/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-Sleep-NoLbe-New_States.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe029_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-6f57305 [2021-01-27 02:38:00,630 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-27 02:38:00,634 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-27 02:38:00,690 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-27 02:38:00,691 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-27 02:38:00,696 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-27 02:38:00,700 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-27 02:38:00,707 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-27 02:38:00,711 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-27 02:38:00,717 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-27 02:38:00,718 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-27 02:38:00,720 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-27 02:38:00,720 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-27 02:38:00,724 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-27 02:38:00,726 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-27 02:38:00,728 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-27 02:38:00,729 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-27 02:38:00,732 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-27 02:38:00,739 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-27 02:38:00,746 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-27 02:38:00,748 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-27 02:38:00,750 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-27 02:38:00,752 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-27 02:38:00,754 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-27 02:38:00,763 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-27 02:38:00,768 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-27 02:38:00,769 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-27 02:38:00,771 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-27 02:38:00,772 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-27 02:38:00,773 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-27 02:38:00,773 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-27 02:38:00,774 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-27 02:38:00,774 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-27 02:38:00,775 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-27 02:38:00,776 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-27 02:38:00,776 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-27 02:38:00,777 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-Sleep-NoLbe-New_States.epf [2021-01-27 02:38:00,829 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-27 02:38:00,829 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-27 02:38:00,834 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-27 02:38:00,834 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-27 02:38:00,835 INFO L138 SettingsManager]: * Use SBE=true [2021-01-27 02:38:00,835 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-27 02:38:00,835 INFO L138 SettingsManager]: * sizeof long=4 [2021-01-27 02:38:00,835 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-27 02:38:00,836 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-01-27 02:38:00,836 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-27 02:38:00,837 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-27 02:38:00,838 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-27 02:38:00,838 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-27 02:38:00,838 INFO L138 SettingsManager]: * sizeof long double=12 [2021-01-27 02:38:00,838 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-27 02:38:00,839 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-27 02:38:00,839 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-27 02:38:00,839 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-27 02:38:00,839 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-27 02:38:00,840 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-01-27 02:38:00,840 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-27 02:38:00,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-27 02:38:00,841 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-27 02:38:00,841 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-27 02:38:00,841 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-27 02:38:00,841 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-27 02:38:00,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-27 02:38:00,842 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-01-27 02:38:00,842 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2021-01-27 02:38:00,842 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=SLEEP_SET_FA [2021-01-27 02:38:00,843 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-27 02:38:00,843 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2021-01-27 02:38:00,843 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-01-27 02:38:00,843 INFO L138 SettingsManager]: * Sleep set reduction in concurrent analysis=NEW_STATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-27 02:38:01,250 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-27 02:38:01,301 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-27 02:38:01,305 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-27 02:38:01,307 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-27 02:38:01,308 INFO L275 PluginConnector]: CDTParser initialized [2021-01-27 02:38:01,309 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe029_pso.oepc.i [2021-01-27 02:38:01,410 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6517f271/f36b0d1bb1fc45a389d54f4a399dbe31/FLAG94da6af86 [2021-01-27 02:38:02,091 INFO L306 CDTParser]: Found 1 translation units. [2021-01-27 02:38:02,091 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe029_pso.oepc.i [2021-01-27 02:38:02,116 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6517f271/f36b0d1bb1fc45a389d54f4a399dbe31/FLAG94da6af86 [2021-01-27 02:38:02,395 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6517f271/f36b0d1bb1fc45a389d54f4a399dbe31 [2021-01-27 02:38:02,399 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-27 02:38:02,411 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-01-27 02:38:02,416 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-27 02:38:02,416 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-27 02:38:02,420 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-27 02:38:02,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 02:38:02" (1/1) ... [2021-01-27 02:38:02,428 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fbd68e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:38:02, skipping insertion in model container [2021-01-27 02:38:02,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 02:38:02" (1/1) ... [2021-01-27 02:38:02,438 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-27 02:38:02,509 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-27 02:38:03,071 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-27 02:38:03,082 INFO L203 MainTranslator]: Completed pre-run [2021-01-27 02:38:03,144 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-27 02:38:03,317 INFO L208 MainTranslator]: Completed translation [2021-01-27 02:38:03,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:38:03 WrapperNode [2021-01-27 02:38:03,318 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-27 02:38:03,319 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-27 02:38:03,319 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-27 02:38:03,320 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-27 02:38:03,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:38:03" (1/1) ... [2021-01-27 02:38:03,348 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:38:03" (1/1) ... [2021-01-27 02:38:03,412 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-27 02:38:03,416 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-27 02:38:03,416 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-27 02:38:03,416 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-27 02:38:03,431 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:38:03" (1/1) ... [2021-01-27 02:38:03,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:38:03" (1/1) ... [2021-01-27 02:38:03,448 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:38:03" (1/1) ... [2021-01-27 02:38:03,451 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:38:03" (1/1) ... [2021-01-27 02:38:03,462 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:38:03" (1/1) ... [2021-01-27 02:38:03,466 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:38:03" (1/1) ... [2021-01-27 02:38:03,470 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:38:03" (1/1) ... [2021-01-27 02:38:03,475 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-27 02:38:03,476 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-27 02:38:03,476 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-27 02:38:03,476 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-27 02:38:03,477 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:38:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-27 02:38:03,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-27 02:38:03,585 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-01-27 02:38:03,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-27 02:38:03,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-27 02:38:03,586 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-01-27 02:38:03,587 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-01-27 02:38:03,587 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-01-27 02:38:03,587 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-01-27 02:38:03,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-27 02:38:03,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-01-27 02:38:03,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-27 02:38:03,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-27 02:38:03,590 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-01-27 02:38:06,345 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-27 02:38:06,345 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2021-01-27 02:38:06,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 02:38:06 BoogieIcfgContainer [2021-01-27 02:38:06,348 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-27 02:38:06,350 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-27 02:38:06,350 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-27 02:38:06,354 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-27 02:38:06,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 02:38:02" (1/3) ... [2021-01-27 02:38:06,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55e40d34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 02:38:06, skipping insertion in model container [2021-01-27 02:38:06,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:38:03" (2/3) ... [2021-01-27 02:38:06,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55e40d34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 02:38:06, skipping insertion in model container [2021-01-27 02:38:06,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 02:38:06" (3/3) ... [2021-01-27 02:38:06,358 INFO L111 eAbstractionObserver]: Analyzing ICFG safe029_pso.oepc.i [2021-01-27 02:38:06,377 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-27 02:38:06,377 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-27 02:38:06,381 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-01-27 02:38:06,382 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-27 02:38:06,421 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,421 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,422 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,422 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,422 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,422 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,422 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,423 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,423 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,423 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,423 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,424 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,424 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,424 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,424 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,425 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,425 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,425 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,425 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,425 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,426 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,426 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,426 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,426 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,427 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,427 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,427 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,427 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,428 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,428 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,428 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,428 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,428 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,429 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,429 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,429 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,430 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,430 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,430 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,430 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,430 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,431 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,431 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,431 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,432 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,432 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,432 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,433 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,433 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,433 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,433 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,433 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,434 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,434 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,434 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,434 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,435 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,435 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,435 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,435 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,435 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,436 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,437 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,437 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,437 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,437 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,437 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,438 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,438 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,439 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,439 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,439 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,441 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,442 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,442 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,442 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,443 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,443 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,443 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,443 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,444 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,444 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,444 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,444 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,445 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,445 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,449 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,449 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,449 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,450 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,450 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,450 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,450 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,451 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,451 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,451 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:38:06,453 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-01-27 02:38:06,467 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-01-27 02:38:06,496 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-27 02:38:06,496 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-27 02:38:06,496 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-27 02:38:06,496 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-27 02:38:06,497 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-27 02:38:06,497 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-27 02:38:06,497 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-27 02:38:06,497 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== Size of Word is: 38 and size of Sequence is : 39[2021-01-27 02:38:06,527 INFO L164 SleepSetCegar]: Size of mCounterexample is: 39 [2021-01-27 02:38:06,528 INFO L165 SleepSetCegar]: [92#[ULTIMATE.startENTRY]don't care, 95#[L-1]don't care, 98#[L-1-1]don't care, 101#[L17]don't care, 104#[L17-1]don't care, 107#[L17-2]don't care, 110#[L17-3]don't care, 113#[L17-4]don't care, 116#[L709]don't care, 119#[L710]don't care, 122#[L712]don't care, 125#[L714]don't care, 128#[L715]don't care, 131#[L716]don't care, 134#[L717]don't care, 137#[L718]don't care, 140#[L719]don't care, 143#[L720]don't care, 146#[L721]don't care, 149#[L722]don't care, 152#[L723]don't care, 155#[L724]don't care, 158#[L725]don't care, 161#[L726]don't care, 164#[L727]don't care, 167#[L728]don't care, 170#[L729]don't care, 173#[L730]don't care, 176#[L-1-2]don't care, 179#[L-1-3]don't care, 182#[L790]don't care, 185#[L790-1]don't care, 188#[L791]don't care, 191#[P0ENTRY, L791-1]don't care, 196#[L792, P0ENTRY]don't care, 202#[L792-1, P0ENTRY]don't care, 206#[L793, P0ENTRY]don't care, 212#[L793, L733]don't care, 218#[P0Err0ASSERT_VIOLATIONERROR_FUNCTION, L793]don't care] [2021-01-27 02:38:06,528 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-27 02:38:06,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 02:38:06,535 INFO L82 PathProgramCache]: Analyzing trace with hash -172523591, now seen corresponding path program 1 times [2021-01-27 02:38:06,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 02:38:06,546 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593431028] [2021-01-27 02:38:06,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 02:38:06,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-27 02:38:06,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-27 02:38:06,886 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593431028] [2021-01-27 02:38:06,887 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-27 02:38:06,888 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-27 02:38:06,889 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923094789] [2021-01-27 02:38:06,900 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-27 02:38:06,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-27 02:38:06,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-27 02:38:06,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-27 02:38:06,921 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-27 02:38:06,924 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-27 02:38:06,945 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check Size of Word is: 66 and size of Sequence is : 67[2021-01-27 02:38:07,037 INFO L164 SleepSetCegar]: Size of mCounterexample is: 67 [2021-01-27 02:38:07,038 INFO L165 SleepSetCegar]: [227#[ULTIMATE.startENTRY]true, 229#[L-1]true, 231#[L-1-1]true, 233#[L17]true, 235#[L17-1]true, 237#[L17-2]true, 239#[L17-3]true, 241#[L17-4]true, 243#[L709]true, 245#[L710]true, 247#[L712]true, 249#[L714]true, 251#[L715]true, 253#[L716]true, 255#[L717]true, 257#[L718]true, 259#[L719]true, 261#[L720]true, 263#[L721]true, 265#[L722]true, 267#[L723]true, 269#[L724]true, 271#[L725]true, 273#[L726]true, 275#[L727](= ~y$w_buff0_used~0 0), 277#[L728](= ~y$w_buff0_used~0 0), 279#[L729](= ~y$w_buff0_used~0 0), 281#[L730](= ~y$w_buff0_used~0 0), 283#[L-1-2](= ~y$w_buff0_used~0 0), 285#[L-1-3](= ~y$w_buff0_used~0 0), 287#[L790](= ~y$w_buff0_used~0 0), 289#[L790-1](= ~y$w_buff0_used~0 0), 291#[L791](= ~y$w_buff0_used~0 0), 293#[P0ENTRY, L791-1](= ~y$w_buff0_used~0 0), 296#[L792, P0ENTRY](= ~y$w_buff0_used~0 0), 300#[L792-1, P0ENTRY](= ~y$w_buff0_used~0 0), 303#[L793, P0ENTRY](= ~y$w_buff0_used~0 0), 307#[L793, L733](= ~y$w_buff0_used~0 0), 312#[L793, L743]true, 321#[L793, L746]true, 329#[L753, L793]true, 337#[L756, L793]true, 346#[L793, P0FINAL]true, 353#[P0EXIT, L793]true, 359#[P0EXIT, L793-1, P1ENTRY]true, 366#[L761, P0EXIT, L793-1]true, 374#[P0EXIT, L763, L793-1]true, 382#[P0EXIT, L793-1, L766]true, 390#[P0EXIT, L793-1, L773]true, 398#[P0EXIT, L776, L793-1]true, 406#[P0EXIT, P1FINAL, L793-1]true, 414#[P0EXIT, L793-1, P1EXIT]true, 419#[P0EXIT, L794, P1EXIT]true, 423#[P0EXIT, P1EXIT, L796]true, 427#[L797, P0EXIT, P1EXIT]true, 431#[L2, P0EXIT, P1EXIT]true, 435#[P0EXIT, L3, P1EXIT]true, 442#[P0EXIT, P1EXIT, L2-1]true, 449#[P0EXIT, L804, P1EXIT]true, 453#[L820, P0EXIT, P1EXIT]true, 457#[P0EXIT, L821, P1EXIT]true, 461#[P0EXIT, P1EXIT, L18]true, 465#[P0EXIT, L18-1, P1EXIT]true, 472#[P0EXIT, L18-2, P1EXIT]true, 477#[P0EXIT, P1EXIT, L17-5]true, 483#[P0EXIT, L17-7, P1EXIT]true, 491#[P0EXIT, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1EXIT]true] [2021-01-27 02:38:07,038 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-27 02:38:07,038 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-27 02:38:07,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 02:38:07,040 INFO L82 PathProgramCache]: Analyzing trace with hash -1730061346, now seen corresponding path program 1 times [2021-01-27 02:38:07,040 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 02:38:07,040 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132652065] [2021-01-27 02:38:07,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 02:38:07,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-27 02:38:07,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-27 02:38:07,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132652065] [2021-01-27 02:38:07,874 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-27 02:38:07,874 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-01-27 02:38:07,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532276928] [2021-01-27 02:38:07,876 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-01-27 02:38:07,876 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-27 02:38:07,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-01-27 02:38:07,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-01-27 02:38:07,878 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-27 02:38:07,878 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 5.076923076923077) internal successors, (66), 13 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-27 02:38:07,942 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-27 02:38:08,202 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-27 02:38:08,752 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-27 02:38:08,873 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check Size of Word is: 66 and size of Sequence is : 67[2021-01-27 02:38:09,102 INFO L164 SleepSetCegar]: Size of mCounterexample is: 67 [2021-01-27 02:38:09,104 INFO L165 SleepSetCegar]: [508#[ULTIMATE.startENTRY]true, 511#[L-1]true, 514#[L-1-1]true, 517#[L17]true, 520#[L17-1]true, 523#[L17-2]true, 526#[L17-3]true, 529#[L17-4]true, 532#[L709]true, 535#[L710]true, 538#[L712]true, 541#[L714]true, 544#[L715]true, 547#[L716]true, 550#[L717]true, 553#[L718](= ~y$r_buff0_thd0~0 0), 556#[L719](= ~y$r_buff0_thd0~0 0), 559#[L720](and (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0)), 562#[L721](and (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0)), 565#[L722](and (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0)), 568#[L723](and (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0)), 571#[L724](and (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0)), 574#[L725](and (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0)), 577#[L726](and (= ~y$w_buff0~0 0) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0)), 580#[L727](and (= ~y$w_buff0~0 0) (= ~y$w_buff0_used~0 0) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0)), 583#[L728](and (= ~y$w_buff0~0 0) (= ~y$w_buff0_used~0 0) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0)), 586#[L729](and (= ~y$w_buff0~0 0) (= ~y$w_buff0_used~0 0) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0)), 589#[L730](and (= ~y$w_buff0~0 0) (= ~y$w_buff0_used~0 0) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0)), 592#[L-1-2](and (= ~y$w_buff0~0 0) (= ~y$w_buff0_used~0 0) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0)), 595#[L-1-3](and (= ~y$w_buff0~0 0) (= ~y$w_buff0_used~0 0) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0)), 598#[L790](and (= ~y$w_buff0~0 0) (= ~y$w_buff0_used~0 0) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0)), 601#[L790-1](and (= ~y$w_buff0~0 0) (= ~y$w_buff0_used~0 0) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0)), 604#[L791](and (= ~y$w_buff0~0 0) (= ~y$w_buff0_used~0 0) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0)), 607#[P0ENTRY, L791-1](and (= ~y$w_buff0~0 0) (= ~y$w_buff0_used~0 0) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0)), 612#[L792, P0ENTRY](and (= ~y$w_buff0~0 0) (= ~y$w_buff0_used~0 0) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0)), 618#[L792-1, P0ENTRY](and (= ~y$w_buff0~0 0) (= ~y$w_buff0_used~0 0) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0)), 622#[L793, P0ENTRY](and (= ~y$w_buff0~0 0) (= ~y$w_buff0_used~0 0) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0)), 628#[L793, L733](and (= ~y$w_buff0~0 0) (= ~y$w_buff0_used~0 0) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0)), 636#[L793, L743](and (= ~y$r_buff0_thd1~0 1) (= ~y$r_buff1_thd2~0 0) (<= (div ~y$w_buff0_used~0 256) 0) (<= 1 ~y$w_buff0_used~0) (= 2 ~y$w_buff0~0) (= ~y$r_buff0_thd0~0 0) (not (= ~y$w_buff1~0 ~y$w_buff0~0)) (= ~y$r_buff0_thd2~0 0)), 643#[L793, L746](and (= ~y$r_buff0_thd1~0 1) (= ~y$r_buff1_thd2~0 0) (<= (div ~y$w_buff0_used~0 256) 0) (<= 1 ~y$w_buff0_used~0) (= 2 ~y$w_buff0~0) (= ~y$r_buff0_thd0~0 0) (not (= ~y$w_buff1~0 ~y$w_buff0~0)) (= ~y$r_buff0_thd2~0 0)), 649#[L753, L793](and (<= 0 ~y$w_buff0_used~0) (<= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd2~0 0) (= 2 ~y$w_buff0~0) (= ~y$r_buff0_thd0~0 0) (not (= ~y$w_buff1~0 ~y$w_buff0~0)) (= ~y$r_buff0_thd2~0 0)), 655#[L756, L793](and (<= 0 ~y$w_buff0_used~0) (<= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd2~0 0) (= 2 ~y$w_buff0~0) (= ~y$r_buff0_thd0~0 0) (not (= ~y$w_buff1~0 ~y$w_buff0~0)) (= ~y$r_buff0_thd2~0 0)), 663#[L793, P0FINAL](and (<= 0 ~y$w_buff0_used~0) (<= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd2~0 0) (= 2 ~y$w_buff0~0) (= ~y$r_buff0_thd0~0 0) (not (= ~y$w_buff1~0 ~y$w_buff0~0)) (= ~y$r_buff0_thd2~0 0)), 667#[P0EXIT, L793](and (<= 0 ~y$w_buff0_used~0) (<= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd2~0 0) (= 2 ~y$w_buff0~0) (= ~y$r_buff0_thd0~0 0) (not (= ~y$w_buff1~0 ~y$w_buff0~0)) (= ~y$r_buff0_thd2~0 0)), 673#[P0EXIT, L793-1, P1ENTRY](and (<= 0 ~y$w_buff0_used~0) (<= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd2~0 0) (= 2 ~y$w_buff0~0) (= ~y$r_buff0_thd0~0 0) (not (= ~y$w_buff1~0 ~y$w_buff0~0)) (= ~y$r_buff0_thd2~0 0)), 678#[L761, P0EXIT, L793-1](and (<= 0 ~y$w_buff0_used~0) (<= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd2~0 0) (= 2 ~y$w_buff0~0) (= ~y$r_buff0_thd0~0 0) (not (= ~y$w_buff1~0 ~y$w_buff0~0)) (= ~y$r_buff0_thd2~0 0)), 684#[P0EXIT, L763, L793-1](and (<= 0 ~y$w_buff0_used~0) (<= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd2~0 0) (= 2 ~y$w_buff0~0) (= ~y$r_buff0_thd0~0 0) (not (= ~y$w_buff1~0 ~y$w_buff0~0)) (= ~y$r_buff0_thd2~0 0)), 688#[P0EXIT, L763, L794](and (<= 0 ~y$w_buff0_used~0) (<= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd2~0 0) (= 2 ~y$w_buff0~0) (= ~y$r_buff0_thd0~0 0) (not (= ~y$w_buff1~0 ~y$w_buff0~0)) (= ~y$r_buff0_thd2~0 0)), 1315#[P0EXIT, L763, L796](and (<= 0 ~y$w_buff0_used~0) (<= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd2~0 0) (= 2 ~y$w_buff0~0) (= ~y$r_buff0_thd0~0 0) (not (= ~y$w_buff1~0 ~y$w_buff0~0)) (= ~y$r_buff0_thd2~0 0)), 1321#[L797, P0EXIT, L763](and (<= 0 ~y$w_buff0_used~0) (<= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd2~0 0) (= 2 ~y$w_buff0~0) (= ~y$r_buff0_thd0~0 0) (not (= ~y$w_buff1~0 ~y$w_buff0~0)) (= ~y$r_buff0_thd2~0 0)), 1327#[L2, P0EXIT, L763](and (<= 0 ~y$w_buff0_used~0) (<= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd2~0 0) (= 2 ~y$w_buff0~0) (= ~y$r_buff0_thd0~0 0) (not (= ~y$w_buff1~0 ~y$w_buff0~0)) (= ~y$r_buff0_thd2~0 0)), 1333#[P0EXIT, L763, L3](and (<= 0 ~y$w_buff0_used~0) (<= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd2~0 0) (= 2 ~y$w_buff0~0) (= ~y$r_buff0_thd0~0 0) (not (= ~y$w_buff1~0 ~y$w_buff0~0)) (= ~y$r_buff0_thd2~0 0)), 1344#[P0EXIT, L763, L2-1](and (<= 0 ~y$w_buff0_used~0) (<= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd2~0 0) (= 2 ~y$w_buff0~0) (= ~y$r_buff0_thd0~0 0) (not (= ~y$w_buff1~0 ~y$w_buff0~0)) (= ~y$r_buff0_thd2~0 0)), 1355#[P0EXIT, L804, L763](and (<= 0 ~y$w_buff0_used~0) (<= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd2~0 0) (= 2 ~y$w_buff0~0) (= ~y$r_buff0_thd0~0 0) (not (= ~y$w_buff1~0 ~y$w_buff0~0)) (= ~y$r_buff0_thd2~0 0)), 1361#[L820, P0EXIT, L763](and (<= 0 ~y$w_buff0_used~0) (<= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd2~0 0) (= 2 ~y$w_buff0~0) (= ~y$r_buff0_thd0~0 0) (not (= ~y$w_buff1~0 ~y$w_buff0~0)) (= ~y$r_buff0_thd2~0 0)), 1371#[P0EXIT, L763, L821](and (<= 0 ~y$w_buff0_used~0) (<= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd2~0 0) (= 2 ~y$w_buff0~0) (= ~y$r_buff0_thd0~0 0) (not (= ~y$w_buff1~0 ~y$w_buff0~0)) (= ~y$r_buff0_thd2~0 0)), 1380#[P0EXIT, L763, L18](and (<= 0 ~y$w_buff0_used~0) (<= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd2~0 0) (= 2 ~y$w_buff0~0) (= ~y$r_buff0_thd0~0 0) (not (= ~y$w_buff1~0 ~y$w_buff0~0)) (= ~y$r_buff0_thd2~0 0)), 1391#[P0EXIT, L766, L18](and (not (= ~y~0 ~y$w_buff0~0)) (<= 0 ~y$w_buff0_used~0) (<= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd2~0 0) (= 2 ~y$w_buff0~0) (= ~y$r_buff0_thd0~0 0) (not (= ~y$w_buff1~0 ~y$w_buff0~0)) (= ~y$r_buff0_thd2~0 0)), 1395#[P0EXIT, L773, L18](and (not (= ~y~0 ~y$w_buff0~0)) (<= 0 ~y$w_buff0_used~0) (<= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd2~0 0) (= 2 ~y$w_buff0~0) (= ~y$r_buff0_thd0~0 0) (not (= ~y$w_buff1~0 ~y$w_buff0~0)) (= ~y$r_buff0_thd2~0 0)), 1403#[P0EXIT, L776, L18](and (not (= ~y~0 ~y$w_buff0~0)) (<= 0 ~y$w_buff0_used~0) (<= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd2~0 0) (= 2 ~y$w_buff0~0) (= ~y$r_buff0_thd0~0 0) (not (= ~y$w_buff1~0 ~y$w_buff0~0)) (= ~y$r_buff0_thd2~0 0)), 1409#[P0EXIT, P1FINAL, L18](and (not (= ~y~0 ~y$w_buff0~0)) (<= 0 ~y$w_buff0_used~0) (<= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd2~0 0) (= 2 ~y$w_buff0~0) (= ~y$r_buff0_thd0~0 0) (not (= ~y$w_buff1~0 ~y$w_buff0~0)) (= ~y$r_buff0_thd2~0 0)), 1415#[P0EXIT, P1EXIT, L18](and (not (= ~y~0 ~y$w_buff0~0)) (<= 0 ~y$w_buff0_used~0) (<= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd2~0 0) (= 2 ~y$w_buff0~0) (= ~y$r_buff0_thd0~0 0) (not (= ~y$w_buff1~0 ~y$w_buff0~0)) (= ~y$r_buff0_thd2~0 0)), 1419#[P0EXIT, L18-1, P1EXIT](and (not (= ~y~0 ~y$w_buff0~0)) (<= 0 ~y$w_buff0_used~0) (<= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd2~0 0) (= 2 ~y$w_buff0~0) (= ~y$r_buff0_thd0~0 0) (not (= ~y$w_buff1~0 ~y$w_buff0~0)) (= ~y$r_buff0_thd2~0 0)), 1424#[P0EXIT, L18-2, P1EXIT](and (not (= ~y~0 ~y$w_buff0~0)) (<= 0 ~y$w_buff0_used~0) (<= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd2~0 0) (= 2 ~y$w_buff0~0) (= ~y$r_buff0_thd0~0 0) (not (= ~y$w_buff1~0 ~y$w_buff0~0)) (= ~y$r_buff0_thd2~0 0)), 1428#[P0EXIT, P1EXIT, L17-5](and (not (= ~y~0 ~y$w_buff0~0)) (<= 0 ~y$w_buff0_used~0) (<= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd2~0 0) (= 2 ~y$w_buff0~0) (= ~y$r_buff0_thd0~0 0) (not (= ~y$w_buff1~0 ~y$w_buff0~0)) (= ~y$r_buff0_thd2~0 0)), 1431#[P0EXIT, L17-7, P1EXIT](and (not (= ~y~0 ~y$w_buff0~0)) (<= 0 ~y$w_buff0_used~0) (<= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd2~0 0) (= 2 ~y$w_buff0~0) (= ~y$r_buff0_thd0~0 0) (not (= ~y$w_buff1~0 ~y$w_buff0~0)) (= ~y$r_buff0_thd2~0 0)), 1437#[P0EXIT, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1EXIT](and (not (= ~y~0 ~y$w_buff0~0)) (<= 0 ~y$w_buff0_used~0) (<= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd2~0 0) (= 2 ~y$w_buff0~0) (= ~y$r_buff0_thd0~0 0) (not (= ~y$w_buff1~0 ~y$w_buff0~0)) (= ~y$r_buff0_thd2~0 0))] [2021-01-27 02:38:09,104 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-27 02:38:09,104 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-27 02:38:09,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 02:38:09,105 INFO L82 PathProgramCache]: Analyzing trace with hash -1217144424, now seen corresponding path program 2 times [2021-01-27 02:38:09,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 02:38:09,106 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026150285] [2021-01-27 02:38:09,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 02:38:09,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-27 02:38:09,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-27 02:38:09,352 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026150285] [2021-01-27 02:38:09,352 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-27 02:38:09,352 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-27 02:38:09,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601421609] [2021-01-27 02:38:09,354 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-27 02:38:09,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-27 02:38:09,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-27 02:38:09,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-01-27 02:38:09,359 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-27 02:38:09,359 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-27 02:38:09,465 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-27 02:38:09,689 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-27 02:38:09,704 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-27 02:38:09,742 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-27 02:38:09,870 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-27 02:38:09,984 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check Size of Word is: 66 and size of Sequence is : 67[2021-01-27 02:38:10,157 INFO L164 SleepSetCegar]: Size of mCounterexample is: 67 [2021-01-27 02:38:10,159 INFO L165 SleepSetCegar]: [1449#[ULTIMATE.startENTRY]true, 1452#[L-1]true, 1455#[L-1-1]true, 1458#[L17]true, 1461#[L17-1]true, 1464#[L17-2]true, 1467#[L17-3]true, 1470#[L17-4]true, 1473#[L709](= ~__unbuffered_cnt~0 0), 1478#[L710](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1481#[L712](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1484#[L714](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1487#[L715](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1490#[L716](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1493#[L717](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1496#[L718](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~y$r_buff0_thd0~0 0) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1499#[L719](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~y$r_buff0_thd0~0 0) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1502#[L720](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1505#[L721](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1508#[L722](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1511#[L723](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1514#[L724](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1517#[L725](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1520#[L726](and (= ~y$w_buff0~0 0) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1523#[L727](and (= ~y$w_buff0~0 0) (= ~y$w_buff0_used~0 0) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1526#[L728](and (= ~y$w_buff0~0 0) (= ~y$w_buff0_used~0 0) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1529#[L729](and (= ~y$w_buff0~0 0) (= ~y$w_buff0_used~0 0) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1532#[L730](and (= ~y$w_buff0~0 0) (= ~y$w_buff0_used~0 0) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1535#[L-1-2](and (= ~y$w_buff0~0 0) (= ~y$w_buff0_used~0 0) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1538#[L-1-3](and (= ~y$w_buff0~0 0) (= ~y$w_buff0_used~0 0) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1541#[L790](and (= ~y$w_buff0~0 0) (= ~y$w_buff0_used~0 0) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1544#[L790-1](and (= ~y$w_buff0~0 0) (= ~y$w_buff0_used~0 0) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1547#[L791](and (= ~y$w_buff0~0 0) (= ~y$w_buff0_used~0 0) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1550#[P0ENTRY, L791-1](and (= ~y$w_buff0~0 0) (= ~y$w_buff0_used~0 0) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1555#[L792, P0ENTRY](and (= ~y$w_buff0~0 0) (= ~y$w_buff0_used~0 0) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1561#[L792-1, P0ENTRY](and (= ~y$w_buff0~0 0) (= ~y$w_buff0_used~0 0) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1565#[L793, P0ENTRY](and (= ~y$w_buff0~0 0) (= ~y$w_buff0_used~0 0) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1571#[L793, L733](and (= ~y$w_buff0~0 0) (= ~y$w_buff0_used~0 0) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1579#[L793, L743](and (= ~y$r_buff0_thd1~0 1) (= ~y$r_buff1_thd2~0 0) (<= (div ~y$w_buff0_used~0 256) 0) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= 1 ~y$w_buff0_used~0) (= 2 ~y$w_buff0~0) (= ~y$r_buff0_thd0~0 0) (not (= ~y$w_buff1~0 ~y$w_buff0~0)) (= ~y$r_buff0_thd2~0 0) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1586#[L793, L746](and (= ~y$r_buff0_thd1~0 1) (= ~y$r_buff1_thd2~0 0) (<= (div ~y$w_buff0_used~0 256) 0) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= 1 ~y$w_buff0_used~0) (= 2 ~y$w_buff0~0) (= ~y$r_buff0_thd0~0 0) (not (= ~y$w_buff1~0 ~y$w_buff0~0)) (= ~y$r_buff0_thd2~0 0) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 1594#[L746, L793-1, P1ENTRY](and (= ~y$r_buff0_thd1~0 1) (= ~y$r_buff1_thd2~0 0) (<= (div ~y$w_buff0_used~0 256) 0) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= 1 ~y$w_buff0_used~0) (= 2 ~y$w_buff0~0) (= ~y$r_buff0_thd0~0 0) (not (= ~y$w_buff1~0 ~y$w_buff0~0)) (= ~y$r_buff0_thd2~0 0) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 4556#[L761, L746, L793-1](and (= ~y$r_buff0_thd1~0 1) (= ~y$r_buff1_thd2~0 0) (<= (div ~y$w_buff0_used~0 256) 0) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= 1 ~y$w_buff0_used~0) (= 2 ~y$w_buff0~0) (= ~y$r_buff0_thd0~0 0) (not (= ~y$w_buff1~0 ~y$w_buff0~0)) (= ~y$r_buff0_thd2~0 0) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 4572#[L763, L746, L793-1](and (= ~y$r_buff0_thd1~0 1) (= ~y$r_buff1_thd2~0 0) (<= (div ~y$w_buff0_used~0 256) 0) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= 1 ~y$w_buff0_used~0) (= 2 ~y$w_buff0~0) (= ~y$r_buff0_thd0~0 0) (not (= ~y$w_buff1~0 ~y$w_buff0~0)) (= ~y$r_buff0_thd2~0 0) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 4588#[L746, L793-1, L766](and (= ~y$r_buff0_thd1~0 1) (= ~y$r_buff1_thd2~0 0) (<= (div ~y$w_buff0_used~0 256) 0) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= 1 ~y$w_buff0_used~0) (= 2 ~y$w_buff0~0) (= ~y$r_buff0_thd0~0 0) (not (= ~y$w_buff1~0 ~y$w_buff0~0)) (= ~y$r_buff0_thd2~0 0) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 4604#[L753, L793-1, L766](and (<= 0 ~y$w_buff0_used~0) (<= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd2~0 0) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= 2 ~y$w_buff0~0) (= ~y$r_buff0_thd0~0 0) (not (= ~y$w_buff1~0 ~y$w_buff0~0)) (= ~y$r_buff0_thd2~0 0) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 4623#[L756, L793-1, L766](and (<= 0 ~y$w_buff0_used~0) (<= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd2~0 0) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= 2 ~y$w_buff0~0) (<= ~__unbuffered_cnt~0 1) (= ~y$r_buff0_thd0~0 0) (not (= ~y$w_buff1~0 ~y$w_buff0~0)) (= ~y$r_buff0_thd2~0 0) (<= ~main$tmp_guard0~0 0)), 4638#[L793-1, L766, P0FINAL](and (<= 0 ~y$w_buff0_used~0) (<= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd2~0 0) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= 2 ~y$w_buff0~0) (<= ~__unbuffered_cnt~0 1) (= ~y$r_buff0_thd0~0 0) (not (= ~y$w_buff1~0 ~y$w_buff0~0)) (= ~y$r_buff0_thd2~0 0) (<= ~main$tmp_guard0~0 0)), 4653#[P0EXIT, L793-1, L766](and (<= 0 ~y$w_buff0_used~0) (<= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd2~0 0) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= 2 ~y$w_buff0~0) (<= ~__unbuffered_cnt~0 1) (= ~y$r_buff0_thd0~0 0) (not (= ~y$w_buff1~0 ~y$w_buff0~0)) (= ~y$r_buff0_thd2~0 0) (<= ~main$tmp_guard0~0 0)), 4664#[P0EXIT, L793-1, L773](and (<= 0 ~y$w_buff0_used~0) (<= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd2~0 0) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= 2 ~y$w_buff0~0) (<= ~__unbuffered_cnt~0 1) (= ~y$r_buff0_thd0~0 0) (not (= ~y$w_buff1~0 ~y$w_buff0~0)) (= ~y$r_buff0_thd2~0 0) (<= ~main$tmp_guard0~0 0)), 4674#[P0EXIT, L776, L793-1](and (<= 0 ~y$w_buff0_used~0) (<= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd2~0 0) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= 2 ~y$w_buff0~0) (= ~y$r_buff0_thd0~0 0) (not (= ~y$w_buff1~0 ~y$w_buff0~0)) (= ~y$r_buff0_thd2~0 0) (<= ~main$tmp_guard0~0 0)), 4684#[P0EXIT, P1FINAL, L793-1](and (<= 0 ~y$w_buff0_used~0) (<= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd2~0 0) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= 2 ~y$w_buff0~0) (= ~y$r_buff0_thd0~0 0) (not (= ~y$w_buff1~0 ~y$w_buff0~0)) (= ~y$r_buff0_thd2~0 0) (<= ~main$tmp_guard0~0 0)), 4694#[P0EXIT, L793-1, P1EXIT](and (<= 0 ~y$w_buff0_used~0) (<= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd2~0 0) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= 2 ~y$w_buff0~0) (= ~y$r_buff0_thd0~0 0) (not (= ~y$w_buff1~0 ~y$w_buff0~0)) (= ~y$r_buff0_thd2~0 0) (<= ~main$tmp_guard0~0 0)), 4700#[P0EXIT, L794, P1EXIT](and (<= 0 ~y$w_buff0_used~0) (<= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd2~0 0) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= 2 ~y$w_buff0~0) (= ~y$r_buff0_thd0~0 0) (not (= ~y$w_buff1~0 ~y$w_buff0~0)) (= ~y$r_buff0_thd2~0 0) (<= ~main$tmp_guard0~0 0)), 4705#[P0EXIT, P1EXIT, L796](and (<= 0 ~y$w_buff0_used~0) (<= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd2~0 0) (= 2 ~y$w_buff0~0) (= ~y$r_buff0_thd0~0 0) (not (= ~y$w_buff1~0 ~y$w_buff0~0)) (= ~y$r_buff0_thd2~0 0)), 4710#[L797, P0EXIT, P1EXIT](and (<= 0 ~y$w_buff0_used~0) (<= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd2~0 0) (= 2 ~y$w_buff0~0) (= ~y$r_buff0_thd0~0 0) (not (= ~y$w_buff1~0 ~y$w_buff0~0)) (= ~y$r_buff0_thd2~0 0)), 4715#[L2, P0EXIT, P1EXIT](and (<= 0 ~y$w_buff0_used~0) (<= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd2~0 0) (= 2 ~y$w_buff0~0) (= ~y$r_buff0_thd0~0 0) (not (= ~y$w_buff1~0 ~y$w_buff0~0)) (= ~y$r_buff0_thd2~0 0)), 4720#[P0EXIT, L3, P1EXIT](and (<= 0 ~y$w_buff0_used~0) (<= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd2~0 0) (= 2 ~y$w_buff0~0) (= ~y$r_buff0_thd0~0 0) (not (= ~y$w_buff1~0 ~y$w_buff0~0)) (= ~y$r_buff0_thd2~0 0)), 4729#[P0EXIT, P1EXIT, L2-1](and (<= 0 ~y$w_buff0_used~0) (<= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd2~0 0) (= 2 ~y$w_buff0~0) (= ~y$r_buff0_thd0~0 0) (not (= ~y$w_buff1~0 ~y$w_buff0~0)) (= ~y$r_buff0_thd2~0 0)), 4735#[P0EXIT, L804, P1EXIT](and (<= 0 ~y$w_buff0_used~0) (<= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd2~0 0) (= 2 ~y$w_buff0~0) (= ~y$r_buff0_thd0~0 0) (not (= ~y$w_buff1~0 ~y$w_buff0~0)) (= ~y$r_buff0_thd2~0 0)), 4740#[L820, P0EXIT, P1EXIT](and (<= 0 ~y$w_buff0_used~0) (<= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd2~0 0) (= 2 ~y$w_buff0~0) (= ~y$r_buff0_thd0~0 0) (not (= ~y$w_buff1~0 ~y$w_buff0~0)) (= ~y$r_buff0_thd2~0 0)), 4745#[P0EXIT, L821, P1EXIT](and (<= 0 ~y$w_buff0_used~0) (<= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd2~0 0) (= 2 ~y$w_buff0~0) (= ~y$r_buff0_thd0~0 0) (not (= ~y$w_buff1~0 ~y$w_buff0~0)) (= ~y$r_buff0_thd2~0 0)), 4750#[P0EXIT, P1EXIT, L18](and (<= 0 ~y$w_buff0_used~0) (<= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd2~0 0) (= 2 ~y$w_buff0~0) (= ~y$r_buff0_thd0~0 0) (not (= ~y$w_buff1~0 ~y$w_buff0~0)) (= ~y$r_buff0_thd2~0 0)), 4755#[P0EXIT, L18-1, P1EXIT](and (<= 0 ~y$w_buff0_used~0) (<= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd2~0 0) (= 2 ~y$w_buff0~0) (= ~y$r_buff0_thd0~0 0) (not (= ~y$w_buff1~0 ~y$w_buff0~0)) (= ~y$r_buff0_thd2~0 0)), 4764#[P0EXIT, L18-2, P1EXIT](and (<= 0 ~y$w_buff0_used~0) (<= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd2~0 0) (= 2 ~y$w_buff0~0) (= ~y$r_buff0_thd0~0 0) (not (= ~y$w_buff1~0 ~y$w_buff0~0)) (= ~y$r_buff0_thd2~0 0)), 4770#[P0EXIT, P1EXIT, L17-5](and (<= 0 ~y$w_buff0_used~0) (<= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd2~0 0) (= 2 ~y$w_buff0~0) (= ~y$r_buff0_thd0~0 0) (not (= ~y$w_buff1~0 ~y$w_buff0~0)) (= ~y$r_buff0_thd2~0 0)), 4775#[P0EXIT, L17-7, P1EXIT](and (<= 0 ~y$w_buff0_used~0) (<= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd2~0 0) (= 2 ~y$w_buff0~0) (= ~y$r_buff0_thd0~0 0) (not (= ~y$w_buff1~0 ~y$w_buff0~0)) (= ~y$r_buff0_thd2~0 0)), 4783#[P0EXIT, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1EXIT](and (<= 0 ~y$w_buff0_used~0) (<= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd2~0 0) (= 2 ~y$w_buff0~0) (= ~y$r_buff0_thd0~0 0) (not (= ~y$w_buff1~0 ~y$w_buff0~0)) (= ~y$r_buff0_thd2~0 0))] [2021-01-27 02:38:10,159 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-27 02:38:10,160 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-27 02:38:10,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 02:38:10,162 INFO L82 PathProgramCache]: Analyzing trace with hash -1032200610, now seen corresponding path program 3 times [2021-01-27 02:38:10,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 02:38:10,163 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451604600] [2021-01-27 02:38:10,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 02:38:10,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-27 02:38:10,280 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-27 02:38:10,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-27 02:38:10,379 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-27 02:38:10,428 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-27 02:38:10,429 INFO L605 BasicCegarLoop]: Counterexample might be feasible [2021-01-27 02:38:10,429 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-27 02:38:10,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.01 02:38:10 BasicIcfg [2021-01-27 02:38:10,564 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-27 02:38:10,566 INFO L168 Benchmark]: Toolchain (without parser) took 8164.60 ms. Allocated memory was 331.4 MB in the beginning and 438.3 MB in the end (delta: 107.0 MB). Free memory was 304.0 MB in the beginning and 189.9 MB in the end (delta: 114.1 MB). Peak memory consumption was 221.4 MB. Max. memory is 16.0 GB. [2021-01-27 02:38:10,567 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 331.4 MB. Free memory is still 299.3 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-01-27 02:38:10,568 INFO L168 Benchmark]: CACSL2BoogieTranslator took 902.71 ms. Allocated memory is still 331.4 MB. Free memory was 302.9 MB in the beginning and 302.0 MB in the end (delta: 957.1 kB). Peak memory consumption was 29.6 MB. Max. memory is 16.0 GB. [2021-01-27 02:38:10,569 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.10 ms. Allocated memory is still 331.4 MB. Free memory was 302.0 MB in the beginning and 298.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-27 02:38:10,570 INFO L168 Benchmark]: Boogie Preprocessor took 59.15 ms. Allocated memory is still 331.4 MB. Free memory was 298.8 MB in the beginning and 296.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-27 02:38:10,571 INFO L168 Benchmark]: RCFGBuilder took 2872.18 ms. Allocated memory was 331.4 MB in the beginning and 438.3 MB in the end (delta: 107.0 MB). Free memory was 296.7 MB in the beginning and 386.9 MB in the end (delta: -90.2 MB). Peak memory consumption was 181.4 MB. Max. memory is 16.0 GB. [2021-01-27 02:38:10,571 INFO L168 Benchmark]: TraceAbstraction took 4213.49 ms. Allocated memory is still 438.3 MB. Free memory was 386.9 MB in the beginning and 189.9 MB in the end (delta: 197.0 MB). Peak memory consumption was 197.0 MB. Max. memory is 16.0 GB. [2021-01-27 02:38:10,577 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 331.4 MB. Free memory is still 299.3 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 902.71 ms. Allocated memory is still 331.4 MB. Free memory was 302.9 MB in the beginning and 302.0 MB in the end (delta: 957.1 kB). Peak memory consumption was 29.6 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 93.10 ms. Allocated memory is still 331.4 MB. Free memory was 302.0 MB in the beginning and 298.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 59.15 ms. Allocated memory is still 331.4 MB. Free memory was 298.8 MB in the beginning and 296.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2872.18 ms. Allocated memory was 331.4 MB in the beginning and 438.3 MB in the end (delta: 107.0 MB). Free memory was 296.7 MB in the beginning and 386.9 MB in the end (delta: -90.2 MB). Peak memory consumption was 181.4 MB. Max. memory is 16.0 GB. * TraceAbstraction took 4213.49 ms. Allocated memory is still 438.3 MB. Free memory was 386.9 MB in the beginning and 189.9 MB in the end (delta: 197.0 MB). Peak memory consumption was 197.0 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] [L709] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, main$tmp_guard0=0] [L710] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0] [L712] 0 int x = 0; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L714] 0 int y = 0; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L715] 0 _Bool y$flush_delayed; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0] [L716] 0 int y$mem_tmp; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0] [L717] 0 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0] [L718] 0 _Bool y$r_buff0_thd1; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0] [L719] 0 _Bool y$r_buff0_thd2; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0] [L720] 0 _Bool y$r_buff1_thd0; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0] [L721] 0 _Bool y$r_buff1_thd1; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0] [L722] 0 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0] [L723] 0 _Bool y$read_delayed; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0] [L724] 0 int *y$read_delayed_var; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}] [L725] 0 int y$w_buff0; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0] [L726] 0 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0] [L727] 0 int y$w_buff1; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0] [L728] 0 _Bool y$w_buff1_used; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L729] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L730] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L790] 0 pthread_t t2477; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L791] FCALL, FORK 0 pthread_create(&t2477, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L792] 0 pthread_t t2478; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L734] 1 y$w_buff1 = y$w_buff0 [L735] 1 y$w_buff0 = 2 [L736] 1 y$w_buff1_used = y$w_buff0_used [L737] 1 y$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L739] 1 y$r_buff1_thd0 = y$r_buff0_thd0 [L740] 1 y$r_buff1_thd1 = y$r_buff0_thd1 [L741] 1 y$r_buff1_thd2 = y$r_buff0_thd2 [L742] 1 y$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L745] 1 x = 1 VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L793] FCALL, FORK 0 pthread_create(&t2478, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L762] 2 x = 2 VAL [__unbuffered_cnt=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L765] 2 y = 1 VAL [__unbuffered_cnt=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L748] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L748] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L749] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L749] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L750] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L750] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L751] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L751] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L752] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L752] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L755] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L757] 1 return 0; VAL [__unbuffered_cnt=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L768] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L768] EXPR 2 y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y [L768] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L768] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L769] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L769] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L770] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L770] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L771] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L771] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L772] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L772] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L775] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L777] 2 return 0; VAL [\result={0:0}, __unbuffered_cnt=2, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L795] 0 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [\result={0:0}, __unbuffered_cnt=2, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L3] COND FALSE 0 !(!cond) VAL [\result={0:0}, __unbuffered_cnt=2, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L799] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L799] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L799] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L799] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L800] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L800] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L801] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L801] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L802] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L802] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L803] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L803] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L806] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L807] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L808] 0 y$flush_delayed = weak$$choice2 [L809] 0 y$mem_tmp = y [L810] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L810] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L811] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L811] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L812] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L812] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L813] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L813] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L814] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L814] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L815] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L815] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L816] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L816] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L817] 0 main$tmp_guard1 = !(x == 2 && y == 2) [L818] EXPR 0 y$flush_delayed ? y$mem_tmp : y [L818] 0 y = y$flush_delayed ? y$mem_tmp : y [L819] 0 y$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=2, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=1, x=2, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L18] COND TRUE 0 !expression VAL [\result={0:0}, __unbuffered_cnt=2, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=1, x=2, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L17] COND FALSE 0 !(0) VAL [\result={0:0}, __unbuffered_cnt=2, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=1, x=2, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L17] 0 __assert_fail ("0", "safe029_pso.oepc.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, __unbuffered_cnt=2, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=1, x=2, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 81 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.9s, OverallIterations: 4, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 236 NumberOfCodeBlocks, 236 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 167 ConstructedInterpolants, 0 QuantifiedInterpolants, 60515 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...