/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix036_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 12:02:00,597 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 12:02:00,600 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 12:02:00,644 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 12:02:00,644 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 12:02:00,656 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 12:02:00,657 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 12:02:00,660 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 12:02:00,663 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 12:02:00,666 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 12:02:00,667 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 12:02:00,670 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 12:02:00,670 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 12:02:00,673 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 12:02:00,676 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 12:02:00,677 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 12:02:00,679 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 12:02:00,680 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 12:02:00,681 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 12:02:00,688 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 12:02:00,691 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 12:02:00,692 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 12:02:00,693 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 12:02:00,693 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 12:02:00,699 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-16 12:02:00,699 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-16 12:02:00,699 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-16 12:02:00,702 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-16 12:02:00,703 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-16 12:02:00,705 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-16 12:02:00,706 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 12:02:00,706 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 12:02:00,707 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 12:02:00,708 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 12:02:00,709 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 12:02:00,709 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 12:02:00,710 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 12:02:00,710 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 12:02:00,710 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 12:02:00,711 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 12:02:00,713 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 12:02:00,714 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-10-16 12:02:00,753 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 12:02:00,753 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 12:02:00,756 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 12:02:00,756 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 12:02:00,756 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 12:02:00,756 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 12:02:00,757 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 12:02:00,757 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 12:02:00,757 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 12:02:00,757 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 12:02:00,758 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 12:02:00,759 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 12:02:00,759 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 12:02:00,759 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 12:02:00,759 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 12:02:00,760 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 12:02:00,760 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 12:02:00,760 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 12:02:00,760 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 12:02:00,760 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 12:02:00,761 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 12:02:00,761 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 12:02:00,761 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 12:02:00,761 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-16 12:02:00,761 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 12:02:00,762 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 12:02:00,762 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 12:02:00,762 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-16 12:02:00,762 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 12:02:01,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 12:02:01,026 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 12:02:01,029 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 12:02:01,031 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 12:02:01,031 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 12:02:01,032 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix036_power.opt.i [2020-10-16 12:02:01,110 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0c45d97af/9e5efc9f26b24daaa745dd522f6e5a12/FLAG1fe61e5d2 [2020-10-16 12:02:01,707 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 12:02:01,708 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-wmm/mix036_power.opt.i [2020-10-16 12:02:01,726 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0c45d97af/9e5efc9f26b24daaa745dd522f6e5a12/FLAG1fe61e5d2 [2020-10-16 12:02:01,944 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0c45d97af/9e5efc9f26b24daaa745dd522f6e5a12 [2020-10-16 12:02:01,952 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 12:02:01,954 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 12:02:01,955 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 12:02:01,956 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 12:02:01,959 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 12:02:01,960 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:02:01" (1/1) ... [2020-10-16 12:02:01,963 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f32f165 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:01, skipping insertion in model container [2020-10-16 12:02:01,963 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:02:01" (1/1) ... [2020-10-16 12:02:01,971 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 12:02:02,038 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 12:02:02,552 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:02:02,566 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 12:02:02,630 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:02:02,710 INFO L208 MainTranslator]: Completed translation [2020-10-16 12:02:02,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:02 WrapperNode [2020-10-16 12:02:02,711 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 12:02:02,712 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 12:02:02,712 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 12:02:02,712 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 12:02:02,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:02" (1/1) ... [2020-10-16 12:02:02,741 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:02" (1/1) ... [2020-10-16 12:02:02,775 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 12:02:02,775 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 12:02:02,776 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 12:02:02,776 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 12:02:02,785 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:02" (1/1) ... [2020-10-16 12:02:02,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:02" (1/1) ... [2020-10-16 12:02:02,790 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:02" (1/1) ... [2020-10-16 12:02:02,791 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:02" (1/1) ... [2020-10-16 12:02:02,806 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:02" (1/1) ... [2020-10-16 12:02:02,811 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:02" (1/1) ... [2020-10-16 12:02:02,815 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:02" (1/1) ... [2020-10-16 12:02:02,822 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 12:02:02,822 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 12:02:02,823 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 12:02:02,823 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 12:02:02,824 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:02" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 12:02:02,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 12:02:02,887 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-16 12:02:02,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 12:02:02,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 12:02:02,888 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-16 12:02:02,888 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-16 12:02:02,889 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-16 12:02:02,890 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-16 12:02:02,890 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-16 12:02:02,891 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-16 12:02:02,893 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-10-16 12:02:02,893 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-10-16 12:02:02,894 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-16 12:02:02,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 12:02:02,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 12:02:02,896 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 12:02:04,821 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 12:02:04,822 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-16 12:02:04,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:02:04 BoogieIcfgContainer [2020-10-16 12:02:04,824 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 12:02:04,825 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 12:02:04,826 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 12:02:04,829 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 12:02:04,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:02:01" (1/3) ... [2020-10-16 12:02:04,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b69905e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:02:04, skipping insertion in model container [2020-10-16 12:02:04,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:02" (2/3) ... [2020-10-16 12:02:04,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b69905e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:02:04, skipping insertion in model container [2020-10-16 12:02:04,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:02:04" (3/3) ... [2020-10-16 12:02:04,833 INFO L111 eAbstractionObserver]: Analyzing ICFG mix036_power.opt.i [2020-10-16 12:02:04,845 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 12:02:04,845 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-16 12:02:04,853 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-16 12:02:04,854 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 12:02:04,887 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,888 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,888 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,889 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,889 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,889 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,890 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,890 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,890 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,891 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,891 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,891 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,891 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,891 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,892 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,892 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,892 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,892 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,892 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,893 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,893 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,893 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,893 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,893 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,894 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,894 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,894 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,894 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,894 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,894 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,895 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,895 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,895 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,895 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,895 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,895 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,896 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,896 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,896 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,896 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,896 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,896 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,897 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,897 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,897 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,897 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,897 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,897 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,899 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,900 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,900 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,900 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,901 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,901 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,901 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,901 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,901 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,902 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,902 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,902 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,902 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,902 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,903 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,903 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,903 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,903 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,904 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,904 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,904 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,904 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,905 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,905 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,905 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,905 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,906 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,906 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,906 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,906 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,907 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,907 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,911 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,911 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,911 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,912 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,912 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,912 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,912 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,912 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,913 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,913 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,913 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,913 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,919 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,919 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,919 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,920 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,920 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,920 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,920 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,920 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,921 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,921 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,922 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,923 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,923 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,923 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,925 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,925 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,925 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,926 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,926 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,926 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,926 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,926 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,927 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,927 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,927 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,927 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,927 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,928 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,928 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,928 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,928 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,928 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,929 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,929 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,929 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,929 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,929 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,929 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,930 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,930 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,930 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:02:04,931 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 12:02:04,946 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-16 12:02:04,968 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 12:02:04,968 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 12:02:04,968 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 12:02:04,969 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 12:02:04,969 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 12:02:04,969 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 12:02:04,969 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 12:02:04,969 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 12:02:04,984 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 12:02:04,984 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 125 places, 114 transitions, 248 flow [2020-10-16 12:02:04,987 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 125 places, 114 transitions, 248 flow [2020-10-16 12:02:04,989 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 125 places, 114 transitions, 248 flow [2020-10-16 12:02:05,042 INFO L129 PetriNetUnfolder]: 2/110 cut-off events. [2020-10-16 12:02:05,042 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 12:02:05,048 INFO L80 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 110 events. 2/110 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 82 event pairs, 0 based on Foata normal form. 0/106 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place. [2020-10-16 12:02:05,052 INFO L117 LiptonReduction]: Number of co-enabled transitions 2552 [2020-10-16 12:02:05,666 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2020-10-16 12:02:06,193 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2020-10-16 12:02:07,377 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-16 12:02:07,515 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-16 12:02:07,854 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2020-10-16 12:02:07,985 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-16 12:02:07,996 INFO L132 LiptonReduction]: Checked pairs total: 6727 [2020-10-16 12:02:07,996 INFO L134 LiptonReduction]: Total number of compositions: 94 [2020-10-16 12:02:08,003 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 45 places, 33 transitions, 86 flow [2020-10-16 12:02:08,208 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 3114 states. [2020-10-16 12:02:08,211 INFO L276 IsEmpty]: Start isEmpty. Operand 3114 states. [2020-10-16 12:02:08,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-16 12:02:08,220 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:02:08,221 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:02:08,222 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:02:08,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:02:08,228 INFO L82 PathProgramCache]: Analyzing trace with hash 1213739687, now seen corresponding path program 1 times [2020-10-16 12:02:08,241 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:02:08,242 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243737138] [2020-10-16 12:02:08,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:02:08,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:02:08,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:02:08,552 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243737138] [2020-10-16 12:02:08,553 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:02:08,554 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:02:08,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239558564] [2020-10-16 12:02:08,559 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:02:08,560 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:02:08,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:02:08,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:02:08,578 INFO L87 Difference]: Start difference. First operand 3114 states. Second operand 3 states. [2020-10-16 12:02:08,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:02:08,705 INFO L93 Difference]: Finished difference Result 2602 states and 10064 transitions. [2020-10-16 12:02:08,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:02:08,707 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-16 12:02:08,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:02:08,748 INFO L225 Difference]: With dead ends: 2602 [2020-10-16 12:02:08,748 INFO L226 Difference]: Without dead ends: 2122 [2020-10-16 12:02:08,750 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:02:08,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2122 states. [2020-10-16 12:02:08,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2122 to 2122. [2020-10-16 12:02:08,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2122 states. [2020-10-16 12:02:08,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2122 states to 2122 states and 8080 transitions. [2020-10-16 12:02:08,979 INFO L78 Accepts]: Start accepts. Automaton has 2122 states and 8080 transitions. Word has length 7 [2020-10-16 12:02:08,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:02:08,980 INFO L481 AbstractCegarLoop]: Abstraction has 2122 states and 8080 transitions. [2020-10-16 12:02:08,981 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:02:08,981 INFO L276 IsEmpty]: Start isEmpty. Operand 2122 states and 8080 transitions. [2020-10-16 12:02:08,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-16 12:02:08,984 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:02:08,984 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:02:08,984 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 12:02:08,984 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:02:08,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:02:08,985 INFO L82 PathProgramCache]: Analyzing trace with hash 695207385, now seen corresponding path program 1 times [2020-10-16 12:02:08,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:02:08,985 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934744732] [2020-10-16 12:02:08,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:02:09,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:02:09,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:02:09,050 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934744732] [2020-10-16 12:02:09,050 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:02:09,051 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:02:09,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770553461] [2020-10-16 12:02:09,053 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:02:09,053 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:02:09,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:02:09,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:02:09,054 INFO L87 Difference]: Start difference. First operand 2122 states and 8080 transitions. Second operand 3 states. [2020-10-16 12:02:09,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:02:09,083 INFO L93 Difference]: Finished difference Result 1962 states and 7392 transitions. [2020-10-16 12:02:09,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:02:09,083 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-16 12:02:09,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:02:09,100 INFO L225 Difference]: With dead ends: 1962 [2020-10-16 12:02:09,101 INFO L226 Difference]: Without dead ends: 1962 [2020-10-16 12:02:09,102 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:02:09,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1962 states. [2020-10-16 12:02:09,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1962. [2020-10-16 12:02:09,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1962 states. [2020-10-16 12:02:09,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 7392 transitions. [2020-10-16 12:02:09,184 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 7392 transitions. Word has length 11 [2020-10-16 12:02:09,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:02:09,192 INFO L481 AbstractCegarLoop]: Abstraction has 1962 states and 7392 transitions. [2020-10-16 12:02:09,192 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:02:09,192 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 7392 transitions. [2020-10-16 12:02:09,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-16 12:02:09,198 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:02:09,198 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:02:09,198 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 12:02:09,199 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:02:09,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:02:09,199 INFO L82 PathProgramCache]: Analyzing trace with hash -1960060381, now seen corresponding path program 1 times [2020-10-16 12:02:09,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:02:09,199 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351480539] [2020-10-16 12:02:09,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:02:09,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:02:09,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:02:09,278 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351480539] [2020-10-16 12:02:09,278 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:02:09,278 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 12:02:09,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684832796] [2020-10-16 12:02:09,279 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:02:09,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:02:09,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:02:09,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:02:09,280 INFO L87 Difference]: Start difference. First operand 1962 states and 7392 transitions. Second operand 4 states. [2020-10-16 12:02:09,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:02:09,345 INFO L93 Difference]: Finished difference Result 1974 states and 6736 transitions. [2020-10-16 12:02:09,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 12:02:09,346 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-16 12:02:09,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:02:09,357 INFO L225 Difference]: With dead ends: 1974 [2020-10-16 12:02:09,357 INFO L226 Difference]: Without dead ends: 1494 [2020-10-16 12:02:09,358 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:02:09,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1494 states. [2020-10-16 12:02:09,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1494 to 1494. [2020-10-16 12:02:09,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1494 states. [2020-10-16 12:02:09,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1494 states to 1494 states and 5052 transitions. [2020-10-16 12:02:09,414 INFO L78 Accepts]: Start accepts. Automaton has 1494 states and 5052 transitions. Word has length 13 [2020-10-16 12:02:09,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:02:09,414 INFO L481 AbstractCegarLoop]: Abstraction has 1494 states and 5052 transitions. [2020-10-16 12:02:09,415 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:02:09,415 INFO L276 IsEmpty]: Start isEmpty. Operand 1494 states and 5052 transitions. [2020-10-16 12:02:09,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-16 12:02:09,418 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:02:09,418 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:02:09,418 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 12:02:09,419 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:02:09,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:02:09,419 INFO L82 PathProgramCache]: Analyzing trace with hash 283385669, now seen corresponding path program 1 times [2020-10-16 12:02:09,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:02:09,420 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995505007] [2020-10-16 12:02:09,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:02:09,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:02:09,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:02:09,502 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995505007] [2020-10-16 12:02:09,503 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:02:09,503 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 12:02:09,503 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296922502] [2020-10-16 12:02:09,503 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 12:02:09,504 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:02:09,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 12:02:09,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:02:09,504 INFO L87 Difference]: Start difference. First operand 1494 states and 5052 transitions. Second operand 5 states. [2020-10-16 12:02:09,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:02:09,578 INFO L93 Difference]: Finished difference Result 1257 states and 3889 transitions. [2020-10-16 12:02:09,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 12:02:09,579 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-10-16 12:02:09,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:02:09,586 INFO L225 Difference]: With dead ends: 1257 [2020-10-16 12:02:09,586 INFO L226 Difference]: Without dead ends: 957 [2020-10-16 12:02:09,587 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-16 12:02:09,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 957 states. [2020-10-16 12:02:09,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 957 to 957. [2020-10-16 12:02:09,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 957 states. [2020-10-16 12:02:09,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 957 states and 2904 transitions. [2020-10-16 12:02:09,617 INFO L78 Accepts]: Start accepts. Automaton has 957 states and 2904 transitions. Word has length 16 [2020-10-16 12:02:09,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:02:09,617 INFO L481 AbstractCegarLoop]: Abstraction has 957 states and 2904 transitions. [2020-10-16 12:02:09,618 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 12:02:09,618 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 2904 transitions. [2020-10-16 12:02:09,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-16 12:02:09,620 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:02:09,620 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:02:09,620 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 12:02:09,621 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:02:09,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:02:09,621 INFO L82 PathProgramCache]: Analyzing trace with hash 1006758467, now seen corresponding path program 1 times [2020-10-16 12:02:09,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:02:09,621 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88681726] [2020-10-16 12:02:09,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:02:09,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:02:09,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:02:09,772 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88681726] [2020-10-16 12:02:09,774 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:02:09,774 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 12:02:09,774 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715961115] [2020-10-16 12:02:09,775 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 12:02:09,775 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:02:09,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 12:02:09,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-16 12:02:09,776 INFO L87 Difference]: Start difference. First operand 957 states and 2904 transitions. Second operand 6 states. [2020-10-16 12:02:09,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:02:09,857 INFO L93 Difference]: Finished difference Result 827 states and 2481 transitions. [2020-10-16 12:02:09,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 12:02:09,858 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2020-10-16 12:02:09,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:02:09,864 INFO L225 Difference]: With dead ends: 827 [2020-10-16 12:02:09,864 INFO L226 Difference]: Without dead ends: 728 [2020-10-16 12:02:09,865 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-16 12:02:09,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2020-10-16 12:02:09,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 728. [2020-10-16 12:02:09,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 728 states. [2020-10-16 12:02:09,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 728 states and 2217 transitions. [2020-10-16 12:02:09,891 INFO L78 Accepts]: Start accepts. Automaton has 728 states and 2217 transitions. Word has length 19 [2020-10-16 12:02:09,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:02:09,891 INFO L481 AbstractCegarLoop]: Abstraction has 728 states and 2217 transitions. [2020-10-16 12:02:09,892 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 12:02:09,892 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 2217 transitions. [2020-10-16 12:02:09,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-16 12:02:09,895 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:02:09,895 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:02:09,895 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 12:02:09,895 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:02:09,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:02:09,898 INFO L82 PathProgramCache]: Analyzing trace with hash -1692708101, now seen corresponding path program 1 times [2020-10-16 12:02:09,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:02:09,898 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987709724] [2020-10-16 12:02:09,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:02:09,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:02:10,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:02:10,016 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987709724] [2020-10-16 12:02:10,016 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:02:10,016 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 12:02:10,016 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585977976] [2020-10-16 12:02:10,017 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:02:10,018 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:02:10,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:02:10,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:02:10,019 INFO L87 Difference]: Start difference. First operand 728 states and 2217 transitions. Second operand 4 states. [2020-10-16 12:02:10,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:02:10,048 INFO L93 Difference]: Finished difference Result 935 states and 2784 transitions. [2020-10-16 12:02:10,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-16 12:02:10,048 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-10-16 12:02:10,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:02:10,055 INFO L225 Difference]: With dead ends: 935 [2020-10-16 12:02:10,055 INFO L226 Difference]: Without dead ends: 731 [2020-10-16 12:02:10,055 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:02:10,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2020-10-16 12:02:10,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 728. [2020-10-16 12:02:10,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 728 states. [2020-10-16 12:02:10,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 728 states and 2155 transitions. [2020-10-16 12:02:10,079 INFO L78 Accepts]: Start accepts. Automaton has 728 states and 2155 transitions. Word has length 22 [2020-10-16 12:02:10,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:02:10,079 INFO L481 AbstractCegarLoop]: Abstraction has 728 states and 2155 transitions. [2020-10-16 12:02:10,080 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:02:10,080 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 2155 transitions. [2020-10-16 12:02:10,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-16 12:02:10,082 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:02:10,083 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:02:10,083 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 12:02:10,083 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:02:10,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:02:10,083 INFO L82 PathProgramCache]: Analyzing trace with hash -8285501, now seen corresponding path program 2 times [2020-10-16 12:02:10,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:02:10,084 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555850105] [2020-10-16 12:02:10,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:02:10,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:02:10,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:02:10,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555850105] [2020-10-16 12:02:10,175 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:02:10,175 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 12:02:10,176 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653952262] [2020-10-16 12:02:10,176 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:02:10,177 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:02:10,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:02:10,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:02:10,177 INFO L87 Difference]: Start difference. First operand 728 states and 2155 transitions. Second operand 4 states. [2020-10-16 12:02:10,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:02:10,197 INFO L93 Difference]: Finished difference Result 1008 states and 2882 transitions. [2020-10-16 12:02:10,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-16 12:02:10,198 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-10-16 12:02:10,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:02:10,203 INFO L225 Difference]: With dead ends: 1008 [2020-10-16 12:02:10,203 INFO L226 Difference]: Without dead ends: 649 [2020-10-16 12:02:10,203 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:02:10,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2020-10-16 12:02:10,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 647. [2020-10-16 12:02:10,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 647 states. [2020-10-16 12:02:10,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 1739 transitions. [2020-10-16 12:02:10,284 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 1739 transitions. Word has length 22 [2020-10-16 12:02:10,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:02:10,284 INFO L481 AbstractCegarLoop]: Abstraction has 647 states and 1739 transitions. [2020-10-16 12:02:10,284 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:02:10,285 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 1739 transitions. [2020-10-16 12:02:10,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-16 12:02:10,287 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:02:10,287 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:02:10,287 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 12:02:10,287 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:02:10,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:02:10,288 INFO L82 PathProgramCache]: Analyzing trace with hash 409441533, now seen corresponding path program 3 times [2020-10-16 12:02:10,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:02:10,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999041024] [2020-10-16 12:02:10,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:02:10,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:02:10,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:02:10,397 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999041024] [2020-10-16 12:02:10,398 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:02:10,398 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 12:02:10,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429693312] [2020-10-16 12:02:10,398 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 12:02:10,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:02:10,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 12:02:10,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-16 12:02:10,399 INFO L87 Difference]: Start difference. First operand 647 states and 1739 transitions. Second operand 7 states. [2020-10-16 12:02:10,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:02:10,476 INFO L93 Difference]: Finished difference Result 620 states and 1685 transitions. [2020-10-16 12:02:10,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-16 12:02:10,477 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2020-10-16 12:02:10,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:02:10,479 INFO L225 Difference]: With dead ends: 620 [2020-10-16 12:02:10,479 INFO L226 Difference]: Without dead ends: 184 [2020-10-16 12:02:10,479 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-16 12:02:10,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2020-10-16 12:02:10,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2020-10-16 12:02:10,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2020-10-16 12:02:10,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 454 transitions. [2020-10-16 12:02:10,486 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 454 transitions. Word has length 22 [2020-10-16 12:02:10,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:02:10,486 INFO L481 AbstractCegarLoop]: Abstraction has 184 states and 454 transitions. [2020-10-16 12:02:10,487 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 12:02:10,487 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 454 transitions. [2020-10-16 12:02:10,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-16 12:02:10,488 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:02:10,488 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:02:10,488 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 12:02:10,488 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:02:10,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:02:10,489 INFO L82 PathProgramCache]: Analyzing trace with hash 1534432011, now seen corresponding path program 1 times [2020-10-16 12:02:10,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:02:10,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226264125] [2020-10-16 12:02:10,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:02:10,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:02:10,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:02:10,541 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226264125] [2020-10-16 12:02:10,541 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:02:10,541 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 12:02:10,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683886164] [2020-10-16 12:02:10,542 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:02:10,542 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:02:10,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:02:10,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:02:10,543 INFO L87 Difference]: Start difference. First operand 184 states and 454 transitions. Second operand 4 states. [2020-10-16 12:02:10,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:02:10,557 INFO L93 Difference]: Finished difference Result 282 states and 694 transitions. [2020-10-16 12:02:10,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-16 12:02:10,558 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2020-10-16 12:02:10,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:02:10,559 INFO L225 Difference]: With dead ends: 282 [2020-10-16 12:02:10,559 INFO L226 Difference]: Without dead ends: 120 [2020-10-16 12:02:10,560 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:02:10,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-10-16 12:02:10,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2020-10-16 12:02:10,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-10-16 12:02:10,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 272 transitions. [2020-10-16 12:02:10,563 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 272 transitions. Word has length 26 [2020-10-16 12:02:10,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:02:10,564 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 272 transitions. [2020-10-16 12:02:10,564 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:02:10,564 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 272 transitions. [2020-10-16 12:02:10,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-16 12:02:10,565 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:02:10,565 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:02:10,565 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-16 12:02:10,565 INFO L429 AbstractCegarLoop]: === Iteration 10 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:02:10,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:02:10,566 INFO L82 PathProgramCache]: Analyzing trace with hash -166315241, now seen corresponding path program 2 times [2020-10-16 12:02:10,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:02:10,566 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151586890] [2020-10-16 12:02:10,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:02:10,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:02:10,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:02:10,723 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151586890] [2020-10-16 12:02:10,724 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:02:10,724 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 12:02:10,724 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49842919] [2020-10-16 12:02:10,724 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 12:02:10,725 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:02:10,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 12:02:10,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:02:10,726 INFO L87 Difference]: Start difference. First operand 120 states and 272 transitions. Second operand 5 states. [2020-10-16 12:02:10,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:02:10,818 INFO L93 Difference]: Finished difference Result 146 states and 326 transitions. [2020-10-16 12:02:10,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 12:02:10,819 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-10-16 12:02:10,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:02:10,820 INFO L225 Difference]: With dead ends: 146 [2020-10-16 12:02:10,820 INFO L226 Difference]: Without dead ends: 120 [2020-10-16 12:02:10,821 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-16 12:02:10,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-10-16 12:02:10,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2020-10-16 12:02:10,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-10-16 12:02:10,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 268 transitions. [2020-10-16 12:02:10,826 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 268 transitions. Word has length 26 [2020-10-16 12:02:10,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:02:10,827 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 268 transitions. [2020-10-16 12:02:10,827 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 12:02:10,827 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 268 transitions. [2020-10-16 12:02:10,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-16 12:02:10,831 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:02:10,831 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:02:10,831 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-16 12:02:10,832 INFO L429 AbstractCegarLoop]: === Iteration 11 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:02:10,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:02:10,832 INFO L82 PathProgramCache]: Analyzing trace with hash 1934847511, now seen corresponding path program 3 times [2020-10-16 12:02:10,832 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:02:10,832 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184754987] [2020-10-16 12:02:10,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:02:10,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:02:11,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:02:11,065 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184754987] [2020-10-16 12:02:11,065 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:02:11,065 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 12:02:11,065 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857487353] [2020-10-16 12:02:11,066 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 12:02:11,066 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:02:11,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 12:02:11,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-16 12:02:11,066 INFO L87 Difference]: Start difference. First operand 120 states and 268 transitions. Second operand 7 states. [2020-10-16 12:02:11,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:02:11,156 INFO L93 Difference]: Finished difference Result 138 states and 302 transitions. [2020-10-16 12:02:11,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 12:02:11,157 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-10-16 12:02:11,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:02:11,158 INFO L225 Difference]: With dead ends: 138 [2020-10-16 12:02:11,158 INFO L226 Difference]: Without dead ends: 74 [2020-10-16 12:02:11,159 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-16 12:02:11,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-10-16 12:02:11,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2020-10-16 12:02:11,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-10-16 12:02:11,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 144 transitions. [2020-10-16 12:02:11,161 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 144 transitions. Word has length 26 [2020-10-16 12:02:11,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:02:11,162 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 144 transitions. [2020-10-16 12:02:11,162 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 12:02:11,162 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 144 transitions. [2020-10-16 12:02:11,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-16 12:02:11,162 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:02:11,163 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:02:11,163 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-16 12:02:11,163 INFO L429 AbstractCegarLoop]: === Iteration 12 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:02:11,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:02:11,163 INFO L82 PathProgramCache]: Analyzing trace with hash 1301628719, now seen corresponding path program 4 times [2020-10-16 12:02:11,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:02:11,164 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824506652] [2020-10-16 12:02:11,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:02:11,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:02:11,216 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:02:11,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:02:11,262 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:02:11,302 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 12:02:11,302 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 12:02:11,302 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-16 12:02:11,303 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 12:02:11,331 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [974] [974] L2-->L870: Formula: (let ((.cse9 (= (mod ~y$w_buff1_used~0_In1256759790 256) 0)) (.cse8 (= (mod ~y$r_buff1_thd0~0_In1256759790 256) 0)) (.cse6 (= (mod ~y$w_buff0_used~0_In1256759790 256) 0)) (.cse7 (= (mod ~y$r_buff0_thd0~0_In1256759790 256) 0))) (let ((.cse0 (or .cse6 .cse7)) (.cse4 (not .cse8)) (.cse5 (not .cse9)) (.cse3 (or .cse8 .cse9)) (.cse1 (not .cse7)) (.cse2 (not .cse6))) (and (not (= ULTIMATE.start_assume_abort_if_not_~cond_Out1256759790 0)) (or (and (= ~y$w_buff0_used~0_In1256759790 ~y$w_buff0_used~0_Out1256759790) .cse0) (and .cse1 (= ~y$w_buff0_used~0_Out1256759790 0) .cse2)) (= ~y$r_buff0_thd0~0_In1256759790 ~y$r_buff0_thd0~0_Out1256759790) (= ULTIMATE.start_assume_abort_if_not_~cond_Out1256759790 |ULTIMATE.start_assume_abort_if_not_#in~cond_In1256759790|) (or (and (= ~y$w_buff1_used~0_In1256759790 ~y$w_buff1_used~0_Out1256759790) .cse3) (and (= 0 ~y$w_buff1_used~0_Out1256759790) .cse4 .cse5)) (or (and .cse0 (or (and .cse4 (= ~y~0_Out1256759790 ~y$w_buff1~0_In1256759790) .cse5) (and .cse3 (= ~y~0_Out1256759790 ~y~0_In1256759790)))) (and .cse1 (= ~y~0_Out1256759790 ~y$w_buff0~0_In1256759790) .cse2)) (= ~y$r_buff1_thd0~0_Out1256759790 ~y$r_buff1_thd0~0_In1256759790)))) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In1256759790|, ~y$w_buff0_used~0=~y$w_buff0_used~0_In1256759790, ~y$w_buff1~0=~y$w_buff1~0_In1256759790, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In1256759790, ~y$w_buff0~0=~y$w_buff0~0_In1256759790, ~y~0=~y~0_In1256759790, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In1256759790, ~y$w_buff1_used~0=~y$w_buff1_used~0_In1256759790} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_Out1256759790, ULTIMATE.start_main_#t~ite46=|ULTIMATE.start_main_#t~ite46_Out1256759790|, ULTIMATE.start_main_#t~ite43=|ULTIMATE.start_main_#t~ite43_Out1256759790|, ULTIMATE.start_main_#t~ite42=|ULTIMATE.start_main_#t~ite42_Out1256759790|, ULTIMATE.start_main_#t~ite45=|ULTIMATE.start_main_#t~ite45_Out1256759790|, ULTIMATE.start_main_#t~ite44=|ULTIMATE.start_main_#t~ite44_Out1256759790|, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In1256759790|, ULTIMATE.start_main_#t~ite41=|ULTIMATE.start_main_#t~ite41_Out1256759790|, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_Out1256759790, ~y$w_buff1~0=~y$w_buff1~0_In1256759790, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_Out1256759790, ~y$w_buff0~0=~y$w_buff0~0_In1256759790, ~y~0=~y~0_Out1256759790, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_Out1256759790, ~y$w_buff1_used~0=~y$w_buff1_used~0_Out1256759790} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite41, ULTIMATE.start_assume_abort_if_not_~cond, ~y$w_buff0_used~0, ~y$r_buff0_thd0~0, ULTIMATE.start_main_#t~ite46, ULTIMATE.start_main_#t~ite43, ~y~0, ULTIMATE.start_main_#t~ite42, ~y$r_buff1_thd0~0, ULTIMATE.start_main_#t~ite45, ULTIMATE.start_main_#t~ite44, ~y$w_buff1_used~0] because there is no mapped edge [2020-10-16 12:02:11,339 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:11,339 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:11,341 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:11,341 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:11,341 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:11,342 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:11,342 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:11,342 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:11,342 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:11,342 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:11,343 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:11,343 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:11,343 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:11,343 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:11,343 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:11,343 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:11,344 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:11,344 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:11,344 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:11,344 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:11,344 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:11,344 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:11,345 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:11,345 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:11,345 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:11,345 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:11,346 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:11,346 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:11,346 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:11,346 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:11,346 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:11,346 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:11,347 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:11,347 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:11,347 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:11,347 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:11,348 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:11,348 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:11,348 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:11,348 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:11,349 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:11,349 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:11,349 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:11,349 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:11,349 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:11,349 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:11,350 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:02:11,350 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:02:11,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 12:02:11 BasicIcfg [2020-10-16 12:02:11,442 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 12:02:11,443 INFO L168 Benchmark]: Toolchain (without parser) took 9489.89 ms. Allocated memory was 140.0 MB in the beginning and 340.3 MB in the end (delta: 200.3 MB). Free memory was 101.0 MB in the beginning and 98.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 202.3 MB. Max. memory is 7.1 GB. [2020-10-16 12:02:11,444 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-16 12:02:11,445 INFO L168 Benchmark]: CACSL2BoogieTranslator took 756.42 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 100.8 MB in the beginning and 158.1 MB in the end (delta: -57.3 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. [2020-10-16 12:02:11,446 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.01 ms. Allocated memory is still 203.9 MB. Free memory was 158.1 MB in the beginning and 155.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-10-16 12:02:11,446 INFO L168 Benchmark]: Boogie Preprocessor took 46.53 ms. Allocated memory is still 203.9 MB. Free memory was 155.4 MB in the beginning and 152.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-10-16 12:02:11,450 INFO L168 Benchmark]: RCFGBuilder took 2002.03 ms. Allocated memory was 203.9 MB in the beginning and 249.0 MB in the end (delta: 45.1 MB). Free memory was 152.8 MB in the beginning and 198.8 MB in the end (delta: -45.9 MB). Peak memory consumption was 104.5 MB. Max. memory is 7.1 GB. [2020-10-16 12:02:11,451 INFO L168 Benchmark]: TraceAbstraction took 6616.25 ms. Allocated memory was 249.0 MB in the beginning and 340.3 MB in the end (delta: 91.2 MB). Free memory was 196.9 MB in the beginning and 98.9 MB in the end (delta: 98.0 MB). Peak memory consumption was 189.2 MB. Max. memory is 7.1 GB. [2020-10-16 12:02:11,461 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 756.42 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 100.8 MB in the beginning and 158.1 MB in the end (delta: -57.3 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 63.01 ms. Allocated memory is still 203.9 MB. Free memory was 158.1 MB in the beginning and 155.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.53 ms. Allocated memory is still 203.9 MB. Free memory was 155.4 MB in the beginning and 152.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2002.03 ms. Allocated memory was 203.9 MB in the beginning and 249.0 MB in the end (delta: 45.1 MB). Free memory was 152.8 MB in the beginning and 198.8 MB in the end (delta: -45.9 MB). Peak memory consumption was 104.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6616.25 ms. Allocated memory was 249.0 MB in the beginning and 340.3 MB in the end (delta: 91.2 MB). Free memory was 196.9 MB in the beginning and 98.9 MB in the end (delta: 98.0 MB). Peak memory consumption was 189.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1363 VarBasedMoverChecksPositive, 34 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 140 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.0s, 125 PlacesBefore, 45 PlacesAfterwards, 114 TransitionsBefore, 33 TransitionsAfterwards, 2552 CoEnabledTransitionPairs, 7 FixpointIterations, 39 TrivialSequentialCompositions, 47 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 1 ChoiceCompositions, 94 TotalNumberOfCompositions, 6727 MoverChecksTotal - CounterExampleResult [Line: 7]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L699] 0 int __unbuffered_cnt = 0; [L701] 0 int __unbuffered_p0_EAX = 0; [L703] 0 int __unbuffered_p1_EAX = 0; [L705] 0 int __unbuffered_p2_EAX = 0; [L707] 0 int __unbuffered_p3_EAX = 0; [L709] 0 int __unbuffered_p3_EBX = 0; [L711] 0 int a = 0; [L713] 0 int b = 0; [L714] 0 _Bool main$tmp_guard0; [L715] 0 _Bool main$tmp_guard1; [L717] 0 int x = 0; [L719] 0 int y = 0; [L720] 0 _Bool y$flush_delayed; [L721] 0 int y$mem_tmp; [L722] 0 _Bool y$r_buff0_thd0; [L723] 0 _Bool y$r_buff0_thd1; [L724] 0 _Bool y$r_buff0_thd2; [L725] 0 _Bool y$r_buff0_thd3; [L726] 0 _Bool y$r_buff0_thd4; [L727] 0 _Bool y$r_buff1_thd0; [L728] 0 _Bool y$r_buff1_thd1; [L729] 0 _Bool y$r_buff1_thd2; [L730] 0 _Bool y$r_buff1_thd3; [L731] 0 _Bool y$r_buff1_thd4; [L732] 0 _Bool y$read_delayed; [L733] 0 int *y$read_delayed_var; [L734] 0 int y$w_buff0; [L735] 0 _Bool y$w_buff0_used; [L736] 0 int y$w_buff1; [L737] 0 _Bool y$w_buff1_used; [L739] 0 int z = 0; [L740] 0 _Bool weak$$choice0; [L741] 0 _Bool weak$$choice2; [L852] 0 pthread_t t941; [L853] FCALL, FORK 0 pthread_create(&t941, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L854] 0 pthread_t t942; [L855] FCALL, FORK 0 pthread_create(&t942, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L856] 0 pthread_t t943; [L857] FCALL, FORK 0 pthread_create(&t943, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L858] 0 pthread_t t944; [L859] FCALL, FORK 0 pthread_create(&t944, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L788] 3 y$w_buff1 = y$w_buff0 [L789] 3 y$w_buff0 = 1 [L790] 3 y$w_buff1_used = y$w_buff0_used [L791] 3 y$w_buff0_used = (_Bool)1 [L7] COND TRUE 3 !expression [L7] 3 __VERIFIER_error() [L793] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L794] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L795] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L796] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L797] 3 y$r_buff1_thd4 = y$r_buff0_thd4 [L798] 3 y$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L801] 3 __unbuffered_p2_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L818] 4 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L821] 4 a = 1 [L824] 4 __unbuffered_p3_EAX = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L827] 4 __unbuffered_p3_EBX = b VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L745] 1 b = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L748] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L760] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L753] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L755] 1 return 0; [L763] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L764] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L765] 2 y$flush_delayed = weak$$choice2 [L766] 2 y$mem_tmp = y [L767] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L767] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L768] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L768] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L769] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L769] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L770] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L770] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used) [L770] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L770] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L771] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L771] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L771] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0 [L771] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L771] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L771] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L772] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L772] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2) [L772] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L772] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L773] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L773] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L774] 2 __unbuffered_p1_EAX = y [L775] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L775] 2 y = y$flush_delayed ? y$mem_tmp : y [L776] 2 y$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=10, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L804] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L804] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L805] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L805] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L806] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L806] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L807] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L807] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L808] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L808] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L811] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L813] 3 return 0; [L781] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L783] 2 return 0; [L830] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L830] EXPR 4 y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y [L830] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L830] 4 y = y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L831] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$w_buff0_used [L831] 4 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$w_buff0_used [L832] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$w_buff1_used [L832] 4 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$w_buff1_used [L833] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$r_buff0_thd4 [L833] 4 y$r_buff0_thd4 = y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$r_buff0_thd4 [L834] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$r_buff1_thd4 [L834] 4 y$r_buff1_thd4 = y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$r_buff1_thd4 [L837] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L839] 4 return 0; [L861] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L872] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L7] COND TRUE 0 !expression [L7] 0 __VERIFIER_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=10, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 113 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 6.3s, OverallIterations: 12, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.2s, HoareTripleCheckerStatistics: 401 SDtfs, 417 SDslu, 668 SDs, 0 SdLazy, 228 SolverSat, 56 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 49 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3114occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 236 NumberOfCodeBlocks, 236 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 199 ConstructedInterpolants, 0 QuantifiedInterpolants, 18385 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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...