/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-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/gcd-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-17 11:11:07,692 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-17 11:11:07,694 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-17 11:11:07,724 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-17 11:11:07,724 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-17 11:11:07,727 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-17 11:11:07,729 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-17 11:11:07,734 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-17 11:11:07,736 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-17 11:11:07,739 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-17 11:11:07,740 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-17 11:11:07,741 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-17 11:11:07,741 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-17 11:11:07,743 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-17 11:11:07,744 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-17 11:11:07,744 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-17 11:11:07,756 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-17 11:11:07,757 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-17 11:11:07,758 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-17 11:11:07,763 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-17 11:11:07,765 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-17 11:11:07,767 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-17 11:11:07,768 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-17 11:11:07,769 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-17 11:11:07,778 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-17 11:11:07,779 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-17 11:11:07,779 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-17 11:11:07,780 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-17 11:11:07,780 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-17 11:11:07,781 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-17 11:11:07,781 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-17 11:11:07,782 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-17 11:11:07,783 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-17 11:11:07,783 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-17 11:11:07,784 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-17 11:11:07,784 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-17 11:11:07,785 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-17 11:11:07,785 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-17 11:11:07,785 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-17 11:11:07,786 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-17 11:11:07,786 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-17 11:11:07,790 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-Random42.epf [2021-06-17 11:11:07,820 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-17 11:11:07,820 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-17 11:11:07,821 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-17 11:11:07,821 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-17 11:11:07,823 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-17 11:11:07,823 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-17 11:11:07,823 INFO L138 SettingsManager]: * Use SBE=true [2021-06-17 11:11:07,824 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-17 11:11:07,824 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-17 11:11:07,824 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-17 11:11:07,825 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-17 11:11:07,825 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-17 11:11:07,825 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-17 11:11:07,825 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-17 11:11:07,825 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-17 11:11:07,825 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-17 11:11:07,825 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-17 11:11:07,826 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-17 11:11:07,826 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-17 11:11:07,826 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-17 11:11:07,826 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-17 11:11:07,826 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-17 11:11:07,826 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-17 11:11:07,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 11:11:07,827 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-17 11:11:07,827 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-17 11:11:07,827 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-17 11:11:07,827 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-17 11:11:07,827 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-17 11:11:07,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-17 11:11:07,837 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-17 11:11:07,838 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-17 11:11:07,838 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-17 11:11:07,838 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-17 11:11:07,838 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-17 11:11:07,838 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-17 11:11:08,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-17 11:11:08,131 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-17 11:11:08,133 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-17 11:11:08,134 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-17 11:11:08,135 INFO L275 PluginConnector]: CDTParser initialized [2021-06-17 11:11:08,135 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/gcd-2.i [2021-06-17 11:11:08,188 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fb0e0e9f/b35935d107de47f0984efabe5b1bd8c1/FLAGd1bd3ae78 [2021-06-17 11:11:08,656 INFO L306 CDTParser]: Found 1 translation units. [2021-06-17 11:11:08,657 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/gcd-2.i [2021-06-17 11:11:08,672 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fb0e0e9f/b35935d107de47f0984efabe5b1bd8c1/FLAGd1bd3ae78 [2021-06-17 11:11:09,164 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fb0e0e9f/b35935d107de47f0984efabe5b1bd8c1 [2021-06-17 11:11:09,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-17 11:11:09,167 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-17 11:11:09,169 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-17 11:11:09,169 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-17 11:11:09,171 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-17 11:11:09,172 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.06 11:11:09" (1/1) ... [2021-06-17 11:11:09,173 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c4e8c2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 11:11:09, skipping insertion in model container [2021-06-17 11:11:09,173 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.06 11:11:09" (1/1) ... [2021-06-17 11:11:09,178 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-17 11:11:09,207 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-17 11:11:09,344 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-atomic/gcd-2.i[938,951] [2021-06-17 11:11:09,446 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-17 11:11:09,455 INFO L203 MainTranslator]: Completed pre-run [2021-06-17 11:11:09,466 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-atomic/gcd-2.i[938,951] [2021-06-17 11:11:09,496 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-17 11:11:09,540 INFO L208 MainTranslator]: Completed translation [2021-06-17 11:11:09,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 11:11:09 WrapperNode [2021-06-17 11:11:09,541 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-17 11:11:09,542 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-17 11:11:09,542 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-17 11:11:09,542 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-17 11:11:09,547 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 11:11:09" (1/1) ... [2021-06-17 11:11:09,556 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 11:11:09" (1/1) ... [2021-06-17 11:11:09,580 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-17 11:11:09,581 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-17 11:11:09,581 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-17 11:11:09,581 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-17 11:11:09,587 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 11:11:09" (1/1) ... [2021-06-17 11:11:09,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 11:11:09" (1/1) ... [2021-06-17 11:11:09,591 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 11:11:09" (1/1) ... [2021-06-17 11:11:09,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 11:11:09" (1/1) ... [2021-06-17 11:11:09,595 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 11:11:09" (1/1) ... [2021-06-17 11:11:09,599 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 11:11:09" (1/1) ... [2021-06-17 11:11:09,600 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 11:11:09" (1/1) ... [2021-06-17 11:11:09,602 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-17 11:11:09,603 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-17 11:11:09,603 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-17 11:11:09,603 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-17 11:11:09,604 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 11:11:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 11:11:09,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-17 11:11:09,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-17 11:11:09,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-17 11:11:09,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-17 11:11:09,663 INFO L130 BoogieDeclarations]: Found specification of procedure dec_a [2021-06-17 11:11:09,663 INFO L138 BoogieDeclarations]: Found implementation of procedure dec_a [2021-06-17 11:11:09,663 INFO L130 BoogieDeclarations]: Found specification of procedure dec_b [2021-06-17 11:11:09,664 INFO L138 BoogieDeclarations]: Found implementation of procedure dec_b [2021-06-17 11:11:09,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-17 11:11:09,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-17 11:11:09,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-17 11:11:09,665 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-17 11:11:10,193 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-17 11:11:10,194 INFO L299 CfgBuilder]: Removed 26 assume(true) statements. [2021-06-17 11:11:10,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 11:11:10 BoogieIcfgContainer [2021-06-17 11:11:10,195 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-17 11:11:10,196 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-17 11:11:10,197 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-17 11:11:10,199 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-17 11:11:10,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.06 11:11:09" (1/3) ... [2021-06-17 11:11:10,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d44caa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 11:11:10, skipping insertion in model container [2021-06-17 11:11:10,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 11:11:09" (2/3) ... [2021-06-17 11:11:10,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d44caa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 11:11:10, skipping insertion in model container [2021-06-17 11:11:10,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 11:11:10" (3/3) ... [2021-06-17 11:11:10,201 INFO L111 eAbstractionObserver]: Analyzing ICFG gcd-2.i [2021-06-17 11:11:10,205 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-17 11:11:10,205 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-17 11:11:10,205 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-06-17 11:11:10,206 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-17 11:11:10,225 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 11:11:10,225 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 11:11:10,225 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 11:11:10,225 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 11:11:10,225 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 11:11:10,225 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 11:11:10,225 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 11:11:10,226 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 11:11:10,226 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 11:11:10,226 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 11:11:10,226 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 11:11:10,226 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 11:11:10,227 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 11:11:10,227 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 11:11:10,227 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 11:11:10,227 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 11:11:10,227 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 11:11:10,227 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 11:11:10,227 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 11:11:10,227 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 11:11:10,227 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 11:11:10,228 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 11:11:10,228 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 11:11:10,228 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 11:11:10,229 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 11:11:10,230 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 11:11:10,230 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 11:11:10,230 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 11:11:10,232 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 11:11:10,232 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 11:11:10,232 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 11:11:10,232 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 11:11:10,237 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-17 11:11:10,252 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-17 11:11:10,310 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-17 11:11:10,311 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-17 11:11:10,311 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-17 11:11:10,311 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-17 11:11:10,311 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-17 11:11:10,311 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-17 11:11:10,311 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-17 11:11:10,311 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-17 11:11:10,489 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-17 11:11:10,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 11:11:10,494 INFO L82 PathProgramCache]: Analyzing trace with hash 411232962, now seen corresponding path program 1 times [2021-06-17 11:11:10,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 11:11:10,502 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440845743] [2021-06-17 11:11:10,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 11:11:10,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 11:11:10,674 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-17 11:11:10,675 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 11:11:10,675 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440845743] [2021-06-17 11:11:10,676 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440845743] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 11:11:10,676 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 11:11:10,676 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-17 11:11:10,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991622410] [2021-06-17 11:11:10,679 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-17 11:11:10,680 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 11:11:10,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-17 11:11:10,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-17 11:11:10,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 11:11:10,690 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 11:11:10,692 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 52.0) internal successors, (104), 2 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 11:11:10,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 11:11:10,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 11:11:10,741 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-17 11:11:10,741 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-17 11:11:10,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 11:11:10,742 INFO L82 PathProgramCache]: Analyzing trace with hash -987771332, now seen corresponding path program 1 times [2021-06-17 11:11:10,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 11:11:10,742 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922041453] [2021-06-17 11:11:10,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 11:11:10,799 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-06-17 11:11:10,799 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [376381962] [2021-06-17 11:11:10,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 11:24:00,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 11:24:00,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 72 conjunts are in the unsatisfiable core [2021-06-17 11:24:00,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 11:24:01,615 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2021-06-17 11:24:11,890 WARN L205 SmtUtils]: Spent 9.16 s on a formula simplification. DAG size of input: 79 DAG size of output: 52 [2021-06-17 11:24:19,381 WARN L205 SmtUtils]: Spent 6.00 s on a formula simplification that was a NOOP. DAG size: 55 Received shutdown request... [2021-06-17 11:25:53,908 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 11:25:53,909 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-17 11:25:53,914 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-17 11:25:53,915 WARN L196 ceAbstractionStarter]: Timeout [2021-06-17 11:25:53,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.06 11:25:53 BasicIcfg [2021-06-17 11:25:53,915 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-17 11:25:53,916 INFO L168 Benchmark]: Toolchain (without parser) took 884749.32 ms. Allocated memory was 179.3 MB in the beginning and 547.4 MB in the end (delta: 368.1 MB). Free memory was 142.3 MB in the beginning and 432.7 MB in the end (delta: -290.4 MB). Peak memory consumption was 325.9 MB. Max. memory is 8.0 GB. [2021-06-17 11:25:53,916 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 179.3 MB. Free memory was 160.5 MB in the beginning and 160.4 MB in the end (delta: 105.2 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-06-17 11:25:53,916 INFO L168 Benchmark]: CACSL2BoogieTranslator took 372.67 ms. Allocated memory is still 179.3 MB. Free memory was 142.1 MB in the beginning and 140.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-06-17 11:25:53,916 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.24 ms. Allocated memory is still 179.3 MB. Free memory was 140.4 MB in the beginning and 137.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-06-17 11:25:53,916 INFO L168 Benchmark]: Boogie Preprocessor took 21.76 ms. Allocated memory is still 179.3 MB. Free memory was 137.9 MB in the beginning and 136.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-17 11:25:53,916 INFO L168 Benchmark]: RCFGBuilder took 592.34 ms. Allocated memory is still 179.3 MB. Free memory was 136.4 MB in the beginning and 159.7 MB in the end (delta: -23.3 MB). Peak memory consumption was 36.2 MB. Max. memory is 8.0 GB. [2021-06-17 11:25:53,917 INFO L168 Benchmark]: TraceAbstraction took 883719.00 ms. Allocated memory was 179.3 MB in the beginning and 547.4 MB in the end (delta: 368.1 MB). Free memory was 159.2 MB in the beginning and 432.7 MB in the end (delta: -273.5 MB). Peak memory consumption was 341.5 MB. Max. memory is 8.0 GB. [2021-06-17 11:25:53,917 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 179.3 MB. Free memory was 160.5 MB in the beginning and 160.4 MB in the end (delta: 105.2 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 372.67 ms. Allocated memory is still 179.3 MB. Free memory was 142.1 MB in the beginning and 140.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 38.24 ms. Allocated memory is still 179.3 MB. Free memory was 140.4 MB in the beginning and 137.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 21.76 ms. Allocated memory is still 179.3 MB. Free memory was 137.9 MB in the beginning and 136.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 592.34 ms. Allocated memory is still 179.3 MB. Free memory was 136.4 MB in the beginning and 159.7 MB in the end (delta: -23.3 MB). Peak memory consumption was 36.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 883719.00 ms. Allocated memory was 179.3 MB in the beginning and 547.4 MB in the end (delta: 368.1 MB). Free memory was 159.2 MB in the beginning and 432.7 MB in the end (delta: -273.5 MB). Peak memory consumption was 341.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2225, positive: 2117, positive conditional: 138, positive unconditional: 1979, negative: 108, negative conditional: 93, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2141, positive: 2117, positive conditional: 138, positive unconditional: 1979, negative: 24, negative conditional: 9, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2141, positive: 2117, positive conditional: 0, positive unconditional: 2117, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1103, positive: 1095, positive conditional: 0, positive unconditional: 1095, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1103, positive: 1092, positive conditional: 0, positive unconditional: 1092, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 11, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 85, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2141, positive: 1022, positive conditional: 0, positive unconditional: 1022, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 1103, unknown conditional: 0, unknown unconditional: 1103] , Statistics on independence cache: Total cache size (in pairs): 1103, Positive cache size: 1095, Positive conditional cache size: 0, Positive unconditional cache size: 1095, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, SemanticConditionEliminator.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 11, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 85, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1103, Positive cache size: 1095, Positive conditional cache size: 0, Positive unconditional cache size: 1095, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Eliminated conditions: 5 ], Maximal queried relation: 1, Independence queries for same thread: 84 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 157, Number of persistent set computation: 549, Number of trivial persistent sets: 549, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2225, positive: 2117, positive conditional: 138, positive unconditional: 1979, negative: 108, negative conditional: 93, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2141, positive: 2117, positive conditional: 138, positive unconditional: 1979, negative: 24, negative conditional: 9, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2141, positive: 2117, positive conditional: 0, positive unconditional: 2117, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1103, positive: 1095, positive conditional: 0, positive unconditional: 1095, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1103, positive: 1092, positive conditional: 0, positive unconditional: 1092, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 11, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 85, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2141, positive: 1022, positive conditional: 0, positive unconditional: 1022, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 1103, unknown conditional: 0, unknown unconditional: 1103] , Statistics on independence cache: Total cache size (in pairs): 1103, Positive cache size: 1095, Positive conditional cache size: 0, Positive unconditional cache size: 1095, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, SemanticConditionEliminator.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 11, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 85, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1103, Positive cache size: 1095, Positive conditional cache size: 0, Positive unconditional cache size: 1095, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Eliminated conditions: 5 ], Maximal queried relation: 1, Independence queries for same thread: 84 - TimeoutResultAtElement [Line: 20]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 105 with TraceHistMax 2,while TraceCheckSpWp was constructing forward predicates,while QuantifierPusher was running 454 iterations of DualJunctionQuantifierElimination. - TimeoutResultAtElement [Line: 20]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 105 with TraceHistMax 2,while TraceCheckSpWp was constructing forward predicates,while QuantifierPusher was running 454 iterations of DualJunctionQuantifierElimination. - TimeoutResultAtElement [Line: 20]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 105 with TraceHistMax 2,while TraceCheckSpWp was constructing forward predicates,while QuantifierPusher was running 454 iterations of DualJunctionQuantifierElimination. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 132 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 883649.7ms, OverallIterations: 2, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.6ms, PartialOrderReductionTime: 211.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 2, 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: 8.5ms SsaConstructionTime, 24.0ms SatisfiabilityAnalysisTime, 87.9ms InterpolantComputationTime, 106 NumberOfCodeBlocks, 106 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 105 ConstructedInterpolants, 0 QuantifiedInterpolants, 105 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 5/5 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown