/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-keepdead.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix054_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-aa1e80b [2020-12-17 23:31:15,399 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-17 23:31:15,402 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-17 23:31:15,438 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-17 23:31:15,439 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-17 23:31:15,440 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-17 23:31:15,442 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-17 23:31:15,444 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-17 23:31:15,446 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-17 23:31:15,447 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-17 23:31:15,449 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-17 23:31:15,450 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-17 23:31:15,451 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-17 23:31:15,452 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-17 23:31:15,454 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-17 23:31:15,455 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-17 23:31:15,456 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-17 23:31:15,457 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-17 23:31:15,459 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-17 23:31:15,462 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-17 23:31:15,464 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-17 23:31:15,465 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-17 23:31:15,467 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-17 23:31:15,468 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-17 23:31:15,471 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-17 23:31:15,475 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-17 23:31:15,476 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-17 23:31:15,480 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-17 23:31:15,481 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-17 23:31:15,485 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-17 23:31:15,486 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-17 23:31:15,487 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-17 23:31:15,487 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-17 23:31:15,487 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-17 23:31:15,491 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-17 23:31:15,492 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-17 23:31:15,494 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-keepdead.epf [2020-12-17 23:31:15,549 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-17 23:31:15,550 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-17 23:31:15,552 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-17 23:31:15,553 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-17 23:31:15,553 INFO L138 SettingsManager]: * Use SBE=true [2020-12-17 23:31:15,554 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-17 23:31:15,554 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-17 23:31:15,555 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-17 23:31:15,555 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-17 23:31:15,555 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-17 23:31:15,556 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-17 23:31:15,556 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-17 23:31:15,558 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-17 23:31:15,558 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-17 23:31:15,558 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-17 23:31:15,558 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-17 23:31:15,559 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-17 23:31:15,559 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-17 23:31:15,559 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-17 23:31:15,560 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-17 23:31:15,560 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-17 23:31:15,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-17 23:31:15,560 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-17 23:31:15,561 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-17 23:31:15,561 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-17 23:31:15,561 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-17 23:31:15,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-17 23:31:15,562 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-12-17 23:31:15,562 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-17 23:31:15,562 INFO L138 SettingsManager]: * Remove dead ends from automaton=false [2020-12-17 23:31:15,562 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2020-12-17 23:31:15,563 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-17 23:31:16,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-17 23:31:16,056 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-17 23:31:16,059 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-17 23:31:16,060 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-17 23:31:16,061 INFO L275 PluginConnector]: CDTParser initialized [2020-12-17 23:31:16,063 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix054_tso.opt.i [2020-12-17 23:31:16,148 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40a46b897/7ad74e091a504ec8bdc390d88d882384/FLAGdb899e648 [2020-12-17 23:31:16,833 INFO L306 CDTParser]: Found 1 translation units. [2020-12-17 23:31:16,834 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix054_tso.opt.i [2020-12-17 23:31:16,856 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40a46b897/7ad74e091a504ec8bdc390d88d882384/FLAGdb899e648 [2020-12-17 23:31:17,131 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40a46b897/7ad74e091a504ec8bdc390d88d882384 [2020-12-17 23:31:17,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-17 23:31:17,138 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-12-17 23:31:17,142 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-17 23:31:17,142 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-17 23:31:17,147 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-17 23:31:17,149 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 11:31:17" (1/1) ... [2020-12-17 23:31:17,154 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 17.12 11:31:17, skipping insertion in model container [2020-12-17 23:31:17,154 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 11:31:17" (1/1) ... [2020-12-17 23:31:17,164 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-17 23:31:17,256 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-17 23:31:17,734 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-17 23:31:17,744 INFO L203 MainTranslator]: Completed pre-run [2020-12-17 23:31:17,836 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-17 23:31:17,967 INFO L208 MainTranslator]: Completed translation [2020-12-17 23:31:17,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:31:17 WrapperNode [2020-12-17 23:31:17,969 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-17 23:31:17,971 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-17 23:31:17,971 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-17 23:31:17,974 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-17 23:31:17,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:31:17" (1/1) ... [2020-12-17 23:31:18,034 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:31:17" (1/1) ... [2020-12-17 23:31:18,070 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-17 23:31:18,071 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-17 23:31:18,071 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-17 23:31:18,071 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-17 23:31:18,081 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:31:17" (1/1) ... [2020-12-17 23:31:18,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:31:17" (1/1) ... [2020-12-17 23:31:18,086 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:31:17" (1/1) ... [2020-12-17 23:31:18,087 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:31:17" (1/1) ... [2020-12-17 23:31:18,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:31:17" (1/1) ... [2020-12-17 23:31:18,105 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:31:17" (1/1) ... [2020-12-17 23:31:18,109 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:31:17" (1/1) ... [2020-12-17 23:31:18,115 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-17 23:31:18,116 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-17 23:31:18,116 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-17 23:31:18,117 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-17 23:31:18,117 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:31:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-17 23:31:18,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-17 23:31:18,215 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-12-17 23:31:18,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-17 23:31:18,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-17 23:31:18,218 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-12-17 23:31:18,219 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-12-17 23:31:18,219 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-12-17 23:31:18,220 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-12-17 23:31:18,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-17 23:31:18,221 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-12-17 23:31:18,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-17 23:31:18,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-17 23:31:18,225 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-12-17 23:31:20,292 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-17 23:31:20,292 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-12-17 23:31:20,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 11:31:20 BoogieIcfgContainer [2020-12-17 23:31:20,295 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-17 23:31:20,299 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-17 23:31:20,299 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-17 23:31:20,303 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-17 23:31:20,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 11:31:17" (1/3) ... [2020-12-17 23:31:20,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79d1998a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 11:31:20, skipping insertion in model container [2020-12-17 23:31:20,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 11:31:17" (2/3) ... [2020-12-17 23:31:20,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79d1998a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 11:31:20, skipping insertion in model container [2020-12-17 23:31:20,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 11:31:20" (3/3) ... [2020-12-17 23:31:20,308 INFO L111 eAbstractionObserver]: Analyzing ICFG mix054_tso.opt.i [2020-12-17 23:31:20,326 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-12-17 23:31:20,327 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-17 23:31:20,331 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-12-17 23:31:20,332 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-12-17 23:31:20,380 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,381 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,381 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,381 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,381 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,381 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,382 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,382 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,382 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,382 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,382 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,383 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,383 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,383 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,383 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,384 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,384 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,384 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,384 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,384 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,385 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,385 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,385 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,386 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,386 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,386 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,387 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,388 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,388 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,388 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,388 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,388 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,388 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,389 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,389 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,390 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,390 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,390 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,390 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,391 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,391 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,391 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,391 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,391 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,392 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,392 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,392 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,392 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,392 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,392 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,393 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,393 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,393 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,393 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,393 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,394 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,394 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,394 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,394 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,394 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,394 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,395 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,395 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,395 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,396 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,396 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,396 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,397 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,397 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,397 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,398 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,398 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,401 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,401 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,401 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,401 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,402 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,402 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,403 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,403 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,404 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,404 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,410 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,410 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,410 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,411 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,411 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,411 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,412 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,412 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,412 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,412 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,412 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,413 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,413 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,413 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 23:31:20,415 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-12-17 23:31:20,429 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-12-17 23:31:20,465 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-17 23:31:20,466 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-17 23:31:20,467 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-17 23:31:20,470 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-17 23:31:20,471 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-17 23:31:20,471 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-17 23:31:20,471 INFO L383 AbstractCegarLoop]: Minimize is NONE [2020-12-17 23:31:20,475 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-17 23:31:20,494 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 88 places, 84 transitions, 178 flow [2020-12-17 23:31:20,642 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2010 states, 2006 states have (on average 2.797108673978066) internal successors, (5611), 2009 states have internal predecessors, (5611), 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) [2020-12-17 23:31:20,653 INFO L276 IsEmpty]: Start isEmpty. Operand has 2010 states, 2006 states have (on average 2.797108673978066) internal successors, (5611), 2009 states have internal predecessors, (5611), 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) [2020-12-17 23:31:20,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-17 23:31:20,663 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 23:31:20,664 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] [2020-12-17 23:31:20,664 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 23:31:20,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 23:31:20,671 INFO L82 PathProgramCache]: Analyzing trace with hash 197535563, now seen corresponding path program 1 times [2020-12-17 23:31:20,682 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 23:31:20,682 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774137116] [2020-12-17 23:31:20,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 23:31:20,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 23:31:21,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 23:31:21,085 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774137116] [2020-12-17 23:31:21,086 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 23:31:21,086 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-17 23:31:21,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440880227] [2020-12-17 23:31:21,094 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-17 23:31:21,094 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 23:31:21,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-17 23:31:21,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-17 23:31:21,125 INFO L87 Difference]: Start difference. First operand has 2010 states, 2006 states have (on average 2.797108673978066) internal successors, (5611), 2009 states have internal predecessors, (5611), 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 20.0) internal successors, (40), 3 states have internal predecessors, (40), 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) [2020-12-17 23:31:21,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 23:31:21,247 INFO L93 Difference]: Finished difference Result 1666 states and 4430 transitions. [2020-12-17 23:31:21,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-17 23:31:21,249 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 20.0) internal successors, (40), 3 states have internal predecessors, (40), 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 40 [2020-12-17 23:31:21,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 23:31:21,252 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-17 23:31:21,252 INFO L78 Accepts]: Start accepts. Automaton has 1666 states and 4430 transitions. Word has length 40 [2020-12-17 23:31:21,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 23:31:21,254 INFO L481 AbstractCegarLoop]: Abstraction has 1666 states and 4430 transitions. [2020-12-17 23:31:21,254 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 20.0) internal successors, (40), 3 states have internal predecessors, (40), 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) [2020-12-17 23:31:21,254 INFO L276 IsEmpty]: Start isEmpty. Operand 1666 states and 4430 transitions. [2020-12-17 23:31:21,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-17 23:31:21,264 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 23:31:21,265 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] [2020-12-17 23:31:21,265 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-17 23:31:21,265 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 23:31:21,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 23:31:21,266 INFO L82 PathProgramCache]: Analyzing trace with hash -1017720059, now seen corresponding path program 1 times [2020-12-17 23:31:21,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 23:31:21,267 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151379197] [2020-12-17 23:31:21,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 23:31:21,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 23:31:21,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 23:31:21,742 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151379197] [2020-12-17 23:31:21,742 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 23:31:21,742 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-17 23:31:21,742 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638734682] [2020-12-17 23:31:21,744 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-17 23:31:21,744 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 23:31:21,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-17 23:31:21,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-12-17 23:31:21,746 INFO L87 Difference]: Start difference. First operand 1666 states and 4430 transitions. Second operand has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 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) [2020-12-17 23:31:22,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 23:31:22,127 INFO L93 Difference]: Finished difference Result 2242 states and 5914 transitions. [2020-12-17 23:31:22,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-17 23:31:22,128 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 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 53 [2020-12-17 23:31:22,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 23:31:22,129 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2020-12-17 23:31:22,129 INFO L78 Accepts]: Start accepts. Automaton has 2242 states and 5914 transitions. Word has length 53 [2020-12-17 23:31:22,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 23:31:22,130 INFO L481 AbstractCegarLoop]: Abstraction has 2242 states and 5914 transitions. [2020-12-17 23:31:22,130 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 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) [2020-12-17 23:31:22,131 INFO L276 IsEmpty]: Start isEmpty. Operand 2242 states and 5914 transitions. [2020-12-17 23:31:22,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-17 23:31:22,135 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 23:31:22,135 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] [2020-12-17 23:31:22,135 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-17 23:31:22,135 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 23:31:22,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 23:31:22,136 INFO L82 PathProgramCache]: Analyzing trace with hash 1689445340, now seen corresponding path program 1 times [2020-12-17 23:31:22,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 23:31:22,137 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123760465] [2020-12-17 23:31:22,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 23:31:22,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 23:31:22,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 23:31:22,407 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123760465] [2020-12-17 23:31:22,407 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 23:31:22,407 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-17 23:31:22,407 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913710350] [2020-12-17 23:31:22,408 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-17 23:31:22,408 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 23:31:22,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-17 23:31:22,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-12-17 23:31:22,409 INFO L87 Difference]: Start difference. First operand 2242 states and 5914 transitions. Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 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) [2020-12-17 23:31:22,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 23:31:22,951 INFO L93 Difference]: Finished difference Result 2724 states and 7164 transitions. [2020-12-17 23:31:22,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-17 23:31:22,953 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 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 56 [2020-12-17 23:31:22,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 23:31:22,954 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2020-12-17 23:31:22,954 INFO L78 Accepts]: Start accepts. Automaton has 2724 states and 7164 transitions. Word has length 56 [2020-12-17 23:31:22,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 23:31:22,954 INFO L481 AbstractCegarLoop]: Abstraction has 2724 states and 7164 transitions. [2020-12-17 23:31:22,955 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 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) [2020-12-17 23:31:22,955 INFO L276 IsEmpty]: Start isEmpty. Operand 2724 states and 7164 transitions. [2020-12-17 23:31:22,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-17 23:31:22,959 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 23:31:22,959 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] [2020-12-17 23:31:22,959 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-17 23:31:22,959 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 23:31:22,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 23:31:22,960 INFO L82 PathProgramCache]: Analyzing trace with hash -879046854, now seen corresponding path program 2 times [2020-12-17 23:31:22,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 23:31:22,960 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507217193] [2020-12-17 23:31:22,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 23:31:23,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 23:31:23,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 23:31:23,265 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507217193] [2020-12-17 23:31:23,266 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 23:31:23,266 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-17 23:31:23,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989954734] [2020-12-17 23:31:23,266 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-17 23:31:23,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 23:31:23,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-17 23:31:23,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-12-17 23:31:23,268 INFO L87 Difference]: Start difference. First operand 2724 states and 7164 transitions. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 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) [2020-12-17 23:31:23,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 23:31:23,775 INFO L93 Difference]: Finished difference Result 3044 states and 7970 transitions. [2020-12-17 23:31:23,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-17 23:31:23,783 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 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 56 [2020-12-17 23:31:23,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 23:31:23,784 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2020-12-17 23:31:23,784 INFO L78 Accepts]: Start accepts. Automaton has 3044 states and 7970 transitions. Word has length 56 [2020-12-17 23:31:23,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 23:31:23,790 INFO L481 AbstractCegarLoop]: Abstraction has 3044 states and 7970 transitions. [2020-12-17 23:31:23,791 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 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) [2020-12-17 23:31:23,791 INFO L276 IsEmpty]: Start isEmpty. Operand 3044 states and 7970 transitions. [2020-12-17 23:31:23,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-17 23:31:23,796 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 23:31:23,797 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] [2020-12-17 23:31:23,797 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-17 23:31:23,797 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 23:31:23,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 23:31:23,798 INFO L82 PathProgramCache]: Analyzing trace with hash -1319232382, now seen corresponding path program 1 times [2020-12-17 23:31:23,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 23:31:23,799 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747257499] [2020-12-17 23:31:23,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 23:31:23,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 23:31:24,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 23:31:24,023 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747257499] [2020-12-17 23:31:24,023 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 23:31:24,023 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-17 23:31:24,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234628713] [2020-12-17 23:31:24,024 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-17 23:31:24,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 23:31:24,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-17 23:31:24,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-17 23:31:24,025 INFO L87 Difference]: Start difference. First operand 3044 states and 7970 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 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) [2020-12-17 23:31:24,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 23:31:24,203 INFO L93 Difference]: Finished difference Result 1603 states and 4004 transitions. [2020-12-17 23:31:24,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-17 23:31:24,204 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 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 57 [2020-12-17 23:31:24,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 23:31:24,205 INFO L763 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 [2020-12-17 23:31:24,205 INFO L78 Accepts]: Start accepts. Automaton has 1603 states and 4004 transitions. Word has length 57 [2020-12-17 23:31:24,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 23:31:24,205 INFO L481 AbstractCegarLoop]: Abstraction has 1603 states and 4004 transitions. [2020-12-17 23:31:24,206 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 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) [2020-12-17 23:31:24,206 INFO L276 IsEmpty]: Start isEmpty. Operand 1603 states and 4004 transitions. [2020-12-17 23:31:24,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-17 23:31:24,209 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 23:31:24,209 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] [2020-12-17 23:31:24,210 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-17 23:31:24,210 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 23:31:24,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 23:31:24,210 INFO L82 PathProgramCache]: Analyzing trace with hash -28614606, now seen corresponding path program 1 times [2020-12-17 23:31:24,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 23:31:24,211 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089675807] [2020-12-17 23:31:24,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 23:31:24,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 23:31:24,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 23:31:24,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089675807] [2020-12-17 23:31:24,501 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 23:31:24,502 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-17 23:31:24,502 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470979111] [2020-12-17 23:31:24,503 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-17 23:31:24,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 23:31:24,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-17 23:31:24,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-12-17 23:31:24,504 INFO L87 Difference]: Start difference. First operand 1603 states and 4004 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 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) [2020-12-17 23:31:24,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 23:31:24,731 INFO L93 Difference]: Finished difference Result 916 states and 2202 transitions. [2020-12-17 23:31:24,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-17 23:31:24,732 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 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 58 [2020-12-17 23:31:24,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 23:31:24,733 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2020-12-17 23:31:24,733 INFO L78 Accepts]: Start accepts. Automaton has 916 states and 2202 transitions. Word has length 58 [2020-12-17 23:31:24,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 23:31:24,734 INFO L481 AbstractCegarLoop]: Abstraction has 916 states and 2202 transitions. [2020-12-17 23:31:24,734 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 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) [2020-12-17 23:31:24,735 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 2202 transitions. [2020-12-17 23:31:24,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-17 23:31:24,740 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 23:31:24,740 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] [2020-12-17 23:31:24,740 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-17 23:31:24,740 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 23:31:24,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 23:31:24,741 INFO L82 PathProgramCache]: Analyzing trace with hash 1755731710, now seen corresponding path program 1 times [2020-12-17 23:31:24,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 23:31:24,741 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314114448] [2020-12-17 23:31:24,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 23:31:24,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 23:31:25,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 23:31:25,076 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314114448] [2020-12-17 23:31:25,076 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 23:31:25,076 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-12-17 23:31:25,076 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914122538] [2020-12-17 23:31:25,076 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-17 23:31:25,076 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 23:31:25,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-17 23:31:25,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-12-17 23:31:25,077 INFO L87 Difference]: Start difference. First operand 916 states and 2202 transitions. Second operand has 11 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 11 states have internal predecessors, (63), 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) [2020-12-17 23:31:25,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 23:31:25,347 INFO L93 Difference]: Finished difference Result 1417 states and 3396 transitions. [2020-12-17 23:31:25,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-17 23:31:25,348 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 11 states have internal predecessors, (63), 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 63 [2020-12-17 23:31:25,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 23:31:25,349 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2020-12-17 23:31:25,349 INFO L78 Accepts]: Start accepts. Automaton has 1417 states and 3396 transitions. Word has length 63 [2020-12-17 23:31:25,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 23:31:25,349 INFO L481 AbstractCegarLoop]: Abstraction has 1417 states and 3396 transitions. [2020-12-17 23:31:25,350 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 11 states have internal predecessors, (63), 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) [2020-12-17 23:31:25,350 INFO L276 IsEmpty]: Start isEmpty. Operand 1417 states and 3396 transitions. [2020-12-17 23:31:25,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-17 23:31:25,353 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 23:31:25,353 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] [2020-12-17 23:31:25,354 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-17 23:31:25,354 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-17 23:31:25,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 23:31:25,354 INFO L82 PathProgramCache]: Analyzing trace with hash -1383882464, now seen corresponding path program 2 times [2020-12-17 23:31:25,355 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 23:31:25,355 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314605101] [2020-12-17 23:31:25,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 23:31:25,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-17 23:31:25,409 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-17 23:31:25,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-17 23:31:25,463 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-17 23:31:25,514 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-17 23:31:25,514 INFO L605 BasicCegarLoop]: Counterexample might be feasible [2020-12-17 23:31:25,515 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-17 23:31:25,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 11:31:25 BasicIcfg [2020-12-17 23:31:25,683 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-17 23:31:25,686 INFO L168 Benchmark]: Toolchain (without parser) took 8546.82 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 276.1 MB in the beginning and 154.1 MB in the end (delta: 122.0 MB). Peak memory consumption was 183.3 MB. Max. memory is 16.0 GB. [2020-12-17 23:31:25,687 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 302.0 MB. Free memory was 272.4 MB in the beginning and 272.3 MB in the end (delta: 65.6 kB). There was no memory consumed. Max. memory is 16.0 GB. [2020-12-17 23:31:25,687 INFO L168 Benchmark]: CACSL2BoogieTranslator took 827.05 ms. Allocated memory is still 302.0 MB. Free memory was 276.0 MB in the beginning and 280.9 MB in the end (delta: -4.9 MB). Peak memory consumption was 37.6 MB. Max. memory is 16.0 GB. [2020-12-17 23:31:25,688 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.55 ms. Allocated memory is still 302.0 MB. Free memory was 280.9 MB in the beginning and 277.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2020-12-17 23:31:25,689 INFO L168 Benchmark]: Boogie Preprocessor took 44.33 ms. Allocated memory is still 302.0 MB. Free memory was 277.7 MB in the beginning and 275.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-12-17 23:31:25,690 INFO L168 Benchmark]: RCFGBuilder took 2178.85 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 275.6 MB in the beginning and 304.8 MB in the end (delta: -29.2 MB). Peak memory consumption was 172.1 MB. Max. memory is 16.0 GB. [2020-12-17 23:31:25,691 INFO L168 Benchmark]: TraceAbstraction took 5384.66 ms. Allocated memory is still 362.8 MB. Free memory was 304.8 MB in the beginning and 154.1 MB in the end (delta: 150.7 MB). Peak memory consumption was 149.7 MB. Max. memory is 16.0 GB. [2020-12-17 23:31:25,695 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 302.0 MB. Free memory was 272.4 MB in the beginning and 272.3 MB in the end (delta: 65.6 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 827.05 ms. Allocated memory is still 302.0 MB. Free memory was 276.0 MB in the beginning and 280.9 MB in the end (delta: -4.9 MB). Peak memory consumption was 37.6 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 99.55 ms. Allocated memory is still 302.0 MB. Free memory was 280.9 MB in the beginning and 277.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 44.33 ms. Allocated memory is still 302.0 MB. Free memory was 277.7 MB in the beginning and 275.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2178.85 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 275.6 MB in the beginning and 304.8 MB in the end (delta: -29.2 MB). Peak memory consumption was 172.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 5384.66 ms. Allocated memory is still 362.8 MB. Free memory was 304.8 MB in the beginning and 154.1 MB in the end (delta: 150.7 MB). Peak memory consumption was 149.7 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] [L711] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0] [L712] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L714] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L715] 0 _Bool x$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0] [L716] 0 int x$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0] [L717] 0 _Bool x$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0] [L718] 0 _Bool x$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0] [L719] 0 _Bool x$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=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$r_buff0_thd2=0] [L720] 0 _Bool x$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=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] [L721] 0 _Bool x$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$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] [L722] 0 _Bool x$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$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$r_buff1_thd2=0] [L723] 0 _Bool x$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=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$read_delayed=0] [L724] 0 int *x$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=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}] [L725] 0 int x$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$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] [L726] 0 _Bool x$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$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$w_buff0_used=0] [L727] 0 int x$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=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$w_buff1=0] [L728] 0 _Bool x$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=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] [L730] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=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] [L731] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$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] [L732] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L792] 0 pthread_t t1455; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L793] FCALL, FORK 0 pthread_create(&t1455, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L794] 0 pthread_t t1456; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L795] FCALL, FORK 0 pthread_create(&t1456, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L756] 2 x$w_buff1 = x$w_buff0 [L757] 2 x$w_buff0 = 2 [L758] 2 x$w_buff1_used = x$w_buff0_used [L759] 2 x$w_buff0_used = (_Bool)1 [L18] COND FALSE 2 !(!expression) [L761] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L762] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L763] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L764] 2 x$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L767] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L736] 1 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L739] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L742] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L742] EXPR 1 x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x [L742] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L742] 1 x = x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L743] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L743] 1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L744] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L744] 1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L745] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L745] 1 x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L746] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L746] 1 x$r_buff1_thd1 = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L749] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L770] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L770] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L771] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L771] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L772] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L772] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L773] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L773] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L774] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L774] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L777] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L797] 0 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L3] COND FALSE 0 !(!cond) VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L801] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L801] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L801] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L801] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L802] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L802] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L803] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L803] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L804] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L804] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L805] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L805] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L808] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L809] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L810] 0 x$flush_delayed = weak$$choice2 [L811] 0 x$mem_tmp = x [L812] EXPR 0 !x$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) [L812] 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) [L813] EXPR 0 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L813] 0 x$w_buff0 = weak$$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)) [L814] EXPR 0 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L814] 0 x$w_buff1 = weak$$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)) [L815] EXPR 0 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L815] 0 x$w_buff0_used = weak$$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)) [L816] EXPR 0 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L816] 0 x$w_buff1_used = weak$$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)) [L817] EXPR 0 weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L817] 0 x$r_buff0_thd0 = weak$$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)) [L818] EXPR 0 weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L818] 0 x$r_buff1_thd0 = weak$$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$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L819] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 0) [L820] EXPR 0 x$flush_delayed ? x$mem_tmp : x [L820] 0 x = x$flush_delayed ? x$mem_tmp : x [L821] 0 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$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] [L18] COND TRUE 0 !expression VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=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] [L17] COND FALSE 0 !(0) VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=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] [L17] 0 __assert_fail ("0", "mix054_tso.opt.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=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] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 82 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.0s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 728 SDtfs, 1394 SDslu, 2557 SDs, 0 SdLazy, 436 SolverSat, 114 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 93 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3044occurred in iteration=4, 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, 0.7s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 446 NumberOfCodeBlocks, 446 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 376 ConstructedInterpolants, 0 QuantifiedInterpolants, 95123 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...