/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-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-ext/23_lu-fig2.fixed.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-14 17:38:41,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-14 17:38:41,210 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-14 17:38:41,233 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-14 17:38:41,283 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-14 17:38:41,284 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-14 17:38:41,285 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-14 17:38:41,290 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-Lockstep.epf [2021-06-14 17:38:41,326 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-14 17:38:41,326 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-14 17:38:41,326 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-14 17:38:41,327 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-14 17:38:41,329 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-14 17:38:41,329 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-14 17:38:41,329 INFO L138 SettingsManager]: * Use SBE=true [2021-06-14 17:38:41,329 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-14 17:38:41,329 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-14 17:38:41,330 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-14 17:38:41,330 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-14 17:38:41,331 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-14 17:38:41,331 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-14 17:38:41,331 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-14 17:38:41,331 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-14 17:38:41,331 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-14 17:38:41,331 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-14 17:38:41,331 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-14 17:38:41,331 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-14 17:38:41,332 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-14 17:38:41,332 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-14 17:38:41,332 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-14 17:38:41,332 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-14 17:38:41,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-14 17:38:41,332 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-14 17:38:41,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-14 17:38:41,344 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-14 17:38:41,344 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-14 17:38:41,344 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-06-14 17:38:41,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-14 17:38:41,344 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-14 17:38:41,344 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-14 17:38:41,345 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-14 17:38:41,345 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-14 17:38:41,345 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-14 17:38:41,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-14 17:38:41,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-14 17:38:41,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-14 17:38:41,633 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-14 17:38:41,633 INFO L275 PluginConnector]: CDTParser initialized [2021-06-14 17:38:41,634 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/23_lu-fig2.fixed.i [2021-06-14 17:38:41,699 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8515fd6f/4ee4a306ac964ddfa615f8f8052f43e5/FLAGbe39ea2d5 [2021-06-14 17:38:42,104 INFO L306 CDTParser]: Found 1 translation units. [2021-06-14 17:38:42,105 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/23_lu-fig2.fixed.i [2021-06-14 17:38:42,119 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8515fd6f/4ee4a306ac964ddfa615f8f8052f43e5/FLAGbe39ea2d5 [2021-06-14 17:38:42,426 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8515fd6f/4ee4a306ac964ddfa615f8f8052f43e5 [2021-06-14 17:38:42,432 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-14 17:38:42,434 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-14 17:38:42,436 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-14 17:38:42,437 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-14 17:38:42,439 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-14 17:38:42,440 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 05:38:42" (1/1) ... [2021-06-14 17:38:42,442 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@375a0a17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 05:38:42, skipping insertion in model container [2021-06-14 17:38:42,442 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 05:38:42" (1/1) ... [2021-06-14 17:38:42,448 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-14 17:38:42,492 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-14 17:38:42,783 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-ext/23_lu-fig2.fixed.i[30382,30395] [2021-06-14 17:38:42,789 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-ext/23_lu-fig2.fixed.i[30752,30765] [2021-06-14 17:38:42,797 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-14 17:38:42,805 INFO L203 MainTranslator]: Completed pre-run [2021-06-14 17:38:42,851 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-ext/23_lu-fig2.fixed.i[30382,30395] [2021-06-14 17:38:42,854 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-ext/23_lu-fig2.fixed.i[30752,30765] [2021-06-14 17:38:42,857 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-14 17:38:42,929 INFO L208 MainTranslator]: Completed translation [2021-06-14 17:38:42,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 05:38:42 WrapperNode [2021-06-14 17:38:42,929 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-14 17:38:42,930 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-14 17:38:42,930 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-14 17:38:42,930 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-14 17:38:42,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 05:38:42" (1/1) ... [2021-06-14 17:38:42,964 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 05:38:42" (1/1) ... [2021-06-14 17:38:42,990 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-14 17:38:42,991 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-14 17:38:42,991 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-14 17:38:42,991 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-14 17:38:42,997 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 05:38:42" (1/1) ... [2021-06-14 17:38:42,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 05:38:42" (1/1) ... [2021-06-14 17:38:43,003 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 05:38:42" (1/1) ... [2021-06-14 17:38:43,003 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 05:38:42" (1/1) ... [2021-06-14 17:38:43,018 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 05:38:42" (1/1) ... [2021-06-14 17:38:43,021 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 05:38:42" (1/1) ... [2021-06-14 17:38:43,022 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 05:38:42" (1/1) ... [2021-06-14 17:38:43,024 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-14 17:38:43,025 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-14 17:38:43,025 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-14 17:38:43,025 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-14 17:38:43,026 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 05:38:42" (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 [2021-06-14 17:38:43,108 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-06-14 17:38:43,109 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-06-14 17:38:43,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-14 17:38:43,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-14 17:38:43,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-14 17:38:43,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-14 17:38:43,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-14 17:38:43,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-14 17:38:43,111 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-14 17:38:43,618 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-14 17:38:43,619 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-06-14 17:38:43,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 05:38:43 BoogieIcfgContainer [2021-06-14 17:38:43,620 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-14 17:38:43,622 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-14 17:38:43,622 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-14 17:38:43,624 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-14 17:38:43,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.06 05:38:42" (1/3) ... [2021-06-14 17:38:43,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f2693e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 05:38:43, skipping insertion in model container [2021-06-14 17:38:43,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 05:38:42" (2/3) ... [2021-06-14 17:38:43,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f2693e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 05:38:43, skipping insertion in model container [2021-06-14 17:38:43,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 05:38:43" (3/3) ... [2021-06-14 17:38:43,627 INFO L111 eAbstractionObserver]: Analyzing ICFG 23_lu-fig2.fixed.i [2021-06-14 17:38:43,647 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-14 17:38:43,647 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-14 17:38:43,647 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-06-14 17:38:43,648 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-14 17:38:43,665 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 17:38:43,665 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 17:38:43,665 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 17:38:43,665 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 17:38:43,665 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 17:38:43,665 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 17:38:43,666 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 17:38:43,666 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 17:38:43,666 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~PR_CreateThread__RES~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 17:38:43,666 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~PR_CreateThread__RES~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 17:38:43,666 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 17:38:43,666 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 17:38:43,667 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 17:38:43,667 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 17:38:43,667 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~PR_CreateThread__RES~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 17:38:43,667 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_#in~PR_CreateThread__RES| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 17:38:43,667 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_~PR_CreateThread__RES not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 17:38:43,667 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~PR_CreateThread__RES~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 17:38:43,668 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_#in~PR_CreateThread__RES| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 17:38:43,668 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_~PR_CreateThread__RES not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 17:38:43,668 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~PR_CreateThread__RES~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 17:38:43,668 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_#in~PR_CreateThread__RES| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 17:38:43,668 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_~PR_CreateThread__RES not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 17:38:43,668 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~PR_CreateThread__RES~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 17:38:43,668 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_#in~PR_CreateThread__RES| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 17:38:43,668 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_~PR_CreateThread__RES not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 17:38:43,669 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 17:38:43,669 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 17:38:43,669 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 17:38:43,669 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 17:38:43,669 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 17:38:43,669 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 17:38:43,669 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 17:38:43,670 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 17:38:43,671 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 17:38:43,672 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 17:38:43,672 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 17:38:43,672 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 17:38:43,672 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 17:38:43,672 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_#in~PR_CreateThread__RES| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 17:38:43,672 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~PR_CreateThread__RES~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 17:38:43,672 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 17:38:43,673 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_~PR_CreateThread__RES not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 17:38:43,674 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-14 17:38:43,692 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 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 [2021-06-14 17:38:43,737 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-14 17:38:43,737 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-14 17:38:43,737 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-14 17:38:43,737 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-14 17:38:43,737 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-14 17:38:43,738 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-14 17:38:43,738 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-14 17:38:43,738 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr1======== [2021-06-14 17:38:43,967 INFO L301 ceAbstractionStarter]: Result for error location thr1 was SAFE (1/3) [2021-06-14 17:38:43,969 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-06-14 17:38:43,992 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-14 17:38:43,992 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-14 17:38:43,992 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-14 17:38:43,992 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-14 17:38:43,993 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-14 17:38:43,993 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-14 17:38:43,993 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-14 17:38:43,993 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr1Thread1of1ForFork0======== Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-14 17:38:44,047 INFO L430 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-14 17:38:44,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 17:38:44,055 INFO L82 PathProgramCache]: Analyzing trace with hash -542176666, now seen corresponding path program 1 times [2021-06-14 17:38:44,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 17:38:44,063 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329017262] [2021-06-14 17:38:44,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 17:38:44,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 17:38:44,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 17:38:44,285 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 17:38:44,285 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329017262] [2021-06-14 17:38:44,285 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329017262] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 17:38:44,286 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 17:38:44,286 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-14 17:38:44,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309552494] [2021-06-14 17:38:44,290 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-14 17:38:44,291 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 17:38:44,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-14 17:38:44,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-14 17:38:44,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 17:38:44,313 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 17:38:44,314 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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) [2021-06-14 17:38:44,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 17:38:44,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 17:38:44,429 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-14 17:38:44,435 INFO L301 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was SAFE (2/3) [2021-06-14 17:38:44,436 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-06-14 17:38:44,450 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-14 17:38:44,451 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-14 17:38:44,451 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-14 17:38:44,451 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-14 17:38:44,451 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-14 17:38:44,451 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-14 17:38:44,451 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-14 17:38:44,451 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-14 17:38:44,505 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-14 17:38:44,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 17:38:44,506 INFO L82 PathProgramCache]: Analyzing trace with hash -943377246, now seen corresponding path program 1 times [2021-06-14 17:38:44,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 17:38:44,507 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472139546] [2021-06-14 17:38:44,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 17:38:44,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 17:38:44,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 17:38:44,571 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 17:38:44,572 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472139546] [2021-06-14 17:38:44,572 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472139546] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 17:38:44,572 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 17:38:44,572 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-14 17:38:44,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552872036] [2021-06-14 17:38:44,572 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-14 17:38:44,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 17:38:44,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-14 17:38:44,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-14 17:38:44,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 17:38:44,574 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 17:38:44,574 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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) [2021-06-14 17:38:44,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 17:38:44,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 17:38:44,586 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-14 17:38:44,586 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-14 17:38:44,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 17:38:44,587 INFO L82 PathProgramCache]: Analyzing trace with hash -1804252941, now seen corresponding path program 1 times [2021-06-14 17:38:44,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 17:38:44,587 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829570053] [2021-06-14 17:38:44,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 17:38:44,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 17:38:44,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 17:38:44,686 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 17:38:44,686 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829570053] [2021-06-14 17:38:44,687 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829570053] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 17:38:44,687 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 17:38:44,687 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-14 17:38:44,687 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382477343] [2021-06-14 17:38:44,688 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-14 17:38:44,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 17:38:44,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-14 17:38:44,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-14 17:38:44,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 17:38:44,689 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 17:38:44,689 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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) [2021-06-14 17:38:44,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 17:38:44,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 17:38:44,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 17:38:44,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 17:38:44,744 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-14 17:38:44,744 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-14 17:38:44,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 17:38:44,745 INFO L82 PathProgramCache]: Analyzing trace with hash 1288788047, now seen corresponding path program 1 times [2021-06-14 17:38:44,745 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 17:38:44,745 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302658389] [2021-06-14 17:38:44,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 17:38:44,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 17:38:44,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 17:38:44,862 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 17:38:44,862 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302658389] [2021-06-14 17:38:44,863 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302658389] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 17:38:44,863 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 17:38:44,863 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-14 17:38:44,863 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829866889] [2021-06-14 17:38:44,863 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-14 17:38:44,864 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 17:38:44,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-14 17:38:44,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-14 17:38:44,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 17:38:44,865 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 17:38:44,865 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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) [2021-06-14 17:38:44,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 17:38:44,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 17:38:44,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 17:38:44,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 17:38:44,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 17:38:44,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 17:38:44,949 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-14 17:38:44,949 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-14 17:38:44,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 17:38:44,950 INFO L82 PathProgramCache]: Analyzing trace with hash -1228504442, now seen corresponding path program 1 times [2021-06-14 17:38:44,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 17:38:44,950 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110135677] [2021-06-14 17:38:44,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 17:38:44,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 17:38:45,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 17:38:45,004 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 17:38:45,004 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110135677] [2021-06-14 17:38:45,005 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110135677] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 17:38:45,005 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 17:38:45,005 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-14 17:38:45,005 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163522297] [2021-06-14 17:38:45,005 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-14 17:38:45,006 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 17:38:45,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-14 17:38:45,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-14 17:38:45,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 17:38:45,006 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 17:38:45,007 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2021-06-14 17:38:45,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 17:38:45,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 17:38:45,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-14 17:38:45,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 17:38:45,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 17:38:45,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 17:38:45,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-14 17:38:45,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 17:38:45,048 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-14 17:38:45,055 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (3/3) [2021-06-14 17:38:45,055 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-14 17:38:45,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.06 05:38:45 BasicIcfg [2021-06-14 17:38:45,057 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-14 17:38:45,058 INFO L168 Benchmark]: Toolchain (without parser) took 2624.44 ms. Allocated memory was 198.2 MB in the beginning and 239.1 MB in the end (delta: 40.9 MB). Free memory was 162.6 MB in the beginning and 192.4 MB in the end (delta: -29.9 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-06-14 17:38:45,058 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 198.2 MB. Free memory is still 180.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-14 17:38:45,059 INFO L168 Benchmark]: CACSL2BoogieTranslator took 493.16 ms. Allocated memory is still 198.2 MB. Free memory was 162.4 MB in the beginning and 160.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-06-14 17:38:45,059 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.96 ms. Allocated memory is still 198.2 MB. Free memory was 160.9 MB in the beginning and 159.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-14 17:38:45,059 INFO L168 Benchmark]: Boogie Preprocessor took 33.65 ms. Allocated memory is still 198.2 MB. Free memory was 159.2 MB in the beginning and 157.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-14 17:38:45,059 INFO L168 Benchmark]: RCFGBuilder took 595.56 ms. Allocated memory is still 198.2 MB. Free memory was 157.8 MB in the beginning and 167.9 MB in the end (delta: -10.1 MB). Peak memory consumption was 34.3 MB. Max. memory is 8.0 GB. [2021-06-14 17:38:45,060 INFO L168 Benchmark]: TraceAbstraction took 1435.50 ms. Allocated memory was 198.2 MB in the beginning and 239.1 MB in the end (delta: 40.9 MB). Free memory was 167.9 MB in the beginning and 192.4 MB in the end (delta: -24.5 MB). Peak memory consumption was 16.3 MB. Max. memory is 8.0 GB. [2021-06-14 17:38:45,061 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 198.2 MB. Free memory is still 180.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 493.16 ms. Allocated memory is still 198.2 MB. Free memory was 162.4 MB in the beginning and 160.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 59.96 ms. Allocated memory is still 198.2 MB. Free memory was 160.9 MB in the beginning and 159.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 33.65 ms. Allocated memory is still 198.2 MB. Free memory was 159.2 MB in the beginning and 157.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 595.56 ms. Allocated memory is still 198.2 MB. Free memory was 157.8 MB in the beginning and 167.9 MB in the end (delta: -10.1 MB). Peak memory consumption was 34.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1435.50 ms. Allocated memory was 198.2 MB in the beginning and 239.1 MB in the end (delta: 40.9 MB). Free memory was 167.9 MB in the beginning and 192.4 MB in the end (delta: -24.5 MB). Peak memory consumption was 16.3 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: 556, positive: 471, positive conditional: 107, positive unconditional: 364, negative: 85, negative conditional: 59, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 505, positive: 471, positive conditional: 107, positive unconditional: 364, negative: 34, negative conditional: 8, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 505, positive: 471, positive conditional: 0, positive unconditional: 471, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 240, positive: 234, positive conditional: 0, positive unconditional: 234, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 240, positive: 227, positive conditional: 0, positive unconditional: 227, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 13, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 93, positive: 66, positive conditional: 0, positive unconditional: 66, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 505, positive: 237, positive conditional: 0, positive unconditional: 237, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 240, unknown conditional: 0, unknown unconditional: 240] , Statistics on independence cache: Total cache size (in pairs): 240, Positive cache size: 234, Positive conditional cache size: 0, Positive unconditional cache size: 234, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 ], Maximal queried relation: 0, Independence queries for same thread: 51 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 154, Number of persistent set computation: 232, Number of trivial persistent sets: 195, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 556, positive: 471, positive conditional: 107, positive unconditional: 364, negative: 85, negative conditional: 59, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 505, positive: 471, positive conditional: 107, positive unconditional: 364, negative: 34, negative conditional: 8, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 505, positive: 471, positive conditional: 0, positive unconditional: 471, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 240, positive: 234, positive conditional: 0, positive unconditional: 234, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 240, positive: 227, positive conditional: 0, positive unconditional: 227, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 13, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 93, positive: 66, positive conditional: 0, positive unconditional: 66, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 505, positive: 237, positive conditional: 0, positive unconditional: 237, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 240, unknown conditional: 0, unknown unconditional: 240] , Statistics on independence cache: Total cache size (in pairs): 240, Positive cache size: 234, Positive conditional cache size: 0, Positive unconditional cache size: 234, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 ], Maximal queried relation: 0, Independence queries for same thread: 51 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 561, positive: 479, positive conditional: 118, positive unconditional: 361, negative: 82, negative conditional: 56, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 513, positive: 479, positive conditional: 118, positive unconditional: 361, negative: 34, negative conditional: 8, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 513, positive: 479, positive conditional: 0, positive unconditional: 479, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 216, positive: 210, positive conditional: 0, positive unconditional: 210, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 216, positive: 203, positive conditional: 0, positive unconditional: 203, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 9, negative conditional: 3, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 80, positive: 54, positive conditional: 0, positive unconditional: 54, negative: 26, negative conditional: 11, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 513, positive: 269, positive conditional: 0, positive unconditional: 269, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 216, unknown conditional: 0, unknown unconditional: 216] , Statistics on independence cache: Total cache size (in pairs): 219, Positive cache size: 210, Positive conditional cache size: 0, Positive unconditional cache size: 210, Negative cache size: 9, Negative conditional cache size: 3, Negative unconditional cache size: 6, SemanticConditionEliminator.Independence Queries: [ total: 32, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 32, negative conditional: 3, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 32, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 32, negative conditional: 3, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 9, negative conditional: 3, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 80, positive: 54, positive conditional: 0, positive unconditional: 54, negative: 26, negative conditional: 11, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 32, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 219, Positive cache size: 210, Positive conditional cache size: 0, Positive unconditional cache size: 210, Negative cache size: 9, Negative conditional cache size: 3, Negative unconditional cache size: 6, Eliminated conditions: 5 ], Maximal queried relation: 1, Independence queries for same thread: 48 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 96, Number of persistent set computation: 279, Number of trivial persistent sets: 250, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 561, positive: 479, positive conditional: 118, positive unconditional: 361, negative: 82, negative conditional: 56, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 513, positive: 479, positive conditional: 118, positive unconditional: 361, negative: 34, negative conditional: 8, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 513, positive: 479, positive conditional: 0, positive unconditional: 479, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 216, positive: 210, positive conditional: 0, positive unconditional: 210, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 216, positive: 203, positive conditional: 0, positive unconditional: 203, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 9, negative conditional: 3, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 80, positive: 54, positive conditional: 0, positive unconditional: 54, negative: 26, negative conditional: 11, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 513, positive: 269, positive conditional: 0, positive unconditional: 269, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 216, unknown conditional: 0, unknown unconditional: 216] , Statistics on independence cache: Total cache size (in pairs): 219, Positive cache size: 210, Positive conditional cache size: 0, Positive unconditional cache size: 210, Negative cache size: 9, Negative conditional cache size: 3, Negative unconditional cache size: 6, SemanticConditionEliminator.Independence Queries: [ total: 32, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 32, negative conditional: 3, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 32, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 32, negative conditional: 3, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 9, negative conditional: 3, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 80, positive: 54, positive conditional: 0, positive unconditional: 54, negative: 26, negative conditional: 11, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 32, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 219, Positive cache size: 210, Positive conditional cache size: 0, Positive unconditional cache size: 210, Negative cache size: 9, Negative conditional cache size: 3, Negative unconditional cache size: 6, Eliminated conditions: 5 ], Maximal queried relation: 1, Independence queries for same thread: 48 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1162, positive: 948, positive conditional: 331, positive unconditional: 617, negative: 214, negative conditional: 190, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 983, positive: 948, positive conditional: 331, positive unconditional: 617, negative: 35, negative conditional: 11, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 983, positive: 944, positive conditional: 0, positive unconditional: 944, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 201, positive: 196, positive conditional: 0, positive unconditional: 196, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 201, positive: 193, positive conditional: 0, positive unconditional: 193, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 15, positive: 4, positive conditional: 1, positive unconditional: 3, negative: 11, negative conditional: 6, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 78, positive: 46, positive conditional: 10, positive unconditional: 36, negative: 32, negative conditional: 16, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 983, positive: 748, positive conditional: 0, positive unconditional: 748, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 201, unknown conditional: 0, unknown unconditional: 201] , Statistics on independence cache: Total cache size (in pairs): 208, Positive cache size: 197, Positive conditional cache size: 1, Positive unconditional cache size: 196, Negative cache size: 11, Negative conditional cache size: 6, Negative unconditional cache size: 5, SemanticConditionEliminator.Independence Queries: [ total: 96, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 92, negative conditional: 11, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 96, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 92, negative conditional: 11, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 15, positive: 4, positive conditional: 1, positive unconditional: 3, negative: 11, negative conditional: 6, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 78, positive: 46, positive conditional: 10, positive unconditional: 36, negative: 32, negative conditional: 16, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 96, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 86, negative conditional: 5, negative unconditional: 81, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 208, Positive cache size: 197, Positive conditional cache size: 1, Positive unconditional cache size: 196, Negative cache size: 11, Negative conditional cache size: 6, Negative unconditional cache size: 5, Eliminated conditions: 29, SemanticConditionEliminator.Independence Queries: [ total: 96, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 92, negative conditional: 11, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 96, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 92, negative conditional: 11, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 15, positive: 4, positive conditional: 1, positive unconditional: 3, negative: 11, negative conditional: 6, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 78, positive: 46, positive conditional: 10, positive unconditional: 36, negative: 32, negative conditional: 16, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 96, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 86, negative conditional: 5, negative unconditional: 81, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 208, Positive cache size: 197, Positive conditional cache size: 1, Positive unconditional cache size: 196, Negative cache size: 11, Negative conditional cache size: 6, Negative unconditional cache size: 5, Eliminated conditions: 29, SemanticConditionEliminator.Independence Queries: [ total: 96, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 92, negative conditional: 11, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 96, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 92, negative conditional: 11, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 15, positive: 4, positive conditional: 1, positive unconditional: 3, negative: 11, negative conditional: 6, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 78, positive: 46, positive conditional: 10, positive unconditional: 36, negative: 32, negative conditional: 16, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 96, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 86, negative conditional: 5, negative unconditional: 81, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 208, Positive cache size: 197, Positive conditional cache size: 1, Positive unconditional cache size: 196, Negative cache size: 11, Negative conditional cache size: 6, Negative unconditional cache size: 5, Eliminated conditions: 29, SemanticConditionEliminator.Independence Queries: [ total: 96, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 92, negative conditional: 11, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 96, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 92, negative conditional: 11, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 15, positive: 4, positive conditional: 1, positive unconditional: 3, negative: 11, negative conditional: 6, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 78, positive: 46, positive conditional: 10, positive unconditional: 36, negative: 32, negative conditional: 16, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 96, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 86, negative conditional: 5, negative unconditional: 81, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 208, Positive cache size: 197, Positive conditional cache size: 1, Positive unconditional cache size: 196, Negative cache size: 11, Negative conditional cache size: 6, Negative unconditional cache size: 5, Eliminated conditions: 29 ], Maximal queried relation: 4, Independence queries for same thread: 179 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 86, Number of persistent set computation: 788, Number of trivial persistent sets: 734, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1162, positive: 948, positive conditional: 331, positive unconditional: 617, negative: 214, negative conditional: 190, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 983, positive: 948, positive conditional: 331, positive unconditional: 617, negative: 35, negative conditional: 11, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 983, positive: 944, positive conditional: 0, positive unconditional: 944, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 201, positive: 196, positive conditional: 0, positive unconditional: 196, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 201, positive: 193, positive conditional: 0, positive unconditional: 193, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 15, positive: 4, positive conditional: 1, positive unconditional: 3, negative: 11, negative conditional: 6, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 78, positive: 46, positive conditional: 10, positive unconditional: 36, negative: 32, negative conditional: 16, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 983, positive: 748, positive conditional: 0, positive unconditional: 748, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 201, unknown conditional: 0, unknown unconditional: 201] , Statistics on independence cache: Total cache size (in pairs): 208, Positive cache size: 197, Positive conditional cache size: 1, Positive unconditional cache size: 196, Negative cache size: 11, Negative conditional cache size: 6, Negative unconditional cache size: 5, SemanticConditionEliminator.Independence Queries: [ total: 96, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 92, negative conditional: 11, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 96, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 92, negative conditional: 11, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 15, positive: 4, positive conditional: 1, positive unconditional: 3, negative: 11, negative conditional: 6, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 78, positive: 46, positive conditional: 10, positive unconditional: 36, negative: 32, negative conditional: 16, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 96, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 86, negative conditional: 5, negative unconditional: 81, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 208, Positive cache size: 197, Positive conditional cache size: 1, Positive unconditional cache size: 196, Negative cache size: 11, Negative conditional cache size: 6, Negative unconditional cache size: 5, Eliminated conditions: 29, SemanticConditionEliminator.Independence Queries: [ total: 96, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 92, negative conditional: 11, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 96, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 92, negative conditional: 11, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 15, positive: 4, positive conditional: 1, positive unconditional: 3, negative: 11, negative conditional: 6, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 78, positive: 46, positive conditional: 10, positive unconditional: 36, negative: 32, negative conditional: 16, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 96, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 86, negative conditional: 5, negative unconditional: 81, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 208, Positive cache size: 197, Positive conditional cache size: 1, Positive unconditional cache size: 196, Negative cache size: 11, Negative conditional cache size: 6, Negative unconditional cache size: 5, Eliminated conditions: 29, SemanticConditionEliminator.Independence Queries: [ total: 96, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 92, negative conditional: 11, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 96, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 92, negative conditional: 11, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 15, positive: 4, positive conditional: 1, positive unconditional: 3, negative: 11, negative conditional: 6, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 78, positive: 46, positive conditional: 10, positive unconditional: 36, negative: 32, negative conditional: 16, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 96, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 86, negative conditional: 5, negative unconditional: 81, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 208, Positive cache size: 197, Positive conditional cache size: 1, Positive unconditional cache size: 196, Negative cache size: 11, Negative conditional cache size: 6, Negative unconditional cache size: 5, Eliminated conditions: 29, SemanticConditionEliminator.Independence Queries: [ total: 96, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 92, negative conditional: 11, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 96, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 92, negative conditional: 11, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 15, positive: 4, positive conditional: 1, positive unconditional: 3, negative: 11, negative conditional: 6, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 78, positive: 46, positive conditional: 10, positive unconditional: 36, negative: 32, negative conditional: 16, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 96, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 86, negative conditional: 5, negative unconditional: 81, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 208, Positive cache size: 197, Positive conditional cache size: 1, Positive unconditional cache size: 196, Negative cache size: 11, Negative conditional cache size: 6, Negative unconditional cache size: 5, Eliminated conditions: 29 ], Maximal queried relation: 4, Independence queries for same thread: 179 - PositiveResult [Line: 707]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 721]: 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: thr1 with 1 thread instances CFG has 3 procedures, 60 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 261.1ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.2ms, PartialOrderReductionTime: 207.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr1Thread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 60 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 464.1ms, OverallIterations: 1, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.3ms, PartialOrderReductionTime: 166.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3, 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: 4.6ms SsaConstructionTime, 43.1ms SatisfiabilityAnalysisTime, 110.3ms InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 55 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 60 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 617.6ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.2ms, PartialOrderReductionTime: 243.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 14, 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: 6.8ms SsaConstructionTime, 55.1ms SatisfiabilityAnalysisTime, 253.9ms InterpolantComputationTime, 135 NumberOfCodeBlocks, 135 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 131 ConstructedInterpolants, 0 QuantifiedInterpolants, 337 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...