/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/safe011_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-12 21:40:15,173 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-12 21:40:15,175 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-12 21:40:15,203 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-12 21:40:15,248 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-12 21:40:15,248 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-12 21:40:15,249 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-12 21:40:15,252 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 21:40:15,280 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-12 21:40:15,280 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-12 21:40:15,281 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-12 21:40:15,281 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-12 21:40:15,283 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-12 21:40:15,283 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-12 21:40:15,283 INFO L138 SettingsManager]: * Use SBE=true [2021-03-12 21:40:15,284 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-12 21:40:15,284 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-12 21:40:15,284 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-12 21:40:15,285 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-12 21:40:15,285 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-12 21:40:15,285 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-12 21:40:15,285 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-12 21:40:15,285 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-12 21:40:15,285 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-12 21:40:15,285 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-12 21:40:15,285 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-12 21:40:15,285 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-12 21:40:15,286 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-12 21:40:15,286 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-12 21:40:15,286 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-12 21:40:15,286 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-12 21:40:15,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 21:40:15,286 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-12 21:40:15,286 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-12 21:40:15,286 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-12 21:40:15,286 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-12 21:40:15,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-12 21:40:15,287 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-12 21:40:15,287 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-12 21:40:15,287 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-03-12 21:40:15,287 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-12 21:40:15,620 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-12 21:40:15,649 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-12 21:40:15,653 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-12 21:40:15,654 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-12 21:40:15,667 INFO L275 PluginConnector]: CDTParser initialized [2021-03-12 21:40:15,668 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe011_power.opt.i [2021-03-12 21:40:15,735 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95a296779/27c8d32fc2054977a33379460a417bfa/FLAG6bf7d5cc5 [2021-03-12 21:40:16,299 INFO L306 CDTParser]: Found 1 translation units. [2021-03-12 21:40:16,300 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe011_power.opt.i [2021-03-12 21:40:16,309 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95a296779/27c8d32fc2054977a33379460a417bfa/FLAG6bf7d5cc5 [2021-03-12 21:40:16,695 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95a296779/27c8d32fc2054977a33379460a417bfa [2021-03-12 21:40:16,697 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-12 21:40:16,700 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-12 21:40:16,707 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-12 21:40:16,707 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-12 21:40:16,710 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-12 21:40:16,711 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.03 09:40:16" (1/1) ... [2021-03-12 21:40:16,712 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60a08e9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:40:16, skipping insertion in model container [2021-03-12 21:40:16,712 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.03 09:40:16" (1/1) ... [2021-03-12 21:40:16,717 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-12 21:40:16,749 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-12 21:40:16,854 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/safe011_power.opt.i[951,964] [2021-03-12 21:40:17,010 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-12 21:40:17,015 INFO L203 MainTranslator]: Completed pre-run [2021-03-12 21:40:17,023 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/safe011_power.opt.i[951,964] [2021-03-12 21:40:17,050 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-12 21:40:17,087 INFO L208 MainTranslator]: Completed translation [2021-03-12 21:40:17,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:40:17 WrapperNode [2021-03-12 21:40:17,088 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-12 21:40:17,096 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-12 21:40:17,096 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-12 21:40:17,096 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-12 21:40:17,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:40:17" (1/1) ... [2021-03-12 21:40:17,124 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:40:17" (1/1) ... [2021-03-12 21:40:17,161 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-12 21:40:17,162 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-12 21:40:17,162 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-12 21:40:17,162 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-12 21:40:17,167 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:40:17" (1/1) ... [2021-03-12 21:40:17,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:40:17" (1/1) ... [2021-03-12 21:40:17,173 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:40:17" (1/1) ... [2021-03-12 21:40:17,173 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:40:17" (1/1) ... [2021-03-12 21:40:17,181 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:40:17" (1/1) ... [2021-03-12 21:40:17,187 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:40:17" (1/1) ... [2021-03-12 21:40:17,189 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:40:17" (1/1) ... [2021-03-12 21:40:17,192 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-12 21:40:17,193 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-12 21:40:17,193 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-12 21:40:17,193 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-12 21:40:17,193 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:40:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 21:40:17,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-12 21:40:17,245 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-12 21:40:17,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-12 21:40:17,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-12 21:40:17,247 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-12 21:40:17,247 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-12 21:40:17,247 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-12 21:40:17,247 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-12 21:40:17,247 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-12 21:40:17,247 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-12 21:40:17,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-12 21:40:17,248 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-12 21:40:17,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-12 21:40:17,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-12 21:40:17,249 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 21:40:18,605 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-12 21:40:18,605 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-12 21:40:18,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 09:40:18 BoogieIcfgContainer [2021-03-12 21:40:18,607 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-12 21:40:18,608 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-12 21:40:18,609 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-12 21:40:18,610 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-12 21:40:18,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.03 09:40:16" (1/3) ... [2021-03-12 21:40:18,611 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59857b6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 09:40:18, skipping insertion in model container [2021-03-12 21:40:18,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 09:40:17" (2/3) ... [2021-03-12 21:40:18,611 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59857b6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 09:40:18, skipping insertion in model container [2021-03-12 21:40:18,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 09:40:18" (3/3) ... [2021-03-12 21:40:18,612 INFO L111 eAbstractionObserver]: Analyzing ICFG safe011_power.opt.i [2021-03-12 21:40:18,617 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-12 21:40:18,617 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-12 21:40:18,619 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-12 21:40:18,620 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-12 21:40:18,640 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,641 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,641 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,641 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,641 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,641 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,641 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,641 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,641 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,641 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,641 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,641 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,642 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,642 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,642 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,642 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,642 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,642 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,642 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,642 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,642 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,642 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,643 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,643 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,643 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,643 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,643 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,643 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,644 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,644 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,644 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,644 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,644 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,644 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,644 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,644 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,644 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,644 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,644 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,644 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,645 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,645 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,645 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,645 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,645 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,645 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,645 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,645 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,645 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,645 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,646 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,646 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,646 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,646 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,646 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,646 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,646 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,646 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,646 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,646 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,647 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,647 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,647 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,647 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,647 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,647 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,647 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,647 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,647 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,647 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,647 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,648 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,648 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,648 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,648 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,648 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,648 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,648 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,648 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,648 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,648 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,648 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,649 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,649 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,649 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,649 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,650 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,651 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,651 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,651 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,651 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,651 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,651 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,651 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,651 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,651 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,651 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,651 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,653 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,653 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,653 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,653 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,653 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,653 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,653 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,654 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,654 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,654 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,655 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,655 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,655 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,655 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,655 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,655 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,655 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,655 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,655 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,655 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:18,656 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-12 21:40:18,667 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 21:40:18,703 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-12 21:40:18,703 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-12 21:40:18,703 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-12 21:40:18,703 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-12 21:40:18,703 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-12 21:40:18,703 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-12 21:40:18,703 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-12 21:40:18,704 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-12 21:40:18,710 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-12 21:40:18,710 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 105 places, 97 transitions, 209 flow [2021-03-12 21:40:18,711 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 105 places, 97 transitions, 209 flow [2021-03-12 21:40:18,712 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 105 places, 97 transitions, 209 flow [2021-03-12 21:40:18,745 INFO L129 PetriNetUnfolder]: 2/94 cut-off events. [2021-03-12 21:40:18,746 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-12 21:40:18,748 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 94 events. 2/94 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 71 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 61. Up to 2 conditions per place. [2021-03-12 21:40:18,751 INFO L116 LiptonReduction]: Number of co-enabled transitions 1686 [2021-03-12 21:40:19,594 WARN L205 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 185 [2021-03-12 21:40:19,876 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2021-03-12 21:40:21,255 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 310 DAG size of output: 266 [2021-03-12 21:40:21,803 WARN L205 SmtUtils]: Spent 540.00 ms on a formula simplification that was a NOOP. DAG size: 263 [2021-03-12 21:40:22,720 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-12 21:40:23,054 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 84 [2021-03-12 21:40:23,170 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-12 21:40:23,866 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-03-12 21:40:23,991 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-03-12 21:40:25,906 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2021-03-12 21:40:26,049 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-03-12 21:40:26,399 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2021-03-12 21:40:26,522 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-03-12 21:40:26,525 INFO L131 LiptonReduction]: Checked pairs total: 5004 [2021-03-12 21:40:26,525 INFO L133 LiptonReduction]: Total number of compositions: 81 [2021-03-12 21:40:26,539 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 21:40:26,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 21:40:26,542 INFO L82 PathProgramCache]: Analyzing trace with hash 353646015, now seen corresponding path program 1 times [2021-03-12 21:40:26,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 21:40:26,547 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11298575] [2021-03-12 21:40:26,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 21:40:26,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 21:40:26,743 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 21:40:26,744 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11298575] [2021-03-12 21:40:26,745 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 21:40:26,745 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-12 21:40:26,745 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168881923] [2021-03-12 21:40:26,748 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-12 21:40:26,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 21:40:26,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-12 21:40:26,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-12 21:40:26,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:40:26,763 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 21:40:26,763 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 21:40:26,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:40:26,809 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:26,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 21:40:26,832 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-12 21:40:26,833 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 21:40:26,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 21:40:26,833 INFO L82 PathProgramCache]: Analyzing trace with hash 382333711, now seen corresponding path program 1 times [2021-03-12 21:40:26,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 21:40:26,833 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690322773] [2021-03-12 21:40:26,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 21:40:26,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 21:40:27,000 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 21:40:27,001 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690322773] [2021-03-12 21:40:27,001 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 21:40:27,001 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-12 21:40:27,001 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813565435] [2021-03-12 21:40:27,002 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-12 21:40:27,002 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 21:40:27,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-12 21:40:27,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-12 21:40:27,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:40:27,002 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 21:40:27,003 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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 21:40:27,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 21:40:27,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:40:27,033 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite26_104| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,034 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,055 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite49_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,056 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,056 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43_76| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,056 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,056 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42_86| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,056 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite52_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,056 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite48_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,056 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite51_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,056 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35_53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,057 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,057 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36_78| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,057 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,057 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,057 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,058 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,088 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite49_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,088 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,088 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43_76| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,088 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,088 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42_86| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,088 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite52_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,088 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite48_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,089 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite51_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,089 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35_53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,091 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,092 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36_78| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,092 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,092 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,092 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,093 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,141 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite49_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,146 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,146 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43_76| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,146 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,147 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42_86| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,147 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite52_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,147 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite48_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,147 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite51_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,147 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35_53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,147 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,147 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36_78| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,147 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,147 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,147 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 21:40:27,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 21:40:27,171 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-12 21:40:27,171 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 21:40:27,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 21:40:27,177 INFO L82 PathProgramCache]: Analyzing trace with hash 1495649713, now seen corresponding path program 1 times [2021-03-12 21:40:27,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 21:40:27,178 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423768045] [2021-03-12 21:40:27,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 21:40:27,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 21:40:27,312 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 21:40:27,313 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423768045] [2021-03-12 21:40:27,313 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 21:40:27,313 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-12 21:40:27,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304542361] [2021-03-12 21:40:27,313 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-12 21:40:27,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 21:40:27,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-12 21:40:27,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-12 21:40:27,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:40:27,314 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 21:40:27,314 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 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 21:40:27,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 21:40:27,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 21:40:27,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:40:27,364 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite26_104| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,365 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,387 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,389 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,390 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,410 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,413 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite26_104| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,413 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,431 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite26_104| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,431 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,443 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite26_104| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,444 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,472 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,483 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,494 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,506 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,527 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite26_104| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,535 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite26_104| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,544 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite26_104| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,553 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite26_104| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,569 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite26_104| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,581 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite26_104| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,594 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite26_104| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,595 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,657 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite26_104| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,657 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,675 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite26_104| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,676 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,695 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite26_104| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,712 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,724 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,747 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,760 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,779 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,780 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,800 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,803 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,804 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,829 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,838 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite26_104| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,839 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,859 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite26_104| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,860 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,874 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,892 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,893 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,919 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,942 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,957 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:27,998 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:28,010 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:28,021 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:28,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 21:40:28,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 21:40:28,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 21:40:28,051 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-12 21:40:28,051 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 21:40:28,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 21:40:28,052 INFO L82 PathProgramCache]: Analyzing trace with hash 1178641023, now seen corresponding path program 1 times [2021-03-12 21:40:28,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 21:40:28,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173866875] [2021-03-12 21:40:28,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 21:40:28,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 21:40:28,373 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 21:40:28,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173866875] [2021-03-12 21:40:28,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 21:40:28,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-12 21:40:28,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317510781] [2021-03-12 21:40:28,374 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-12 21:40:28,374 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 21:40:28,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-12 21:40:28,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-03-12 21:40:28,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:40:28,375 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 21:40:28,375 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 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 21:40:28,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 21:40:28,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 21:40:28,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 21:40:28,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 21:40:28,473 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:28,474 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:28,503 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:28,529 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:28,551 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:28,552 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:28,581 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:28,581 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:28,603 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:28,604 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:28,636 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:28,652 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:28,673 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:28,774 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:28,775 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:28,800 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:28,813 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:28,825 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:28,843 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:28,853 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:28,865 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:28,865 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:28,889 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:28,889 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite17_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:28,910 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:28,919 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 21:40:28,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 21:40:28,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 21:40:28,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 21:40:28,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 21:40:28,931 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-12 21:40:28,931 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 21:40:28,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 21:40:28,931 INFO L82 PathProgramCache]: Analyzing trace with hash 1115673887, now seen corresponding path program 2 times [2021-03-12 21:40:28,931 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 21:40:28,931 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144785495] [2021-03-12 21:40:28,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 21:40:28,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-12 21:40:28,981 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-12 21:40:29,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-12 21:40:29,025 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-12 21:40:29,065 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-12 21:40:29,065 INFO L620 BasicCegarLoop]: Counterexample might be feasible [2021-03-12 21:40:29,065 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-12 21:40:29,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.03 09:40:29 BasicIcfg [2021-03-12 21:40:29,153 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-12 21:40:29,154 INFO L168 Benchmark]: Toolchain (without parser) took 12456.21 ms. Allocated memory was 364.9 MB in the beginning and 539.0 MB in the end (delta: 174.1 MB). Free memory was 327.3 MB in the beginning and 322.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 180.2 MB. Max. memory is 16.0 GB. [2021-03-12 21:40:29,155 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 364.9 MB. Free memory was 345.8 MB in the beginning and 345.7 MB in the end (delta: 75.0 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 21:40:29,155 INFO L168 Benchmark]: CACSL2BoogieTranslator took 380.71 ms. Allocated memory is still 364.9 MB. Free memory was 326.7 MB in the beginning and 324.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.0 GB. [2021-03-12 21:40:29,157 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.62 ms. Allocated memory is still 364.9 MB. Free memory was 324.4 MB in the beginning and 322.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 21:40:29,159 INFO L168 Benchmark]: Boogie Preprocessor took 30.19 ms. Allocated memory is still 364.9 MB. Free memory was 322.3 MB in the beginning and 320.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 21:40:29,159 INFO L168 Benchmark]: RCFGBuilder took 1414.82 ms. Allocated memory is still 364.9 MB. Free memory was 320.2 MB in the beginning and 273.4 MB in the end (delta: 46.8 MB). Peak memory consumption was 165.3 MB. Max. memory is 16.0 GB. [2021-03-12 21:40:29,161 INFO L168 Benchmark]: TraceAbstraction took 10545.01 ms. Allocated memory was 364.9 MB in the beginning and 539.0 MB in the end (delta: 174.1 MB). Free memory was 272.4 MB in the beginning and 322.6 MB in the end (delta: -50.2 MB). Peak memory consumption was 124.9 MB. Max. memory is 16.0 GB. [2021-03-12 21:40:29,162 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 364.9 MB. Free memory was 345.8 MB in the beginning and 345.7 MB in the end (delta: 75.0 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 380.71 ms. Allocated memory is still 364.9 MB. Free memory was 326.7 MB in the beginning and 324.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 65.62 ms. Allocated memory is still 364.9 MB. Free memory was 324.4 MB in the beginning and 322.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 30.19 ms. Allocated memory is still 364.9 MB. Free memory was 322.3 MB in the beginning and 320.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1414.82 ms. Allocated memory is still 364.9 MB. Free memory was 320.2 MB in the beginning and 273.4 MB in the end (delta: 46.8 MB). Peak memory consumption was 165.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 10545.01 ms. Allocated memory was 364.9 MB in the beginning and 539.0 MB in the end (delta: 174.1 MB). Free memory was 272.4 MB in the beginning and 322.6 MB in the end (delta: -50.2 MB). Peak memory consumption was 124.9 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7813.7ms, 105 PlacesBefore, 37 PlacesAfterwards, 97 TransitionsBefore, 28 TransitionsAfterwards, 1686 CoEnabledTransitionPairs, 7 FixpointIterations, 35 TrivialSequentialCompositions, 37 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 1 ChoiceCompositions, 81 TotalNumberOfCompositions, 5004 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2453, positive: 2276, positive conditional: 0, positive unconditional: 2276, negative: 177, negative conditional: 0, negative unconditional: 177, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1263, positive: 1219, positive conditional: 0, positive unconditional: 1219, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1263, positive: 1193, positive conditional: 0, positive unconditional: 1193, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 70, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 579, positive: 65, positive conditional: 0, positive unconditional: 65, negative: 514, negative conditional: 0, negative unconditional: 514, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2453, positive: 1057, positive conditional: 0, positive unconditional: 1057, negative: 133, negative conditional: 0, negative unconditional: 133, unknown: 1263, unknown conditional: 0, unknown unconditional: 1263] , Statistics on independence cache: Total cache size (in pairs): 154, Positive cache size: 136, Positive conditional cache size: 0, Positive unconditional cache size: 136, Negative cache size: 18, Negative conditional cache size: 0, Negative unconditional cache size: 18 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2641, positive: 2353, positive conditional: 2353, positive unconditional: 0, negative: 288, negative conditional: 288, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2422, positive: 2353, positive conditional: 2353, positive unconditional: 0, negative: 69, negative conditional: 69, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2422, positive: 1893, positive conditional: 0, positive unconditional: 1893, negative: 529, negative conditional: 0, negative unconditional: 529, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 151, positive: 124, positive conditional: 0, positive unconditional: 124, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 151, positive: 111, positive conditional: 0, positive unconditional: 111, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 40, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 86, positive: 46, positive conditional: 33, positive unconditional: 13, negative: 40, negative conditional: 13, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1095, positive: 518, positive conditional: 474, positive unconditional: 43, negative: 577, negative conditional: 205, negative unconditional: 371, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2422, positive: 1769, positive conditional: 0, positive unconditional: 1769, negative: 502, negative conditional: 0, negative unconditional: 502, unknown: 151, unknown conditional: 0, unknown unconditional: 151] , Statistics on independence cache: Total cache size (in pairs): 197, Positive cache size: 157, Positive conditional cache size: 33, Positive unconditional cache size: 124, Negative cache size: 40, Negative conditional cache size: 13, Negative unconditional cache size: 27, SemanticConditionEliminator.Independence Queries: [ total: 1453, positive: 460, positive conditional: 460, positive unconditional: 0, negative: 993, negative conditional: 81, negative unconditional: 912, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1453, positive: 460, positive conditional: 460, positive unconditional: 0, negative: 993, negative conditional: 81, negative unconditional: 912, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 86, positive: 46, positive conditional: 33, positive unconditional: 13, negative: 40, negative conditional: 13, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1095, positive: 518, positive conditional: 474, positive unconditional: 43, negative: 577, negative conditional: 205, negative unconditional: 371, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1453, positive: 427, positive conditional: 427, positive unconditional: 0, negative: 980, negative conditional: 68, negative unconditional: 912, unknown: 46, unknown conditional: 46, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 197, Positive cache size: 157, Positive conditional cache size: 33, Positive unconditional cache size: 124, Negative cache size: 40, Negative conditional cache size: 13, Negative unconditional cache size: 27, Eliminated conditions: 912, SemanticConditionEliminator.Independence Queries: [ total: 1453, positive: 460, positive conditional: 460, positive unconditional: 0, negative: 993, negative conditional: 81, negative unconditional: 912, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1453, positive: 460, positive conditional: 460, positive unconditional: 0, negative: 993, negative conditional: 81, negative unconditional: 912, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 86, positive: 46, positive conditional: 33, positive unconditional: 13, negative: 40, negative conditional: 13, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1095, positive: 518, positive conditional: 474, positive unconditional: 43, negative: 577, negative conditional: 205, negative unconditional: 371, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1453, positive: 427, positive conditional: 427, positive unconditional: 0, negative: 980, negative conditional: 68, negative unconditional: 912, unknown: 46, unknown conditional: 46, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 197, Positive cache size: 157, Positive conditional cache size: 33, Positive unconditional cache size: 124, Negative cache size: 40, Negative conditional cache size: 13, Negative unconditional cache size: 27, Eliminated conditions: 912, SemanticConditionEliminator.Independence Queries: [ total: 1453, positive: 460, positive conditional: 460, positive unconditional: 0, negative: 993, negative conditional: 81, negative unconditional: 912, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1453, positive: 460, positive conditional: 460, positive unconditional: 0, negative: 993, negative conditional: 81, negative unconditional: 912, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 86, positive: 46, positive conditional: 33, positive unconditional: 13, negative: 40, negative conditional: 13, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1095, positive: 518, positive conditional: 474, positive unconditional: 43, negative: 577, negative conditional: 205, negative unconditional: 371, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1453, positive: 427, positive conditional: 427, positive unconditional: 0, negative: 980, negative conditional: 68, negative unconditional: 912, unknown: 46, unknown conditional: 46, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 197, Positive cache size: 157, Positive conditional cache size: 33, Positive unconditional cache size: 124, Negative cache size: 40, Negative conditional cache size: 13, Negative unconditional cache size: 27, Eliminated conditions: 912, SemanticConditionEliminator.Independence Queries: [ total: 1453, positive: 460, positive conditional: 460, positive unconditional: 0, negative: 993, negative conditional: 81, negative unconditional: 912, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1453, positive: 460, positive conditional: 460, positive unconditional: 0, negative: 993, negative conditional: 81, negative unconditional: 912, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 86, positive: 46, positive conditional: 33, positive unconditional: 13, negative: 40, negative conditional: 13, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1095, positive: 518, positive conditional: 474, positive unconditional: 43, negative: 577, negative conditional: 205, negative unconditional: 371, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1453, positive: 427, positive conditional: 427, positive unconditional: 0, negative: 980, negative conditional: 68, negative unconditional: 912, unknown: 46, unknown conditional: 46, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 197, Positive cache size: 157, Positive conditional cache size: 33, Positive unconditional cache size: 124, Negative cache size: 40, Negative conditional cache size: 13, Negative unconditional cache size: 27, Eliminated conditions: 912 ], Maximal queried relation: 4, Independence queries for same thread: 219 - 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; [L712] 0 _Bool main$tmp_guard0; [L713] 0 _Bool main$tmp_guard1; [L715] 0 int x = 0; [L716] 0 _Bool x$flush_delayed; [L717] 0 int x$mem_tmp; [L718] 0 _Bool x$r_buff0_thd0; [L719] 0 _Bool x$r_buff0_thd1; [L720] 0 _Bool x$r_buff0_thd2; [L721] 0 _Bool x$r_buff0_thd3; [L722] 0 _Bool x$r_buff1_thd0; [L723] 0 _Bool x$r_buff1_thd1; [L724] 0 _Bool x$r_buff1_thd2; [L725] 0 _Bool x$r_buff1_thd3; [L726] 0 _Bool x$read_delayed; [L727] 0 int *x$read_delayed_var; [L728] 0 int x$w_buff0; [L729] 0 _Bool x$w_buff0_used; [L730] 0 int x$w_buff1; [L731] 0 _Bool x$w_buff1_used; [L733] 0 int y = 0; [L735] 0 int z = 0; [L736] 0 _Bool weak$$choice0; [L737] 0 _Bool weak$$choice2; [L818] 0 pthread_t t2028; [L819] FCALL, FORK 0 pthread_create(&t2028, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_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] [L820] 0 pthread_t t2029; [L821] FCALL, FORK 0 pthread_create(&t2029, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_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] [L761] 2 x$w_buff1 = x$w_buff0 [L762] 2 x$w_buff0 = 2 [L763] 2 x$w_buff1_used = x$w_buff0_used [L764] 2 x$w_buff0_used = (_Bool)1 [L18] COND FALSE 2 !(!expression) [L766] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L767] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L768] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L769] 2 x$r_buff1_thd3 = x$r_buff0_thd3 [L770] 2 x$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$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] [L773] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$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] [L822] 0 pthread_t t2030; [L823] FCALL, FORK 0 pthread_create(&t2030, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_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] [L790] 3 __unbuffered_p2_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=1, 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=1, z=0] [L793] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=1, 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=1, z=1] [L796] 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) [L796] EXPR 3 x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x [L796] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L796] 3 x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L797] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L797] 3 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L798] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L798] 3 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L799] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L799] 3 x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L800] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L800] 3 x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L741] 1 z = 2 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$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=1, z=2] [L744] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=1, 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=1, z=2] [L747] 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) [L747] EXPR 1 x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x [L747] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L747] 1 x = x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L748] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L748] 1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L749] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L749] 1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L750] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L750] 1 x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L751] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L751] 1 x$r_buff1_thd1 = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L776] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L776] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L777] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L777] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L778] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L778] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L779] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L779] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L780] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L780] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L754] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L756] 1 return 0; [L803] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L805] 3 return 0; [L783] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L785] 2 return 0; [L825] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L829] 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) [L829] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L829] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L829] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L830] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L830] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L831] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L831] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L832] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L832] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L833] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L833] 0 x$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 [L836] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L837] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L838] 0 x$flush_delayed = weak$$choice2 [L839] 0 x$mem_tmp = x [L840] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L840] 0 x = !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L841] EXPR 0 weak$$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$w_buff0)) [L841] EXPR 0 !x$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) [L841] EXPR 0 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L841] 0 x$w_buff0 = weak$$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)) [L842] EXPR 0 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L842] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1) [L842] EXPR 0 weak$$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$w_buff1)) [L842] 0 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L843] EXPR 0 weak$$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)) [L843] EXPR 0 !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) [L843] EXPR 0 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L843] 0 x$w_buff0_used = weak$$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)) [L844] EXPR 0 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L844] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L844] EXPR 0 weak$$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$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L844] 0 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L845] EXPR 0 weak$$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)) [L845] EXPR 0 !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) [L845] EXPR 0 weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L845] 0 x$r_buff0_thd0 = weak$$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)) [L846] EXPR 0 weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L846] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L846] EXPR 0 weak$$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$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L846] 0 x$r_buff1_thd0 = weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L847] 0 main$tmp_guard1 = !(x == 2 && z == 2 && __unbuffered_p2_EAX == 1) [L848] EXPR 0 x$flush_delayed ? x$mem_tmp : x [L848] 0 x = x$flush_delayed ? x$mem_tmp : x [L849] 0 x$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=0, 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=1, z=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 96 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 10397.7ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7828.8ms, PartialOrderReductionTime: 1535.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 22, 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: 21.4ms SsaConstructionTime, 366.5ms SatisfiabilityAnalysisTime, 408.6ms InterpolantComputationTime, 92 NumberOfCodeBlocks, 92 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 66 ConstructedInterpolants, 0 QuantifiedInterpolants, 528 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...