/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/rfi001_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-6f57305 [2021-01-26 17:19:50,363 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-26 17:19:50,365 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-26 17:19:50,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-26 17:19:50,421 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-26 17:19:50,426 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-26 17:19:50,430 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-26 17:19:50,439 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-26 17:19:50,442 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-26 17:19:50,449 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-26 17:19:50,450 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-26 17:19:50,452 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-26 17:19:50,452 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-26 17:19:50,456 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-26 17:19:50,458 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-26 17:19:50,460 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-26 17:19:50,461 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-26 17:19:50,464 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-26 17:19:50,472 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-26 17:19:50,482 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-26 17:19:50,484 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-26 17:19:50,486 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-26 17:19:50,487 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-26 17:19:50,490 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-26 17:19:50,499 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-26 17:19:50,504 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-26 17:19:50,505 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-26 17:19:50,508 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-26 17:19:50,509 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-26 17:19:50,510 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-26 17:19:50,510 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-26 17:19:50,511 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-26 17:19:50,511 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-26 17:19:50,512 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-26 17:19:50,513 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-26 17:19:50,513 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-26 17:19:50,514 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2021-01-26 17:19:50,565 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-26 17:19:50,566 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-26 17:19:50,567 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-26 17:19:50,568 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-26 17:19:50,568 INFO L138 SettingsManager]: * Use SBE=true [2021-01-26 17:19:50,568 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-26 17:19:50,568 INFO L138 SettingsManager]: * sizeof long=4 [2021-01-26 17:19:50,569 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-26 17:19:50,569 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-01-26 17:19:50,569 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-26 17:19:50,569 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-26 17:19:50,570 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-26 17:19:50,570 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-26 17:19:50,570 INFO L138 SettingsManager]: * sizeof long double=12 [2021-01-26 17:19:50,570 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-26 17:19:50,570 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-26 17:19:50,571 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-26 17:19:50,571 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-26 17:19:50,571 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-26 17:19:50,571 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-01-26 17:19:50,571 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-26 17:19:50,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-26 17:19:50,572 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-26 17:19:50,572 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-26 17:19:50,572 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-26 17:19:50,573 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-26 17:19:50,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-26 17:19:50,573 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-01-26 17:19:50,573 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-26 17:19:50,573 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2021-01-26 17:19:50,574 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-26 17:19:50,990 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-26 17:19:51,026 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-26 17:19:51,029 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-26 17:19:51,031 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-26 17:19:51,032 INFO L275 PluginConnector]: CDTParser initialized [2021-01-26 17:19:51,033 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi001_pso.opt.i [2021-01-26 17:19:51,120 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39972f396/bdf6b7b4888246379ec7956f076c556b/FLAGb932a6081 [2021-01-26 17:19:51,845 INFO L306 CDTParser]: Found 1 translation units. [2021-01-26 17:19:51,848 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi001_pso.opt.i [2021-01-26 17:19:51,877 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39972f396/bdf6b7b4888246379ec7956f076c556b/FLAGb932a6081 [2021-01-26 17:19:52,140 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39972f396/bdf6b7b4888246379ec7956f076c556b [2021-01-26 17:19:52,145 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-26 17:19:52,158 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-01-26 17:19:52,162 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-26 17:19:52,163 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-26 17:19:52,166 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-26 17:19:52,167 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 05:19:52" (1/1) ... [2021-01-26 17:19:52,171 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1edd03ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:19:52, skipping insertion in model container [2021-01-26 17:19:52,171 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 05:19:52" (1/1) ... [2021-01-26 17:19:52,180 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-26 17:19:52,249 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-26 17:19:52,776 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-26 17:19:52,800 INFO L203 MainTranslator]: Completed pre-run [2021-01-26 17:19:52,923 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-26 17:19:53,043 INFO L208 MainTranslator]: Completed translation [2021-01-26 17:19:53,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:19:53 WrapperNode [2021-01-26 17:19:53,044 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-26 17:19:53,045 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-26 17:19:53,045 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-26 17:19:53,045 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-26 17:19:53,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:19:53" (1/1) ... [2021-01-26 17:19:53,079 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:19:53" (1/1) ... [2021-01-26 17:19:53,136 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-26 17:19:53,137 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-26 17:19:53,137 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-26 17:19:53,137 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-26 17:19:53,147 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:19:53" (1/1) ... [2021-01-26 17:19:53,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:19:53" (1/1) ... [2021-01-26 17:19:53,151 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:19:53" (1/1) ... [2021-01-26 17:19:53,152 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:19:53" (1/1) ... [2021-01-26 17:19:53,165 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:19:53" (1/1) ... [2021-01-26 17:19:53,170 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:19:53" (1/1) ... [2021-01-26 17:19:53,174 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:19:53" (1/1) ... [2021-01-26 17:19:53,180 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-26 17:19:53,181 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-26 17:19:53,181 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-26 17:19:53,181 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-26 17:19:53,182 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:19:53" (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 [2021-01-26 17:19:53,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-26 17:19:53,276 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-01-26 17:19:53,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-26 17:19:53,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-26 17:19:53,278 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-01-26 17:19:53,278 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-01-26 17:19:53,279 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-01-26 17:19:53,279 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-01-26 17:19:53,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-26 17:19:53,281 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-01-26 17:19:53,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-26 17:19:53,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-26 17:19:53,283 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-01-26 17:19:55,837 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-26 17:19:55,838 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2021-01-26 17:19:55,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 05:19:55 BoogieIcfgContainer [2021-01-26 17:19:55,840 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-26 17:19:55,843 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-26 17:19:55,843 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-26 17:19:55,846 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-26 17:19:55,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 05:19:52" (1/3) ... [2021-01-26 17:19:55,848 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63e91850 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 05:19:55, skipping insertion in model container [2021-01-26 17:19:55,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:19:53" (2/3) ... [2021-01-26 17:19:55,848 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63e91850 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 05:19:55, skipping insertion in model container [2021-01-26 17:19:55,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 05:19:55" (3/3) ... [2021-01-26 17:19:55,850 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi001_pso.opt.i [2021-01-26 17:19:55,868 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-26 17:19:55,868 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-26 17:19:55,872 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-01-26 17:19:55,873 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-26 17:19:55,910 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,910 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,910 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,910 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,911 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,911 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,911 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,912 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,912 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,912 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,912 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,913 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,913 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,913 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,913 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,914 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,914 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,914 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,914 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,915 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,915 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,915 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,916 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,916 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,916 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,916 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,917 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,917 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,917 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,917 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,918 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,918 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,918 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,918 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,919 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,919 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,919 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,919 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,920 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,920 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,920 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,920 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,921 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,921 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,921 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,921 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,921 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,921 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,922 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,922 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,922 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,922 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,922 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,923 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,923 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,924 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,924 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,924 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,924 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,924 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,925 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,925 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,926 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,926 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,926 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,926 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,926 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,927 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,927 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,927 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,928 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,928 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,930 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,931 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,931 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,931 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,931 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,932 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,932 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,932 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,932 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,933 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,938 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,938 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,938 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,939 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,939 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,939 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,939 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,940 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,940 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,940 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,940 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,940 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,941 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,941 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:19:55,943 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-01-26 17:19:55,956 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-01-26 17:19:55,981 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-26 17:19:55,981 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-26 17:19:55,982 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-26 17:19:55,982 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-26 17:19:55,982 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-26 17:19:55,982 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-26 17:19:55,982 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-26 17:19:55,982 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-26 17:19:55,995 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 92 places, 88 transitions, 186 flow [2021-01-26 17:19:56,129 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2444 states, 2440 states have (on average 2.8225409836065576) internal successors, (6887), 2443 states have internal predecessors, (6887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:19:56,140 INFO L276 IsEmpty]: Start isEmpty. Operand has 2444 states, 2440 states have (on average 2.8225409836065576) internal successors, (6887), 2443 states have internal predecessors, (6887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:19:56,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-01-26 17:19:56,149 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:19:56,150 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:19:56,151 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 17:19:56,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:19:56,157 INFO L82 PathProgramCache]: Analyzing trace with hash 669374079, now seen corresponding path program 1 times [2021-01-26 17:19:56,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:19:56,168 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466137807] [2021-01-26 17:19:56,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:19:56,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:19:56,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:19:56,539 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466137807] [2021-01-26 17:19:56,540 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:19:56,540 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-26 17:19:56,541 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757826064] [2021-01-26 17:19:56,546 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-26 17:19:56,547 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:19:56,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-26 17:19:56,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-26 17:19:56,580 INFO L87 Difference]: Start difference. First operand has 2444 states, 2440 states have (on average 2.8225409836065576) internal successors, (6887), 2443 states have internal predecessors, (6887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:19:56,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:19:56,717 INFO L93 Difference]: Finished difference Result 2068 states and 5566 transitions. [2021-01-26 17:19:56,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-26 17:19:56,720 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2021-01-26 17:19:56,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:19:56,746 INFO L225 Difference]: With dead ends: 2068 [2021-01-26 17:19:56,746 INFO L226 Difference]: Without dead ends: 1348 [2021-01-26 17:19:56,748 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-26 17:19:56,748 INFO L78 Accepts]: Start accepts. Automaton has 1348 states. Word has length 42 [2021-01-26 17:19:56,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:19:56,750 INFO L481 AbstractCegarLoop]: Abstraction has 1348 states. [2021-01-26 17:19:56,750 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:19:56,750 INFO L276 IsEmpty]: Start isEmpty. Operand 1348 states. [2021-01-26 17:19:56,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-01-26 17:19:56,760 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:19:56,761 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:19:56,761 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-26 17:19:56,761 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 17:19:56,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:19:56,762 INFO L82 PathProgramCache]: Analyzing trace with hash 1720946591, now seen corresponding path program 1 times [2021-01-26 17:19:56,762 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:19:56,763 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318124690] [2021-01-26 17:19:56,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:19:56,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:19:57,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:19:57,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318124690] [2021-01-26 17:19:57,080 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:19:57,080 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-26 17:19:57,080 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117920656] [2021-01-26 17:19:57,082 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-26 17:19:57,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:19:57,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-26 17:19:57,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-26 17:19:57,083 INFO L87 Difference]: Start difference. First operand 1348 states. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:19:57,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:19:57,253 INFO L93 Difference]: Finished difference Result 1412 states and 3672 transitions. [2021-01-26 17:19:57,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-26 17:19:57,254 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2021-01-26 17:19:57,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:19:57,261 INFO L225 Difference]: With dead ends: 1412 [2021-01-26 17:19:57,261 INFO L226 Difference]: Without dead ends: 1092 [2021-01-26 17:19:57,262 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-01-26 17:19:57,262 INFO L78 Accepts]: Start accepts. Automaton has 1092 states. Word has length 55 [2021-01-26 17:19:57,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:19:57,262 INFO L481 AbstractCegarLoop]: Abstraction has 1092 states. [2021-01-26 17:19:57,263 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:19:57,263 INFO L276 IsEmpty]: Start isEmpty. Operand 1092 states. [2021-01-26 17:19:57,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-01-26 17:19:57,266 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:19:57,266 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:19:57,267 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-26 17:19:57,267 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 17:19:57,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:19:57,268 INFO L82 PathProgramCache]: Analyzing trace with hash -428064190, now seen corresponding path program 1 times [2021-01-26 17:19:57,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:19:57,268 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888097696] [2021-01-26 17:19:57,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:19:57,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:19:57,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:19:57,726 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888097696] [2021-01-26 17:19:57,726 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:19:57,726 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-01-26 17:19:57,727 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322231671] [2021-01-26 17:19:57,727 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-01-26 17:19:57,728 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:19:57,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-01-26 17:19:57,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-01-26 17:19:57,729 INFO L87 Difference]: Start difference. First operand 1092 states. Second operand has 11 states, 11 states have (on average 5.363636363636363) internal successors, (59), 11 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:19:58,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:19:58,325 INFO L93 Difference]: Finished difference Result 1236 states and 3166 transitions. [2021-01-26 17:19:58,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-01-26 17:19:58,326 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.363636363636363) internal successors, (59), 11 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2021-01-26 17:19:58,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:19:58,333 INFO L225 Difference]: With dead ends: 1236 [2021-01-26 17:19:58,333 INFO L226 Difference]: Without dead ends: 1044 [2021-01-26 17:19:58,334 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2021-01-26 17:19:58,334 INFO L78 Accepts]: Start accepts. Automaton has 1044 states. Word has length 59 [2021-01-26 17:19:58,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:19:58,335 INFO L481 AbstractCegarLoop]: Abstraction has 1044 states. [2021-01-26 17:19:58,335 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 5.363636363636363) internal successors, (59), 11 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:19:58,335 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states. [2021-01-26 17:19:58,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-01-26 17:19:58,339 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:19:58,339 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:19:58,339 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-26 17:19:58,339 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 17:19:58,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:19:58,340 INFO L82 PathProgramCache]: Analyzing trace with hash -1425133565, now seen corresponding path program 1 times [2021-01-26 17:19:58,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:19:58,341 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019291828] [2021-01-26 17:19:58,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:19:58,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:19:58,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:19:58,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019291828] [2021-01-26 17:19:58,545 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:19:58,545 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-26 17:19:58,545 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655851559] [2021-01-26 17:19:58,546 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-26 17:19:58,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:19:58,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-26 17:19:58,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-26 17:19:58,547 INFO L87 Difference]: Start difference. First operand 1044 states. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:19:58,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:19:58,712 INFO L93 Difference]: Finished difference Result 1082 states and 2685 transitions. [2021-01-26 17:19:58,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-26 17:19:58,713 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2021-01-26 17:19:58,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:19:58,718 INFO L225 Difference]: With dead ends: 1082 [2021-01-26 17:19:58,718 INFO L226 Difference]: Without dead ends: 762 [2021-01-26 17:19:58,719 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-01-26 17:19:58,719 INFO L78 Accepts]: Start accepts. Automaton has 762 states. Word has length 61 [2021-01-26 17:19:58,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:19:58,720 INFO L481 AbstractCegarLoop]: Abstraction has 762 states. [2021-01-26 17:19:58,720 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:19:58,720 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states. [2021-01-26 17:19:58,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-01-26 17:19:58,722 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:19:58,723 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:19:58,723 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-26 17:19:58,723 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 17:19:58,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:19:58,724 INFO L82 PathProgramCache]: Analyzing trace with hash 221017907, now seen corresponding path program 1 times [2021-01-26 17:19:58,724 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:19:58,724 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540043190] [2021-01-26 17:19:58,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:19:58,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:19:58,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:19:58,912 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540043190] [2021-01-26 17:19:58,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:19:58,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-26 17:19:58,913 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003216287] [2021-01-26 17:19:58,918 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-26 17:19:58,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:19:58,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-26 17:19:58,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-01-26 17:19:58,919 INFO L87 Difference]: Start difference. First operand 762 states. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:19:59,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:19:59,120 INFO L93 Difference]: Finished difference Result 534 states and 1213 transitions. [2021-01-26 17:19:59,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-01-26 17:19:59,121 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2021-01-26 17:19:59,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:19:59,124 INFO L225 Difference]: With dead ends: 534 [2021-01-26 17:19:59,124 INFO L226 Difference]: Without dead ends: 354 [2021-01-26 17:19:59,125 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2021-01-26 17:19:59,125 INFO L78 Accepts]: Start accepts. Automaton has 354 states. Word has length 62 [2021-01-26 17:19:59,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:19:59,126 INFO L481 AbstractCegarLoop]: Abstraction has 354 states. [2021-01-26 17:19:59,126 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:19:59,126 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states. [2021-01-26 17:19:59,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-01-26 17:19:59,127 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:19:59,128 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:19:59,128 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-26 17:19:59,128 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 17:19:59,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:19:59,129 INFO L82 PathProgramCache]: Analyzing trace with hash 2061736147, now seen corresponding path program 1 times [2021-01-26 17:19:59,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:19:59,129 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391894358] [2021-01-26 17:19:59,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:19:59,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:19:59,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:19:59,362 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391894358] [2021-01-26 17:19:59,363 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:19:59,363 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-26 17:19:59,363 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330175116] [2021-01-26 17:19:59,364 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-26 17:19:59,364 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:19:59,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-26 17:19:59,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-26 17:19:59,365 INFO L87 Difference]: Start difference. First operand 354 states. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:19:59,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:19:59,490 INFO L93 Difference]: Finished difference Result 504 states and 1092 transitions. [2021-01-26 17:19:59,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-26 17:19:59,491 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2021-01-26 17:19:59,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:19:59,493 INFO L225 Difference]: With dead ends: 504 [2021-01-26 17:19:59,493 INFO L226 Difference]: Without dead ends: 270 [2021-01-26 17:19:59,494 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-01-26 17:19:59,494 INFO L78 Accepts]: Start accepts. Automaton has 270 states. Word has length 67 [2021-01-26 17:19:59,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:19:59,495 INFO L481 AbstractCegarLoop]: Abstraction has 270 states. [2021-01-26 17:19:59,495 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:19:59,495 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states. [2021-01-26 17:19:59,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-01-26 17:19:59,496 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:19:59,497 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:19:59,497 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-26 17:19:59,497 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 17:19:59,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:19:59,498 INFO L82 PathProgramCache]: Analyzing trace with hash -1685441325, now seen corresponding path program 2 times [2021-01-26 17:19:59,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:19:59,498 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378735806] [2021-01-26 17:19:59,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:19:59,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:20:00,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:20:00,004 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378735806] [2021-01-26 17:20:00,004 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:20:00,004 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-01-26 17:20:00,004 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573857224] [2021-01-26 17:20:00,005 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-01-26 17:20:00,006 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:20:00,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-01-26 17:20:00,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-01-26 17:20:00,017 INFO L87 Difference]: Start difference. First operand 270 states. Second operand has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 12 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:20:00,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:20:00,397 INFO L93 Difference]: Finished difference Result 400 states and 848 transitions. [2021-01-26 17:20:00,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-01-26 17:20:00,398 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 12 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2021-01-26 17:20:00,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:20:00,400 INFO L225 Difference]: With dead ends: 400 [2021-01-26 17:20:00,400 INFO L226 Difference]: Without dead ends: 246 [2021-01-26 17:20:00,401 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2021-01-26 17:20:00,405 INFO L78 Accepts]: Start accepts. Automaton has 246 states. Word has length 67 [2021-01-26 17:20:00,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:20:00,405 INFO L481 AbstractCegarLoop]: Abstraction has 246 states. [2021-01-26 17:20:00,405 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 12 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-26 17:20:00,405 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states. [2021-01-26 17:20:00,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-01-26 17:20:00,407 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:20:00,407 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-26 17:20:00,407 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-26 17:20:00,408 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 17:20:00,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:20:00,408 INFO L82 PathProgramCache]: Analyzing trace with hash 449090771, now seen corresponding path program 3 times [2021-01-26 17:20:00,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:20:00,409 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92108766] [2021-01-26 17:20:00,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:20:00,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-26 17:20:00,496 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-26 17:20:00,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-26 17:20:00,579 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-26 17:20:00,641 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-26 17:20:00,642 INFO L605 BasicCegarLoop]: Counterexample might be feasible [2021-01-26 17:20:00,644 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-26 17:20:00,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.01 05:20:00 BasicIcfg [2021-01-26 17:20:00,825 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-26 17:20:00,828 INFO L168 Benchmark]: Toolchain (without parser) took 8678.58 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 276.7 MB in the beginning and 198.9 MB in the end (delta: 77.9 MB). Peak memory consumption was 141.4 MB. Max. memory is 16.0 GB. [2021-01-26 17:20:00,830 INFO L168 Benchmark]: CDTParser took 0.76 ms. Allocated memory is still 302.0 MB. Free memory is still 272.1 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-01-26 17:20:00,831 INFO L168 Benchmark]: CACSL2BoogieTranslator took 881.83 ms. Allocated memory is still 302.0 MB. Free memory was 275.7 MB in the beginning and 283.8 MB in the end (delta: -8.0 MB). Peak memory consumption was 39.7 MB. Max. memory is 16.0 GB. [2021-01-26 17:20:00,834 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.13 ms. Allocated memory is still 302.0 MB. Free memory was 283.8 MB in the beginning and 280.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-01-26 17:20:00,835 INFO L168 Benchmark]: Boogie Preprocessor took 43.52 ms. Allocated memory is still 302.0 MB. Free memory was 280.6 MB in the beginning and 278.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-26 17:20:00,836 INFO L168 Benchmark]: RCFGBuilder took 2659.60 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 278.5 MB in the beginning and 306.0 MB in the end (delta: -27.5 MB). Peak memory consumption was 173.8 MB. Max. memory is 16.0 GB. [2021-01-26 17:20:00,838 INFO L168 Benchmark]: TraceAbstraction took 4982.06 ms. Allocated memory is still 362.8 MB. Free memory was 305.0 MB in the beginning and 198.9 MB in the end (delta: 106.1 MB). Peak memory consumption was 106.1 MB. Max. memory is 16.0 GB. [2021-01-26 17:20:00,849 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76 ms. Allocated memory is still 302.0 MB. Free memory is still 272.1 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 881.83 ms. Allocated memory is still 302.0 MB. Free memory was 275.7 MB in the beginning and 283.8 MB in the end (delta: -8.0 MB). Peak memory consumption was 39.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 91.13 ms. Allocated memory is still 302.0 MB. Free memory was 283.8 MB in the beginning and 280.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 43.52 ms. Allocated memory is still 302.0 MB. Free memory was 280.6 MB in the beginning and 278.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2659.60 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 278.5 MB in the beginning and 306.0 MB in the end (delta: -27.5 MB). Peak memory consumption was 173.8 MB. Max. memory is 16.0 GB. * TraceAbstraction took 4982.06 ms. Allocated memory is still 362.8 MB. Free memory was 305.0 MB in the beginning and 198.9 MB in the end (delta: 106.1 MB). Peak memory consumption was 106.1 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 17]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L708] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L710] 0 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0] [L712] 0 int __unbuffered_p1_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0] [L713] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0] [L714] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L716] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L718] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L719] 0 _Bool y$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0] [L720] 0 int y$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0] [L721] 0 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0] [L722] 0 _Bool y$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0] [L723] 0 _Bool y$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0] [L724] 0 _Bool y$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=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_buff1_thd0=0] [L725] 0 _Bool y$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0] [L726] 0 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0] [L727] 0 _Bool y$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=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_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0] [L728] 0 int *y$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=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_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}] [L729] 0 int y$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0] [L730] 0 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0] [L731] 0 int y$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=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_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0] [L732] 0 _Bool y$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=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_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=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] [L734] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=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_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=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] [L735] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=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_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=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] [L736] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L802] 0 pthread_t t1607; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L803] FCALL, FORK 0 pthread_create(&t1607, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L804] 0 pthread_t t1608; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L805] FCALL, FORK 0 pthread_create(&t1608, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L760] 2 y$w_buff1 = y$w_buff0 [L761] 2 y$w_buff0 = 2 [L762] 2 y$w_buff1_used = y$w_buff0_used [L763] 2 y$w_buff0_used = (_Bool)1 [L18] COND FALSE 2 !(!expression) [L765] 2 y$r_buff1_thd0 = y$r_buff0_thd0 [L766] 2 y$r_buff1_thd1 = y$r_buff0_thd1 [L767] 2 y$r_buff1_thd2 = y$r_buff0_thd2 [L768] 2 y$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L771] 2 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L774] 2 __unbuffered_p1_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L777] 2 __unbuffered_p1_EBX = x VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L740] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L743] 1 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L780] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L780] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L781] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L781] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L782] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L782] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L783] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L783] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L784] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L784] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L787] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L746] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L746] EXPR 1 y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y [L746] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L746] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L747] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L747] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L748] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L748] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L749] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L749] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L750] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L750] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L753] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L807] 0 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L3] COND FALSE 0 !(!cond) VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L811] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L811] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L811] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L811] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L812] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L812] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L813] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L813] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L814] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L814] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L815] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L815] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L818] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L819] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L820] 0 y$flush_delayed = weak$$choice2 [L821] 0 y$mem_tmp = y [L822] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L822] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L823] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L823] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L824] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L824] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L825] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L825] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L826] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L826] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L827] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L827] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L828] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L828] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L829] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0) [L830] EXPR 0 y$flush_delayed ? y$mem_tmp : y [L830] 0 y = y$flush_delayed ? y$mem_tmp : y [L831] 0 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=1, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L18] COND TRUE 0 !expression VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=1, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L17] COND FALSE 0 !(0) VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=1, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L17] 0 __assert_fail ("0", "rfi001_pso.opt.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=1, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 86 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.6s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 666 SDtfs, 894 SDslu, 2253 SDs, 0 SdLazy, 278 SolverSat, 68 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 84 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2444occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 480 NumberOfCodeBlocks, 480 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 406 ConstructedInterpolants, 0 QuantifiedInterpolants, 105392 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...