/usr/bin/java -Xmx8000000000 -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-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/thin001_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-17 05:17:46,360 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-17 05:17:46,363 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-17 05:17:46,400 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-17 05:17:46,418 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-17 05:17:46,420 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-17 05:17:46,421 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-17 05:17:46,422 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-17 05:17:46,424 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-17 05:17:46,425 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-17 05:17:46,427 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-17 05:17:46,431 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-17 05:17:46,432 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-17 05:17:46,434 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-17 05:17:46,434 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-17 05:17:46,436 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-17 05:17:46,441 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-17 05:17:46,448 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-17 05:17:46,449 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-17 05:17:46,449 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-17 05:17:46,450 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-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2021-06-17 05:17:46,481 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-17 05:17:46,481 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-17 05:17:46,482 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-17 05:17:46,482 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-17 05:17:46,484 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-17 05:17:46,484 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-17 05:17:46,484 INFO L138 SettingsManager]: * Use SBE=true [2021-06-17 05:17:46,484 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-17 05:17:46,484 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-17 05:17:46,484 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-17 05:17:46,485 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-17 05:17:46,485 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-17 05:17:46,485 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-17 05:17:46,485 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-17 05:17:46,485 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-17 05:17:46,486 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-17 05:17:46,486 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-17 05:17:46,486 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-17 05:17:46,486 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-17 05:17:46,486 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-17 05:17:46,486 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-17 05:17:46,486 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-17 05:17:46,486 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-17 05:17:46,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 05:17:46,487 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-17 05:17:46,487 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-17 05:17:46,487 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-17 05:17:46,487 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-17 05:17:46,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-17 05:17:46,487 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-17 05:17:46,487 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-17 05:17:46,487 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-17 05:17:46,487 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-17 05:17:46,488 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-17 05:17:46,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-17 05:17:46,799 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-17 05:17:46,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-17 05:17:46,802 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-17 05:17:46,803 INFO L275 PluginConnector]: CDTParser initialized [2021-06-17 05:17:46,803 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin001_pso.oepc.i [2021-06-17 05:17:46,895 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d39057ece/09c4e2c32d0c4d839552ebd7bf832ef7/FLAG166efcad2 [2021-06-17 05:17:47,662 INFO L306 CDTParser]: Found 1 translation units. [2021-06-17 05:17:47,663 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin001_pso.oepc.i [2021-06-17 05:17:47,679 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d39057ece/09c4e2c32d0c4d839552ebd7bf832ef7/FLAG166efcad2 [2021-06-17 05:17:47,901 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d39057ece/09c4e2c32d0c4d839552ebd7bf832ef7 [2021-06-17 05:17:47,905 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-17 05:17:47,912 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-17 05:17:47,931 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-17 05:17:47,932 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-17 05:17:47,939 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-17 05:17:47,940 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.06 05:17:47" (1/1) ... [2021-06-17 05:17:47,941 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59b02ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 05:17:47, skipping insertion in model container [2021-06-17 05:17:47,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.06 05:17:47" (1/1) ... [2021-06-17 05:17:47,964 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-17 05:17:48,041 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-17 05:17:48,226 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin001_pso.oepc.i[950,963] [2021-06-17 05:17:48,458 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-17 05:17:48,465 INFO L203 MainTranslator]: Completed pre-run [2021-06-17 05:17:48,477 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin001_pso.oepc.i[950,963] [2021-06-17 05:17:48,520 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-17 05:17:48,593 INFO L208 MainTranslator]: Completed translation [2021-06-17 05:17:48,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 05:17:48 WrapperNode [2021-06-17 05:17:48,594 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-17 05:17:48,595 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-17 05:17:48,595 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-17 05:17:48,595 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-17 05:17:48,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 05:17:48" (1/1) ... [2021-06-17 05:17:48,616 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 05:17:48" (1/1) ... [2021-06-17 05:17:48,643 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-17 05:17:48,644 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-17 05:17:48,644 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-17 05:17:48,644 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-17 05:17:48,650 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 05:17:48" (1/1) ... [2021-06-17 05:17:48,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 05:17:48" (1/1) ... [2021-06-17 05:17:48,659 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 05:17:48" (1/1) ... [2021-06-17 05:17:48,659 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 05:17:48" (1/1) ... [2021-06-17 05:17:48,663 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 05:17:48" (1/1) ... [2021-06-17 05:17:48,664 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 05:17:48" (1/1) ... [2021-06-17 05:17:48,665 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 05:17:48" (1/1) ... [2021-06-17 05:17:48,666 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-17 05:17:48,667 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-17 05:17:48,667 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-17 05:17:48,667 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-17 05:17:48,667 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 05:17:48" (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 [2021-06-17 05:17:48,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-17 05:17:48,767 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-17 05:17:48,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-17 05:17:48,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-17 05:17:48,769 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-17 05:17:48,769 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-17 05:17:48,769 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-17 05:17:48,769 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-17 05:17:48,769 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-17 05:17:48,769 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-17 05:17:48,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-17 05:17:48,770 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-17 05:17:48,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-17 05:17:48,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-17 05:17:48,774 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-17 05:17:49,133 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-17 05:17:49,133 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-17 05:17:49,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 05:17:49 BoogieIcfgContainer [2021-06-17 05:17:49,135 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-17 05:17:49,136 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-17 05:17:49,136 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-17 05:17:49,138 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-17 05:17:49,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.06 05:17:47" (1/3) ... [2021-06-17 05:17:49,138 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f51c49b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 05:17:49, skipping insertion in model container [2021-06-17 05:17:49,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 05:17:48" (2/3) ... [2021-06-17 05:17:49,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f51c49b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 05:17:49, skipping insertion in model container [2021-06-17 05:17:49,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 05:17:49" (3/3) ... [2021-06-17 05:17:49,140 INFO L111 eAbstractionObserver]: Analyzing ICFG thin001_pso.oepc.i [2021-06-17 05:17:49,144 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-17 05:17:49,144 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-17 05:17:49,144 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-17 05:17:49,147 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-17 05:17:49,178 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 05:17:49,178 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 05:17:49,178 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 05:17:49,178 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 05:17:49,179 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 05:17:49,179 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 05:17:49,179 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 05:17:49,179 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 05:17:49,180 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 05:17:49,180 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 05:17:49,180 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 05:17:49,180 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 05:17:49,181 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 05:17:49,181 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 05:17:49,181 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 05:17:49,181 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 05:17:49,183 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 05:17:49,183 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 05:17:49,184 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 05:17:49,184 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 05:17:49,187 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 05:17:49,187 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 05:17:49,188 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 05:17:49,188 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 05:17:49,188 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 05:17:49,188 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 05:17:49,188 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 05:17:49,189 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 05:17:49,189 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 05:17:49,189 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 05:17:49,190 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 05:17:49,190 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 05:17:49,190 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 05:17:49,190 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 05:17:49,190 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 05:17:49,190 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 05:17:49,192 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 05:17:49,192 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 05:17:49,192 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 05:17:49,192 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 05:17:49,202 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 05:17:49,202 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 05:17:49,202 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 05:17:49,203 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 05:17:49,213 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 05:17:49,213 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 05:17:49,213 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 05:17:49,213 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 05:17:49,217 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-17 05:17:49,233 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 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 [2021-06-17 05:17:49,290 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-17 05:17:49,291 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-17 05:17:49,291 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-17 05:17:49,291 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-17 05:17:49,291 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-17 05:17:49,291 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-17 05:17:49,292 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-17 05:17:49,292 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-17 05:17:49,474 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-17 05:17:49,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 05:17:49,478 INFO L82 PathProgramCache]: Analyzing trace with hash -1623290350, now seen corresponding path program 1 times [2021-06-17 05:17:49,484 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 05:17:49,484 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099058966] [2021-06-17 05:17:49,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 05:17:49,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 05:17:49,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 05:17:49,644 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 05:17:49,644 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099058966] [2021-06-17 05:17:49,644 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099058966] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 05:17:49,645 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 05:17:49,645 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-17 05:17:49,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838275388] [2021-06-17 05:17:49,648 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-17 05:17:49,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 05:17:49,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-17 05:17:49,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-17 05:17:49,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 05:17:49,660 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 05:17:49,661 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 05:17:49,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 05:17:49,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 05:17:49,679 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-17 05:17:49,679 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-17 05:17:49,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 05:17:49,680 INFO L82 PathProgramCache]: Analyzing trace with hash 1186241960, now seen corresponding path program 1 times [2021-06-17 05:17:49,680 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 05:17:49,680 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664203380] [2021-06-17 05:17:49,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 05:17:49,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 05:17:50,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 05:17:50,003 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 05:17:50,004 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664203380] [2021-06-17 05:17:50,006 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664203380] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 05:17:50,007 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 05:17:50,007 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-17 05:17:50,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538918463] [2021-06-17 05:17:50,009 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-17 05:17:50,009 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 05:17:50,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-17 05:17:50,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-06-17 05:17:50,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 05:17:50,016 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 05:17:50,016 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 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) [2021-06-17 05:17:50,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 05:17:50,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 05:17:50,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 05:17:50,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 05:17:50,841 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-17 05:17:50,842 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-17 05:17:50,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 05:17:50,842 INFO L82 PathProgramCache]: Analyzing trace with hash 1581544483, now seen corresponding path program 1 times [2021-06-17 05:17:50,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 05:17:50,842 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612791710] [2021-06-17 05:17:50,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 05:17:50,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 05:17:50,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 05:17:50,917 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 05:17:50,917 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612791710] [2021-06-17 05:17:50,917 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612791710] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 05:17:50,918 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 05:17:50,918 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-17 05:17:50,918 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808067679] [2021-06-17 05:17:50,918 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-17 05:17:50,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 05:17:50,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-17 05:17:50,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-17 05:17:50,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 05:17:50,921 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 05:17:50,921 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 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) [2021-06-17 05:17:50,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 05:17:50,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 05:17:50,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 05:17:51,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 05:17:51,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 05:17:51,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 05:17:51,875 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-17 05:17:51,875 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-17 05:17:51,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 05:17:51,876 INFO L82 PathProgramCache]: Analyzing trace with hash -1520999025, now seen corresponding path program 1 times [2021-06-17 05:17:51,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 05:17:51,876 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176826897] [2021-06-17 05:17:51,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 05:17:51,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 05:17:52,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 05:17:52,087 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 05:17:52,087 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176826897] [2021-06-17 05:17:52,087 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176826897] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 05:17:52,088 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 05:17:52,088 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-17 05:17:52,088 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711786299] [2021-06-17 05:17:52,088 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-17 05:17:52,088 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 05:17:52,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-17 05:17:52,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-06-17 05:17:52,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 05:17:52,089 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 05:17:52,090 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 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) [2021-06-17 05:17:52,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 05:17:52,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 05:17:52,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 05:17:52,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 05:17:53,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 05:17:53,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 05:17:53,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 05:17:53,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 05:17:53,352 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-17 05:17:53,359 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-17 05:17:53,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.06 05:17:53 BasicIcfg [2021-06-17 05:17:53,360 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-17 05:17:53,361 INFO L168 Benchmark]: Toolchain (without parser) took 5449.76 ms. Allocated memory was 158.3 MB in the beginning and 337.6 MB in the end (delta: 179.3 MB). Free memory was 120.6 MB in the beginning and 148.1 MB in the end (delta: -27.6 MB). Peak memory consumption was 215.3 MB. Max. memory is 8.0 GB. [2021-06-17 05:17:53,361 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 158.3 MB. Free memory is still 138.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-17 05:17:53,362 INFO L168 Benchmark]: CACSL2BoogieTranslator took 662.78 ms. Allocated memory is still 158.3 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 227.3 kB). Peak memory consumption was 16.3 MB. Max. memory is 8.0 GB. [2021-06-17 05:17:53,362 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.84 ms. Allocated memory is still 158.3 MB. Free memory was 120.2 MB in the beginning and 118.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-17 05:17:53,362 INFO L168 Benchmark]: Boogie Preprocessor took 22.43 ms. Allocated memory is still 158.3 MB. Free memory was 118.5 MB in the beginning and 117.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-17 05:17:53,363 INFO L168 Benchmark]: RCFGBuilder took 468.11 ms. Allocated memory is still 158.3 MB. Free memory was 117.0 MB in the beginning and 93.4 MB in the end (delta: 23.6 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2021-06-17 05:17:53,363 INFO L168 Benchmark]: TraceAbstraction took 4224.71 ms. Allocated memory was 158.3 MB in the beginning and 337.6 MB in the end (delta: 179.3 MB). Free memory was 92.9 MB in the beginning and 148.1 MB in the end (delta: -55.2 MB). Peak memory consumption was 188.5 MB. Max. memory is 8.0 GB. [2021-06-17 05:17:53,364 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 158.3 MB. Free memory is still 138.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 662.78 ms. Allocated memory is still 158.3 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 227.3 kB). Peak memory consumption was 16.3 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 48.84 ms. Allocated memory is still 158.3 MB. Free memory was 120.2 MB in the beginning and 118.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 22.43 ms. Allocated memory is still 158.3 MB. Free memory was 118.5 MB in the beginning and 117.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 468.11 ms. Allocated memory is still 158.3 MB. Free memory was 117.0 MB in the beginning and 93.4 MB in the end (delta: 23.6 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 4224.71 ms. Allocated memory was 158.3 MB in the beginning and 337.6 MB in the end (delta: 179.3 MB). Free memory was 92.9 MB in the beginning and 148.1 MB in the end (delta: -55.2 MB). Peak memory consumption was 188.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 62335, positive: 60557, positive conditional: 58131, positive unconditional: 2426, negative: 1778, negative conditional: 1753, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 61289, positive: 60557, positive conditional: 58131, positive unconditional: 2426, negative: 732, negative conditional: 707, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 61289, positive: 60297, positive conditional: 0, positive unconditional: 60297, negative: 992, negative conditional: 0, negative unconditional: 992, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1268, positive: 1252, positive conditional: 0, positive unconditional: 1252, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1268, positive: 1248, positive conditional: 0, positive unconditional: 1248, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 42, positive: 13, positive conditional: 9, positive unconditional: 4, negative: 29, negative conditional: 13, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 118, positive: 28, positive conditional: 19, positive unconditional: 9, negative: 90, negative conditional: 20, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 61289, positive: 59045, positive conditional: 0, positive unconditional: 59045, negative: 976, negative conditional: 0, negative unconditional: 976, unknown: 1268, unknown conditional: 0, unknown unconditional: 1268] , Statistics on independence cache: Total cache size (in pairs): 1290, Positive cache size: 1261, Positive conditional cache size: 9, Positive unconditional cache size: 1252, Negative cache size: 29, Negative conditional cache size: 13, Negative unconditional cache size: 16, SemanticConditionEliminator.Independence Queries: [ total: 3036, positive: 260, positive conditional: 260, positive unconditional: 0, negative: 2776, negative conditional: 178, negative unconditional: 2598, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3036, positive: 260, positive conditional: 260, positive unconditional: 0, negative: 2776, negative conditional: 178, negative unconditional: 2598, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 42, positive: 13, positive conditional: 9, positive unconditional: 4, negative: 29, negative conditional: 13, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 118, positive: 28, positive conditional: 19, positive unconditional: 9, negative: 90, negative conditional: 20, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3036, positive: 251, positive conditional: 251, positive unconditional: 0, negative: 2763, negative conditional: 165, negative unconditional: 2598, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1290, Positive cache size: 1261, Positive conditional cache size: 9, Positive unconditional cache size: 1252, Negative cache size: 29, Negative conditional cache size: 13, Negative unconditional cache size: 16, Eliminated conditions: 2570, SemanticConditionEliminator.Independence Queries: [ total: 3036, positive: 260, positive conditional: 260, positive unconditional: 0, negative: 2776, negative conditional: 178, negative unconditional: 2598, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3036, positive: 260, positive conditional: 260, positive unconditional: 0, negative: 2776, negative conditional: 178, negative unconditional: 2598, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 42, positive: 13, positive conditional: 9, positive unconditional: 4, negative: 29, negative conditional: 13, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 118, positive: 28, positive conditional: 19, positive unconditional: 9, negative: 90, negative conditional: 20, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3036, positive: 251, positive conditional: 251, positive unconditional: 0, negative: 2763, negative conditional: 165, negative unconditional: 2598, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1290, Positive cache size: 1261, Positive conditional cache size: 9, Positive unconditional cache size: 1252, Negative cache size: 29, Negative conditional cache size: 13, Negative unconditional cache size: 16, Eliminated conditions: 2570, SemanticConditionEliminator.Independence Queries: [ total: 3036, positive: 260, positive conditional: 260, positive unconditional: 0, negative: 2776, negative conditional: 178, negative unconditional: 2598, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3036, positive: 260, positive conditional: 260, positive unconditional: 0, negative: 2776, negative conditional: 178, negative unconditional: 2598, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 42, positive: 13, positive conditional: 9, positive unconditional: 4, negative: 29, negative conditional: 13, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 118, positive: 28, positive conditional: 19, positive unconditional: 9, negative: 90, negative conditional: 20, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3036, positive: 251, positive conditional: 251, positive unconditional: 0, negative: 2763, negative conditional: 165, negative unconditional: 2598, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1290, Positive cache size: 1261, Positive conditional cache size: 9, Positive unconditional cache size: 1252, Negative cache size: 29, Negative conditional cache size: 13, Negative unconditional cache size: 16, Eliminated conditions: 2570, SemanticConditionEliminator.Independence Queries: [ total: 3036, positive: 260, positive conditional: 260, positive unconditional: 0, negative: 2776, negative conditional: 178, negative unconditional: 2598, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3036, positive: 260, positive conditional: 260, positive unconditional: 0, negative: 2776, negative conditional: 178, negative unconditional: 2598, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 42, positive: 13, positive conditional: 9, positive unconditional: 4, negative: 29, negative conditional: 13, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 118, positive: 28, positive conditional: 19, positive unconditional: 9, negative: 90, negative conditional: 20, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3036, positive: 251, positive conditional: 251, positive unconditional: 0, negative: 2763, negative conditional: 165, negative unconditional: 2598, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1290, Positive cache size: 1261, Positive conditional cache size: 9, Positive unconditional cache size: 1252, Negative cache size: 29, Negative conditional cache size: 13, Negative unconditional cache size: 16, Eliminated conditions: 2570 ], Maximal queried relation: 4, Independence queries for same thread: 1046 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 1223, Number of persistent set computation: 16436, Number of trivial persistent sets: 4789, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 62335, positive: 60557, positive conditional: 58131, positive unconditional: 2426, negative: 1778, negative conditional: 1753, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 61289, positive: 60557, positive conditional: 58131, positive unconditional: 2426, negative: 732, negative conditional: 707, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 61289, positive: 60297, positive conditional: 0, positive unconditional: 60297, negative: 992, negative conditional: 0, negative unconditional: 992, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1268, positive: 1252, positive conditional: 0, positive unconditional: 1252, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1268, positive: 1248, positive conditional: 0, positive unconditional: 1248, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 42, positive: 13, positive conditional: 9, positive unconditional: 4, negative: 29, negative conditional: 13, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 118, positive: 28, positive conditional: 19, positive unconditional: 9, negative: 90, negative conditional: 20, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 61289, positive: 59045, positive conditional: 0, positive unconditional: 59045, negative: 976, negative conditional: 0, negative unconditional: 976, unknown: 1268, unknown conditional: 0, unknown unconditional: 1268] , Statistics on independence cache: Total cache size (in pairs): 1290, Positive cache size: 1261, Positive conditional cache size: 9, Positive unconditional cache size: 1252, Negative cache size: 29, Negative conditional cache size: 13, Negative unconditional cache size: 16, SemanticConditionEliminator.Independence Queries: [ total: 3036, positive: 260, positive conditional: 260, positive unconditional: 0, negative: 2776, negative conditional: 178, negative unconditional: 2598, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3036, positive: 260, positive conditional: 260, positive unconditional: 0, negative: 2776, negative conditional: 178, negative unconditional: 2598, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 42, positive: 13, positive conditional: 9, positive unconditional: 4, negative: 29, negative conditional: 13, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 118, positive: 28, positive conditional: 19, positive unconditional: 9, negative: 90, negative conditional: 20, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3036, positive: 251, positive conditional: 251, positive unconditional: 0, negative: 2763, negative conditional: 165, negative unconditional: 2598, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1290, Positive cache size: 1261, Positive conditional cache size: 9, Positive unconditional cache size: 1252, Negative cache size: 29, Negative conditional cache size: 13, Negative unconditional cache size: 16, Eliminated conditions: 2570, SemanticConditionEliminator.Independence Queries: [ total: 3036, positive: 260, positive conditional: 260, positive unconditional: 0, negative: 2776, negative conditional: 178, negative unconditional: 2598, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3036, positive: 260, positive conditional: 260, positive unconditional: 0, negative: 2776, negative conditional: 178, negative unconditional: 2598, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 42, positive: 13, positive conditional: 9, positive unconditional: 4, negative: 29, negative conditional: 13, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 118, positive: 28, positive conditional: 19, positive unconditional: 9, negative: 90, negative conditional: 20, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3036, positive: 251, positive conditional: 251, positive unconditional: 0, negative: 2763, negative conditional: 165, negative unconditional: 2598, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1290, Positive cache size: 1261, Positive conditional cache size: 9, Positive unconditional cache size: 1252, Negative cache size: 29, Negative conditional cache size: 13, Negative unconditional cache size: 16, Eliminated conditions: 2570, SemanticConditionEliminator.Independence Queries: [ total: 3036, positive: 260, positive conditional: 260, positive unconditional: 0, negative: 2776, negative conditional: 178, negative unconditional: 2598, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3036, positive: 260, positive conditional: 260, positive unconditional: 0, negative: 2776, negative conditional: 178, negative unconditional: 2598, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 42, positive: 13, positive conditional: 9, positive unconditional: 4, negative: 29, negative conditional: 13, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 118, positive: 28, positive conditional: 19, positive unconditional: 9, negative: 90, negative conditional: 20, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3036, positive: 251, positive conditional: 251, positive unconditional: 0, negative: 2763, negative conditional: 165, negative unconditional: 2598, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1290, Positive cache size: 1261, Positive conditional cache size: 9, Positive unconditional cache size: 1252, Negative cache size: 29, Negative conditional cache size: 13, Negative unconditional cache size: 16, Eliminated conditions: 2570, SemanticConditionEliminator.Independence Queries: [ total: 3036, positive: 260, positive conditional: 260, positive unconditional: 0, negative: 2776, negative conditional: 178, negative unconditional: 2598, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3036, positive: 260, positive conditional: 260, positive unconditional: 0, negative: 2776, negative conditional: 178, negative unconditional: 2598, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 42, positive: 13, positive conditional: 9, positive unconditional: 4, negative: 29, negative conditional: 13, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 118, positive: 28, positive conditional: 19, positive unconditional: 9, negative: 90, negative conditional: 20, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3036, positive: 251, positive conditional: 251, positive unconditional: 0, negative: 2763, negative conditional: 165, negative unconditional: 2598, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1290, Positive cache size: 1261, Positive conditional cache size: 9, Positive unconditional cache size: 1252, Negative cache size: 29, Negative conditional cache size: 13, Negative unconditional cache size: 16, Eliminated conditions: 2570 ], Maximal queried relation: 4, Independence queries for same thread: 1046 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 108 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4101.3ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 16.6ms, PartialOrderReductionTime: 3223.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 38, 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: 14.3ms SsaConstructionTime, 158.8ms SatisfiabilityAnalysisTime, 525.0ms InterpolantComputationTime, 247 NumberOfCodeBlocks, 247 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 243 ConstructedInterpolants, 0 QuantifiedInterpolants, 727 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...