/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-SemanticLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix028_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-12 21:22:23,746 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-12 21:22:23,749 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-12 21:22:23,785 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-12 21:22:23,839 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-12 21:22:23,840 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-12 21:22:23,840 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-12 21:22:23,844 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-SemanticLbe-Delay.epf [2021-03-12 21:22:23,875 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-12 21:22:23,875 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-12 21:22:23,876 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-12 21:22:23,876 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-12 21:22:23,878 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-12 21:22:23,879 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-12 21:22:23,879 INFO L138 SettingsManager]: * Use SBE=true [2021-03-12 21:22:23,879 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-12 21:22:23,879 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-12 21:22:23,879 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-12 21:22:23,880 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-12 21:22:23,880 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-12 21:22:23,880 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-12 21:22:23,881 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-12 21:22:23,881 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-12 21:22:23,881 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-12 21:22:23,881 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-12 21:22:23,881 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-12 21:22:23,881 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-12 21:22:23,881 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-12 21:22:23,881 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-12 21:22:23,882 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-12 21:22:23,882 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-12 21:22:23,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 21:22:23,882 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-12 21:22:23,882 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-12 21:22:23,882 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-12 21:22:23,882 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-12 21:22:23,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-12 21:22:23,883 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-12 21:22:23,883 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-12 21:22:23,883 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-03-12 21:22:23,883 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-12 21:22:24,189 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-12 21:22:24,218 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-12 21:22:24,221 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-12 21:22:24,222 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-12 21:22:24,223 INFO L275 PluginConnector]: CDTParser initialized [2021-03-12 21:22:24,224 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix028_power.opt.i [2021-03-12 21:22:24,281 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74b5d3314/127136b745d646b18af44c9e4ff4c1b2/FLAGd11f1b036 [2021-03-12 21:22:24,772 INFO L306 CDTParser]: Found 1 translation units. [2021-03-12 21:22:24,773 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix028_power.opt.i [2021-03-12 21:22:24,792 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74b5d3314/127136b745d646b18af44c9e4ff4c1b2/FLAGd11f1b036 [2021-03-12 21:22:25,097 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74b5d3314/127136b745d646b18af44c9e4ff4c1b2 [2021-03-12 21:22:25,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-12 21:22:25,105 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-12 21:22:25,108 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-12 21:22:25,108 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-12 21:22:25,112 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-12 21:22:25,113 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.03 09:22:25" (1/1) ... [2021-03-12 21:22:25,114 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f6a9612 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:22:25, skipping insertion in model container [2021-03-12 21:22:25,114 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.03 09:22:25" (1/1) ... [2021-03-12 21:22:25,119 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-12 21:22:25,173 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-12 21:22:25,341 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix028_power.opt.i[950,963] [2021-03-12 21:22:25,536 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-12 21:22:25,547 INFO L203 MainTranslator]: Completed pre-run [2021-03-12 21:22:25,558 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix028_power.opt.i[950,963] [2021-03-12 21:22:25,620 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-12 21:22:25,689 INFO L208 MainTranslator]: Completed translation [2021-03-12 21:22:25,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:22:25 WrapperNode [2021-03-12 21:22:25,690 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-12 21:22:25,691 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-12 21:22:25,691 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-12 21:22:25,691 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-12 21:22:25,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:22:25" (1/1) ... [2021-03-12 21:22:25,731 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:22:25" (1/1) ... [2021-03-12 21:22:25,770 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-12 21:22:25,771 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-12 21:22:25,771 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-12 21:22:25,771 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-12 21:22:25,781 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:22:25" (1/1) ... [2021-03-12 21:22:25,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:22:25" (1/1) ... [2021-03-12 21:22:25,791 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:22:25" (1/1) ... [2021-03-12 21:22:25,792 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:22:25" (1/1) ... [2021-03-12 21:22:25,812 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:22:25" (1/1) ... [2021-03-12 21:22:25,815 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:22:25" (1/1) ... [2021-03-12 21:22:25,817 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:22:25" (1/1) ... [2021-03-12 21:22:25,839 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-12 21:22:25,840 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-12 21:22:25,841 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-12 21:22:25,841 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-12 21:22:25,841 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:22:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 21:22:25,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-12 21:22:25,901 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-12 21:22:25,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-12 21:22:25,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-12 21:22:25,903 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-12 21:22:25,904 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-12 21:22:25,904 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-12 21:22:25,904 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-12 21:22:25,904 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-12 21:22:25,904 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-12 21:22:25,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-12 21:22:25,904 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-12 21:22:25,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-12 21:22:25,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-12 21:22:25,906 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-12 21:22:27,735 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-12 21:22:27,735 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-12 21:22:27,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 09:22:27 BoogieIcfgContainer [2021-03-12 21:22:27,738 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-12 21:22:27,739 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-12 21:22:27,739 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-12 21:22:27,741 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-12 21:22:27,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.03 09:22:25" (1/3) ... [2021-03-12 21:22:27,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c846c0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 09:22:27, skipping insertion in model container [2021-03-12 21:22:27,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:22:25" (2/3) ... [2021-03-12 21:22:27,743 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c846c0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 09:22:27, skipping insertion in model container [2021-03-12 21:22:27,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 09:22:27" (3/3) ... [2021-03-12 21:22:27,744 INFO L111 eAbstractionObserver]: Analyzing ICFG mix028_power.opt.i [2021-03-12 21:22:27,749 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-12 21:22:27,749 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-12 21:22:27,753 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-12 21:22:27,753 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-12 21:22:27,786 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,787 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,787 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,787 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,787 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,787 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,787 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,787 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,787 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,788 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,788 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,788 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,788 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,788 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,788 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,788 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,789 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,789 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,789 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,789 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,790 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,790 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,790 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,790 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,791 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,791 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,792 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,792 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,792 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,792 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,793 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,793 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,793 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,793 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,793 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,793 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,793 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,793 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,794 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,794 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,794 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,794 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,794 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,794 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,795 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,795 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,795 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,795 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,795 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,795 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,795 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,795 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,796 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,796 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,796 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,796 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,796 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,796 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,796 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,796 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,797 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,797 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,797 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,797 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,797 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,798 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,798 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,798 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,798 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,798 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,798 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,798 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,798 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,798 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,798 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,799 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,799 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,799 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,799 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,799 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,800 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,800 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,800 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,800 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,800 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,800 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,802 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,803 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,803 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,803 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,803 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,803 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,803 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,803 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,805 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,805 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,809 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,809 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,809 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,810 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,815 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,816 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,816 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,816 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,816 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,817 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,817 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,817 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,818 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,818 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,819 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,819 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,819 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,819 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,819 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,819 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,819 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,819 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:27,820 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-12 21:22:27,832 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-03-12 21:22:27,874 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-12 21:22:27,874 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-12 21:22:27,874 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-12 21:22:27,874 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-12 21:22:27,874 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-12 21:22:27,874 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-12 21:22:27,875 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-12 21:22:27,875 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-12 21:22:27,883 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-12 21:22:27,883 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 107 places, 99 transitions, 213 flow [2021-03-12 21:22:27,885 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 107 places, 99 transitions, 213 flow [2021-03-12 21:22:27,886 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 107 places, 99 transitions, 213 flow [2021-03-12 21:22:27,920 INFO L129 PetriNetUnfolder]: 2/96 cut-off events. [2021-03-12 21:22:27,920 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-12 21:22:27,923 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 96 events. 2/96 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 67 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2021-03-12 21:22:27,925 INFO L116 LiptonReduction]: Number of co-enabled transitions 1770 [2021-03-12 21:22:29,282 WARN L205 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-03-12 21:22:29,570 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-03-12 21:22:30,938 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 312 DAG size of output: 267 [2021-03-12 21:22:31,547 WARN L205 SmtUtils]: Spent 597.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2021-03-12 21:22:33,329 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-03-12 21:22:33,687 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-03-12 21:22:33,803 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-12 21:22:34,597 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2021-03-12 21:22:35,612 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2021-03-12 21:22:35,763 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-03-12 21:22:36,057 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2021-03-12 21:22:36,181 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-03-12 21:22:36,200 INFO L131 LiptonReduction]: Checked pairs total: 5204 [2021-03-12 21:22:36,200 INFO L133 LiptonReduction]: Total number of compositions: 82 [2021-03-12 21:22:36,218 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 21:22:36,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 21:22:36,222 INFO L82 PathProgramCache]: Analyzing trace with hash 1007429557, now seen corresponding path program 1 times [2021-03-12 21:22:36,227 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 21:22:36,228 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903564349] [2021-03-12 21:22:36,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 21:22:36,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 21:22:36,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 21:22:36,544 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903564349] [2021-03-12 21:22:36,544 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 21:22:36,545 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-12 21:22:36,545 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198417432] [2021-03-12 21:22:36,549 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-12 21:22:36,549 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 21:22:36,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-12 21:22:36,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-12 21:22:36,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:22:36,568 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 21:22:36,568 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 21:22:36,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:22:36,644 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite26_108| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:36,648 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:36,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 21:22:36,697 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-12 21:22:36,697 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 21:22:36,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 21:22:36,698 INFO L82 PathProgramCache]: Analyzing trace with hash 1091182348, now seen corresponding path program 1 times [2021-03-12 21:22:36,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 21:22:36,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609189847] [2021-03-12 21:22:36,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 21:22:36,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 21:22:36,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 21:22:36,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609189847] [2021-03-12 21:22:36,898 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 21:22:36,899 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-12 21:22:36,899 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85782380] [2021-03-12 21:22:36,900 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-12 21:22:36,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 21:22:36,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-12 21:22:36,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-12 21:22:36,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:22:36,901 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 21:22:36,901 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 21:22:36,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 21:22:36,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:22:36,940 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite48_106| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:36,940 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45_96| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:36,940 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43_94| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:36,940 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46_88| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:36,941 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42_96| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:36,941 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:36,941 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39_80| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:36,941 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite51_88| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:36,941 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite49_98| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:36,941 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite52_84| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:36,941 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:36,941 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34_78| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:36,942 WARN L313 ript$VariableManager]: TermVariabe v_~x~0_222 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:36,942 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36_80| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:36,943 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:36,973 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite48_106| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:36,974 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45_96| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:36,974 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43_94| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:36,974 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46_88| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:36,974 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42_96| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:36,974 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:36,974 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39_80| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:36,974 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite51_88| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:36,975 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite49_98| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:36,975 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite52_84| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:36,975 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:36,975 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34_78| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:36,975 WARN L313 ript$VariableManager]: TermVariabe v_~x~0_222 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:36,975 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36_80| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:36,977 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:37,034 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite48_106| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:37,035 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45_96| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:37,036 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43_94| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:37,036 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46_88| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:37,037 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42_96| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:37,037 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:37,037 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39_80| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:37,037 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite51_88| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:37,037 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite49_98| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:37,038 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite52_84| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:37,038 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:37,041 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34_78| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:37,041 WARN L313 ript$VariableManager]: TermVariabe v_~x~0_222 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:37,041 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36_80| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:37,066 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite48_106| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:37,066 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45_96| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:37,066 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43_94| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:37,067 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46_88| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:37,067 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42_96| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:37,067 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:37,067 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39_80| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:37,067 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite51_88| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:37,067 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite49_98| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:37,068 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite52_84| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:37,068 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:37,068 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34_78| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:37,068 WARN L313 ript$VariableManager]: TermVariabe v_~x~0_222 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:37,068 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36_80| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:37,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 21:22:37,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 21:22:37,116 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-12 21:22:37,116 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 21:22:37,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 21:22:37,117 INFO L82 PathProgramCache]: Analyzing trace with hash -18649280, now seen corresponding path program 1 times [2021-03-12 21:22:37,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 21:22:37,117 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051337985] [2021-03-12 21:22:37,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 21:22:37,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 21:22:37,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 21:22:37,292 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051337985] [2021-03-12 21:22:37,292 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 21:22:37,292 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-12 21:22:37,293 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450542768] [2021-03-12 21:22:37,293 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-12 21:22:37,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 21:22:37,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-12 21:22:37,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-12 21:22:37,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:22:37,294 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 21:22:37,294 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 21:22:37,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 21:22:37,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 21:22:37,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:22:37,339 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite26_108| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:37,340 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:37,362 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite26_108| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:37,363 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:37,384 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:37,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 21:22:37,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 21:22:37,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 21:22:37,414 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-12 21:22:37,414 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 21:22:37,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 21:22:37,414 INFO L82 PathProgramCache]: Analyzing trace with hash -2099904004, now seen corresponding path program 2 times [2021-03-12 21:22:37,415 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 21:22:37,415 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295685137] [2021-03-12 21:22:37,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 21:22:37,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 21:22:37,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 21:22:37,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295685137] [2021-03-12 21:22:37,589 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 21:22:37,589 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-12 21:22:37,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866380288] [2021-03-12 21:22:37,589 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-12 21:22:37,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 21:22:37,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-12 21:22:37,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-12 21:22:37,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:22:37,590 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 21:22:37,590 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 21:22:37,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 21:22:37,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 21:22:37,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 21:22:37,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:22:37,685 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:37,687 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite26_108| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:37,688 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:37,709 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite26_108| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:37,710 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:37,725 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:37,727 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:37,749 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite26_108| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:37,750 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:37,783 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:37,812 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite26_108| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:37,826 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite26_108| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:37,843 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite26_108| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:37,859 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite26_108| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:37,874 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite26_108| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:37,893 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:37,907 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:37,922 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:37,936 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:37,954 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite26_108| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:37,955 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:37,979 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite26_108| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:38,000 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:38,013 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:38,027 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:38,040 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:38,064 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:38,065 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:38,094 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:38,097 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite26_108| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:38,098 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:38,119 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite26_108| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:38,119 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:38,137 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:38,138 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:38,170 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite26_108| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:38,170 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:38,188 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:38,196 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite26_108| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:38,196 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:38,219 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:38,220 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:38,250 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:38,279 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:38,317 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:38,333 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:38,347 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:38,372 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:38,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 21:22:38,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 21:22:38,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 21:22:38,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 21:22:38,388 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-12 21:22:38,388 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 21:22:38,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 21:22:38,389 INFO L82 PathProgramCache]: Analyzing trace with hash -1605003112, now seen corresponding path program 2 times [2021-03-12 21:22:38,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 21:22:38,389 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825478323] [2021-03-12 21:22:38,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 21:22:38,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 21:22:38,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 21:22:38,684 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825478323] [2021-03-12 21:22:38,684 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 21:22:38,684 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-12 21:22:38,685 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789723250] [2021-03-12 21:22:38,685 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-12 21:22:38,685 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 21:22:38,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-12 21:22:38,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-03-12 21:22:38,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:22:38,686 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 21:22:38,686 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 21:22:38,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 21:22:38,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 21:22:38,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 21:22:38,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 21:22:38,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:22:38,848 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:38,849 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:38,902 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:38,919 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:39,015 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:39,016 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:39,059 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:39,060 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:39,086 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:39,086 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:39,115 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:39,245 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:39,246 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:39,267 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:39,287 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:39,305 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:39,323 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:39,342 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:39,355 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:39,370 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:22:39,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 21:22:39,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 21:22:39,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 21:22:39,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 21:22:39,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 21:22:39,388 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-12 21:22:39,388 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 21:22:39,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 21:22:39,389 INFO L82 PathProgramCache]: Analyzing trace with hash 1185926704, now seen corresponding path program 3 times [2021-03-12 21:22:39,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 21:22:39,390 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137034242] [2021-03-12 21:22:39,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 21:22:39,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-12 21:22:39,446 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-12 21:22:39,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-12 21:22:39,500 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-12 21:22:39,552 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-12 21:22:39,552 INFO L620 BasicCegarLoop]: Counterexample might be feasible [2021-03-12 21:22:39,552 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-12 21:22:39,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.03 09:22:39 BasicIcfg [2021-03-12 21:22:39,634 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-12 21:22:39,635 INFO L168 Benchmark]: Toolchain (without parser) took 14533.62 ms. Allocated memory was 331.4 MB in the beginning and 482.3 MB in the end (delta: 151.0 MB). Free memory was 294.4 MB in the beginning and 338.4 MB in the end (delta: -44.0 MB). Peak memory consumption was 110.0 MB. Max. memory is 16.0 GB. [2021-03-12 21:22:39,635 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 331.4 MB. Free memory was 312.8 MB in the beginning and 312.8 MB in the end (delta: 77.1 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 21:22:39,635 INFO L168 Benchmark]: CACSL2BoogieTranslator took 581.97 ms. Allocated memory is still 331.4 MB. Free memory was 293.7 MB in the beginning and 289.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.0 GB. [2021-03-12 21:22:39,636 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.13 ms. Allocated memory is still 331.4 MB. Free memory was 289.1 MB in the beginning and 285.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-12 21:22:39,636 INFO L168 Benchmark]: Boogie Preprocessor took 69.00 ms. Allocated memory is still 331.4 MB. Free memory was 285.9 MB in the beginning and 283.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 21:22:39,636 INFO L168 Benchmark]: RCFGBuilder took 1897.51 ms. Allocated memory is still 331.4 MB. Free memory was 283.8 MB in the beginning and 241.1 MB in the end (delta: 42.7 MB). Peak memory consumption was 161.2 MB. Max. memory is 16.0 GB. [2021-03-12 21:22:39,637 INFO L168 Benchmark]: TraceAbstraction took 11895.03 ms. Allocated memory was 331.4 MB in the beginning and 482.3 MB in the end (delta: 151.0 MB). Free memory was 240.0 MB in the beginning and 338.4 MB in the end (delta: -98.4 MB). Peak memory consumption was 52.6 MB. Max. memory is 16.0 GB. [2021-03-12 21:22:39,638 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 331.4 MB. Free memory was 312.8 MB in the beginning and 312.8 MB in the end (delta: 77.1 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 581.97 ms. Allocated memory is still 331.4 MB. Free memory was 293.7 MB in the beginning and 289.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 79.13 ms. Allocated memory is still 331.4 MB. Free memory was 289.1 MB in the beginning and 285.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 69.00 ms. Allocated memory is still 331.4 MB. Free memory was 285.9 MB in the beginning and 283.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1897.51 ms. Allocated memory is still 331.4 MB. Free memory was 283.8 MB in the beginning and 241.1 MB in the end (delta: 42.7 MB). Peak memory consumption was 161.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 11895.03 ms. Allocated memory was 331.4 MB in the beginning and 482.3 MB in the end (delta: 151.0 MB). Free memory was 240.0 MB in the beginning and 338.4 MB in the end (delta: -98.4 MB). Peak memory consumption was 52.6 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8314.9ms, 107 PlacesBefore, 38 PlacesAfterwards, 99 TransitionsBefore, 29 TransitionsAfterwards, 1770 CoEnabledTransitionPairs, 6 FixpointIterations, 36 TrivialSequentialCompositions, 39 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 82 TotalNumberOfCompositions, 5204 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2448, positive: 2284, positive conditional: 0, positive unconditional: 2284, negative: 164, negative conditional: 0, negative unconditional: 164, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1339, positive: 1286, positive conditional: 0, positive unconditional: 1286, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1339, positive: 1262, positive conditional: 0, positive unconditional: 1262, negative: 77, negative conditional: 0, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 77, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 964, positive: 55, positive conditional: 0, positive unconditional: 55, negative: 910, negative conditional: 0, negative unconditional: 910, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2448, positive: 998, positive conditional: 0, positive unconditional: 998, negative: 111, negative conditional: 0, negative unconditional: 111, unknown: 1339, unknown conditional: 0, unknown unconditional: 1339] , Statistics on independence cache: Total cache size (in pairs): 171, Positive cache size: 152, Positive conditional cache size: 0, Positive unconditional cache size: 152, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3975, positive: 3714, positive conditional: 3714, positive unconditional: 0, negative: 261, negative conditional: 261, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 3882, positive: 3714, positive conditional: 3714, positive unconditional: 0, negative: 168, negative conditional: 168, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 3882, positive: 3015, positive conditional: 0, positive unconditional: 3015, negative: 867, negative conditional: 0, negative unconditional: 867, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 172, positive: 144, positive conditional: 0, positive unconditional: 144, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 172, positive: 131, positive conditional: 0, positive unconditional: 131, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 41, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 85, positive: 37, positive conditional: 24, positive unconditional: 13, negative: 48, negative conditional: 20, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1259, positive: 416, positive conditional: 359, positive unconditional: 58, negative: 842, negative conditional: 432, negative unconditional: 411, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3882, positive: 2871, positive conditional: 0, positive unconditional: 2871, negative: 839, negative conditional: 0, negative unconditional: 839, unknown: 172, unknown conditional: 0, unknown unconditional: 172] , Statistics on independence cache: Total cache size (in pairs): 216, Positive cache size: 168, Positive conditional cache size: 24, Positive unconditional cache size: 144, Negative cache size: 48, Negative conditional cache size: 20, Negative unconditional cache size: 28, SemanticConditionEliminator.Independence Queries: [ total: 2695, positive: 699, positive conditional: 699, positive unconditional: 0, negative: 1996, negative conditional: 150, negative unconditional: 1846, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2695, positive: 699, positive conditional: 699, positive unconditional: 0, negative: 1996, negative conditional: 150, negative unconditional: 1846, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 85, positive: 37, positive conditional: 24, positive unconditional: 13, negative: 48, negative conditional: 20, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1259, positive: 416, positive conditional: 359, positive unconditional: 58, negative: 842, negative conditional: 432, negative unconditional: 411, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2695, positive: 675, positive conditional: 675, positive unconditional: 0, negative: 1976, negative conditional: 130, negative unconditional: 1846, unknown: 44, unknown conditional: 44, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 216, Positive cache size: 168, Positive conditional cache size: 24, Positive unconditional cache size: 144, Negative cache size: 48, Negative conditional cache size: 20, Negative unconditional cache size: 28, Eliminated conditions: 1846, SemanticConditionEliminator.Independence Queries: [ total: 2695, positive: 699, positive conditional: 699, positive unconditional: 0, negative: 1996, negative conditional: 150, negative unconditional: 1846, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2695, positive: 699, positive conditional: 699, positive unconditional: 0, negative: 1996, negative conditional: 150, negative unconditional: 1846, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 85, positive: 37, positive conditional: 24, positive unconditional: 13, negative: 48, negative conditional: 20, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1259, positive: 416, positive conditional: 359, positive unconditional: 58, negative: 842, negative conditional: 432, negative unconditional: 411, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2695, positive: 675, positive conditional: 675, positive unconditional: 0, negative: 1976, negative conditional: 130, negative unconditional: 1846, unknown: 44, unknown conditional: 44, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 216, Positive cache size: 168, Positive conditional cache size: 24, Positive unconditional cache size: 144, Negative cache size: 48, Negative conditional cache size: 20, Negative unconditional cache size: 28, Eliminated conditions: 1846, SemanticConditionEliminator.Independence Queries: [ total: 2695, positive: 699, positive conditional: 699, positive unconditional: 0, negative: 1996, negative conditional: 150, negative unconditional: 1846, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2695, positive: 699, positive conditional: 699, positive unconditional: 0, negative: 1996, negative conditional: 150, negative unconditional: 1846, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 85, positive: 37, positive conditional: 24, positive unconditional: 13, negative: 48, negative conditional: 20, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1259, positive: 416, positive conditional: 359, positive unconditional: 58, negative: 842, negative conditional: 432, negative unconditional: 411, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2695, positive: 675, positive conditional: 675, positive unconditional: 0, negative: 1976, negative conditional: 130, negative unconditional: 1846, unknown: 44, unknown conditional: 44, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 216, Positive cache size: 168, Positive conditional cache size: 24, Positive unconditional cache size: 144, Negative cache size: 48, Negative conditional cache size: 20, Negative unconditional cache size: 28, Eliminated conditions: 1846, SemanticConditionEliminator.Independence Queries: [ total: 2695, positive: 699, positive conditional: 699, positive unconditional: 0, negative: 1996, negative conditional: 150, negative unconditional: 1846, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2695, positive: 699, positive conditional: 699, positive unconditional: 0, negative: 1996, negative conditional: 150, negative unconditional: 1846, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 85, positive: 37, positive conditional: 24, positive unconditional: 13, negative: 48, negative conditional: 20, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1259, positive: 416, positive conditional: 359, positive unconditional: 58, negative: 842, negative conditional: 432, negative unconditional: 411, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2695, positive: 675, positive conditional: 675, positive unconditional: 0, negative: 1976, negative conditional: 130, negative unconditional: 1846, unknown: 44, unknown conditional: 44, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 216, Positive cache size: 168, Positive conditional cache size: 24, Positive unconditional cache size: 144, Negative cache size: 48, Negative conditional cache size: 20, Negative unconditional cache size: 28, Eliminated conditions: 1846, SemanticConditionEliminator.Independence Queries: [ total: 2695, positive: 699, positive conditional: 699, positive unconditional: 0, negative: 1996, negative conditional: 150, negative unconditional: 1846, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2695, positive: 699, positive conditional: 699, positive unconditional: 0, negative: 1996, negative conditional: 150, negative unconditional: 1846, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 85, positive: 37, positive conditional: 24, positive unconditional: 13, negative: 48, negative conditional: 20, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1259, positive: 416, positive conditional: 359, positive unconditional: 58, negative: 842, negative conditional: 432, negative unconditional: 411, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2695, positive: 675, positive conditional: 675, positive unconditional: 0, negative: 1976, negative conditional: 130, negative unconditional: 1846, unknown: 44, unknown conditional: 44, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 216, Positive cache size: 168, Positive conditional cache size: 24, Positive unconditional cache size: 144, Negative cache size: 48, Negative conditional cache size: 20, Negative unconditional cache size: 28, Eliminated conditions: 1846 ], Maximal queried relation: 5, Independence queries for same thread: 93 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p2_EAX = 0; [L713] 0 int __unbuffered_p2_EBX = 0; [L714] 0 _Bool main$tmp_guard0; [L715] 0 _Bool main$tmp_guard1; [L717] 0 int x = 0; [L718] 0 _Bool x$flush_delayed; [L719] 0 int x$mem_tmp; [L720] 0 _Bool x$r_buff0_thd0; [L721] 0 _Bool x$r_buff0_thd1; [L722] 0 _Bool x$r_buff0_thd2; [L723] 0 _Bool x$r_buff0_thd3; [L724] 0 _Bool x$r_buff1_thd0; [L725] 0 _Bool x$r_buff1_thd1; [L726] 0 _Bool x$r_buff1_thd2; [L727] 0 _Bool x$r_buff1_thd3; [L728] 0 _Bool x$read_delayed; [L729] 0 int *x$read_delayed_var; [L730] 0 int x$w_buff0; [L731] 0 _Bool x$w_buff0_used; [L732] 0 int x$w_buff1; [L733] 0 _Bool x$w_buff1_used; [L735] 0 int y = 0; [L737] 0 int z = 0; [L738] 0 _Bool weak$$choice0; [L739] 0 _Bool weak$$choice2; [L823] 0 pthread_t t748; [L824] FCALL, FORK 0 pthread_create(&t748, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L825] 0 pthread_t t749; [L826] FCALL, FORK 0 pthread_create(&t749, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L763] 2 x$w_buff1 = x$w_buff0 [L764] 2 x$w_buff0 = 2 [L765] 2 x$w_buff1_used = x$w_buff0_used [L766] 2 x$w_buff0_used = (_Bool)1 [L18] COND FALSE 2 !(!expression) [L768] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L769] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L770] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L771] 2 x$r_buff1_thd3 = x$r_buff0_thd3 [L772] 2 x$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L775] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L827] 0 pthread_t t750; [L828] FCALL, FORK 0 pthread_create(&t750, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L792] 3 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2, z=0] [L795] 3 __unbuffered_p2_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2, z=0] [L798] 3 __unbuffered_p2_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2, z=0] [L801] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L801] EXPR 3 x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x [L801] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L801] 3 x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L802] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L802] 3 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L803] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L803] 3 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L804] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L804] 3 x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L805] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L805] 3 x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L743] 1 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2, z=1] [L746] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2, z=1] [L749] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L749] EXPR 1 x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x [L749] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L749] 1 x = x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L750] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L750] 1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L751] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L751] 1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L752] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L752] 1 x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L753] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L753] 1 x$r_buff1_thd1 = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L778] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L778] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L779] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L779] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L780] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L780] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L781] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L781] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L782] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L782] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L785] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L787] 2 return 0; [L756] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L758] 1 return 0; [L808] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L810] 3 return 0; [L830] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L834] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L834] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L834] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L834] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L835] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L835] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L836] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L836] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L837] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L837] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L838] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L838] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L841] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L842] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L843] 0 x$flush_delayed = weak$$choice2 [L844] 0 x$mem_tmp = x [L845] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L845] 0 x = !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L846] EXPR 0 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L846] 0 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L847] EXPR 0 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L847] 0 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L848] EXPR 0 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L848] 0 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L849] EXPR 0 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L849] 0 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L850] EXPR 0 weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L850] 0 x$r_buff0_thd0 = weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L851] EXPR 0 weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L851] 0 x$r_buff1_thd0 = weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L852] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p2_EAX == 2 && __unbuffered_p2_EBX == 0) [L853] EXPR 0 x$flush_delayed ? x$mem_tmp : x [L853] 0 x = x$flush_delayed ? x$mem_tmp : x [L854] 0 x$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 98 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 11716.1ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8333.1ms, PartialOrderReductionTime: 1970.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 29.1ms SsaConstructionTime, 449.0ms SatisfiabilityAnalysisTime, 626.7ms InterpolantComputationTime, 117 NumberOfCodeBlocks, 117 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 89 ConstructedInterpolants, 0 QuantifiedInterpolants, 670 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...