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:31:23,815 INFO L225 Difference]: With dead ends: 218 [2020-07-28 21:31:23,815 INFO L226 Difference]: Without dead ends: 98 [2020-07-28 21:31:23,816 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 21:31:23,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-07-28 21:31:23,819 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,819 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,819 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,820 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,820 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,820 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,821 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,821 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,822 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,822 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,822 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,823 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,823 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,823 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,824 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,824 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,824 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,825 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,825 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,825 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,825 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,826 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,826 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,826 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,827 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,827 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,827 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,828 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,828 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,828 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,829 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,829 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,829 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,829 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,830 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,830 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,830 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,831 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,831 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,831 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,832 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,832 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,832 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,833 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,833 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,833 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,834 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,834 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,834 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,834 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,835 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,835 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,835 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,836 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,836 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,836 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,836 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,837 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,837 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,837 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,838 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,838 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,838 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,838 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,839 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,839 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,839 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,840 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,840 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,840 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,841 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,841 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,841 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,841 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,842 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,842 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,842 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,843 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,843 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,843 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,844 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,844 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,844 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,844 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,845 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,845 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,845 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,846 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,846 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,846 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,847 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,847 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,847 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,847 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,848 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,848 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,849 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,849 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:23,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2020-07-28 21:31:23,849 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:31:23,850 INFO L82 GeneralOperation]: Start isEquivalent. First operand 98 states. Second operand 98 states. [2020-07-28 21:31:23,850 INFO L74 IsIncluded]: Start isIncluded. First operand 98 states. Second operand 98 states. [2020-07-28 21:31:23,850 INFO L87 Difference]: Start difference. First operand 98 states. Second operand 98 states. [2020-07-28 21:31:23,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:31:23,853 INFO L93 Difference]: Finished difference Result 98 states and 218 transitions. [2020-07-28 21:31:23,854 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 218 transitions. [2020-07-28 21:31:23,854 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:31:23,855 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:31:23,855 INFO L74 IsIncluded]: Start isIncluded. First operand 98 states. Second operand 98 states. [2020-07-28 21:31:23,855 INFO L87 Difference]: Start difference. First operand 98 states. Second operand 98 states. [2020-07-28 21:31:23,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:31:23,859 INFO L93 Difference]: Finished difference Result 98 states and 218 transitions. [2020-07-28 21:31:23,859 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 218 transitions. [2020-07-28 21:31:23,860 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:31:23,860 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:31:23,860 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:31:23,861 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:31:23,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-07-28 21:31:23,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 218 transitions. [2020-07-28 21:31:23,864 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 218 transitions. Word has length 12 [2020-07-28 21:31:23,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:31:23,864 INFO L479 AbstractCegarLoop]: Abstraction has 98 states and 218 transitions. [2020-07-28 21:31:23,865 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 21:31:23,865 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 218 transitions. [2020-07-28 21:31:23,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-07-28 21:31:23,866 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:31:23,866 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:31:23,866 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 21:31:23,866 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:31:23,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:31:23,867 INFO L82 PathProgramCache]: Analyzing trace with hash -484565939, now seen corresponding path program 1 times [2020-07-28 21:31:23,867 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:31:23,868 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144141076] [2020-07-28 21:31:23,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:31:23,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:31:23,929 INFO L280 TraceCheckUtils]: 0: Hoare triple {5395#true} [225] ULTIMATE.startENTRY-->L768: Formula: (let ((.cse0 (store |v_#valid_59| 0 0))) (and (= 0 |v_ULTIMATE.start_main_~#t1982~0.offset_19|) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1982~0.base_26|)) (= 0 v_~main$tmp_guard0~0_40) (= 0 v_~__unbuffered_p1_EAX~0_27) (= (store |v_#length_24| |v_ULTIMATE.start_main_~#t1982~0.base_26| 4) |v_#length_23|) (= 0 v_~x~0_17) (= 0 v_~__unbuffered_p2_EAX~0_33) (= 0 v_~main$tmp_guard1~0_25) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t1982~0.base_26|) (= (store |v_#memory_int_22| |v_ULTIMATE.start_main_~#t1982~0.base_26| (store (select |v_#memory_int_22| |v_ULTIMATE.start_main_~#t1982~0.base_26|) |v_ULTIMATE.start_main_~#t1982~0.offset_19| 0)) |v_#memory_int_21|) (= 0 v_~z~0_36) (= 0 |v_#NULL.offset_4|) (= 0 v_~y~0_23) (= |v_#valid_57| (store .cse0 |v_ULTIMATE.start_main_~#t1982~0.base_26| 1)) (= v_~__unbuffered_cnt~0_147 0) (< 0 |v_#StackHeapBarrier_15|) (= 0 |v_#NULL.base_4|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_59|, #memory_int=|v_#memory_int_22|, #length=|v_#length_24|} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_32|, ULTIMATE.start_main_~#t1982~0.offset=|v_ULTIMATE.start_main_~#t1982~0.offset_19|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_9|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_8|, ULTIMATE.start_main_~#t1984~0.offset=|v_ULTIMATE.start_main_~#t1984~0.offset_16|, #NULL.offset=|v_#NULL.offset_4|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_25, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_40, #NULL.base=|v_#NULL.base_4|, ULTIMATE.start_main_~#t1982~0.base=|v_ULTIMATE.start_main_~#t1982~0.base_26|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_27, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_16|, #valid=|v_#valid_57|, #memory_int=|v_#memory_int_21|, ULTIMATE.start_main_~#t1984~0.base=|v_ULTIMATE.start_main_~#t1984~0.base_20|, #length=|v_#length_23|, ULTIMATE.start_main_~#t1983~0.offset=|v_ULTIMATE.start_main_~#t1983~0.offset_16|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_33, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_147, ~z~0=v_~z~0_36, ~y~0=v_~y~0_23, ULTIMATE.start_main_~#t1983~0.base=|v_ULTIMATE.start_main_~#t1983~0.base_20|, ~x~0=v_~x~0_17} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t1982~0.offset, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~#t1984~0.offset, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t1982~0.base, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_#res, #valid, #memory_int, ULTIMATE.start_main_~#t1984~0.base, #length, ULTIMATE.start_main_~#t1983~0.offset, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ULTIMATE.start_main_~#t1983~0.base, ~x~0] {5397#(<= ~__unbuffered_cnt~0 0)} is VALID [2020-07-28 21:31:23,930 INFO L280 TraceCheckUtils]: 1: Hoare triple {5397#(<= ~__unbuffered_cnt~0 0)} [165] L768-->P0ENTRY: Formula: (and (= 0 v_P0Thread1of1ForFork0_thidvar0_2) (= 0 |v_P0Thread1of1ForFork0_#in~arg.base_3|) (= 0 |v_P0Thread1of1ForFork0_#in~arg.offset_3|)) InVars {} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_3|, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_3|, P0Thread1of1ForFork0_thidvar0=v_P0Thread1of1ForFork0_thidvar0_2, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_3|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_3|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_3, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_3} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#in~arg.offset, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_thidvar0, P0Thread1of1ForFork0_#in~arg.base, P0Thread1of1ForFork0_#res.base, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {5397#(<= ~__unbuffered_cnt~0 0)} is VALID [2020-07-28 21:31:23,931 INFO L280 TraceCheckUtils]: 2: Hoare triple {5397#(<= ~__unbuffered_cnt~0 0)} [205] L768-1-->L770: Formula: (and (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1983~0.base_12| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1983~0.base_12|) |v_ULTIMATE.start_main_~#t1983~0.offset_10| 1)) |v_#memory_int_13|) (= |v_#valid_40| (store |v_#valid_41| |v_ULTIMATE.start_main_~#t1983~0.base_12| 1)) (= 0 (select |v_#valid_41| |v_ULTIMATE.start_main_~#t1983~0.base_12|)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t1983~0.base_12|) (not (= 0 |v_ULTIMATE.start_main_~#t1983~0.base_12|)) (= 0 |v_ULTIMATE.start_main_~#t1983~0.offset_10|) (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t1983~0.base_12| 4) |v_#length_15|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_41|, #memory_int=|v_#memory_int_14|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_40|, #memory_int=|v_#memory_int_13|, ULTIMATE.start_main_~#t1983~0.offset=|v_ULTIMATE.start_main_~#t1983~0.offset_10|, #length=|v_#length_15|, ULTIMATE.start_main_~#t1983~0.base=|v_ULTIMATE.start_main_~#t1983~0.base_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, ULTIMATE.start_main_~#t1983~0.offset, #length, ULTIMATE.start_main_~#t1983~0.base] {5397#(<= ~__unbuffered_cnt~0 0)} is VALID [2020-07-28 21:31:23,932 INFO L280 TraceCheckUtils]: 3: Hoare triple {5397#(<= ~__unbuffered_cnt~0 0)} [167] L770-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork1_thidvar0_2) (= 0 |v_P1Thread1of1ForFork1_#in~arg.base_3|) (= 0 |v_P1Thread1of1ForFork1_#in~arg.offset_3|)) InVars {} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_3, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_3|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_3, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_3|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_3|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_3|, P1Thread1of1ForFork1_thidvar0=v_P1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_#res.offset, P1Thread1of1ForFork1_~arg.base, P1Thread1of1ForFork1_#in~arg.base, P1Thread1of1ForFork1_#in~arg.offset, P1Thread1of1ForFork1_#res.base, P1Thread1of1ForFork1_thidvar0] {5397#(<= ~__unbuffered_cnt~0 0)} is VALID [2020-07-28 21:31:23,933 INFO L280 TraceCheckUtils]: 4: Hoare triple {5397#(<= ~__unbuffered_cnt~0 0)} [199] L770-1-->L772: Formula: (and (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t1984~0.base_10|) (= |v_#valid_33| (store |v_#valid_34| |v_ULTIMATE.start_main_~#t1984~0.base_10| 1)) (= |v_#length_13| (store |v_#length_14| |v_ULTIMATE.start_main_~#t1984~0.base_10| 4)) (= |v_#memory_int_11| (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t1984~0.base_10| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t1984~0.base_10|) |v_ULTIMATE.start_main_~#t1984~0.offset_9| 2))) (= 0 |v_ULTIMATE.start_main_~#t1984~0.offset_9|) (not (= 0 |v_ULTIMATE.start_main_~#t1984~0.base_10|)) (= 0 (select |v_#valid_34| |v_ULTIMATE.start_main_~#t1984~0.base_10|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_12|, #length=|v_#length_14|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_33|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_4|, #memory_int=|v_#memory_int_11|, ULTIMATE.start_main_~#t1984~0.offset=|v_ULTIMATE.start_main_~#t1984~0.offset_9|, ULTIMATE.start_main_~#t1984~0.base=|v_ULTIMATE.start_main_~#t1984~0.base_10|, #length=|v_#length_13|} AuxVars[] AssignedVars[#valid, ULTIMATE.start_main_#t~nondet3, #memory_int, ULTIMATE.start_main_~#t1984~0.offset, ULTIMATE.start_main_~#t1984~0.base, #length] {5397#(<= ~__unbuffered_cnt~0 0)} is VALID [2020-07-28 21:31:23,933 INFO L280 TraceCheckUtils]: 5: Hoare triple {5397#(<= ~__unbuffered_cnt~0 0)} [169] L772-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#in~arg.base_3|) (= 0 |v_P2Thread1of1ForFork2_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_3|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_3, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_3, P2Thread1of1ForFork2_thidvar0=v_P2Thread1of1ForFork2_thidvar0_2, P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_3|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_3|, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_3|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#in~arg.offset, P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, P2Thread1of1ForFork2_thidvar0, P2Thread1of1ForFork2_#res.base, P2Thread1of1ForFork2_#in~arg.base, P2Thread1of1ForFork2_#res.offset] {5397#(<= ~__unbuffered_cnt~0 0)} is VALID [2020-07-28 21:31:23,935 INFO L280 TraceCheckUtils]: 6: Hoare triple {5397#(<= ~__unbuffered_cnt~0 0)} [215] L772-1-->L3: Formula: (and (= (mod v_~main$tmp_guard0~0_27 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_11|) (let ((.cse0 (= v_~__unbuffered_cnt~0_105 3))) (or (and .cse0 (= 1 v_~main$tmp_guard0~0_27)) (and (= 0 v_~main$tmp_guard0~0_27) (not .cse0)))) (= v_ULTIMATE.start_assume_abort_if_not_~cond_17 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_11|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_105} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_11|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_17, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_20|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_105, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_27} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {5398#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} is VALID [2020-07-28 21:31:23,937 INFO L280 TraceCheckUtils]: 7: Hoare triple {5398#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} [174] P0ENTRY-->L715: Formula: (and (= 2 v_~z~0_5) (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= v_P0Thread1of1ForFork0_~arg.base_4 |v_P0Thread1of1ForFork0_#in~arg.base_4|)) InVars {P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~z~0=v_~z~0_5, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_4, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_4} AuxVars[] AssignedVars[~z~0, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {5398#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} is VALID [2020-07-28 21:31:23,942 INFO L280 TraceCheckUtils]: 8: Hoare triple {5398#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} [148] L715-->L718: Formula: (= v_~x~0_1 1) InVars {} OutVars{~x~0=v_~x~0_1} AuxVars[] AssignedVars[~x~0] {5398#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} is VALID [2020-07-28 21:31:23,943 INFO L280 TraceCheckUtils]: 9: Hoare triple {5398#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} [195] P1ENTRY-->L730: Formula: (and (= v_~__unbuffered_p1_EAX~0_15 v_~x~0_7) (= |v_P1Thread1of1ForFork1_#in~arg.offset_4| v_P1Thread1of1ForFork1_~arg.offset_4) (= v_P1Thread1of1ForFork1_~arg.base_4 |v_P1Thread1of1ForFork1_#in~arg.base_4|)) InVars {P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|, ~x~0=v_~x~0_7} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_4, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_15, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_4, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|, ~x~0=v_~x~0_7} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, ~__unbuffered_p1_EAX~0, P1Thread1of1ForFork1_~arg.base] {5398#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} is VALID [2020-07-28 21:31:23,944 INFO L280 TraceCheckUtils]: 10: Hoare triple {5398#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} [154] L730-->L733: Formula: (= v_~y~0_1 1) InVars {} OutVars{~y~0=v_~y~0_1} AuxVars[] AssignedVars[~y~0] {5398#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} is VALID [2020-07-28 21:31:23,948 INFO L280 TraceCheckUtils]: 11: Hoare triple {5398#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} [194] P2ENTRY-->L745: Formula: (and (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4) (= v_~y~0_10 v_~__unbuffered_p2_EAX~0_18)) InVars {P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_10} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_4, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_4, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_18, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_10} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {5398#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} is VALID [2020-07-28 21:31:23,949 INFO L280 TraceCheckUtils]: 12: Hoare triple {5398#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} [211] L3-->L782: Formula: (and (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_11)) (= (mod v_~main$tmp_guard1~0_18 256) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|) (let ((.cse1 (= 1 v_~__unbuffered_p2_EAX~0_26)) (.cse0 (= 2 v_~z~0_30)) (.cse2 (= 1 v_~__unbuffered_p1_EAX~0_20))) (or (and (or (not .cse0) (not .cse1) (not .cse2)) (= 1 v_~main$tmp_guard1~0_18)) (and .cse1 (= 0 v_~main$tmp_guard1~0_18) .cse0 .cse2)))) InVars {ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_11, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_20, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_26, ~z~0=v_~z~0_30} OutVars{ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_11, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_20, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_18, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_26, ~z~0=v_~z~0_30, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} AuxVars[] AssignedVars[~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {5396#false} is VALID [2020-07-28 21:31:23,950 INFO L280 TraceCheckUtils]: 13: Hoare triple {5396#false} [209] L782-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_11) (= v_ULTIMATE.start___VERIFIER_assert_~expression_11 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_11, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] {5396#false} is VALID [2020-07-28 21:31:23,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 21:31:23,955 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144141076] [2020-07-28 21:31:23,955 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:31:23,955 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 21:31:23,955 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133348662] [2020-07-28 21:31:23,956 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-07-28 21:31:23,956 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:31:23,957 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 21:31:23,978 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 14 edges. 14 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:31:23,978 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 21:31:23,978 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:31:23,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 21:31:23,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 21:31:23,979 INFO L87 Difference]: Start difference. First operand 98 states and 218 transitions. Second operand 4 states. [2020-07-28 21:31:24,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:31:24,094 INFO L93 Difference]: Finished difference Result 109 states and 223 transitions. [2020-07-28 21:31:24,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 21:31:24,095 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-07-28 21:31:24,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:31:24,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:31:24,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 48 transitions. [2020-07-28 21:31:24,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:31:24,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 48 transitions. [2020-07-28 21:31:24,097 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 48 transitions. [2020-07-28 21:31:24,180 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 48 edges. 48 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:31:24,181 INFO L225 Difference]: With dead ends: 109 [2020-07-28 21:31:24,181 INFO L226 Difference]: Without dead ends: 87 [2020-07-28 21:31:24,182 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-28 21:31:24,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-07-28 21:31:24,184 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,185 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,185 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,185 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,185 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,186 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,186 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,186 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,186 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,187 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,187 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,187 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,187 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,188 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,188 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,188 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,188 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,189 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,189 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,189 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,189 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,190 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,190 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,190 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,190 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,191 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,191 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,191 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,191 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,192 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,192 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,192 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,192 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,193 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,193 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,193 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,193 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,194 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,194 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,194 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,194 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,195 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,195 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,195 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,195 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,196 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,196 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,196 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,196 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,197 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,197 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,197 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,197 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,198 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,198 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,198 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,198 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,199 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,199 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,199 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,199 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,200 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,200 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,200 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,200 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,201 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,201 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,201 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,202 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,202 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,202 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,202 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,203 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,203 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,203 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,203 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,204 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,204 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,204 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,204 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,205 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,205 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,205 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,205 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,206 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,206 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,206 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2020-07-28 21:31:24,207 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:31:24,207 INFO L82 GeneralOperation]: Start isEquivalent. First operand 87 states. Second operand 87 states. [2020-07-28 21:31:24,207 INFO L74 IsIncluded]: Start isIncluded. First operand 87 states. Second operand 87 states. [2020-07-28 21:31:24,207 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 87 states. [2020-07-28 21:31:24,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:31:24,210 INFO L93 Difference]: Finished difference Result 87 states and 180 transitions. [2020-07-28 21:31:24,210 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 180 transitions. [2020-07-28 21:31:24,210 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:31:24,211 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:31:24,211 INFO L74 IsIncluded]: Start isIncluded. First operand 87 states. Second operand 87 states. [2020-07-28 21:31:24,211 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 87 states. [2020-07-28 21:31:24,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:31:24,213 INFO L93 Difference]: Finished difference Result 87 states and 180 transitions. [2020-07-28 21:31:24,214 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 180 transitions. [2020-07-28 21:31:24,214 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:31:24,214 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:31:24,214 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:31:24,214 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:31:24,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-07-28 21:31:24,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 180 transitions. [2020-07-28 21:31:24,217 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 180 transitions. Word has length 14 [2020-07-28 21:31:24,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:31:24,217 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 180 transitions. [2020-07-28 21:31:24,217 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 21:31:24,218 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 180 transitions. [2020-07-28 21:31:24,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-07-28 21:31:24,218 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:31:24,218 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:31:24,219 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 21:31:24,219 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:31:24,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:31:24,219 INFO L82 PathProgramCache]: Analyzing trace with hash -1643108637, now seen corresponding path program 1 times [2020-07-28 21:31:24,220 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:31:24,220 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025076440] [2020-07-28 21:31:24,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:31:24,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:31:24,273 INFO L280 TraceCheckUtils]: 0: Hoare triple {5860#true} [225] ULTIMATE.startENTRY-->L768: Formula: (let ((.cse0 (store |v_#valid_59| 0 0))) (and (= 0 |v_ULTIMATE.start_main_~#t1982~0.offset_19|) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1982~0.base_26|)) (= 0 v_~main$tmp_guard0~0_40) (= 0 v_~__unbuffered_p1_EAX~0_27) (= (store |v_#length_24| |v_ULTIMATE.start_main_~#t1982~0.base_26| 4) |v_#length_23|) (= 0 v_~x~0_17) (= 0 v_~__unbuffered_p2_EAX~0_33) (= 0 v_~main$tmp_guard1~0_25) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t1982~0.base_26|) (= (store |v_#memory_int_22| |v_ULTIMATE.start_main_~#t1982~0.base_26| (store (select |v_#memory_int_22| |v_ULTIMATE.start_main_~#t1982~0.base_26|) |v_ULTIMATE.start_main_~#t1982~0.offset_19| 0)) |v_#memory_int_21|) (= 0 v_~z~0_36) (= 0 |v_#NULL.offset_4|) (= 0 v_~y~0_23) (= |v_#valid_57| (store .cse0 |v_ULTIMATE.start_main_~#t1982~0.base_26| 1)) (= v_~__unbuffered_cnt~0_147 0) (< 0 |v_#StackHeapBarrier_15|) (= 0 |v_#NULL.base_4|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_59|, #memory_int=|v_#memory_int_22|, #length=|v_#length_24|} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_32|, ULTIMATE.start_main_~#t1982~0.offset=|v_ULTIMATE.start_main_~#t1982~0.offset_19|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_9|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_8|, ULTIMATE.start_main_~#t1984~0.offset=|v_ULTIMATE.start_main_~#t1984~0.offset_16|, #NULL.offset=|v_#NULL.offset_4|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_25, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_40, #NULL.base=|v_#NULL.base_4|, ULTIMATE.start_main_~#t1982~0.base=|v_ULTIMATE.start_main_~#t1982~0.base_26|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_27, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_16|, #valid=|v_#valid_57|, #memory_int=|v_#memory_int_21|, ULTIMATE.start_main_~#t1984~0.base=|v_ULTIMATE.start_main_~#t1984~0.base_20|, #length=|v_#length_23|, ULTIMATE.start_main_~#t1983~0.offset=|v_ULTIMATE.start_main_~#t1983~0.offset_16|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_33, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_147, ~z~0=v_~z~0_36, ~y~0=v_~y~0_23, ULTIMATE.start_main_~#t1983~0.base=|v_ULTIMATE.start_main_~#t1983~0.base_20|, ~x~0=v_~x~0_17} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t1982~0.offset, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~#t1984~0.offset, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t1982~0.base, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_#res, #valid, #memory_int, ULTIMATE.start_main_~#t1984~0.base, #length, ULTIMATE.start_main_~#t1983~0.offset, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ULTIMATE.start_main_~#t1983~0.base, ~x~0] {5862#(<= ~__unbuffered_cnt~0 0)} is VALID [2020-07-28 21:31:24,274 INFO L280 TraceCheckUtils]: 1: Hoare triple {5862#(<= ~__unbuffered_cnt~0 0)} [165] L768-->P0ENTRY: Formula: (and (= 0 v_P0Thread1of1ForFork0_thidvar0_2) (= 0 |v_P0Thread1of1ForFork0_#in~arg.base_3|) (= 0 |v_P0Thread1of1ForFork0_#in~arg.offset_3|)) InVars {} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_3|, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_3|, P0Thread1of1ForFork0_thidvar0=v_P0Thread1of1ForFork0_thidvar0_2, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_3|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_3|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_3, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_3} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#in~arg.offset, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_thidvar0, P0Thread1of1ForFork0_#in~arg.base, P0Thread1of1ForFork0_#res.base, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {5862#(<= ~__unbuffered_cnt~0 0)} is VALID [2020-07-28 21:31:24,275 INFO L280 TraceCheckUtils]: 2: Hoare triple {5862#(<= ~__unbuffered_cnt~0 0)} [205] L768-1-->L770: Formula: (and (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1983~0.base_12| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1983~0.base_12|) |v_ULTIMATE.start_main_~#t1983~0.offset_10| 1)) |v_#memory_int_13|) (= |v_#valid_40| (store |v_#valid_41| |v_ULTIMATE.start_main_~#t1983~0.base_12| 1)) (= 0 (select |v_#valid_41| |v_ULTIMATE.start_main_~#t1983~0.base_12|)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t1983~0.base_12|) (not (= 0 |v_ULTIMATE.start_main_~#t1983~0.base_12|)) (= 0 |v_ULTIMATE.start_main_~#t1983~0.offset_10|) (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t1983~0.base_12| 4) |v_#length_15|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_41|, #memory_int=|v_#memory_int_14|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_40|, #memory_int=|v_#memory_int_13|, ULTIMATE.start_main_~#t1983~0.offset=|v_ULTIMATE.start_main_~#t1983~0.offset_10|, #length=|v_#length_15|, ULTIMATE.start_main_~#t1983~0.base=|v_ULTIMATE.start_main_~#t1983~0.base_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, ULTIMATE.start_main_~#t1983~0.offset, #length, ULTIMATE.start_main_~#t1983~0.base] {5862#(<= ~__unbuffered_cnt~0 0)} is VALID [2020-07-28 21:31:24,275 INFO L280 TraceCheckUtils]: 3: Hoare triple {5862#(<= ~__unbuffered_cnt~0 0)} [167] L770-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork1_thidvar0_2) (= 0 |v_P1Thread1of1ForFork1_#in~arg.base_3|) (= 0 |v_P1Thread1of1ForFork1_#in~arg.offset_3|)) InVars {} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_3, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_3|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_3, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_3|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_3|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_3|, P1Thread1of1ForFork1_thidvar0=v_P1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_#res.offset, P1Thread1of1ForFork1_~arg.base, P1Thread1of1ForFork1_#in~arg.base, P1Thread1of1ForFork1_#in~arg.offset, P1Thread1of1ForFork1_#res.base, P1Thread1of1ForFork1_thidvar0] {5862#(<= ~__unbuffered_cnt~0 0)} is VALID [2020-07-28 21:31:24,276 INFO L280 TraceCheckUtils]: 4: Hoare triple {5862#(<= ~__unbuffered_cnt~0 0)} [199] L770-1-->L772: Formula: (and (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t1984~0.base_10|) (= |v_#valid_33| (store |v_#valid_34| |v_ULTIMATE.start_main_~#t1984~0.base_10| 1)) (= |v_#length_13| (store |v_#length_14| |v_ULTIMATE.start_main_~#t1984~0.base_10| 4)) (= |v_#memory_int_11| (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t1984~0.base_10| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t1984~0.base_10|) |v_ULTIMATE.start_main_~#t1984~0.offset_9| 2))) (= 0 |v_ULTIMATE.start_main_~#t1984~0.offset_9|) (not (= 0 |v_ULTIMATE.start_main_~#t1984~0.base_10|)) (= 0 (select |v_#valid_34| |v_ULTIMATE.start_main_~#t1984~0.base_10|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_12|, #length=|v_#length_14|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_33|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_4|, #memory_int=|v_#memory_int_11|, ULTIMATE.start_main_~#t1984~0.offset=|v_ULTIMATE.start_main_~#t1984~0.offset_9|, ULTIMATE.start_main_~#t1984~0.base=|v_ULTIMATE.start_main_~#t1984~0.base_10|, #length=|v_#length_13|} AuxVars[] AssignedVars[#valid, ULTIMATE.start_main_#t~nondet3, #memory_int, ULTIMATE.start_main_~#t1984~0.offset, ULTIMATE.start_main_~#t1984~0.base, #length] {5862#(<= ~__unbuffered_cnt~0 0)} is VALID [2020-07-28 21:31:24,277 INFO L280 TraceCheckUtils]: 5: Hoare triple {5862#(<= ~__unbuffered_cnt~0 0)} [169] L772-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#in~arg.base_3|) (= 0 |v_P2Thread1of1ForFork2_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_3|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_3, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_3, P2Thread1of1ForFork2_thidvar0=v_P2Thread1of1ForFork2_thidvar0_2, P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_3|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_3|, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_3|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#in~arg.offset, P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, P2Thread1of1ForFork2_thidvar0, P2Thread1of1ForFork2_#res.base, P2Thread1of1ForFork2_#in~arg.base, P2Thread1of1ForFork2_#res.offset] {5862#(<= ~__unbuffered_cnt~0 0)} is VALID [2020-07-28 21:31:24,277 INFO L280 TraceCheckUtils]: 6: Hoare triple {5862#(<= ~__unbuffered_cnt~0 0)} [174] P0ENTRY-->L715: Formula: (and (= 2 v_~z~0_5) (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= v_P0Thread1of1ForFork0_~arg.base_4 |v_P0Thread1of1ForFork0_#in~arg.base_4|)) InVars {P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~z~0=v_~z~0_5, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_4, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_4} AuxVars[] AssignedVars[~z~0, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {5862#(<= ~__unbuffered_cnt~0 0)} is VALID [2020-07-28 21:31:24,278 INFO L280 TraceCheckUtils]: 7: Hoare triple {5862#(<= ~__unbuffered_cnt~0 0)} [148] L715-->L718: Formula: (= v_~x~0_1 1) InVars {} OutVars{~x~0=v_~x~0_1} AuxVars[] AssignedVars[~x~0] {5862#(<= ~__unbuffered_cnt~0 0)} is VALID [2020-07-28 21:31:24,280 INFO L280 TraceCheckUtils]: 8: Hoare triple {5862#(<= ~__unbuffered_cnt~0 0)} [208] L718-->P0EXIT: Formula: (and (= 0 |v_P0Thread1of1ForFork0_#res.base_11|) (= (+ v_~__unbuffered_cnt~0_77 1) v_~__unbuffered_cnt~0_76) (= 0 |v_P0Thread1of1ForFork0_#res.offset_11|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_77} OutVars{P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_11|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_11|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_76} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_#res.base, ~__unbuffered_cnt~0] {5863#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:31:24,284 INFO L280 TraceCheckUtils]: 9: Hoare triple {5863#(<= ~__unbuffered_cnt~0 1)} [195] P1ENTRY-->L730: Formula: (and (= v_~__unbuffered_p1_EAX~0_15 v_~x~0_7) (= |v_P1Thread1of1ForFork1_#in~arg.offset_4| v_P1Thread1of1ForFork1_~arg.offset_4) (= v_P1Thread1of1ForFork1_~arg.base_4 |v_P1Thread1of1ForFork1_#in~arg.base_4|)) InVars {P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|, ~x~0=v_~x~0_7} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_4, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_15, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_4, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|, ~x~0=v_~x~0_7} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, ~__unbuffered_p1_EAX~0, P1Thread1of1ForFork1_~arg.base] {5863#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:31:24,286 INFO L280 TraceCheckUtils]: 10: Hoare triple {5863#(<= ~__unbuffered_cnt~0 1)} [215] L772-1-->L3: Formula: (and (= (mod v_~main$tmp_guard0~0_27 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_11|) (let ((.cse0 (= v_~__unbuffered_cnt~0_105 3))) (or (and .cse0 (= 1 v_~main$tmp_guard0~0_27)) (and (= 0 v_~main$tmp_guard0~0_27) (not .cse0)))) (= v_ULTIMATE.start_assume_abort_if_not_~cond_17 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_11|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_105} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_11|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_17, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_20|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_105, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_27} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {5864#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} is VALID [2020-07-28 21:31:24,287 INFO L280 TraceCheckUtils]: 11: Hoare triple {5864#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} [154] L730-->L733: Formula: (= v_~y~0_1 1) InVars {} OutVars{~y~0=v_~y~0_1} AuxVars[] AssignedVars[~y~0] {5864#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} is VALID [2020-07-28 21:31:24,287 INFO L280 TraceCheckUtils]: 12: Hoare triple {5864#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} [194] P2ENTRY-->L745: Formula: (and (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4) (= v_~y~0_10 v_~__unbuffered_p2_EAX~0_18)) InVars {P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_10} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_4, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_4, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_18, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_10} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {5864#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} is VALID [2020-07-28 21:31:24,288 INFO L280 TraceCheckUtils]: 13: Hoare triple {5864#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} [211] L3-->L782: Formula: (and (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_11)) (= (mod v_~main$tmp_guard1~0_18 256) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|) (let ((.cse1 (= 1 v_~__unbuffered_p2_EAX~0_26)) (.cse0 (= 2 v_~z~0_30)) (.cse2 (= 1 v_~__unbuffered_p1_EAX~0_20))) (or (and (or (not .cse0) (not .cse1) (not .cse2)) (= 1 v_~main$tmp_guard1~0_18)) (and .cse1 (= 0 v_~main$tmp_guard1~0_18) .cse0 .cse2)))) InVars {ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_11, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_20, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_26, ~z~0=v_~z~0_30} OutVars{ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_11, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_20, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_18, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_26, ~z~0=v_~z~0_30, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} AuxVars[] AssignedVars[~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {5861#false} is VALID [2020-07-28 21:31:24,288 INFO L280 TraceCheckUtils]: 14: Hoare triple {5861#false} [209] L782-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_11) (= v_ULTIMATE.start___VERIFIER_assert_~expression_11 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_11, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] {5861#false} is VALID [2020-07-28 21:31:24,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 21:31:24,289 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025076440] [2020-07-28 21:31:24,290 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:31:24,290 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 21:31:24,290 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618164515] [2020-07-28 21:31:24,290 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-07-28 21:31:24,290 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:31:24,291 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 21:31:24,309 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 15 edges. 15 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:31:24,309 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 21:31:24,309 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:31:24,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 21:31:24,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-28 21:31:24,310 INFO L87 Difference]: Start difference. First operand 87 states and 180 transitions. Second operand 5 states. [2020-07-28 21:31:24,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:31:24,434 INFO L93 Difference]: Finished difference Result 83 states and 155 transitions. [2020-07-28 21:31:24,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 21:31:24,435 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-07-28 21:31:24,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:31:24,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:31:24,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 51 transitions. [2020-07-28 21:31:24,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 21:31:24,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 51 transitions. [2020-07-28 21:31:24,437 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 51 transitions. [2020-07-28 21:31:24,509 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:31:24,510 INFO L225 Difference]: With dead ends: 83 [2020-07-28 21:31:24,510 INFO L226 Difference]: Without dead ends: 68 [2020-07-28 21:31:24,511 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-28 21:31:24,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-07-28 21:31:24,512 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,513 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,513 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,513 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,513 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,513 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,514 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,514 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,514 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,514 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,514 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,515 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,515 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,515 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,515 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,515 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,516 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,516 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,516 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,516 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,516 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,517 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,517 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,517 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,517 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,517 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,517 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,518 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,518 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,518 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,518 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,518 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,519 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,519 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,519 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,519 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,519 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,520 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,520 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,520 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,520 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,521 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,521 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,521 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,522 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,522 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,522 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,522 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,523 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,523 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,523 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,524 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,524 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,524 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,525 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,525 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,525 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,526 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,526 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,526 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,526 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,527 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,527 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,527 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,528 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,528 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,528 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,529 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2020-07-28 21:31:24,529 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:31:24,529 INFO L82 GeneralOperation]: Start isEquivalent. First operand 68 states. Second operand 68 states. [2020-07-28 21:31:24,530 INFO L74 IsIncluded]: Start isIncluded. First operand 68 states. Second operand 68 states. [2020-07-28 21:31:24,530 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 68 states. [2020-07-28 21:31:24,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:31:24,532 INFO L93 Difference]: Finished difference Result 68 states and 125 transitions. [2020-07-28 21:31:24,533 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 125 transitions. [2020-07-28 21:31:24,533 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:31:24,533 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:31:24,534 INFO L74 IsIncluded]: Start isIncluded. First operand 68 states. Second operand 68 states. [2020-07-28 21:31:24,534 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 68 states. [2020-07-28 21:31:24,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:31:24,536 INFO L93 Difference]: Finished difference Result 68 states and 125 transitions. [2020-07-28 21:31:24,537 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 125 transitions. [2020-07-28 21:31:24,537 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:31:24,537 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:31:24,537 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:31:24,537 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:31:24,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-07-28 21:31:24,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 125 transitions. [2020-07-28 21:31:24,539 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 125 transitions. Word has length 15 [2020-07-28 21:31:24,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:31:24,539 INFO L479 AbstractCegarLoop]: Abstraction has 68 states and 125 transitions. [2020-07-28 21:31:24,540 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 21:31:24,540 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 125 transitions. [2020-07-28 21:31:24,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-28 21:31:24,540 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:31:24,540 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:31:24,541 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 21:31:24,541 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:31:24,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:31:24,541 INFO L82 PathProgramCache]: Analyzing trace with hash -1105925332, now seen corresponding path program 1 times [2020-07-28 21:31:24,541 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:31:24,542 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824462325] [2020-07-28 21:31:24,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:31:24,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:31:24,631 INFO L280 TraceCheckUtils]: 0: Hoare triple {6224#true} [225] ULTIMATE.startENTRY-->L768: Formula: (let ((.cse0 (store |v_#valid_59| 0 0))) (and (= 0 |v_ULTIMATE.start_main_~#t1982~0.offset_19|) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1982~0.base_26|)) (= 0 v_~main$tmp_guard0~0_40) (= 0 v_~__unbuffered_p1_EAX~0_27) (= (store |v_#length_24| |v_ULTIMATE.start_main_~#t1982~0.base_26| 4) |v_#length_23|) (= 0 v_~x~0_17) (= 0 v_~__unbuffered_p2_EAX~0_33) (= 0 v_~main$tmp_guard1~0_25) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t1982~0.base_26|) (= (store |v_#memory_int_22| |v_ULTIMATE.start_main_~#t1982~0.base_26| (store (select |v_#memory_int_22| |v_ULTIMATE.start_main_~#t1982~0.base_26|) |v_ULTIMATE.start_main_~#t1982~0.offset_19| 0)) |v_#memory_int_21|) (= 0 v_~z~0_36) (= 0 |v_#NULL.offset_4|) (= 0 v_~y~0_23) (= |v_#valid_57| (store .cse0 |v_ULTIMATE.start_main_~#t1982~0.base_26| 1)) (= v_~__unbuffered_cnt~0_147 0) (< 0 |v_#StackHeapBarrier_15|) (= 0 |v_#NULL.base_4|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_59|, #memory_int=|v_#memory_int_22|, #length=|v_#length_24|} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_32|, ULTIMATE.start_main_~#t1982~0.offset=|v_ULTIMATE.start_main_~#t1982~0.offset_19|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_9|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_8|, ULTIMATE.start_main_~#t1984~0.offset=|v_ULTIMATE.start_main_~#t1984~0.offset_16|, #NULL.offset=|v_#NULL.offset_4|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_25, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_40, #NULL.base=|v_#NULL.base_4|, ULTIMATE.start_main_~#t1982~0.base=|v_ULTIMATE.start_main_~#t1982~0.base_26|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_27, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_16|, #valid=|v_#valid_57|, #memory_int=|v_#memory_int_21|, ULTIMATE.start_main_~#t1984~0.base=|v_ULTIMATE.start_main_~#t1984~0.base_20|, #length=|v_#length_23|, ULTIMATE.start_main_~#t1983~0.offset=|v_ULTIMATE.start_main_~#t1983~0.offset_16|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_33, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_147, ~z~0=v_~z~0_36, ~y~0=v_~y~0_23, ULTIMATE.start_main_~#t1983~0.base=|v_ULTIMATE.start_main_~#t1983~0.base_20|, ~x~0=v_~x~0_17} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t1982~0.offset, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~#t1984~0.offset, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t1982~0.base, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_#res, #valid, #memory_int, ULTIMATE.start_main_~#t1984~0.base, #length, ULTIMATE.start_main_~#t1983~0.offset, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ULTIMATE.start_main_~#t1983~0.base, ~x~0] {6226#(<= ~__unbuffered_cnt~0 0)} is VALID [2020-07-28 21:31:24,632 INFO L280 TraceCheckUtils]: 1: Hoare triple {6226#(<= ~__unbuffered_cnt~0 0)} [165] L768-->P0ENTRY: Formula: (and (= 0 v_P0Thread1of1ForFork0_thidvar0_2) (= 0 |v_P0Thread1of1ForFork0_#in~arg.base_3|) (= 0 |v_P0Thread1of1ForFork0_#in~arg.offset_3|)) InVars {} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_3|, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_3|, P0Thread1of1ForFork0_thidvar0=v_P0Thread1of1ForFork0_thidvar0_2, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_3|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_3|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_3, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_3} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#in~arg.offset, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_thidvar0, P0Thread1of1ForFork0_#in~arg.base, P0Thread1of1ForFork0_#res.base, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {6226#(<= ~__unbuffered_cnt~0 0)} is VALID [2020-07-28 21:31:24,633 INFO L280 TraceCheckUtils]: 2: Hoare triple {6226#(<= ~__unbuffered_cnt~0 0)} [205] L768-1-->L770: Formula: (and (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1983~0.base_12| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1983~0.base_12|) |v_ULTIMATE.start_main_~#t1983~0.offset_10| 1)) |v_#memory_int_13|) (= |v_#valid_40| (store |v_#valid_41| |v_ULTIMATE.start_main_~#t1983~0.base_12| 1)) (= 0 (select |v_#valid_41| |v_ULTIMATE.start_main_~#t1983~0.base_12|)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t1983~0.base_12|) (not (= 0 |v_ULTIMATE.start_main_~#t1983~0.base_12|)) (= 0 |v_ULTIMATE.start_main_~#t1983~0.offset_10|) (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t1983~0.base_12| 4) |v_#length_15|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_41|, #memory_int=|v_#memory_int_14|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_40|, #memory_int=|v_#memory_int_13|, ULTIMATE.start_main_~#t1983~0.offset=|v_ULTIMATE.start_main_~#t1983~0.offset_10|, #length=|v_#length_15|, ULTIMATE.start_main_~#t1983~0.base=|v_ULTIMATE.start_main_~#t1983~0.base_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, ULTIMATE.start_main_~#t1983~0.offset, #length, ULTIMATE.start_main_~#t1983~0.base] {6226#(<= ~__unbuffered_cnt~0 0)} is VALID [2020-07-28 21:31:24,634 INFO L280 TraceCheckUtils]: 3: Hoare triple {6226#(<= ~__unbuffered_cnt~0 0)} [167] L770-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork1_thidvar0_2) (= 0 |v_P1Thread1of1ForFork1_#in~arg.base_3|) (= 0 |v_P1Thread1of1ForFork1_#in~arg.offset_3|)) InVars {} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_3, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_3|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_3, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_3|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_3|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_3|, P1Thread1of1ForFork1_thidvar0=v_P1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_#res.offset, P1Thread1of1ForFork1_~arg.base, P1Thread1of1ForFork1_#in~arg.base, P1Thread1of1ForFork1_#in~arg.offset, P1Thread1of1ForFork1_#res.base, P1Thread1of1ForFork1_thidvar0] {6226#(<= ~__unbuffered_cnt~0 0)} is VALID [2020-07-28 21:31:24,635 INFO L280 TraceCheckUtils]: 4: Hoare triple {6226#(<= ~__unbuffered_cnt~0 0)} [199] L770-1-->L772: Formula: (and (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t1984~0.base_10|) (= |v_#valid_33| (store |v_#valid_34| |v_ULTIMATE.start_main_~#t1984~0.base_10| 1)) (= |v_#length_13| (store |v_#length_14| |v_ULTIMATE.start_main_~#t1984~0.base_10| 4)) (= |v_#memory_int_11| (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t1984~0.base_10| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t1984~0.base_10|) |v_ULTIMATE.start_main_~#t1984~0.offset_9| 2))) (= 0 |v_ULTIMATE.start_main_~#t1984~0.offset_9|) (not (= 0 |v_ULTIMATE.start_main_~#t1984~0.base_10|)) (= 0 (select |v_#valid_34| |v_ULTIMATE.start_main_~#t1984~0.base_10|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_12|, #length=|v_#length_14|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_33|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_4|, #memory_int=|v_#memory_int_11|, ULTIMATE.start_main_~#t1984~0.offset=|v_ULTIMATE.start_main_~#t1984~0.offset_9|, ULTIMATE.start_main_~#t1984~0.base=|v_ULTIMATE.start_main_~#t1984~0.base_10|, #length=|v_#length_13|} AuxVars[] AssignedVars[#valid, ULTIMATE.start_main_#t~nondet3, #memory_int, ULTIMATE.start_main_~#t1984~0.offset, ULTIMATE.start_main_~#t1984~0.base, #length] {6226#(<= ~__unbuffered_cnt~0 0)} is VALID [2020-07-28 21:31:24,635 INFO L280 TraceCheckUtils]: 5: Hoare triple {6226#(<= ~__unbuffered_cnt~0 0)} [169] L772-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#in~arg.base_3|) (= 0 |v_P2Thread1of1ForFork2_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_3|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_3, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_3, P2Thread1of1ForFork2_thidvar0=v_P2Thread1of1ForFork2_thidvar0_2, P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_3|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_3|, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_3|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#in~arg.offset, P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, P2Thread1of1ForFork2_thidvar0, P2Thread1of1ForFork2_#res.base, P2Thread1of1ForFork2_#in~arg.base, P2Thread1of1ForFork2_#res.offset] {6226#(<= ~__unbuffered_cnt~0 0)} is VALID [2020-07-28 21:31:24,636 INFO L280 TraceCheckUtils]: 6: Hoare triple {6226#(<= ~__unbuffered_cnt~0 0)} [174] P0ENTRY-->L715: Formula: (and (= 2 v_~z~0_5) (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= v_P0Thread1of1ForFork0_~arg.base_4 |v_P0Thread1of1ForFork0_#in~arg.base_4|)) InVars {P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~z~0=v_~z~0_5, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_4, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_4} AuxVars[] AssignedVars[~z~0, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {6226#(<= ~__unbuffered_cnt~0 0)} is VALID [2020-07-28 21:31:24,637 INFO L280 TraceCheckUtils]: 7: Hoare triple {6226#(<= ~__unbuffered_cnt~0 0)} [148] L715-->L718: Formula: (= v_~x~0_1 1) InVars {} OutVars{~x~0=v_~x~0_1} AuxVars[] AssignedVars[~x~0] {6226#(<= ~__unbuffered_cnt~0 0)} is VALID [2020-07-28 21:31:24,638 INFO L280 TraceCheckUtils]: 8: Hoare triple {6226#(<= ~__unbuffered_cnt~0 0)} [208] L718-->P0EXIT: Formula: (and (= 0 |v_P0Thread1of1ForFork0_#res.base_11|) (= (+ v_~__unbuffered_cnt~0_77 1) v_~__unbuffered_cnt~0_76) (= 0 |v_P0Thread1of1ForFork0_#res.offset_11|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_77} OutVars{P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_11|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_11|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_76} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_#res.base, ~__unbuffered_cnt~0] {6227#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:31:24,639 INFO L280 TraceCheckUtils]: 9: Hoare triple {6227#(<= ~__unbuffered_cnt~0 1)} [195] P1ENTRY-->L730: Formula: (and (= v_~__unbuffered_p1_EAX~0_15 v_~x~0_7) (= |v_P1Thread1of1ForFork1_#in~arg.offset_4| v_P1Thread1of1ForFork1_~arg.offset_4) (= v_P1Thread1of1ForFork1_~arg.base_4 |v_P1Thread1of1ForFork1_#in~arg.base_4|)) InVars {P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|, ~x~0=v_~x~0_7} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_4, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_15, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_4, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|, ~x~0=v_~x~0_7} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, ~__unbuffered_p1_EAX~0, P1Thread1of1ForFork1_~arg.base] {6227#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:31:24,639 INFO L280 TraceCheckUtils]: 10: Hoare triple {6227#(<= ~__unbuffered_cnt~0 1)} [154] L730-->L733: Formula: (= v_~y~0_1 1) InVars {} OutVars{~y~0=v_~y~0_1} AuxVars[] AssignedVars[~y~0] {6227#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:31:24,640 INFO L280 TraceCheckUtils]: 11: Hoare triple {6227#(<= ~__unbuffered_cnt~0 1)} [194] P2ENTRY-->L745: Formula: (and (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4) (= v_~y~0_10 v_~__unbuffered_p2_EAX~0_18)) InVars {P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_10} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_4, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_4, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_18, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_10} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {6227#(<= ~__unbuffered_cnt~0 1)} is VALID [2020-07-28 21:31:24,642 INFO L280 TraceCheckUtils]: 12: Hoare triple {6227#(<= ~__unbuffered_cnt~0 1)} [203] L733-->P1EXIT: Formula: (and (= v_~__unbuffered_cnt~0_58 (+ v_~__unbuffered_cnt~0_59 1)) (= 0 |v_P1Thread1of1ForFork1_#res.base_5|) (= 0 |v_P1Thread1of1ForFork1_#res.offset_5|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_59} OutVars{P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_58, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_5|} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#res.offset, ~__unbuffered_cnt~0, P1Thread1of1ForFork1_#res.base] {6228#(<= ~__unbuffered_cnt~0 2)} is VALID [2020-07-28 21:31:24,644 INFO L280 TraceCheckUtils]: 13: Hoare triple {6228#(<= ~__unbuffered_cnt~0 2)} [215] L772-1-->L3: Formula: (and (= (mod v_~main$tmp_guard0~0_27 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_11|) (let ((.cse0 (= v_~__unbuffered_cnt~0_105 3))) (or (and .cse0 (= 1 v_~main$tmp_guard0~0_27)) (and (= 0 v_~main$tmp_guard0~0_27) (not .cse0)))) (= v_ULTIMATE.start_assume_abort_if_not_~cond_17 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_11|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_105} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_11|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_17, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_20|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_105, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_27} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {6229#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} is VALID [2020-07-28 21:31:24,645 INFO L280 TraceCheckUtils]: 14: Hoare triple {6229#(= 0 ULTIMATE.start_assume_abort_if_not_~cond)} [211] L3-->L782: Formula: (and (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_11)) (= (mod v_~main$tmp_guard1~0_18 256) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|) (let ((.cse1 (= 1 v_~__unbuffered_p2_EAX~0_26)) (.cse0 (= 2 v_~z~0_30)) (.cse2 (= 1 v_~__unbuffered_p1_EAX~0_20))) (or (and (or (not .cse0) (not .cse1) (not .cse2)) (= 1 v_~main$tmp_guard1~0_18)) (and .cse1 (= 0 v_~main$tmp_guard1~0_18) .cse0 .cse2)))) InVars {ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_11, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_20, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_26, ~z~0=v_~z~0_30} OutVars{ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_11, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_20, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_18, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_26, ~z~0=v_~z~0_30, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} AuxVars[] AssignedVars[~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {6225#false} is VALID [2020-07-28 21:31:24,646 INFO L280 TraceCheckUtils]: 15: Hoare triple {6225#false} [209] L782-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_11) (= v_ULTIMATE.start___VERIFIER_assert_~expression_11 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_11, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] {6225#false} is VALID [2020-07-28 21:31:24,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 21:31:24,647 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824462325] [2020-07-28 21:31:24,648 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:31:24,648 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 21:31:24,648 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595321861] [2020-07-28 21:31:24,649 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-07-28 21:31:24,649 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:31:24,649 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 21:31:24,675 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:31:24,675 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 21:31:24,676 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:31:24,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 21:31:24,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-28 21:31:24,676 INFO L87 Difference]: Start difference. First operand 68 states and 125 transitions. Second operand 6 states. [2020-07-28 21:31:24,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:31:24,836 INFO L93 Difference]: Finished difference Result 61 states and 109 transitions. [2020-07-28 21:31:24,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-28 21:31:24,836 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-07-28 21:31:24,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:31:24,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 21:31:24,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 44 transitions. [2020-07-28 21:31:24,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 21:31:24,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 44 transitions. [2020-07-28 21:31:24,838 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 44 transitions. [2020-07-28 21:31:24,892 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 44 edges. 44 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:31:24,893 INFO L225 Difference]: With dead ends: 61 [2020-07-28 21:31:24,893 INFO L226 Difference]: Without dead ends: 55 [2020-07-28 21:31:24,893 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-28 21:31:24,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-07-28 21:31:24,894 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,894 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,895 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,895 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,895 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,895 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,895 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,896 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,896 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,896 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,896 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,896 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,897 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,897 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,897 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,897 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,897 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,898 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,898 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,898 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,898 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,898 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,898 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,899 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,899 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,899 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,899 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,899 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,900 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,900 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,900 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,900 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,900 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,900 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,901 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,901 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,901 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,901 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,901 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,902 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,902 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,902 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,902 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,902 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,902 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,903 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,903 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,903 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,903 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,903 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,904 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,904 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,904 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,904 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,904 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 21:31:24,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-07-28 21:31:24,905 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:31:24,905 INFO L82 GeneralOperation]: Start isEquivalent. First operand 55 states. Second operand 55 states. [2020-07-28 21:31:24,905 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand 55 states. [2020-07-28 21:31:24,905 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 55 states. [2020-07-28 21:31:24,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:31:24,906 INFO L93 Difference]: Finished difference Result 55 states and 99 transitions. [2020-07-28 21:31:24,907 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 99 transitions. [2020-07-28 21:31:24,907 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:31:24,907 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:31:24,907 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand 55 states. [2020-07-28 21:31:24,907 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 55 states. [2020-07-28 21:31:24,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:31:24,909 INFO L93 Difference]: Finished difference Result 55 states and 99 transitions. [2020-07-28 21:31:24,909 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 99 transitions. [2020-07-28 21:31:24,909 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:31:24,909 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:31:24,909 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:31:24,909 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:31:24,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-07-28 21:31:24,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 99 transitions. [2020-07-28 21:31:24,911 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 99 transitions. Word has length 16 [2020-07-28 21:31:24,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:31:24,911 INFO L479 AbstractCegarLoop]: Abstraction has 55 states and 99 transitions. [2020-07-28 21:31:24,911 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 21:31:24,911 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 99 transitions. [2020-07-28 21:31:24,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-28 21:31:24,912 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 21:31:24,912 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 21:31:24,912 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-28 21:31:24,912 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 21:31:24,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 21:31:24,912 INFO L82 PathProgramCache]: Analyzing trace with hash 1123595488, now seen corresponding path program 1 times [2020-07-28 21:31:24,913 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 21:31:24,913 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964067044] [2020-07-28 21:31:24,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 21:31:24,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 21:31:24,959 INFO L280 TraceCheckUtils]: 0: Hoare triple {6515#true} [225] ULTIMATE.startENTRY-->L768: Formula: (let ((.cse0 (store |v_#valid_59| 0 0))) (and (= 0 |v_ULTIMATE.start_main_~#t1982~0.offset_19|) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1982~0.base_26|)) (= 0 v_~main$tmp_guard0~0_40) (= 0 v_~__unbuffered_p1_EAX~0_27) (= (store |v_#length_24| |v_ULTIMATE.start_main_~#t1982~0.base_26| 4) |v_#length_23|) (= 0 v_~x~0_17) (= 0 v_~__unbuffered_p2_EAX~0_33) (= 0 v_~main$tmp_guard1~0_25) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t1982~0.base_26|) (= (store |v_#memory_int_22| |v_ULTIMATE.start_main_~#t1982~0.base_26| (store (select |v_#memory_int_22| |v_ULTIMATE.start_main_~#t1982~0.base_26|) |v_ULTIMATE.start_main_~#t1982~0.offset_19| 0)) |v_#memory_int_21|) (= 0 v_~z~0_36) (= 0 |v_#NULL.offset_4|) (= 0 v_~y~0_23) (= |v_#valid_57| (store .cse0 |v_ULTIMATE.start_main_~#t1982~0.base_26| 1)) (= v_~__unbuffered_cnt~0_147 0) (< 0 |v_#StackHeapBarrier_15|) (= 0 |v_#NULL.base_4|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_59|, #memory_int=|v_#memory_int_22|, #length=|v_#length_24|} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_32|, ULTIMATE.start_main_~#t1982~0.offset=|v_ULTIMATE.start_main_~#t1982~0.offset_19|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_9|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_8|, ULTIMATE.start_main_~#t1984~0.offset=|v_ULTIMATE.start_main_~#t1984~0.offset_16|, #NULL.offset=|v_#NULL.offset_4|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_25, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_40, #NULL.base=|v_#NULL.base_4|, ULTIMATE.start_main_~#t1982~0.base=|v_ULTIMATE.start_main_~#t1982~0.base_26|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_27, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_16|, #valid=|v_#valid_57|, #memory_int=|v_#memory_int_21|, ULTIMATE.start_main_~#t1984~0.base=|v_ULTIMATE.start_main_~#t1984~0.base_20|, #length=|v_#length_23|, ULTIMATE.start_main_~#t1983~0.offset=|v_ULTIMATE.start_main_~#t1983~0.offset_16|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_33, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_147, ~z~0=v_~z~0_36, ~y~0=v_~y~0_23, ULTIMATE.start_main_~#t1983~0.base=|v_ULTIMATE.start_main_~#t1983~0.base_20|, ~x~0=v_~x~0_17} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~#t1982~0.offset, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~#t1984~0.offset, #NULL.offset, ~main$tmp_guard1~0, ~main$tmp_guard0~0, #NULL.base, ULTIMATE.start_main_~#t1982~0.base, ~__unbuffered_p1_EAX~0, ULTIMATE.start_main_#res, #valid, #memory_int, ULTIMATE.start_main_~#t1984~0.base, #length, ULTIMATE.start_main_~#t1983~0.offset, ~__unbuffered_p2_EAX~0, ~__unbuffered_cnt~0, ~z~0, ~y~0, ULTIMATE.start_main_~#t1983~0.base, ~x~0] {6515#true} is VALID [2020-07-28 21:31:24,960 INFO L280 TraceCheckUtils]: 1: Hoare triple {6515#true} [165] L768-->P0ENTRY: Formula: (and (= 0 v_P0Thread1of1ForFork0_thidvar0_2) (= 0 |v_P0Thread1of1ForFork0_#in~arg.base_3|) (= 0 |v_P0Thread1of1ForFork0_#in~arg.offset_3|)) InVars {} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_3|, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_3|, P0Thread1of1ForFork0_thidvar0=v_P0Thread1of1ForFork0_thidvar0_2, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_3|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_3|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_3, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_3} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#in~arg.offset, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_thidvar0, P0Thread1of1ForFork0_#in~arg.base, P0Thread1of1ForFork0_#res.base, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {6515#true} is VALID [2020-07-28 21:31:24,960 INFO L280 TraceCheckUtils]: 2: Hoare triple {6515#true} [205] L768-1-->L770: Formula: (and (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1983~0.base_12| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1983~0.base_12|) |v_ULTIMATE.start_main_~#t1983~0.offset_10| 1)) |v_#memory_int_13|) (= |v_#valid_40| (store |v_#valid_41| |v_ULTIMATE.start_main_~#t1983~0.base_12| 1)) (= 0 (select |v_#valid_41| |v_ULTIMATE.start_main_~#t1983~0.base_12|)) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t1983~0.base_12|) (not (= 0 |v_ULTIMATE.start_main_~#t1983~0.base_12|)) (= 0 |v_ULTIMATE.start_main_~#t1983~0.offset_10|) (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t1983~0.base_12| 4) |v_#length_15|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_41|, #memory_int=|v_#memory_int_14|, #length=|v_#length_16|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|, #valid=|v_#valid_40|, #memory_int=|v_#memory_int_13|, ULTIMATE.start_main_~#t1983~0.offset=|v_ULTIMATE.start_main_~#t1983~0.offset_10|, #length=|v_#length_15|, ULTIMATE.start_main_~#t1983~0.base=|v_ULTIMATE.start_main_~#t1983~0.base_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, #valid, #memory_int, ULTIMATE.start_main_~#t1983~0.offset, #length, ULTIMATE.start_main_~#t1983~0.base] {6515#true} is VALID [2020-07-28 21:31:24,960 INFO L280 TraceCheckUtils]: 3: Hoare triple {6515#true} [167] L770-->P1ENTRY: Formula: (and (= 1 v_P1Thread1of1ForFork1_thidvar0_2) (= 0 |v_P1Thread1of1ForFork1_#in~arg.base_3|) (= 0 |v_P1Thread1of1ForFork1_#in~arg.offset_3|)) InVars {} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_3, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_3|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_3, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_3|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_3|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_3|, P1Thread1of1ForFork1_thidvar0=v_P1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1_#res.offset, P1Thread1of1ForFork1_~arg.base, P1Thread1of1ForFork1_#in~arg.base, P1Thread1of1ForFork1_#in~arg.offset, P1Thread1of1ForFork1_#res.base, P1Thread1of1ForFork1_thidvar0] {6515#true} is VALID [2020-07-28 21:31:24,961 INFO L280 TraceCheckUtils]: 4: Hoare triple {6515#true} [199] L770-1-->L772: Formula: (and (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#t1984~0.base_10|) (= |v_#valid_33| (store |v_#valid_34| |v_ULTIMATE.start_main_~#t1984~0.base_10| 1)) (= |v_#length_13| (store |v_#length_14| |v_ULTIMATE.start_main_~#t1984~0.base_10| 4)) (= |v_#memory_int_11| (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t1984~0.base_10| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t1984~0.base_10|) |v_ULTIMATE.start_main_~#t1984~0.offset_9| 2))) (= 0 |v_ULTIMATE.start_main_~#t1984~0.offset_9|) (not (= 0 |v_ULTIMATE.start_main_~#t1984~0.base_10|)) (= 0 (select |v_#valid_34| |v_ULTIMATE.start_main_~#t1984~0.base_10|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_34|, #memory_int=|v_#memory_int_12|, #length=|v_#length_14|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_33|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_4|, #memory_int=|v_#memory_int_11|, ULTIMATE.start_main_~#t1984~0.offset=|v_ULTIMATE.start_main_~#t1984~0.offset_9|, ULTIMATE.start_main_~#t1984~0.base=|v_ULTIMATE.start_main_~#t1984~0.base_10|, #length=|v_#length_13|} AuxVars[] AssignedVars[#valid, ULTIMATE.start_main_#t~nondet3, #memory_int, ULTIMATE.start_main_~#t1984~0.offset, ULTIMATE.start_main_~#t1984~0.base, #length] {6515#true} is VALID [2020-07-28 21:31:24,961 INFO L280 TraceCheckUtils]: 5: Hoare triple {6515#true} [169] L772-->P2ENTRY: Formula: (and (= 0 |v_P2Thread1of1ForFork2_#in~arg.base_3|) (= 0 |v_P2Thread1of1ForFork2_#in~arg.offset_3|) (= 2 v_P2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_3|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_3, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_3, P2Thread1of1ForFork2_thidvar0=v_P2Thread1of1ForFork2_thidvar0_2, P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_3|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_3|, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_3|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#in~arg.offset, P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, P2Thread1of1ForFork2_thidvar0, P2Thread1of1ForFork2_#res.base, P2Thread1of1ForFork2_#in~arg.base, P2Thread1of1ForFork2_#res.offset] {6515#true} is VALID [2020-07-28 21:31:24,961 INFO L280 TraceCheckUtils]: 6: Hoare triple {6515#true} [174] P0ENTRY-->L715: Formula: (and (= 2 v_~z~0_5) (= v_P0Thread1of1ForFork0_~arg.offset_4 |v_P0Thread1of1ForFork0_#in~arg.offset_4|) (= v_P0Thread1of1ForFork0_~arg.base_4 |v_P0Thread1of1ForFork0_#in~arg.base_4|)) InVars {P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_4|, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_4|, ~z~0=v_~z~0_5, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_4, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_4} AuxVars[] AssignedVars[~z~0, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0_~arg.offset] {6515#true} is VALID [2020-07-28 21:31:24,962 INFO L280 TraceCheckUtils]: 7: Hoare triple {6515#true} [148] L715-->L718: Formula: (= v_~x~0_1 1) InVars {} OutVars{~x~0=v_~x~0_1} AuxVars[] AssignedVars[~x~0] {6515#true} is VALID [2020-07-28 21:31:24,962 INFO L280 TraceCheckUtils]: 8: Hoare triple {6515#true} [208] L718-->P0EXIT: Formula: (and (= 0 |v_P0Thread1of1ForFork0_#res.base_11|) (= (+ v_~__unbuffered_cnt~0_77 1) v_~__unbuffered_cnt~0_76) (= 0 |v_P0Thread1of1ForFork0_#res.offset_11|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_77} OutVars{P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_11|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_11|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_76} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_#res.base, ~__unbuffered_cnt~0] {6515#true} is VALID [2020-07-28 21:31:24,962 INFO L280 TraceCheckUtils]: 9: Hoare triple {6515#true} [195] P1ENTRY-->L730: Formula: (and (= v_~__unbuffered_p1_EAX~0_15 v_~x~0_7) (= |v_P1Thread1of1ForFork1_#in~arg.offset_4| v_P1Thread1of1ForFork1_~arg.offset_4) (= v_P1Thread1of1ForFork1_~arg.base_4 |v_P1Thread1of1ForFork1_#in~arg.base_4|)) InVars {P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|, ~x~0=v_~x~0_7} OutVars{P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_4, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_15, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_4, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_4|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_4|, ~x~0=v_~x~0_7} AuxVars[] AssignedVars[P1Thread1of1ForFork1_~arg.offset, ~__unbuffered_p1_EAX~0, P1Thread1of1ForFork1_~arg.base] {6515#true} is VALID [2020-07-28 21:31:24,962 INFO L280 TraceCheckUtils]: 10: Hoare triple {6515#true} [154] L730-->L733: Formula: (= v_~y~0_1 1) InVars {} OutVars{~y~0=v_~y~0_1} AuxVars[] AssignedVars[~y~0] {6515#true} is VALID [2020-07-28 21:31:24,963 INFO L280 TraceCheckUtils]: 11: Hoare triple {6515#true} [194] P2ENTRY-->L745: Formula: (and (= v_P2Thread1of1ForFork2_~arg.base_4 |v_P2Thread1of1ForFork2_#in~arg.base_4|) (= |v_P2Thread1of1ForFork2_#in~arg.offset_4| v_P2Thread1of1ForFork2_~arg.offset_4) (= v_~y~0_10 v_~__unbuffered_p2_EAX~0_18)) InVars {P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_10} OutVars{P2Thread1of1ForFork2_#in~arg.offset=|v_P2Thread1of1ForFork2_#in~arg.offset_4|, P2Thread1of1ForFork2_~arg.base=v_P2Thread1of1ForFork2_~arg.base_4, P2Thread1of1ForFork2_~arg.offset=v_P2Thread1of1ForFork2_~arg.offset_4, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_18, P2Thread1of1ForFork2_#in~arg.base=|v_P2Thread1of1ForFork2_#in~arg.base_4|, ~y~0=v_~y~0_10} AuxVars[] AssignedVars[P2Thread1of1ForFork2_~arg.base, P2Thread1of1ForFork2_~arg.offset, ~__unbuffered_p2_EAX~0] {6515#true} is VALID [2020-07-28 21:31:24,963 INFO L280 TraceCheckUtils]: 12: Hoare triple {6515#true} [160] L745-->L748: Formula: (= v_~z~0_2 1) InVars {} OutVars{~z~0=v_~z~0_2} AuxVars[] AssignedVars[~z~0] {6517#(= 1 ~z~0)} is VALID [2020-07-28 21:31:24,964 INFO L280 TraceCheckUtils]: 13: Hoare triple {6517#(= 1 ~z~0)} [212] L748-->P2EXIT: Formula: (and (= |v_P2Thread1of1ForFork2_#res.offset_5| 0) (= 0 |v_P2Thread1of1ForFork2_#res.base_5|) (= (+ v_~__unbuffered_cnt~0_83 1) v_~__unbuffered_cnt~0_82)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_83} OutVars{P2Thread1of1ForFork2_#res.base=|v_P2Thread1of1ForFork2_#res.base_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_82, P2Thread1of1ForFork2_#res.offset=|v_P2Thread1of1ForFork2_#res.offset_5|} AuxVars[] AssignedVars[P2Thread1of1ForFork2_#res.base, ~__unbuffered_cnt~0, P2Thread1of1ForFork2_#res.offset] {6517#(= 1 ~z~0)} is VALID [2020-07-28 21:31:24,965 INFO L280 TraceCheckUtils]: 14: Hoare triple {6517#(= 1 ~z~0)} [203] L733-->P1EXIT: Formula: (and (= v_~__unbuffered_cnt~0_58 (+ v_~__unbuffered_cnt~0_59 1)) (= 0 |v_P1Thread1of1ForFork1_#res.base_5|) (= 0 |v_P1Thread1of1ForFork1_#res.offset_5|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_59} OutVars{P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_58, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_5|} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#res.offset, ~__unbuffered_cnt~0, P1Thread1of1ForFork1_#res.base] {6517#(= 1 ~z~0)} is VALID [2020-07-28 21:31:24,965 INFO L280 TraceCheckUtils]: 15: Hoare triple {6517#(= 1 ~z~0)} [215] L772-1-->L3: Formula: (and (= (mod v_~main$tmp_guard0~0_27 256) |v_ULTIMATE.start_assume_abort_if_not_#in~cond_11|) (let ((.cse0 (= v_~__unbuffered_cnt~0_105 3))) (or (and .cse0 (= 1 v_~main$tmp_guard0~0_27)) (and (= 0 v_~main$tmp_guard0~0_27) (not .cse0)))) (= v_ULTIMATE.start_assume_abort_if_not_~cond_17 |v_ULTIMATE.start_assume_abort_if_not_#in~cond_11|)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_105} OutVars{ULTIMATE.start_assume_abort_if_not_#in~cond=|v_ULTIMATE.start_assume_abort_if_not_#in~cond_11|, ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_17, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_20|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_105, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_27} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~nondet4, ~main$tmp_guard0~0] {6517#(= 1 ~z~0)} is VALID [2020-07-28 21:31:24,966 INFO L280 TraceCheckUtils]: 16: Hoare triple {6517#(= 1 ~z~0)} [211] L3-->L782: Formula: (and (not (= 0 v_ULTIMATE.start_assume_abort_if_not_~cond_11)) (= (mod v_~main$tmp_guard1~0_18 256) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|) (let ((.cse1 (= 1 v_~__unbuffered_p2_EAX~0_26)) (.cse0 (= 2 v_~z~0_30)) (.cse2 (= 1 v_~__unbuffered_p1_EAX~0_20))) (or (and (or (not .cse0) (not .cse1) (not .cse2)) (= 1 v_~main$tmp_guard1~0_18)) (and .cse1 (= 0 v_~main$tmp_guard1~0_18) .cse0 .cse2)))) InVars {ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_11, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_20, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_26, ~z~0=v_~z~0_30} OutVars{ULTIMATE.start_assume_abort_if_not_~cond=v_ULTIMATE.start_assume_abort_if_not_~cond_11, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_20, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_18, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_26, ~z~0=v_~z~0_30, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} AuxVars[] AssignedVars[~main$tmp_guard1~0, ULTIMATE.start___VERIFIER_assert_#in~expression] {6518#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} is VALID [2020-07-28 21:31:24,967 INFO L280 TraceCheckUtils]: 17: Hoare triple {6518#(or (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression|) (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression| 255) 0))} [209] L782-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_11) (= v_ULTIMATE.start___VERIFIER_assert_~expression_11 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_11, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] {6516#false} is VALID [2020-07-28 21:31:24,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 21:31:24,968 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964067044] [2020-07-28 21:31:24,968 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 21:31:24,968 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 21:31:24,969 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487358639] [2020-07-28 21:31:24,969 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2020-07-28 21:31:24,969 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 21:31:24,969 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 21:31:25,001 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:31:25,001 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 21:31:25,001 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 21:31:25,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 21:31:25,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 21:31:25,002 INFO L87 Difference]: Start difference. First operand 55 states and 99 transitions. Second operand 4 states. [2020-07-28 21:31:25,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:31:25,067 INFO L93 Difference]: Finished difference Result 54 states and 98 transitions. [2020-07-28 21:31:25,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-28 21:31:25,068 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2020-07-28 21:31:25,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 21:31:25,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:31:25,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2020-07-28 21:31:25,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 21:31:25,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2020-07-28 21:31:25,070 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 20 transitions. [2020-07-28 21:31:25,101 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 21:31:25,101 INFO L225 Difference]: With dead ends: 54 [2020-07-28 21:31:25,101 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 21:31:25,101 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-28 21:31:25,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 21:31:25,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 21:31:25,102 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 21:31:25,102 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 21:31:25,102 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 21:31:25,102 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 21:31:25,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:31:25,102 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 21:31:25,103 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 21:31:25,103 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:31:25,103 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:31:25,103 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 21:31:25,103 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 21:31:25,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 21:31:25,103 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 21:31:25,103 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 21:31:25,103 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:31:25,104 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 21:31:25,104 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 21:31:25,104 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 21:31:25,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 21:31:25,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 21:31:25,105 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-07-28 21:31:25,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 21:31:25,105 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 21:31:25,105 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 21:31:25,105 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 21:31:25,105 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 21:31:25,105 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-28 21:31:25,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 09:31:25 BasicIcfg [2020-07-28 21:31:25,110 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 21:31:25,110 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 21:31:25,110 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 21:31:25,111 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 21:31:25,111 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 09:31:19" (3/4) ... [2020-07-28 21:31:25,115 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 21:31:25,122 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2020-07-28 21:31:25,122 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2020-07-28 21:31:25,122 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2020-07-28 21:31:25,127 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-07-28 21:31:25,128 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-07-28 21:31:25,128 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 21:31:25,175 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 21:31:25,176 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 21:31:25,179 INFO L168 Benchmark]: Toolchain (without parser) took 7304.77 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 320.3 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -184.7 MB). Peak memory consumption was 135.6 MB. Max. memory is 11.5 GB. [2020-07-28 21:31:25,180 INFO L168 Benchmark]: CDTParser took 0.85 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 21:31:25,180 INFO L168 Benchmark]: CACSL2BoogieTranslator took 678.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -150.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2020-07-28 21:31:25,184 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.64 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 21:31:25,185 INFO L168 Benchmark]: Boogie Preprocessor took 32.53 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 21:31:25,186 INFO L168 Benchmark]: RCFGBuilder took 583.70 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: 31.8 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2020-07-28 21:31:25,186 INFO L168 Benchmark]: TraceAbstraction took 5878.68 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 170.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -72.7 MB). Peak memory consumption was 97.7 MB. Max. memory is 11.5 GB. [2020-07-28 21:31:25,187 INFO L168 Benchmark]: Witness Printer took 65.74 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 21:31:25,191 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 0.85 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 678.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -150.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 57.64 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.53 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 583.70 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: 31.8 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5878.68 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 170.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -72.7 MB). Peak memory consumption was 97.7 MB. Max. memory is 11.5 GB. * Witness Printer took 65.74 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.2s, 78 ProgramPointsBefore, 32 ProgramPointsAfterwards, 70 TransitionsBefore, 23 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 6 FixpointIterations, 14 TrivialSequentialCompositions, 35 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 660 VarBasedMoverChecksPositive, 29 VarBasedMoverChecksNegative, 12 SemBasedMoverChecksPositive, 27 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.6s, 0 MoverChecksTotal, 2250 CheckedPairsTotal, 55 TotalNumberOfCompositions - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 69 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.7s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.3s, HoareTripleCheckerStatistics: 163 SDtfs, 165 SDslu, 240 SDs, 0 SdLazy, 109 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=362occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 8 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 94 ConstructedInterpolants, 0 QuantifiedInterpolants, 3262 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...