/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/mix041_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-e5469eb [2021-01-20 14:19:07,592 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-20 14:19:07,595 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-20 14:19:07,652 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-20 14:19:07,652 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-20 14:19:07,655 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-20 14:19:07,657 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-20 14:19:07,664 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-20 14:19:07,667 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-20 14:19:07,670 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-20 14:19:07,671 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-20 14:19:07,674 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-20 14:19:07,674 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-20 14:19:07,680 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-20 14:19:07,681 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-20 14:19:07,683 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-20 14:19:07,686 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-20 14:19:07,687 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-20 14:19:07,693 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-20 14:19:07,701 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-20 14:19:07,703 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-20 14:19:07,707 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-20 14:19:07,708 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-20 14:19:07,710 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-20 14:19:07,717 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-20 14:19:07,718 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-20 14:19:07,718 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-20 14:19:07,719 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-20 14:19:07,720 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-20 14:19:07,721 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-20 14:19:07,722 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-20 14:19:07,723 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-20 14:19:07,724 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-20 14:19:07,726 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-20 14:19:07,727 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-20 14:19:07,727 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-20 14:19:07,728 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-20 14:19:07,728 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-20 14:19:07,728 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-20 14:19:07,729 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-20 14:19:07,730 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-20 14:19:07,731 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 [2021-01-20 14:19:07,787 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-20 14:19:07,787 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-20 14:19:07,791 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-20 14:19:07,791 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-20 14:19:07,791 INFO L138 SettingsManager]: * Use SBE=true [2021-01-20 14:19:07,791 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-20 14:19:07,792 INFO L138 SettingsManager]: * sizeof long=4 [2021-01-20 14:19:07,792 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-20 14:19:07,792 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-01-20 14:19:07,792 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-20 14:19:07,793 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-20 14:19:07,793 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-20 14:19:07,794 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-20 14:19:07,794 INFO L138 SettingsManager]: * sizeof long double=12 [2021-01-20 14:19:07,794 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-20 14:19:07,794 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-20 14:19:07,794 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-20 14:19:07,795 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-20 14:19:07,795 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-20 14:19:07,795 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-01-20 14:19:07,795 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-20 14:19:07,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-20 14:19:07,796 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-20 14:19:07,796 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-20 14:19:07,796 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-20 14:19:07,796 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-20 14:19:07,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-20 14:19:07,797 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-01-20 14:19:07,797 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-20 14:19:07,797 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2021-01-20 14:19:07,797 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-20 14:19:08,206 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-20 14:19:08,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-20 14:19:08,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-20 14:19:08,241 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-20 14:19:08,242 INFO L275 PluginConnector]: CDTParser initialized [2021-01-20 14:19:08,243 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix041_tso.oepc.i [2021-01-20 14:19:08,315 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d5cf8839/a5f780d978194a1a87206cc8da8d99e4/FLAGe0afcf6ac [2021-01-20 14:19:08,933 INFO L306 CDTParser]: Found 1 translation units. [2021-01-20 14:19:08,934 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix041_tso.oepc.i [2021-01-20 14:19:08,953 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d5cf8839/a5f780d978194a1a87206cc8da8d99e4/FLAGe0afcf6ac [2021-01-20 14:19:09,241 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d5cf8839/a5f780d978194a1a87206cc8da8d99e4 [2021-01-20 14:19:09,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-20 14:19:09,248 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-01-20 14:19:09,252 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-20 14:19:09,252 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-20 14:19:09,259 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-20 14:19:09,261 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.01 02:19:09" (1/1) ... [2021-01-20 14:19:09,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c137e52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 02:19:09, skipping insertion in model container [2021-01-20 14:19:09,269 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.01 02:19:09" (1/1) ... [2021-01-20 14:19:09,278 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-20 14:19:09,353 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-20 14:19:09,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-20 14:19:09,834 INFO L203 MainTranslator]: Completed pre-run [2021-01-20 14:19:09,932 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-20 14:19:10,065 INFO L208 MainTranslator]: Completed translation [2021-01-20 14:19:10,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 02:19:10 WrapperNode [2021-01-20 14:19:10,067 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-20 14:19:10,069 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-20 14:19:10,069 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-20 14:19:10,069 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-20 14:19:10,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 02:19:10" (1/1) ... [2021-01-20 14:19:10,096 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 02:19:10" (1/1) ... [2021-01-20 14:19:10,145 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-20 14:19:10,146 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-20 14:19:10,146 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-20 14:19:10,146 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-20 14:19:10,160 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 02:19:10" (1/1) ... [2021-01-20 14:19:10,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 02:19:10" (1/1) ... [2021-01-20 14:19:10,171 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 02:19:10" (1/1) ... [2021-01-20 14:19:10,172 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 02:19:10" (1/1) ... [2021-01-20 14:19:10,196 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 02:19:10" (1/1) ... [2021-01-20 14:19:10,206 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 02:19:10" (1/1) ... [2021-01-20 14:19:10,215 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 02:19:10" (1/1) ... [2021-01-20 14:19:10,224 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-20 14:19:10,229 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-20 14:19:10,229 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-20 14:19:10,230 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-20 14:19:10,231 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 02:19:10" (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 [2021-01-20 14:19:10,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-20 14:19:10,308 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-01-20 14:19:10,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-20 14:19:10,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-20 14:19:10,309 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-01-20 14:19:10,309 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-01-20 14:19:10,309 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-01-20 14:19:10,309 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-01-20 14:19:10,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-20 14:19:10,310 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-01-20 14:19:10,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-20 14:19:10,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-20 14:19:10,312 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-01-20 14:19:12,273 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-20 14:19:12,273 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2021-01-20 14:19:12,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 02:19:12 BoogieIcfgContainer [2021-01-20 14:19:12,275 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-20 14:19:12,277 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-20 14:19:12,277 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-20 14:19:12,280 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-20 14:19:12,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.01 02:19:09" (1/3) ... [2021-01-20 14:19:12,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46fd60fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.01 02:19:12, skipping insertion in model container [2021-01-20 14:19:12,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 02:19:10" (2/3) ... [2021-01-20 14:19:12,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46fd60fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.01 02:19:12, skipping insertion in model container [2021-01-20 14:19:12,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 02:19:12" (3/3) ... [2021-01-20 14:19:12,284 INFO L111 eAbstractionObserver]: Analyzing ICFG mix041_tso.oepc.i [2021-01-20 14:19:12,299 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-20 14:19:12,299 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-20 14:19:12,303 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-01-20 14:19:12,304 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-20 14:19:12,333 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,334 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,334 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,334 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,334 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,334 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,335 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,335 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,336 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,336 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,336 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,336 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,336 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,336 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,337 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,337 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,337 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,337 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,338 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,338 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,338 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,338 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,339 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,339 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,339 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,339 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,340 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,340 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,340 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,340 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,340 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,340 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,341 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,341 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,341 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,341 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,341 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,342 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,342 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,342 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,342 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,342 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,343 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,343 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,343 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,343 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,343 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,343 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,344 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,344 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,344 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,344 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,344 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,344 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,345 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,345 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,345 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,345 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,345 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,346 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,346 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,346 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,346 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,347 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,347 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,347 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,347 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,347 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,348 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,348 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,348 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,348 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,350 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,351 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,351 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,351 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,351 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,351 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,351 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,352 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,352 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,352 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,355 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,356 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,356 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,356 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,356 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,357 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,357 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,357 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,357 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,357 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,357 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,358 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,358 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,358 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:19:12,359 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-01-20 14:19:12,372 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-01-20 14:19:12,394 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-20 14:19:12,394 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-20 14:19:12,394 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-20 14:19:12,394 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-20 14:19:12,395 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-20 14:19:12,395 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-20 14:19:12,395 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-20 14:19:12,395 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-20 14:19:12,406 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 92 places, 88 transitions, 186 flow [2021-01-20 14:19:12,529 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) [2021-01-20 14:19:12,539 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) [2021-01-20 14:19:12,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-01-20 14:19:12,548 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 14:19:12,548 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] [2021-01-20 14:19:12,549 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 14:19:12,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 14:19:12,555 INFO L82 PathProgramCache]: Analyzing trace with hash 936875086, now seen corresponding path program 1 times [2021-01-20 14:19:12,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 14:19:12,565 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744461180] [2021-01-20 14:19:12,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 14:19:12,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 14:19:12,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 14:19:12,841 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744461180] [2021-01-20 14:19:12,842 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 14:19:12,842 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-20 14:19:12,843 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301047041] [2021-01-20 14:19:12,847 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-20 14:19:12,848 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 14:19:12,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-20 14:19:12,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-20 14:19:12,873 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) [2021-01-20 14:19:12,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 14:19:12,982 INFO L93 Difference]: Finished difference Result 2068 states and 5566 transitions. [2021-01-20 14:19:12,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-20 14:19:12,984 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 [2021-01-20 14:19:12,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 14:19:13,009 INFO L225 Difference]: With dead ends: 2068 [2021-01-20 14:19:13,009 INFO L226 Difference]: Without dead ends: 1348 [2021-01-20 14:19:13,010 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 [2021-01-20 14:19:13,011 INFO L78 Accepts]: Start accepts. Automaton has 1348 states. Word has length 42 [2021-01-20 14:19:13,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 14:19:13,012 INFO L481 AbstractCegarLoop]: Abstraction has 1348 states. [2021-01-20 14:19:13,012 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) [2021-01-20 14:19:13,012 INFO L276 IsEmpty]: Start isEmpty. Operand 1348 states. [2021-01-20 14:19:13,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-01-20 14:19:13,023 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 14:19:13,023 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] [2021-01-20 14:19:13,024 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-20 14:19:13,024 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 14:19:13,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 14:19:13,025 INFO L82 PathProgramCache]: Analyzing trace with hash -1739710768, now seen corresponding path program 1 times [2021-01-20 14:19:13,025 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 14:19:13,025 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237944021] [2021-01-20 14:19:13,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 14:19:13,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 14:19:13,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 14:19:13,415 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237944021] [2021-01-20 14:19:13,415 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 14:19:13,415 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-20 14:19:13,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886766439] [2021-01-20 14:19:13,417 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-20 14:19:13,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 14:19:13,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-20 14:19:13,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-20 14:19:13,419 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) [2021-01-20 14:19:13,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 14:19:13,557 INFO L93 Difference]: Finished difference Result 1412 states and 3672 transitions. [2021-01-20 14:19:13,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-20 14:19:13,558 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 [2021-01-20 14:19:13,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 14:19:13,565 INFO L225 Difference]: With dead ends: 1412 [2021-01-20 14:19:13,566 INFO L226 Difference]: Without dead ends: 1092 [2021-01-20 14:19:13,567 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 [2021-01-20 14:19:13,567 INFO L78 Accepts]: Start accepts. Automaton has 1092 states. Word has length 55 [2021-01-20 14:19:13,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 14:19:13,568 INFO L481 AbstractCegarLoop]: Abstraction has 1092 states. [2021-01-20 14:19:13,568 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) [2021-01-20 14:19:13,568 INFO L276 IsEmpty]: Start isEmpty. Operand 1092 states. [2021-01-20 14:19:13,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-01-20 14:19:13,571 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 14:19:13,572 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] [2021-01-20 14:19:13,572 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-20 14:19:13,572 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 14:19:13,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 14:19:13,573 INFO L82 PathProgramCache]: Analyzing trace with hash -1928736525, now seen corresponding path program 1 times [2021-01-20 14:19:13,573 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 14:19:13,573 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868189119] [2021-01-20 14:19:13,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 14:19:13,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 14:19:14,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 14:19:14,083 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868189119] [2021-01-20 14:19:14,083 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 14:19:14,083 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-01-20 14:19:14,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277026722] [2021-01-20 14:19:14,084 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-20 14:19:14,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 14:19:14,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-20 14:19:14,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-01-20 14:19:14,086 INFO L87 Difference]: Start difference. First operand 1092 states. Second operand has 10 states, 10 states have (on average 5.9) internal successors, (59), 10 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) [2021-01-20 14:19:14,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 14:19:14,403 INFO L93 Difference]: Finished difference Result 1236 states and 3166 transitions. [2021-01-20 14:19:14,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-01-20 14:19:14,404 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 10 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 [2021-01-20 14:19:14,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 14:19:14,411 INFO L225 Difference]: With dead ends: 1236 [2021-01-20 14:19:14,411 INFO L226 Difference]: Without dead ends: 1044 [2021-01-20 14:19:14,412 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2021-01-20 14:19:14,412 INFO L78 Accepts]: Start accepts. Automaton has 1044 states. Word has length 59 [2021-01-20 14:19:14,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 14:19:14,413 INFO L481 AbstractCegarLoop]: Abstraction has 1044 states. [2021-01-20 14:19:14,413 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 10 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) [2021-01-20 14:19:14,413 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states. [2021-01-20 14:19:14,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-01-20 14:19:14,417 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 14:19:14,417 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] [2021-01-20 14:19:14,417 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-20 14:19:14,417 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 14:19:14,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 14:19:14,418 INFO L82 PathProgramCache]: Analyzing trace with hash -462236044, now seen corresponding path program 1 times [2021-01-20 14:19:14,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 14:19:14,419 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724755362] [2021-01-20 14:19:14,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 14:19:14,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 14:19:14,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 14:19:14,647 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724755362] [2021-01-20 14:19:14,648 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 14:19:14,648 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-20 14:19:14,648 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840194660] [2021-01-20 14:19:14,648 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-20 14:19:14,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 14:19:14,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-20 14:19:14,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-20 14:19:14,650 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) [2021-01-20 14:19:14,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 14:19:14,769 INFO L93 Difference]: Finished difference Result 1082 states and 2685 transitions. [2021-01-20 14:19:14,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-20 14:19:14,770 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 [2021-01-20 14:19:14,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 14:19:14,775 INFO L225 Difference]: With dead ends: 1082 [2021-01-20 14:19:14,775 INFO L226 Difference]: Without dead ends: 762 [2021-01-20 14:19:14,776 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 [2021-01-20 14:19:14,776 INFO L78 Accepts]: Start accepts. Automaton has 762 states. Word has length 61 [2021-01-20 14:19:14,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 14:19:14,776 INFO L481 AbstractCegarLoop]: Abstraction has 762 states. [2021-01-20 14:19:14,777 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) [2021-01-20 14:19:14,777 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states. [2021-01-20 14:19:14,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-01-20 14:19:14,779 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 14:19:14,779 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] [2021-01-20 14:19:14,780 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-20 14:19:14,780 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 14:19:14,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 14:19:14,781 INFO L82 PathProgramCache]: Analyzing trace with hash 1555893188, now seen corresponding path program 1 times [2021-01-20 14:19:14,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 14:19:14,781 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893553795] [2021-01-20 14:19:14,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 14:19:14,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 14:19:14,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 14:19:14,972 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893553795] [2021-01-20 14:19:14,972 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 14:19:14,972 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-20 14:19:14,972 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474631772] [2021-01-20 14:19:14,973 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-20 14:19:14,973 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 14:19:14,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-20 14:19:14,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-01-20 14:19:14,974 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) [2021-01-20 14:19:15,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 14:19:15,106 INFO L93 Difference]: Finished difference Result 534 states and 1213 transitions. [2021-01-20 14:19:15,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-01-20 14:19:15,107 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 [2021-01-20 14:19:15,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 14:19:15,109 INFO L225 Difference]: With dead ends: 534 [2021-01-20 14:19:15,110 INFO L226 Difference]: Without dead ends: 354 [2021-01-20 14:19:15,110 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 [2021-01-20 14:19:15,110 INFO L78 Accepts]: Start accepts. Automaton has 354 states. Word has length 62 [2021-01-20 14:19:15,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 14:19:15,111 INFO L481 AbstractCegarLoop]: Abstraction has 354 states. [2021-01-20 14:19:15,111 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) [2021-01-20 14:19:15,111 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states. [2021-01-20 14:19:15,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-01-20 14:19:15,113 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 14:19:15,113 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] [2021-01-20 14:19:15,113 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-20 14:19:15,113 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 14:19:15,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 14:19:15,114 INFO L82 PathProgramCache]: Analyzing trace with hash 39552550, now seen corresponding path program 1 times [2021-01-20 14:19:15,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 14:19:15,114 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461190085] [2021-01-20 14:19:15,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 14:19:15,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 14:19:15,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 14:19:15,377 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461190085] [2021-01-20 14:19:15,377 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 14:19:15,378 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-20 14:19:15,378 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304130745] [2021-01-20 14:19:15,378 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-20 14:19:15,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 14:19:15,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-20 14:19:15,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-20 14:19:15,379 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) [2021-01-20 14:19:15,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 14:19:15,486 INFO L93 Difference]: Finished difference Result 504 states and 1092 transitions. [2021-01-20 14:19:15,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-20 14:19:15,487 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 [2021-01-20 14:19:15,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 14:19:15,492 INFO L225 Difference]: With dead ends: 504 [2021-01-20 14:19:15,492 INFO L226 Difference]: Without dead ends: 270 [2021-01-20 14:19:15,493 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 [2021-01-20 14:19:15,493 INFO L78 Accepts]: Start accepts. Automaton has 270 states. Word has length 67 [2021-01-20 14:19:15,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 14:19:15,493 INFO L481 AbstractCegarLoop]: Abstraction has 270 states. [2021-01-20 14:19:15,494 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) [2021-01-20 14:19:15,494 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states. [2021-01-20 14:19:15,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-01-20 14:19:15,495 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 14:19:15,496 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] [2021-01-20 14:19:15,496 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-20 14:19:15,496 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 14:19:15,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 14:19:15,497 INFO L82 PathProgramCache]: Analyzing trace with hash -1481733722, now seen corresponding path program 2 times [2021-01-20 14:19:15,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 14:19:15,497 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668540135] [2021-01-20 14:19:15,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 14:19:15,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 14:19:15,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 14:19:15,895 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668540135] [2021-01-20 14:19:15,895 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 14:19:15,895 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-01-20 14:19:15,895 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675819653] [2021-01-20 14:19:15,896 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-01-20 14:19:15,896 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 14:19:15,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-01-20 14:19:15,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-01-20 14:19:15,908 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) [2021-01-20 14:19:16,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 14:19:16,213 INFO L93 Difference]: Finished difference Result 400 states and 848 transitions. [2021-01-20 14:19:16,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-01-20 14:19:16,215 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 [2021-01-20 14:19:16,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 14:19:16,218 INFO L225 Difference]: With dead ends: 400 [2021-01-20 14:19:16,218 INFO L226 Difference]: Without dead ends: 246 [2021-01-20 14:19:16,218 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2021-01-20 14:19:16,218 INFO L78 Accepts]: Start accepts. Automaton has 246 states. Word has length 67 [2021-01-20 14:19:16,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 14:19:16,219 INFO L481 AbstractCegarLoop]: Abstraction has 246 states. [2021-01-20 14:19:16,219 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) [2021-01-20 14:19:16,219 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states. [2021-01-20 14:19:16,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-01-20 14:19:16,220 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 14:19:16,221 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] [2021-01-20 14:19:16,221 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-20 14:19:16,223 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 14:19:16,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 14:19:16,224 INFO L82 PathProgramCache]: Analyzing trace with hash 652798374, now seen corresponding path program 3 times [2021-01-20 14:19:16,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 14:19:16,225 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541670828] [2021-01-20 14:19:16,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 14:19:16,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-20 14:19:16,290 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-20 14:19:16,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-20 14:19:16,353 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-20 14:19:16,416 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-20 14:19:16,416 INFO L605 BasicCegarLoop]: Counterexample might be feasible [2021-01-20 14:19:16,419 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-20 14:19:16,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.01 02:19:16 BasicIcfg [2021-01-20 14:19:16,599 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-20 14:19:16,601 INFO L168 Benchmark]: Toolchain (without parser) took 7352.77 ms. Allocated memory was 302.0 MB in the beginning and 396.4 MB in the end (delta: 94.4 MB). Free memory was 275.9 MB in the beginning and 199.6 MB in the end (delta: 76.4 MB). Peak memory consumption was 173.0 MB. Max. memory is 16.0 GB. [2021-01-20 14:19:16,602 INFO L168 Benchmark]: CDTParser took 0.72 ms. Allocated memory is still 302.0 MB. Free memory was 272.6 MB in the beginning and 272.6 MB in the end (delta: 75.5 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-01-20 14:19:16,605 INFO L168 Benchmark]: CACSL2BoogieTranslator took 815.03 ms. Allocated memory is still 302.0 MB. Free memory was 275.7 MB in the beginning and 272.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 28.5 MB. Max. memory is 16.0 GB. [2021-01-20 14:19:16,606 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.67 ms. Allocated memory is still 302.0 MB. Free memory was 272.8 MB in the beginning and 269.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-20 14:19:16,607 INFO L168 Benchmark]: Boogie Preprocessor took 78.51 ms. Allocated memory is still 302.0 MB. Free memory was 269.6 MB in the beginning and 267.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-20 14:19:16,608 INFO L168 Benchmark]: RCFGBuilder took 2046.25 ms. Allocated memory is still 302.0 MB. Free memory was 267.5 MB in the beginning and 236.6 MB in the end (delta: 30.9 MB). Peak memory consumption was 165.1 MB. Max. memory is 16.0 GB. [2021-01-20 14:19:16,608 INFO L168 Benchmark]: TraceAbstraction took 4321.78 ms. Allocated memory was 302.0 MB in the beginning and 396.4 MB in the end (delta: 94.4 MB). Free memory was 235.6 MB in the beginning and 199.6 MB in the end (delta: 36.0 MB). Peak memory consumption was 130.4 MB. Max. memory is 16.0 GB. [2021-01-20 14:19:16,621 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72 ms. Allocated memory is still 302.0 MB. Free memory was 272.6 MB in the beginning and 272.6 MB in the end (delta: 75.5 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 815.03 ms. Allocated memory is still 302.0 MB. Free memory was 275.7 MB in the beginning and 272.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 28.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 76.67 ms. Allocated memory is still 302.0 MB. Free memory was 272.8 MB in the beginning and 269.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 78.51 ms. Allocated memory is still 302.0 MB. Free memory was 269.6 MB in the beginning and 267.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2046.25 ms. Allocated memory is still 302.0 MB. Free memory was 267.5 MB in the beginning and 236.6 MB in the end (delta: 30.9 MB). Peak memory consumption was 165.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 4321.78 ms. Allocated memory was 302.0 MB in the beginning and 396.4 MB in the end (delta: 94.4 MB). Free memory was 235.6 MB in the beginning and 199.6 MB in the end (delta: 36.0 MB). Peak memory consumption was 130.4 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$tmp_guard1=0, x=0] [L717] 0 _Bool x$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0] [L718] 0 int x$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0] [L719] 0 _Bool x$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0] [L720] 0 _Bool x$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0] [L721] 0 _Bool x$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, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0] [L722] 0 _Bool x$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, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0] [L723] 0 _Bool x$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0] [L724] 0 _Bool x$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0] [L725] 0 _Bool x$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0] [L726] 0 int *x$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, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}] [L727] 0 int x$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0] [L728] 0 _Bool x$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0] [L729] 0 int x$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0] [L730] 0 _Bool x$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, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0] [L732] 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, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=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, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=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, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=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$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L802] 0 pthread_t t1101; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L803] FCALL, FORK 0 pthread_create(&t1101, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L804] 0 pthread_t t1102; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L805] FCALL, FORK 0 pthread_create(&t1102, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L760] 2 x$w_buff1 = x$w_buff0 [L761] 2 x$w_buff0 = 2 [L762] 2 x$w_buff1_used = x$w_buff0_used [L763] 2 x$w_buff0_used = (_Bool)1 [L18] COND FALSE 2 !(!expression) [L765] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L766] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L767] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L768] 2 x$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L771] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L774] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L777] 2 __unbuffered_p1_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L740] 1 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L743] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L780] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L780] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L781] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L781] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L782] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L782] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L783] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L783] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L784] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L784] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L787] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L746] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L746] EXPR 1 x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x [L746] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L746] 1 x = x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L747] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L747] 1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L748] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L748] 1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L749] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L749] 1 x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L750] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L750] 1 x$r_buff1_thd1 = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L753] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L807] 0 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L3] COND FALSE 0 !(!cond) VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L811] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L811] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L811] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L811] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L812] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L812] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L813] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L813] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L814] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L814] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L815] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L815] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L818] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L819] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L820] 0 x$flush_delayed = weak$$choice2 [L821] 0 x$mem_tmp = x [L822] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L822] 0 x = !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L823] EXPR 0 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L823] 0 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L824] EXPR 0 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L824] 0 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L825] EXPR 0 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L825] 0 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L826] EXPR 0 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L826] 0 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L827] EXPR 0 weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L827] 0 x$r_buff0_thd0 = weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L828] EXPR 0 weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L828] 0 x$r_buff1_thd0 = weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L829] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0) [L830] EXPR 0 x$flush_delayed ? x$mem_tmp : x [L830] 0 x = x$flush_delayed ? x$mem_tmp : x [L831] 0 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, 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=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, 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=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L17] 0 __assert_fail ("0", "mix041_tso.oepc.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=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 86 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.0s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 666 SDtfs, 884 SDslu, 2150 SDs, 0 SdLazy, 258 SolverSat, 69 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 84 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 1.1s 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, 0.6s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 480 NumberOfCodeBlocks, 480 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 406 ConstructedInterpolants, 0 QuantifiedInterpolants, 102930 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...