/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-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 17:25:11,700 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 17:25:11,702 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 17:25:11,734 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 17:25:11,777 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 17:25:11,778 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 17:25:11,778 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 17:25:11,782 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 [2021-07-14 17:25:11,812 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 17:25:11,812 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 17:25:11,813 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 17:25:11,813 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 17:25:11,816 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 17:25:11,816 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 17:25:11,816 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 17:25:11,816 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 17:25:11,817 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 17:25:11,817 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 17:25:11,818 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 17:25:11,818 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 17:25:11,818 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 17:25:11,818 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 17:25:11,818 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 17:25:11,818 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 17:25:11,819 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 17:25:11,819 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 17:25:11,819 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 17:25:11,819 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 17:25:11,819 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 17:25:11,819 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 17:25:11,820 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 17:25:11,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 17:25:11,820 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 17:25:11,820 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 17:25:11,820 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 17:25:11,820 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 17:25:11,821 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-14 17:25:11,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 17:25:11,821 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 17:25:11,821 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 17:25:11,821 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 17:25:11,822 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 17:25:11,822 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 17:25:12,146 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 17:25:12,180 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 17:25:12,182 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 17:25:12,183 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-14 17:25:12,183 INFO L275 PluginConnector]: CDTParser initialized [2021-07-14 17:25:12,184 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/23_lu-fig2.fixed.i [2021-07-14 17:25:12,242 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc9e284a3/bdd1a042ba8b41ad95137a2292b60338/FLAG2fe44c402 [2021-07-14 17:25:12,800 INFO L306 CDTParser]: Found 1 translation units. [2021-07-14 17:25:12,800 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/23_lu-fig2.fixed.i [2021-07-14 17:25:12,816 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc9e284a3/bdd1a042ba8b41ad95137a2292b60338/FLAG2fe44c402 [2021-07-14 17:25:13,259 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc9e284a3/bdd1a042ba8b41ad95137a2292b60338 [2021-07-14 17:25:13,263 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 17:25:13,266 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-14 17:25:13,269 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-14 17:25:13,269 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-14 17:25:13,273 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-14 17:25:13,274 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 05:25:13" (1/1) ... [2021-07-14 17:25:13,275 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1250b208 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:25:13, skipping insertion in model container [2021-07-14 17:25:13,280 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 05:25:13" (1/1) ... [2021-07-14 17:25:13,287 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-14 17:25:13,329 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-14 17:25:13,655 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] [2021-07-14 17:25:13,666 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] [2021-07-14 17:25:13,678 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 17:25:13,689 INFO L203 MainTranslator]: Completed pre-run [2021-07-14 17:25:13,739 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] [2021-07-14 17:25:13,747 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] [2021-07-14 17:25:13,751 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 17:25:13,792 INFO L208 MainTranslator]: Completed translation [2021-07-14 17:25:13,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:25:13 WrapperNode [2021-07-14 17:25:13,793 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-14 17:25:13,794 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 17:25:13,794 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 17:25:13,794 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 17:25:13,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:25:13" (1/1) ... [2021-07-14 17:25:13,836 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:25:13" (1/1) ... [2021-07-14 17:25:13,864 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 17:25:13,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 17:25:13,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 17:25:13,865 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 17:25:13,872 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:25:13" (1/1) ... [2021-07-14 17:25:13,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:25:13" (1/1) ... [2021-07-14 17:25:13,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:25:13" (1/1) ... [2021-07-14 17:25:13,879 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:25:13" (1/1) ... [2021-07-14 17:25:13,895 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:25:13" (1/1) ... [2021-07-14 17:25:13,901 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:25:13" (1/1) ... [2021-07-14 17:25:13,908 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:25:13" (1/1) ... [2021-07-14 17:25:13,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 17:25:13,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 17:25:13,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 17:25:13,911 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 17:25:13,912 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:25:13" (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 [2021-07-14 17:25:13,980 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-07-14 17:25:13,980 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-07-14 17:25:13,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-14 17:25:13,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-14 17:25:13,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-14 17:25:13,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-14 17:25:13,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 17:25:13,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 17:25:13,983 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 17:25:14,711 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 17:25:14,711 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-07-14 17:25:14,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 05:25:14 BoogieIcfgContainer [2021-07-14 17:25:14,713 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 17:25:14,715 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 17:25:14,715 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 17:25:14,718 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 17:25:14,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 05:25:13" (1/3) ... [2021-07-14 17:25:14,719 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51256288 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 05:25:14, skipping insertion in model container [2021-07-14 17:25:14,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:25:13" (2/3) ... [2021-07-14 17:25:14,720 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51256288 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 05:25:14, skipping insertion in model container [2021-07-14 17:25:14,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 05:25:14" (3/3) ... [2021-07-14 17:25:14,722 INFO L111 eAbstractionObserver]: Analyzing ICFG 23_lu-fig2.fixed.i [2021-07-14 17:25:14,727 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 17:25:14,727 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 17:25:14,728 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-07-14 17:25:14,728 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 17:25:14,763 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:25:14,763 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:25:14,763 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:25:14,764 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:25:14,764 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:25:14,764 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:25:14,764 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:25:14,764 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:25:14,764 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~PR_CreateThread__RES~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:25:14,765 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~PR_CreateThread__RES~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:25:14,765 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:25:14,765 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:25:14,765 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:25:14,765 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:25:14,766 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~PR_CreateThread__RES~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:25:14,766 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_#in~PR_CreateThread__RES| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:25:14,766 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_~PR_CreateThread__RES not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:25:14,766 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~PR_CreateThread__RES~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:25:14,766 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_#in~PR_CreateThread__RES| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:25:14,766 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_~PR_CreateThread__RES not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:25:14,767 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~PR_CreateThread__RES~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:25:14,767 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_#in~PR_CreateThread__RES| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:25:14,767 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_~PR_CreateThread__RES not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:25:14,768 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~PR_CreateThread__RES~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:25:14,768 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_#in~PR_CreateThread__RES| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:25:14,768 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_~PR_CreateThread__RES not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:25:14,768 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:25:14,769 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:25:14,769 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:25:14,769 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:25:14,769 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:25:14,769 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:25:14,770 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:25:14,770 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:25:14,773 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:25:14,773 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:25:14,774 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:25:14,774 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:25:14,775 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:25:14,775 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_#in~PR_CreateThread__RES| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:25:14,775 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~PR_CreateThread__RES~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:25:14,775 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:25:14,775 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_~PR_CreateThread__RES not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:25:14,779 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-14 17:25:14,803 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 [2021-07-14 17:25:14,872 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 17:25:14,872 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 17:25:14,872 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 17:25:14,872 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 17:25:14,873 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 17:25:14,873 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 17:25:14,873 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 17:25:14,873 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr1Thread1of1ForFork0======== [2021-07-14 17:25:14,969 INFO L430 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 17:25:14,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 17:25:14,975 INFO L82 PathProgramCache]: Analyzing trace with hash -542176666, now seen corresponding path program 1 times [2021-07-14 17:25:14,983 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 17:25:14,983 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224262738] [2021-07-14 17:25:14,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 17:25:15,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 17:25:15,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 17:25:15,196 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 17:25:15,196 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224262738] [2021-07-14 17:25:15,197 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224262738] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 17:25:15,197 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 17:25:15,197 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 17:25:15,198 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198819996] [2021-07-14 17:25:15,202 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 17:25:15,203 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 17:25:15,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 17:25:15,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 17:25:15,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:25:15,221 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 17:25:15,223 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) [2021-07-14 17:25:15,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:25:15,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 17:25:15,288 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 17:25:15,295 INFO L301 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was SAFE (1/2) [2021-07-14 17:25:15,297 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 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-07-14 17:25:15,311 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 17:25:15,312 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 17:25:15,312 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 17:25:15,312 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 17:25:15,312 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 17:25:15,312 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 17:25:15,313 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 17:25:15,313 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 17:25:15,374 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 17:25:15,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 17:25:15,375 INFO L82 PathProgramCache]: Analyzing trace with hash -943377246, now seen corresponding path program 1 times [2021-07-14 17:25:15,375 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 17:25:15,376 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567018952] [2021-07-14 17:25:15,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 17:25:15,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 17:25:15,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 17:25:15,426 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 17:25:15,427 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567018952] [2021-07-14 17:25:15,427 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567018952] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 17:25:15,427 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 17:25:15,427 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 17:25:15,427 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962456356] [2021-07-14 17:25:15,428 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 17:25:15,428 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 17:25:15,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 17:25:15,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 17:25:15,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:25:15,429 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 17:25:15,429 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) [2021-07-14 17:25:15,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:25:15,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 17:25:15,446 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 17:25:15,446 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 17:25:15,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 17:25:15,447 INFO L82 PathProgramCache]: Analyzing trace with hash -1804252941, now seen corresponding path program 1 times [2021-07-14 17:25:15,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 17:25:15,447 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157768335] [2021-07-14 17:25:15,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 17:25:15,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 17:25:15,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 17:25:15,613 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 17:25:15,613 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157768335] [2021-07-14 17:25:15,613 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157768335] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 17:25:15,613 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 17:25:15,613 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 17:25:15,614 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236725512] [2021-07-14 17:25:15,615 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 17:25:15,615 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 17:25:15,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 17:25:15,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-14 17:25:15,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:25:15,616 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 17:25:15,616 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) [2021-07-14 17:25:15,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 17:25:15,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:25:15,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 17:25:15,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 17:25:15,704 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-14 17:25:15,705 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 17:25:15,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 17:25:15,706 INFO L82 PathProgramCache]: Analyzing trace with hash 1288788047, now seen corresponding path program 1 times [2021-07-14 17:25:15,707 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 17:25:15,707 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27746549] [2021-07-14 17:25:15,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 17:25:15,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 17:25:15,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 17:25:15,836 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 17:25:15,837 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27746549] [2021-07-14 17:25:15,837 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27746549] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 17:25:15,837 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 17:25:15,837 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-14 17:25:15,837 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952508928] [2021-07-14 17:25:15,838 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 17:25:15,838 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 17:25:15,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 17:25:15,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-07-14 17:25:15,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:25:15,839 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 17:25:15,839 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) [2021-07-14 17:25:15,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 17:25:15,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 17:25:15,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:25:15,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 17:25:15,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 17:25:15,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 17:25:15,894 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-14 17:25:15,895 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 17:25:15,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 17:25:15,895 INFO L82 PathProgramCache]: Analyzing trace with hash -1228504442, now seen corresponding path program 1 times [2021-07-14 17:25:15,895 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 17:25:15,896 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151299600] [2021-07-14 17:25:15,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 17:25:15,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 17:25:15,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 17:25:15,959 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 17:25:15,959 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151299600] [2021-07-14 17:25:15,959 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151299600] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 17:25:15,960 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 17:25:15,960 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 17:25:15,960 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265099953] [2021-07-14 17:25:15,960 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 17:25:15,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 17:25:15,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 17:25:15,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 17:25:15,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:25:15,961 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 17:25:15,961 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) [2021-07-14 17:25:15,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 17:25:15,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 17:25:15,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 17:25:15,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:25:16,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 17:25:16,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 17:25:16,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 17:25:16,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 17:25:16,004 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-07-14 17:25:16,009 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (2/2) [2021-07-14 17:25:16,009 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-14 17:25:16,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 05:25:16 BasicIcfg [2021-07-14 17:25:16,012 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 17:25:16,013 INFO L168 Benchmark]: Toolchain (without parser) took 2747.69 ms. Allocated memory is still 255.9 MB. Free memory was 218.3 MB in the beginning and 96.8 MB in the end (delta: 121.6 MB). Peak memory consumption was 121.2 MB. Max. memory is 8.0 GB. [2021-07-14 17:25:16,014 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 255.9 MB. Free memory was 236.4 MB in the beginning and 236.3 MB in the end (delta: 82.4 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 17:25:16,014 INFO L168 Benchmark]: CACSL2BoogieTranslator took 524.19 ms. Allocated memory is still 255.9 MB. Free memory was 218.2 MB in the beginning and 228.9 MB in the end (delta: -10.7 MB). Peak memory consumption was 11.1 MB. Max. memory is 8.0 GB. [2021-07-14 17:25:16,014 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.66 ms. Allocated memory is still 255.9 MB. Free memory was 228.9 MB in the beginning and 226.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-14 17:25:16,015 INFO L168 Benchmark]: Boogie Preprocessor took 45.16 ms. Allocated memory is still 255.9 MB. Free memory was 226.8 MB in the beginning and 225.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 17:25:16,015 INFO L168 Benchmark]: RCFGBuilder took 802.82 ms. Allocated memory is still 255.9 MB. Free memory was 225.2 MB in the beginning and 181.7 MB in the end (delta: 43.5 MB). Peak memory consumption was 44.0 MB. Max. memory is 8.0 GB. [2021-07-14 17:25:16,016 INFO L168 Benchmark]: TraceAbstraction took 1297.39 ms. Allocated memory is still 255.9 MB. Free memory was 181.2 MB in the beginning and 96.8 MB in the end (delta: 84.4 MB). Peak memory consumption was 84.9 MB. Max. memory is 8.0 GB. [2021-07-14 17:25:16,018 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 255.9 MB. Free memory was 236.4 MB in the beginning and 236.3 MB in the end (delta: 82.4 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 524.19 ms. Allocated memory is still 255.9 MB. Free memory was 218.2 MB in the beginning and 228.9 MB in the end (delta: -10.7 MB). Peak memory consumption was 11.1 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 69.66 ms. Allocated memory is still 255.9 MB. Free memory was 228.9 MB in the beginning and 226.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 45.16 ms. Allocated memory is still 255.9 MB. Free memory was 226.8 MB in the beginning and 225.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 802.82 ms. Allocated memory is still 255.9 MB. Free memory was 225.2 MB in the beginning and 181.7 MB in the end (delta: 43.5 MB). Peak memory consumption was 44.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1297.39 ms. Allocated memory is still 255.9 MB. Free memory was 181.2 MB in the beginning and 96.8 MB in the end (delta: 84.4 MB). Peak memory consumption was 84.9 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: 470, positive: 421, positive conditional: 57, positive unconditional: 364, negative: 49, negative conditional: 21, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 452, positive: 421, positive conditional: 57, positive unconditional: 364, negative: 31, negative conditional: 3, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 452, positive: 421, positive conditional: 0, positive unconditional: 421, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 203, positive: 194, positive conditional: 0, positive unconditional: 194, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 203, positive: 187, positive conditional: 0, positive unconditional: 187, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 9, negative conditional: 0, negative unconditional: 9, 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: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 76, positive: 53, positive conditional: 0, positive unconditional: 53, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 452, positive: 227, positive conditional: 0, positive unconditional: 227, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 203, unknown conditional: 0, unknown unconditional: 203] , Statistics on independence cache: Total cache size (in pairs): 203, Positive cache size: 194, Positive conditional cache size: 0, Positive unconditional cache size: 194, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, SemanticConditionEliminator.Independence Queries: [ total: 26, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 26, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 26, negative conditional: 0, negative unconditional: 26, 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: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 76, positive: 53, positive conditional: 0, positive unconditional: 53, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 26, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 203, Positive cache size: 194, Positive conditional cache size: 0, Positive unconditional cache size: 194, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, Eliminated conditions: 3 ], Maximal queried relation: 1, Independence queries for same thread: 18 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 98, Number of persistent set computation: 55, Number of trivial persistent sets: 51, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 470, positive: 421, positive conditional: 57, positive unconditional: 364, negative: 49, negative conditional: 21, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 452, positive: 421, positive conditional: 57, positive unconditional: 364, negative: 31, negative conditional: 3, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 452, positive: 421, positive conditional: 0, positive unconditional: 421, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 203, positive: 194, positive conditional: 0, positive unconditional: 194, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 203, positive: 187, positive conditional: 0, positive unconditional: 187, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 9, negative conditional: 0, negative unconditional: 9, 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: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 76, positive: 53, positive conditional: 0, positive unconditional: 53, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 452, positive: 227, positive conditional: 0, positive unconditional: 227, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 203, unknown conditional: 0, unknown unconditional: 203] , Statistics on independence cache: Total cache size (in pairs): 203, Positive cache size: 194, Positive conditional cache size: 0, Positive unconditional cache size: 194, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, SemanticConditionEliminator.Independence Queries: [ total: 26, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 26, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 26, negative conditional: 0, negative unconditional: 26, 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: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 76, positive: 53, positive conditional: 0, positive unconditional: 53, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 26, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 203, Positive cache size: 194, Positive conditional cache size: 0, Positive unconditional cache size: 194, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, Eliminated conditions: 3 ], Maximal queried relation: 1, Independence queries for same thread: 18 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1244, positive: 1045, positive conditional: 287, positive unconditional: 758, negative: 199, negative conditional: 166, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1088, positive: 1045, positive conditional: 287, positive unconditional: 758, negative: 43, negative conditional: 10, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1088, positive: 1043, positive conditional: 0, positive unconditional: 1043, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 272, positive: 262, positive conditional: 0, positive unconditional: 262, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 272, positive: 255, positive conditional: 0, positive unconditional: 255, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 8, positive conditional: 1, positive unconditional: 7, negative: 16, negative conditional: 6, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 100, positive: 49, positive conditional: 3, positive unconditional: 46, negative: 51, negative conditional: 13, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1088, positive: 781, positive conditional: 0, positive unconditional: 781, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 272, unknown conditional: 0, unknown unconditional: 272] , Statistics on independence cache: Total cache size (in pairs): 279, Positive cache size: 263, Positive conditional cache size: 1, Positive unconditional cache size: 262, Negative cache size: 16, Negative conditional cache size: 6, Negative unconditional cache size: 10, SemanticConditionEliminator.Independence Queries: [ total: 101, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 99, negative conditional: 11, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 101, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 99, negative conditional: 11, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 8, positive conditional: 1, positive unconditional: 7, negative: 16, negative conditional: 6, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 100, positive: 49, positive conditional: 3, positive unconditional: 46, negative: 51, negative conditional: 13, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 101, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 93, negative conditional: 5, negative unconditional: 88, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 279, Positive cache size: 263, Positive conditional cache size: 1, Positive unconditional cache size: 262, Negative cache size: 16, Negative conditional cache size: 6, Negative unconditional cache size: 10, Eliminated conditions: 23, SemanticConditionEliminator.Independence Queries: [ total: 101, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 99, negative conditional: 11, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 101, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 99, negative conditional: 11, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 8, positive conditional: 1, positive unconditional: 7, negative: 16, negative conditional: 6, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 100, positive: 49, positive conditional: 3, positive unconditional: 46, negative: 51, negative conditional: 13, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 101, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 93, negative conditional: 5, negative unconditional: 88, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 279, Positive cache size: 263, Positive conditional cache size: 1, Positive unconditional cache size: 262, Negative cache size: 16, Negative conditional cache size: 6, Negative unconditional cache size: 10, Eliminated conditions: 23, SemanticConditionEliminator.Independence Queries: [ total: 101, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 99, negative conditional: 11, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 101, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 99, negative conditional: 11, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 8, positive conditional: 1, positive unconditional: 7, negative: 16, negative conditional: 6, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 100, positive: 49, positive conditional: 3, positive unconditional: 46, negative: 51, negative conditional: 13, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 101, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 93, negative conditional: 5, negative unconditional: 88, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 279, Positive cache size: 263, Positive conditional cache size: 1, Positive unconditional cache size: 262, Negative cache size: 16, Negative conditional cache size: 6, Negative unconditional cache size: 10, Eliminated conditions: 23, SemanticConditionEliminator.Independence Queries: [ total: 101, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 99, negative conditional: 11, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 101, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 99, negative conditional: 11, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 8, positive conditional: 1, positive unconditional: 7, negative: 16, negative conditional: 6, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 100, positive: 49, positive conditional: 3, positive unconditional: 46, negative: 51, negative conditional: 13, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 101, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 93, negative conditional: 5, negative unconditional: 88, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 279, Positive cache size: 263, Positive conditional cache size: 1, Positive unconditional cache size: 262, Negative cache size: 16, Negative conditional cache size: 6, Negative unconditional cache size: 10, Eliminated conditions: 23 ], Maximal queried relation: 4, Independence queries for same thread: 156 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 107, Number of persistent set computation: 88, Number of trivial persistent sets: 81, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1244, positive: 1045, positive conditional: 287, positive unconditional: 758, negative: 199, negative conditional: 166, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1088, positive: 1045, positive conditional: 287, positive unconditional: 758, negative: 43, negative conditional: 10, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1088, positive: 1043, positive conditional: 0, positive unconditional: 1043, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 272, positive: 262, positive conditional: 0, positive unconditional: 262, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 272, positive: 255, positive conditional: 0, positive unconditional: 255, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 8, positive conditional: 1, positive unconditional: 7, negative: 16, negative conditional: 6, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 100, positive: 49, positive conditional: 3, positive unconditional: 46, negative: 51, negative conditional: 13, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1088, positive: 781, positive conditional: 0, positive unconditional: 781, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 272, unknown conditional: 0, unknown unconditional: 272] , Statistics on independence cache: Total cache size (in pairs): 279, Positive cache size: 263, Positive conditional cache size: 1, Positive unconditional cache size: 262, Negative cache size: 16, Negative conditional cache size: 6, Negative unconditional cache size: 10, SemanticConditionEliminator.Independence Queries: [ total: 101, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 99, negative conditional: 11, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 101, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 99, negative conditional: 11, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 8, positive conditional: 1, positive unconditional: 7, negative: 16, negative conditional: 6, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 100, positive: 49, positive conditional: 3, positive unconditional: 46, negative: 51, negative conditional: 13, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 101, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 93, negative conditional: 5, negative unconditional: 88, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 279, Positive cache size: 263, Positive conditional cache size: 1, Positive unconditional cache size: 262, Negative cache size: 16, Negative conditional cache size: 6, Negative unconditional cache size: 10, Eliminated conditions: 23, SemanticConditionEliminator.Independence Queries: [ total: 101, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 99, negative conditional: 11, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 101, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 99, negative conditional: 11, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 8, positive conditional: 1, positive unconditional: 7, negative: 16, negative conditional: 6, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 100, positive: 49, positive conditional: 3, positive unconditional: 46, negative: 51, negative conditional: 13, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 101, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 93, negative conditional: 5, negative unconditional: 88, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 279, Positive cache size: 263, Positive conditional cache size: 1, Positive unconditional cache size: 262, Negative cache size: 16, Negative conditional cache size: 6, Negative unconditional cache size: 10, Eliminated conditions: 23, SemanticConditionEliminator.Independence Queries: [ total: 101, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 99, negative conditional: 11, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 101, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 99, negative conditional: 11, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 8, positive conditional: 1, positive unconditional: 7, negative: 16, negative conditional: 6, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 100, positive: 49, positive conditional: 3, positive unconditional: 46, negative: 51, negative conditional: 13, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 101, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 93, negative conditional: 5, negative unconditional: 88, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 279, Positive cache size: 263, Positive conditional cache size: 1, Positive unconditional cache size: 262, Negative cache size: 16, Negative conditional cache size: 6, Negative unconditional cache size: 10, Eliminated conditions: 23, SemanticConditionEliminator.Independence Queries: [ total: 101, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 99, negative conditional: 11, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 101, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 99, negative conditional: 11, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 8, positive conditional: 1, positive unconditional: 7, negative: 16, negative conditional: 6, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 100, positive: 49, positive conditional: 3, positive unconditional: 46, negative: 51, negative conditional: 13, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 101, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 93, negative conditional: 5, negative unconditional: 88, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 279, Positive cache size: 263, Positive conditional cache size: 1, Positive unconditional cache size: 262, Negative cache size: 16, Negative conditional cache size: 6, Negative unconditional cache size: 10, Eliminated conditions: 23 ], Maximal queried relation: 4, Independence queries for same thread: 156 - 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: thr1Thread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 60 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 469.3ms, OverallIterations: 1, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.2ms, PartialOrderReductionTime: 146.9ms, 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: 4.7ms SsaConstructionTime, 27.1ms SatisfiabilityAnalysisTime, 117.0ms 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: 710.7ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.4ms, PartialOrderReductionTime: 260.6ms, 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: 7.2ms SsaConstructionTime, 65.4ms SatisfiabilityAnalysisTime, 302.2ms 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...