/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix016_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c7e336b [2020-10-06 00:23:45,514 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 00:23:45,517 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 00:23:45,556 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 00:23:45,557 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 00:23:45,568 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 00:23:45,569 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 00:23:45,572 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 00:23:45,575 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 00:23:45,575 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 00:23:45,577 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 00:23:45,578 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 00:23:45,578 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 00:23:45,580 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 00:23:45,581 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 00:23:45,583 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 00:23:45,584 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 00:23:45,587 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 00:23:45,589 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 00:23:45,591 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 00:23:45,593 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 00:23:45,597 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 00:23:45,599 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 00:23:45,600 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 00:23:45,604 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-06 00:23:45,610 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-06 00:23:45,611 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-06 00:23:45,611 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-06 00:23:45,612 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-06 00:23:45,613 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-06 00:23:45,613 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-06 00:23:45,614 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-06 00:23:45,614 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-06 00:23:45,615 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 00:23:45,616 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 00:23:45,617 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 00:23:45,618 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2020-10-06 00:23:45,664 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 00:23:45,664 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 00:23:45,666 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 00:23:45,666 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 00:23:45,666 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 00:23:45,667 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 00:23:45,667 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 00:23:45,667 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 00:23:45,667 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 00:23:45,667 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 00:23:45,668 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 00:23:45,669 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 00:23:45,669 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 00:23:45,669 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 00:23:45,670 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 00:23:45,670 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 00:23:45,670 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 00:23:45,670 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 00:23:45,670 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 00:23:45,671 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 00:23:45,671 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 00:23:45,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 00:23:45,671 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 00:23:45,671 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-06 00:23:45,672 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 00:23:45,672 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 00:23:45,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 00:23:45,672 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-06 00:23:45,672 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-06 00:23:45,673 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 00:23:45,673 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-06 00:23:45,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 00:23:45,989 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 00:23:45,993 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 00:23:45,995 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-06 00:23:45,995 INFO L275 PluginConnector]: CDTParser initialized [2020-10-06 00:23:45,996 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix016_tso.opt.i [2020-10-06 00:23:46,070 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2850df41/747d07c036634a99aa54fc5bbc78248a/FLAGd9fbe0118 [2020-10-06 00:23:46,604 INFO L306 CDTParser]: Found 1 translation units. [2020-10-06 00:23:46,605 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix016_tso.opt.i [2020-10-06 00:23:46,622 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2850df41/747d07c036634a99aa54fc5bbc78248a/FLAGd9fbe0118 [2020-10-06 00:23:46,908 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2850df41/747d07c036634a99aa54fc5bbc78248a [2020-10-06 00:23:46,917 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 00:23:46,919 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-06 00:23:46,920 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-06 00:23:46,920 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-06 00:23:46,923 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-06 00:23:46,923 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 12:23:46" (1/1) ... [2020-10-06 00:23:46,926 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e8c0cb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:23:46, skipping insertion in model container [2020-10-06 00:23:46,926 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 12:23:46" (1/1) ... [2020-10-06 00:23:46,932 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-06 00:23:47,005 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-06 00:23:47,530 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-06 00:23:47,544 INFO L203 MainTranslator]: Completed pre-run [2020-10-06 00:23:47,649 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-06 00:23:47,727 INFO L208 MainTranslator]: Completed translation [2020-10-06 00:23:47,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:23:47 WrapperNode [2020-10-06 00:23:47,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-06 00:23:47,729 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 00:23:47,729 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 00:23:47,729 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 00:23:47,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:23:47" (1/1) ... [2020-10-06 00:23:47,762 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:23:47" (1/1) ... [2020-10-06 00:23:47,803 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 00:23:47,803 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 00:23:47,804 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 00:23:47,804 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 00:23:47,814 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:23:47" (1/1) ... [2020-10-06 00:23:47,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:23:47" (1/1) ... [2020-10-06 00:23:47,820 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:23:47" (1/1) ... [2020-10-06 00:23:47,821 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:23:47" (1/1) ... [2020-10-06 00:23:47,836 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:23:47" (1/1) ... [2020-10-06 00:23:47,842 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:23:47" (1/1) ... [2020-10-06 00:23:47,847 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:23:47" (1/1) ... [2020-10-06 00:23:47,853 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 00:23:47,854 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 00:23:47,854 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 00:23:47,854 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 00:23:47,855 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:23:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 00:23:47,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-06 00:23:47,962 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-06 00:23:47,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-06 00:23:47,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-06 00:23:47,963 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-06 00:23:47,964 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-06 00:23:47,965 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-06 00:23:47,965 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-06 00:23:47,966 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-06 00:23:47,966 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-06 00:23:47,966 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-06 00:23:47,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 00:23:47,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 00:23:47,970 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-06 00:23:50,525 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 00:23:50,526 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-06 00:23:50,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 12:23:50 BoogieIcfgContainer [2020-10-06 00:23:50,528 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 00:23:50,530 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 00:23:50,530 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 00:23:50,533 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 00:23:50,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.10 12:23:46" (1/3) ... [2020-10-06 00:23:50,535 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b661ade and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 12:23:50, skipping insertion in model container [2020-10-06 00:23:50,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:23:47" (2/3) ... [2020-10-06 00:23:50,535 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b661ade and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 12:23:50, skipping insertion in model container [2020-10-06 00:23:50,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 12:23:50" (3/3) ... [2020-10-06 00:23:50,537 INFO L109 eAbstractionObserver]: Analyzing ICFG mix016_tso.opt.i [2020-10-06 00:23:50,551 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 00:23:50,551 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-06 00:23:50,562 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-06 00:23:50,563 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 00:23:50,599 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,600 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,653 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,655 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,656 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,656 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,657 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,657 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,657 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,657 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,657 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,657 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,657 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,658 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,658 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,658 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,658 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,658 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,658 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,658 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,658 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,658 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,659 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,659 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,659 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,659 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,659 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,659 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,659 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,659 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,659 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,660 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,660 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,660 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,660 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,660 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,660 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,660 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,661 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,661 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,661 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,661 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,661 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,662 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,662 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,662 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,662 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,662 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,664 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,664 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,665 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,665 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,665 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,665 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,666 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,666 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,666 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,666 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,666 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,667 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,667 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,667 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,667 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,667 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,667 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,668 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,668 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,668 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,668 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,668 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,668 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,669 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,669 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,669 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,669 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,669 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,669 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,670 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,670 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,670 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,670 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,670 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,670 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,671 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,671 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,671 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,671 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,671 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,672 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,672 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,672 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,672 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,672 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,672 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,673 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,673 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,674 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,675 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,675 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,675 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,675 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,675 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,675 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,676 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,676 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,680 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,681 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,681 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,681 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,681 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,681 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,682 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,682 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,682 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,682 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,682 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,683 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,683 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,683 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,683 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,683 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,684 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,684 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,684 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,684 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,684 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,684 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,685 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,685 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,685 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,685 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,685 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,688 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,688 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,689 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,689 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,689 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,689 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,690 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,690 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,690 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,690 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,690 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,691 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,691 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,691 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,691 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,691 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,692 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,692 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,692 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,692 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,692 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,693 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,693 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,693 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,693 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,693 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,694 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,694 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,694 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,694 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,694 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,695 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,695 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,695 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,695 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,697 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,697 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,698 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,698 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:23:50,716 INFO L251 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-06 00:23:50,738 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-06 00:23:50,738 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-06 00:23:50,738 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-06 00:23:50,738 INFO L378 AbstractCegarLoop]: Backedges is MCR [2020-10-06 00:23:50,738 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 00:23:50,739 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-06 00:23:50,739 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 00:23:50,739 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 00:23:50,756 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 102 places, 94 transitions, 203 flow [2020-10-06 00:23:50,758 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 102 places, 94 transitions, 203 flow [2020-10-06 00:23:50,810 INFO L129 PetriNetUnfolder]: 2/91 cut-off events. [2020-10-06 00:23:50,810 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-06 00:23:50,815 INFO L80 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 91 events. 2/91 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 58 event pairs, 0 based on Foata normal form. 0/87 useless extension candidates. Maximal degree in co-relation 59. Up to 2 conditions per place. [2020-10-06 00:23:50,819 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 102 places, 94 transitions, 203 flow [2020-10-06 00:23:50,844 INFO L129 PetriNetUnfolder]: 2/91 cut-off events. [2020-10-06 00:23:50,844 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-06 00:23:50,845 INFO L80 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 91 events. 2/91 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 58 event pairs, 0 based on Foata normal form. 0/87 useless extension candidates. Maximal degree in co-relation 59. Up to 2 conditions per place. [2020-10-06 00:23:50,848 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1524 [2020-10-06 00:23:50,849 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-06 00:23:51,647 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-06 00:23:51,799 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-10-06 00:23:53,601 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2020-10-06 00:23:53,744 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-06 00:23:53,752 INFO L206 etLargeBlockEncoding]: Checked pairs total: 4011 [2020-10-06 00:23:53,752 INFO L214 etLargeBlockEncoding]: Total number of compositions: 81 [2020-10-06 00:23:53,756 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 35 places, 26 transitions, 67 flow [2020-10-06 00:23:53,795 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 602 states. [2020-10-06 00:23:53,798 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states. [2020-10-06 00:23:53,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-06 00:23:53,806 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:23:53,807 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:23:53,807 INFO L427 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:23:53,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:23:53,814 INFO L82 PathProgramCache]: Analyzing trace with hash -1381255957, now seen corresponding path program 1 times [2020-10-06 00:23:53,843 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:23:53,844 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570535488] [2020-10-06 00:23:53,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:23:54,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:23:54,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:23:54,106 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570535488] [2020-10-06 00:23:54,107 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:23:54,107 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-06 00:23:54,108 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [666230639] [2020-10-06 00:23:54,110 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:23:54,114 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:23:54,133 INFO L258 McrAutomatonBuilder]: Finished intersection with 8 states and 7 transitions. [2020-10-06 00:23:54,133 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:23:54,139 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:23:54,140 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 00:23:54,140 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:23:54,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 00:23:54,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 00:23:54,166 INFO L87 Difference]: Start difference. First operand 602 states. Second operand 3 states. [2020-10-06 00:23:54,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:23:54,236 INFO L93 Difference]: Finished difference Result 522 states and 1600 transitions. [2020-10-06 00:23:54,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 00:23:54,239 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-06 00:23:54,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:23:54,260 INFO L225 Difference]: With dead ends: 522 [2020-10-06 00:23:54,260 INFO L226 Difference]: Without dead ends: 426 [2020-10-06 00:23:54,262 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 00:23:54,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2020-10-06 00:23:54,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 426. [2020-10-06 00:23:54,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2020-10-06 00:23:54,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 1280 transitions. [2020-10-06 00:23:54,434 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 1280 transitions. Word has length 7 [2020-10-06 00:23:54,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:23:54,437 INFO L479 AbstractCegarLoop]: Abstraction has 426 states and 1280 transitions. [2020-10-06 00:23:54,437 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 00:23:54,437 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 1280 transitions. [2020-10-06 00:23:54,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-06 00:23:54,439 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:23:54,439 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:23:54,440 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-06 00:23:54,440 INFO L427 AbstractCegarLoop]: === Iteration 2 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:23:54,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:23:54,440 INFO L82 PathProgramCache]: Analyzing trace with hash -241993245, now seen corresponding path program 1 times [2020-10-06 00:23:54,444 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:23:54,444 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537472005] [2020-10-06 00:23:54,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:23:54,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:23:54,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:23:54,582 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537472005] [2020-10-06 00:23:54,583 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:23:54,583 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-06 00:23:54,583 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [673062181] [2020-10-06 00:23:54,583 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:23:54,584 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:23:54,586 INFO L258 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-10-06 00:23:54,586 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:23:54,586 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:23:54,588 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 00:23:54,588 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:23:54,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 00:23:54,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 00:23:54,589 INFO L87 Difference]: Start difference. First operand 426 states and 1280 transitions. Second operand 3 states. [2020-10-06 00:23:54,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:23:54,601 INFO L93 Difference]: Finished difference Result 394 states and 1168 transitions. [2020-10-06 00:23:54,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 00:23:54,602 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-06 00:23:54,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:23:54,606 INFO L225 Difference]: With dead ends: 394 [2020-10-06 00:23:54,607 INFO L226 Difference]: Without dead ends: 394 [2020-10-06 00:23:54,607 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 00:23:54,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2020-10-06 00:23:54,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 394. [2020-10-06 00:23:54,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2020-10-06 00:23:54,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 1168 transitions. [2020-10-06 00:23:54,626 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 1168 transitions. Word has length 9 [2020-10-06 00:23:54,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:23:54,626 INFO L479 AbstractCegarLoop]: Abstraction has 394 states and 1168 transitions. [2020-10-06 00:23:54,626 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 00:23:54,627 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 1168 transitions. [2020-10-06 00:23:54,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-06 00:23:54,629 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:23:54,629 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:23:54,629 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-06 00:23:54,629 INFO L427 AbstractCegarLoop]: === Iteration 3 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:23:54,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:23:54,630 INFO L82 PathProgramCache]: Analyzing trace with hash -678551982, now seen corresponding path program 1 times [2020-10-06 00:23:54,631 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:23:54,631 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422413031] [2020-10-06 00:23:54,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:23:54,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:23:54,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:23:54,797 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422413031] [2020-10-06 00:23:54,797 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:23:54,798 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-06 00:23:54,798 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [975756660] [2020-10-06 00:23:54,798 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:23:54,800 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:23:54,803 INFO L258 McrAutomatonBuilder]: Finished intersection with 14 states and 15 transitions. [2020-10-06 00:23:54,804 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:23:54,847 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:23:54,847 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-06 00:23:54,848 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:23:54,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-06 00:23:54,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-06 00:23:54,848 INFO L87 Difference]: Start difference. First operand 394 states and 1168 transitions. Second operand 4 states. [2020-10-06 00:23:54,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:23:54,893 INFO L93 Difference]: Finished difference Result 373 states and 969 transitions. [2020-10-06 00:23:54,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-06 00:23:54,894 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-10-06 00:23:54,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:23:54,896 INFO L225 Difference]: With dead ends: 373 [2020-10-06 00:23:54,896 INFO L226 Difference]: Without dead ends: 277 [2020-10-06 00:23:54,897 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-06 00:23:54,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2020-10-06 00:23:54,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 277. [2020-10-06 00:23:54,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2020-10-06 00:23:54,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 700 transitions. [2020-10-06 00:23:54,906 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 700 transitions. Word has length 11 [2020-10-06 00:23:54,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:23:54,906 INFO L479 AbstractCegarLoop]: Abstraction has 277 states and 700 transitions. [2020-10-06 00:23:54,907 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-06 00:23:54,907 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 700 transitions. [2020-10-06 00:23:54,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-06 00:23:54,909 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:23:54,909 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:23:54,909 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-06 00:23:54,909 INFO L427 AbstractCegarLoop]: === Iteration 4 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:23:54,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:23:54,910 INFO L82 PathProgramCache]: Analyzing trace with hash -1250538554, now seen corresponding path program 1 times [2020-10-06 00:23:54,911 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:23:54,911 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535907047] [2020-10-06 00:23:54,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:23:54,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:23:55,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:23:55,025 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535907047] [2020-10-06 00:23:55,026 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:23:55,026 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-06 00:23:55,026 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1370097734] [2020-10-06 00:23:55,026 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:23:55,029 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:23:55,036 INFO L258 McrAutomatonBuilder]: Finished intersection with 35 states and 54 transitions. [2020-10-06 00:23:55,037 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:23:55,209 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [4809#(<= ~__unbuffered_cnt~0 0)] [2020-10-06 00:23:55,209 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-06 00:23:55,209 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:23:55,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-06 00:23:55,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-06 00:23:55,210 INFO L87 Difference]: Start difference. First operand 277 states and 700 transitions. Second operand 6 states. [2020-10-06 00:23:55,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:23:55,262 INFO L93 Difference]: Finished difference Result 223 states and 513 transitions. [2020-10-06 00:23:55,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-06 00:23:55,262 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-10-06 00:23:55,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:23:55,264 INFO L225 Difference]: With dead ends: 223 [2020-10-06 00:23:55,264 INFO L226 Difference]: Without dead ends: 172 [2020-10-06 00:23:55,265 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-06 00:23:55,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2020-10-06 00:23:55,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2020-10-06 00:23:55,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-10-06 00:23:55,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 385 transitions. [2020-10-06 00:23:55,270 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 385 transitions. Word has length 14 [2020-10-06 00:23:55,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:23:55,270 INFO L479 AbstractCegarLoop]: Abstraction has 172 states and 385 transitions. [2020-10-06 00:23:55,271 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-06 00:23:55,271 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 385 transitions. [2020-10-06 00:23:55,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-06 00:23:55,272 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:23:55,272 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:23:55,272 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-06 00:23:55,272 INFO L427 AbstractCegarLoop]: === Iteration 5 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:23:55,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:23:55,273 INFO L82 PathProgramCache]: Analyzing trace with hash 271966041, now seen corresponding path program 1 times [2020-10-06 00:23:55,274 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:23:55,275 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601671219] [2020-10-06 00:23:55,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:23:55,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:23:55,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:23:55,420 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601671219] [2020-10-06 00:23:55,420 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:23:55,420 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-06 00:23:55,420 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [507530883] [2020-10-06 00:23:55,421 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:23:55,425 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:23:55,446 INFO L258 McrAutomatonBuilder]: Finished intersection with 46 states and 77 transitions. [2020-10-06 00:23:55,446 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:23:55,659 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [5385#(<= ~__unbuffered_cnt~0 0)] [2020-10-06 00:23:55,659 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-06 00:23:55,659 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:23:55,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-06 00:23:55,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-06 00:23:55,660 INFO L87 Difference]: Start difference. First operand 172 states and 385 transitions. Second operand 7 states. [2020-10-06 00:23:55,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:23:55,716 INFO L93 Difference]: Finished difference Result 153 states and 345 transitions. [2020-10-06 00:23:55,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-06 00:23:55,717 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2020-10-06 00:23:55,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:23:55,719 INFO L225 Difference]: With dead ends: 153 [2020-10-06 00:23:55,719 INFO L226 Difference]: Without dead ends: 141 [2020-10-06 00:23:55,719 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-06 00:23:55,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2020-10-06 00:23:55,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2020-10-06 00:23:55,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2020-10-06 00:23:55,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 323 transitions. [2020-10-06 00:23:55,725 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 323 transitions. Word has length 17 [2020-10-06 00:23:55,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:23:55,725 INFO L479 AbstractCegarLoop]: Abstraction has 141 states and 323 transitions. [2020-10-06 00:23:55,725 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-06 00:23:55,726 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 323 transitions. [2020-10-06 00:23:55,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-06 00:23:55,727 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:23:55,727 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:23:55,727 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-06 00:23:55,727 INFO L427 AbstractCegarLoop]: === Iteration 6 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:23:55,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:23:55,728 INFO L82 PathProgramCache]: Analyzing trace with hash -1533728936, now seen corresponding path program 1 times [2020-10-06 00:23:55,729 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:23:55,729 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641148783] [2020-10-06 00:23:55,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:23:55,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:23:55,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:23:55,845 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641148783] [2020-10-06 00:23:55,845 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:23:55,846 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-06 00:23:55,846 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1159825950] [2020-10-06 00:23:55,846 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:23:55,852 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:23:55,883 INFO L258 McrAutomatonBuilder]: Finished intersection with 59 states and 102 transitions. [2020-10-06 00:23:55,883 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:23:56,084 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:23:56,084 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-06 00:23:56,085 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:23:56,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-06 00:23:56,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-06 00:23:56,085 INFO L87 Difference]: Start difference. First operand 141 states and 323 transitions. Second operand 4 states. [2020-10-06 00:23:56,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:23:56,100 INFO L93 Difference]: Finished difference Result 179 states and 400 transitions. [2020-10-06 00:23:56,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-06 00:23:56,101 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2020-10-06 00:23:56,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:23:56,102 INFO L225 Difference]: With dead ends: 179 [2020-10-06 00:23:56,102 INFO L226 Difference]: Without dead ends: 75 [2020-10-06 00:23:56,102 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-06 00:23:56,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-10-06 00:23:56,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2020-10-06 00:23:56,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-10-06 00:23:56,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 146 transitions. [2020-10-06 00:23:56,105 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 146 transitions. Word has length 20 [2020-10-06 00:23:56,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:23:56,105 INFO L479 AbstractCegarLoop]: Abstraction has 75 states and 146 transitions. [2020-10-06 00:23:56,105 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-06 00:23:56,106 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 146 transitions. [2020-10-06 00:23:56,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-06 00:23:56,106 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:23:56,106 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:23:56,106 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-06 00:23:56,107 INFO L427 AbstractCegarLoop]: === Iteration 7 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:23:56,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:23:56,107 INFO L82 PathProgramCache]: Analyzing trace with hash 65948760, now seen corresponding path program 2 times [2020-10-06 00:23:56,108 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:23:56,109 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606732430] [2020-10-06 00:23:56,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:23:56,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:23:56,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:23:56,172 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606732430] [2020-10-06 00:23:56,173 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:23:56,173 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-06 00:23:56,173 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1536125951] [2020-10-06 00:23:56,173 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:23:56,179 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:23:56,211 INFO L258 McrAutomatonBuilder]: Finished intersection with 36 states and 51 transitions. [2020-10-06 00:23:56,211 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:23:56,240 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:23:56,241 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-06 00:23:56,241 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:23:56,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-06 00:23:56,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-06 00:23:56,241 INFO L87 Difference]: Start difference. First operand 75 states and 146 transitions. Second operand 4 states. [2020-10-06 00:23:56,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:23:56,257 INFO L93 Difference]: Finished difference Result 95 states and 181 transitions. [2020-10-06 00:23:56,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-06 00:23:56,258 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2020-10-06 00:23:56,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:23:56,258 INFO L225 Difference]: With dead ends: 95 [2020-10-06 00:23:56,258 INFO L226 Difference]: Without dead ends: 42 [2020-10-06 00:23:56,259 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-06 00:23:56,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-10-06 00:23:56,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-10-06 00:23:56,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-10-06 00:23:56,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 68 transitions. [2020-10-06 00:23:56,261 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 68 transitions. Word has length 20 [2020-10-06 00:23:56,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:23:56,262 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 68 transitions. [2020-10-06 00:23:56,262 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-06 00:23:56,262 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 68 transitions. [2020-10-06 00:23:56,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-06 00:23:56,262 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:23:56,262 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:23:56,263 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-06 00:23:56,263 INFO L427 AbstractCegarLoop]: === Iteration 8 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:23:56,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:23:56,263 INFO L82 PathProgramCache]: Analyzing trace with hash -1860057112, now seen corresponding path program 3 times [2020-10-06 00:23:56,264 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:23:56,265 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931564776] [2020-10-06 00:23:56,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:23:56,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:23:56,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:23:56,692 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931564776] [2020-10-06 00:23:56,692 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:23:56,693 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-06 00:23:56,693 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1001235237] [2020-10-06 00:23:56,693 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:23:56,698 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:23:56,761 INFO L258 McrAutomatonBuilder]: Finished intersection with 30 states and 39 transitions. [2020-10-06 00:23:56,761 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:23:56,793 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 3, 2, 2, 1] term [2020-10-06 00:23:56,793 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:23:56,794 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 3, 1] term [2020-10-06 00:23:56,794 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:23:56,796 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 1] term [2020-10-06 00:23:56,796 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:23:56,801 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 2, 1] term [2020-10-06 00:23:56,802 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:23:56,803 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 3, 2, 2, 1] term [2020-10-06 00:23:56,803 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:23:56,804 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[6, 2, 4, 3, 3, 2, 1] term [2020-10-06 00:23:56,805 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-06 00:23:57,049 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 44 [2020-10-06 00:23:57,068 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 3, 2, 2, 1] term [2020-10-06 00:23:57,069 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:23:57,070 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 3, 1] term [2020-10-06 00:23:57,071 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:23:57,072 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 1] term [2020-10-06 00:23:57,072 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:23:57,074 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 2, 2, 1] term [2020-10-06 00:23:57,075 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:23:57,077 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 3, 2, 2, 1] term [2020-10-06 00:23:57,077 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:23:57,079 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[6, 2, 4, 3, 3, 2, 1] term [2020-10-06 00:23:57,079 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-06 00:23:57,133 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 3, 2, 2, 1] term [2020-10-06 00:23:57,133 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:23:57,135 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 3, 1] term [2020-10-06 00:23:57,135 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:23:57,136 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 1] term [2020-10-06 00:23:57,136 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:23:57,138 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 2, 2, 1] term [2020-10-06 00:23:57,139 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:23:57,140 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 3, 2, 2, 1] term [2020-10-06 00:23:57,140 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:23:57,141 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[6, 2, 4, 3, 3, 2, 1] term [2020-10-06 00:23:57,142 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-06 00:23:57,189 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 3, 2, 2, 1] term [2020-10-06 00:23:57,190 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:23:57,190 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 3, 1] term [2020-10-06 00:23:57,190 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:23:57,191 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 1] term [2020-10-06 00:23:57,191 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:23:57,193 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 2, 2, 1] term [2020-10-06 00:23:57,194 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:23:57,195 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 3, 2, 2, 1] term [2020-10-06 00:23:57,196 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:23:57,197 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[6, 2, 4, 3, 3, 2, 1] term [2020-10-06 00:23:57,197 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-06 00:23:57,244 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 3, 2, 2, 1] term [2020-10-06 00:23:57,245 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:23:57,245 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 3, 1] term [2020-10-06 00:23:57,246 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:23:57,247 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 1] term [2020-10-06 00:23:57,247 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:23:57,249 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 2, 1] term [2020-10-06 00:23:57,250 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:23:57,250 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 3, 2, 2, 1] term [2020-10-06 00:23:57,251 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 00:23:57,252 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[6, 2, 4, 3, 3, 2, 1] term [2020-10-06 00:23:57,252 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-06 00:23:57,285 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [6351#(or (= ~__unbuffered_p2_EAX~0 0) (and (or (and (or (= (mod ~y$r_buff1_thd3~0 256) 0) (= (mod ~y$w_buff1_used~0 256) 0)) (= ~y$r_buff1_thd2~0 0) (or (and (= ~y$w_buff0~0 1) (not (= ~y~0 0))) (and (<= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (<= 0 (div ~y$w_buff0_used~0 256)) (not (= ~y~0 0))))) (and (not (= 0 (mod ~y$r_buff0_thd3~0 256))) (not (= (mod ~y$w_buff0_used~0 256) 0)))) (or (= (mod ~y$w_buff0_used~0 256) 0) (and (= ~y$r_buff1_thd2~0 0) (not (= ~y$w_buff0~0 0))))))] [2020-10-06 00:23:57,285 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-06 00:23:57,286 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:23:57,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-06 00:23:57,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-06 00:23:57,286 INFO L87 Difference]: Start difference. First operand 42 states and 68 transitions. Second operand 8 states. [2020-10-06 00:23:57,625 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2020-10-06 00:23:57,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:23:57,730 INFO L93 Difference]: Finished difference Result 52 states and 82 transitions. [2020-10-06 00:23:57,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-06 00:23:57,731 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 20 [2020-10-06 00:23:57,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:23:57,731 INFO L225 Difference]: With dead ends: 52 [2020-10-06 00:23:57,732 INFO L226 Difference]: Without dead ends: 30 [2020-10-06 00:23:57,732 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-06 00:23:57,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-10-06 00:23:57,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-10-06 00:23:57,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-06 00:23:57,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 40 transitions. [2020-10-06 00:23:57,735 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 40 transitions. Word has length 20 [2020-10-06 00:23:57,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:23:57,735 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 40 transitions. [2020-10-06 00:23:57,735 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-06 00:23:57,735 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2020-10-06 00:23:57,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-06 00:23:57,735 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:23:57,736 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:23:57,736 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-06 00:23:57,736 INFO L427 AbstractCegarLoop]: === Iteration 9 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:23:57,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:23:57,736 INFO L82 PathProgramCache]: Analyzing trace with hash 1558212358, now seen corresponding path program 4 times [2020-10-06 00:23:57,737 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:23:57,738 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264470360] [2020-10-06 00:23:57,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:23:57,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-06 00:23:57,804 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-06 00:23:57,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-06 00:23:57,853 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-06 00:23:57,906 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-06 00:23:57,906 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-06 00:23:57,906 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-06 00:23:57,907 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-06 00:23:57,931 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [1156] [1156] L841-->L848: Formula: (let ((.cse6 (= (mod ~y$r_buff0_thd0~0_In1952455037 256) 0)) (.cse7 (= (mod ~y$w_buff0_used~0_In1952455037 256) 0)) (.cse8 (= (mod ~y$w_buff1_used~0_In1952455037 256) 0)) (.cse9 (= (mod ~y$r_buff1_thd0~0_In1952455037 256) 0))) (let ((.cse2 (or .cse8 .cse9)) (.cse0 (not .cse9)) (.cse1 (not .cse8)) (.cse3 (or .cse6 .cse7)) (.cse4 (not .cse7)) (.cse5 (not .cse6))) (and (= ULTIMATE.start_assume_abort_if_not_~cond_Out1952455037 |ULTIMATE.start_assume_abort_if_not_#in~cond_In1952455037|) (= ~y$r_buff1_thd0~0_Out1952455037 ~y$r_buff1_thd0~0_In1952455037) (or (and .cse0 .cse1 (= ~y$w_buff1_used~0_Out1952455037 0)) (and .cse2 (= ~y$w_buff1_used~0_Out1952455037 ~y$w_buff1_used~0_In1952455037))) (or (and .cse3 (or (and .cse2 (= ~y~0_In1952455037 ~y~0_Out1952455037)) (and (= ~y~0_Out1952455037 ~y$w_buff1~0_In1952455037) .cse0 .cse1))) (and (= ~y~0_Out1952455037 ~y$w_buff0~0_In1952455037) .cse4 .cse5)) (not (= ULTIMATE.start_assume_abort_if_not_~cond_Out1952455037 0)) (= ~y$r_buff0_thd0~0_Out1952455037 ~y$r_buff0_thd0~0_In1952455037) (or (and .cse3 (= ~y$w_buff0_used~0_In1952455037 ~y$w_buff0_used~0_Out1952455037)) (and .cse4 (= ~y$w_buff0_used~0_Out1952455037 0) .cse5))))) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In1952455037|, ~y$w_buff0_used~0=~y$w_buff0_used~0_In1952455037, ~y$w_buff1~0=~y$w_buff1~0_In1952455037, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In1952455037, ~y$w_buff0~0=~y$w_buff0~0_In1952455037, ~y~0=~y~0_In1952455037, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In1952455037, ~y$w_buff1_used~0=~y$w_buff1_used~0_In1952455037} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_Out1952455037, ULTIMATE.start_main_#t~ite58=|ULTIMATE.start_main_#t~ite58_Out1952455037|, ULTIMATE.start_main_#t~ite57=|ULTIMATE.start_main_#t~ite57_Out1952455037|, ULTIMATE.start_main_#t~ite59=|ULTIMATE.start_main_#t~ite59_Out1952455037|, ULTIMATE.start_main_#t~ite62=|ULTIMATE.start_main_#t~ite62_Out1952455037|, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In1952455037|, ULTIMATE.start_main_#t~ite60=|ULTIMATE.start_main_#t~ite60_Out1952455037|, ULTIMATE.start_main_#t~ite61=|ULTIMATE.start_main_#t~ite61_Out1952455037|, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_Out1952455037, ~y$w_buff1~0=~y$w_buff1~0_In1952455037, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_Out1952455037, ~y$w_buff0~0=~y$w_buff0~0_In1952455037, ~y~0=~y~0_Out1952455037, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_Out1952455037, ~y$w_buff1_used~0=~y$w_buff1_used~0_Out1952455037} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite62, ULTIMATE.start_main_#t~ite60, ULTIMATE.start_main_#t~ite61, ULTIMATE.start_assume_abort_if_not_~cond, ~y$w_buff0_used~0, ~y$r_buff0_thd0~0, ULTIMATE.start_main_#t~ite58, ULTIMATE.start_main_#t~ite57, ULTIMATE.start_main_#t~ite59, ~y~0, ~y$r_buff1_thd0~0, ~y$w_buff1_used~0] because there is no mapped edge [2020-10-06 00:23:57,943 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:23:57,943 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:23:57,945 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:23:57,945 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:23:57,945 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:23:57,946 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:23:57,946 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:23:57,946 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:23:57,946 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:23:57,946 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:23:57,946 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:23:57,947 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:23:57,947 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:23:57,948 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:23:57,948 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:23:57,948 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:23:57,948 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:23:57,948 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:23:57,949 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:23:57,949 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:23:57,949 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:23:57,949 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:23:57,950 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:23:57,950 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:23:57,951 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:23:57,951 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:23:57,951 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:23:57,951 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:23:57,951 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:23:57,951 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:23:57,952 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:23:57,952 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:23:57,956 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:23:57,956 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:23:57,957 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:23:57,957 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:23:57,957 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:23:57,957 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:23:57,957 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:23:57,957 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:23:57,958 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:23:57,958 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:23:57,958 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:23:57,958 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:23:57,958 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:23:57,958 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:23:57,958 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:23:57,959 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:23:57,959 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:23:57,959 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:23:57,959 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:23:57,960 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:23:57,960 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:23:57,960 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:23:57,960 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:23:57,960 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:23:57,960 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:23:57,960 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:23:57,960 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:23:57,960 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:23:57,961 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:23:57,961 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:23:58,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 12:23:58 BasicIcfg [2020-10-06 00:23:58,024 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 00:23:58,026 INFO L168 Benchmark]: Toolchain (without parser) took 11107.30 ms. Allocated memory was 147.8 MB in the beginning and 390.1 MB in the end (delta: 242.2 MB). Free memory was 100.8 MB in the beginning and 174.3 MB in the end (delta: -73.6 MB). Peak memory consumption was 168.6 MB. Max. memory is 7.1 GB. [2020-10-06 00:23:58,026 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 147.8 MB. Free memory was 121.2 MB in the beginning and 121.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-06 00:23:58,027 INFO L168 Benchmark]: CACSL2BoogieTranslator took 808.67 ms. Allocated memory was 147.8 MB in the beginning and 205.0 MB in the end (delta: 57.1 MB). Free memory was 100.6 MB in the beginning and 157.6 MB in the end (delta: -57.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. [2020-10-06 00:23:58,028 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.42 ms. Allocated memory is still 205.0 MB. Free memory was 157.6 MB in the beginning and 154.3 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2020-10-06 00:23:58,030 INFO L168 Benchmark]: Boogie Preprocessor took 49.95 ms. Allocated memory is still 205.0 MB. Free memory was 154.3 MB in the beginning and 151.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-10-06 00:23:58,031 INFO L168 Benchmark]: RCFGBuilder took 2674.74 ms. Allocated memory was 205.0 MB in the beginning and 244.8 MB in the end (delta: 39.8 MB). Free memory was 151.7 MB in the beginning and 102.3 MB in the end (delta: 49.4 MB). Peak memory consumption was 95.7 MB. Max. memory is 7.1 GB. [2020-10-06 00:23:58,032 INFO L168 Benchmark]: TraceAbstraction took 7494.44 ms. Allocated memory was 244.8 MB in the beginning and 390.1 MB in the end (delta: 145.2 MB). Free memory was 100.6 MB in the beginning and 174.3 MB in the end (delta: -73.7 MB). Peak memory consumption was 71.5 MB. Max. memory is 7.1 GB. [2020-10-06 00:23:58,041 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 147.8 MB. Free memory was 121.2 MB in the beginning and 121.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 808.67 ms. Allocated memory was 147.8 MB in the beginning and 205.0 MB in the end (delta: 57.1 MB). Free memory was 100.6 MB in the beginning and 157.6 MB in the end (delta: -57.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 74.42 ms. Allocated memory is still 205.0 MB. Free memory was 157.6 MB in the beginning and 154.3 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.95 ms. Allocated memory is still 205.0 MB. Free memory was 154.3 MB in the beginning and 151.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2674.74 ms. Allocated memory was 205.0 MB in the beginning and 244.8 MB in the end (delta: 39.8 MB). Free memory was 151.7 MB in the beginning and 102.3 MB in the end (delta: 49.4 MB). Peak memory consumption was 95.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7494.44 ms. Allocated memory was 244.8 MB in the beginning and 390.1 MB in the end (delta: 145.2 MB). Free memory was 100.6 MB in the beginning and 174.3 MB in the end (delta: -73.7 MB). Peak memory consumption was 71.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.9s, 102 ProgramPointsBefore, 35 ProgramPointsAfterwards, 94 TransitionsBefore, 26 TransitionsAfterwards, 1524 CoEnabledTransitionPairs, 8 FixpointIterations, 34 TrivialSequentialCompositions, 41 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 789 VarBasedMoverChecksPositive, 26 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 4011 CheckedPairsTotal, 81 TotalNumberOfCompositions - CounterExampleResult [Line: 7]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L698] 0 int __unbuffered_cnt = 0; [L700] 0 int __unbuffered_p0_EAX = 0; [L702] 0 int __unbuffered_p1_EAX = 0; [L704] 0 int __unbuffered_p2_EAX = 0; [L706] 0 int __unbuffered_p2_EBX = 0; [L707] 0 _Bool main$tmp_guard0; [L708] 0 _Bool main$tmp_guard1; [L710] 0 int x = 0; [L712] 0 int y = 0; [L713] 0 _Bool y$flush_delayed; [L714] 0 int y$mem_tmp; [L715] 0 _Bool y$r_buff0_thd0; [L716] 0 _Bool y$r_buff0_thd1; [L717] 0 _Bool y$r_buff0_thd2; [L718] 0 _Bool y$r_buff0_thd3; [L719] 0 _Bool y$r_buff1_thd0; [L720] 0 _Bool y$r_buff1_thd1; [L721] 0 _Bool y$r_buff1_thd2; [L722] 0 _Bool y$r_buff1_thd3; [L723] 0 _Bool y$read_delayed; [L724] 0 int *y$read_delayed_var; [L725] 0 int y$w_buff0; [L726] 0 _Bool y$w_buff0_used; [L727] 0 int y$w_buff1; [L728] 0 _Bool y$w_buff1_used; [L730] 0 int z = 0; [L731] 0 _Bool weak$$choice0; [L732] 0 _Bool weak$$choice2; [L832] 0 pthread_t t430; [L833] FCALL, FORK 0 pthread_create(&t430, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L834] 0 pthread_t t431; [L835] FCALL, FORK 0 pthread_create(&t431, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L836] 0 pthread_t t432; [L837] FCALL, FORK 0 pthread_create(&t432, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L779] 3 y$w_buff1 = y$w_buff0 [L780] 3 y$w_buff0 = 1 [L781] 3 y$w_buff1_used = y$w_buff0_used [L782] 3 y$w_buff0_used = (_Bool)1 [L7] COND TRUE 3 !expression [L7] 3 __VERIFIER_error() [L784] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L785] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L786] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L787] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L788] 3 y$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L791] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L792] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L793] 3 y$flush_delayed = weak$$choice2 [L794] 3 y$mem_tmp = y [L795] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L795] 3 y = !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L796] EXPR 3 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L796] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0) [L796] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0 [L796] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0) [L796] EXPR 3 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L796] 3 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L797] EXPR 3 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L797] 3 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L798] EXPR 3 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L798] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used) [L798] EXPR 3 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L798] 3 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L799] EXPR 3 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L799] 3 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L800] EXPR 3 weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L800] 3 y$r_buff0_thd3 = weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L801] EXPR 3 weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L801] 3 y$r_buff1_thd3 = weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L802] 3 __unbuffered_p2_EAX = y [L803] EXPR 3 y$flush_delayed ? y$mem_tmp : y [L803] 3 y = y$flush_delayed ? y$mem_tmp : y [L804] 3 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L807] 3 __unbuffered_p2_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L736] 1 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L739] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L751] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=255, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L744] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L746] 1 return 0; [L754] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L755] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L756] 2 y$flush_delayed = weak$$choice2 [L757] 2 y$mem_tmp = y [L758] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L758] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L759] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L759] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0) [L759] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0 [L759] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0) [L759] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L759] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L760] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L760] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1) [L760] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L760] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L761] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L761] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L762] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L762] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L762] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L762] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L763] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L763] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L764] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L764] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L764] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L764] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L765] 2 __unbuffered_p1_EAX = y [L766] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L766] 2 y = y$flush_delayed ? y$mem_tmp : y [L767] 2 y$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=3, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L772] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L774] 2 return 0; [L810] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L810] EXPR 3 y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y [L810] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L810] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L811] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L811] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L812] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L812] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L813] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L813] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L814] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L814] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L817] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L819] 3 return 0; [L839] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L850] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L7] COND TRUE 0 !expression [L7] 0 __VERIFIER_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=3, weak$$choice2=1, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 93 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 7.1s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.0s, HoareTripleCheckerStatistics: 201 SDtfs, 165 SDslu, 358 SDs, 0 SdLazy, 144 SolverSat, 31 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 147 GetRequests, 109 SyntacticMatches, 6 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=602occurred 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: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 138 NumberOfCodeBlocks, 138 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 110 ConstructedInterpolants, 0 QuantifiedInterpolants, 11795 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 incorrect! Received shutdown request...