/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-MCRwithDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-ext/23_lu-fig2.fixed.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-20 00:30:47,500 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 00:30:47,501 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 00:30:47,562 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 00:30:47,563 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 00:30:47,563 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 00:30:47,564 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 00:30:47,565 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 00:30:47,566 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 00:30:47,567 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 00:30:47,567 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 00:30:47,568 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 00:30:47,568 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 00:30:47,569 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 00:30:47,569 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 00:30:47,570 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 00:30:47,570 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 00:30:47,571 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 00:30:47,572 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 00:30:47,573 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 00:30:47,574 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 00:30:47,577 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 00:30:47,578 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 00:30:47,578 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 00:30:47,580 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-20 00:30:47,585 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 00:30:47,586 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 00:30:47,586 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 00:30:47,587 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-MCRwithDepranks-Lazy.epf [2022-02-20 00:30:47,609 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 00:30:47,609 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 00:30:47,610 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 00:30:47,610 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 00:30:47,610 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 00:30:47,611 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 00:30:47,611 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 00:30:47,611 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 00:30:47,611 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 00:30:47,611 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 00:30:47,611 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 00:30:47,612 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 00:30:47,612 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 00:30:47,612 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 00:30:47,612 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 00:30:47,612 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 00:30:47,612 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 00:30:47,612 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 00:30:47,612 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 00:30:47,612 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 00:30:47,613 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 00:30:47,613 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 00:30:47,613 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 00:30:47,613 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-20 00:30:47,613 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 00:30:47,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 00:30:47,613 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 00:30:47,613 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-20 00:30:47,614 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 00:30:47,614 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 00:30:47,614 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 00:30:47,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 00:30:47,614 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 00:30:47,614 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-20 00:30:47,614 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 00:30:47,614 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-20 00:30:47,615 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-20 00:30:47,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 00:30:47,789 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 00:30:47,791 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 00:30:47,792 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 00:30:47,796 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 00:30:47,797 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/23_lu-fig2.fixed.i [2022-02-20 00:30:47,845 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/829276d96/b1bab87276a1432bb2557c1788145812/FLAG68c4a8b1c [2022-02-20 00:30:48,206 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 00:30:48,206 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/23_lu-fig2.fixed.i [2022-02-20 00:30:48,214 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/829276d96/b1bab87276a1432bb2557c1788145812/FLAG68c4a8b1c [2022-02-20 00:30:48,618 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/829276d96/b1bab87276a1432bb2557c1788145812 [2022-02-20 00:30:48,620 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 00:30:48,621 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-20 00:30:48,625 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 00:30:48,625 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 00:30:48,627 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 00:30:48,627 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 12:30:48" (1/1) ... [2022-02-20 00:30:48,628 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@328d2954 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 12:30:48, skipping insertion in model container [2022-02-20 00:30:48,628 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 12:30:48" (1/1) ... [2022-02-20 00:30:48,632 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 00:30:48,653 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 00:30:48,851 WARN L230 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] [2022-02-20 00:30:48,855 WARN L230 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] [2022-02-20 00:30:48,860 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 00:30:48,865 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 00:30:48,902 WARN L230 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] [2022-02-20 00:30:48,904 WARN L230 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] [2022-02-20 00:30:48,905 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 00:30:48,937 INFO L208 MainTranslator]: Completed translation [2022-02-20 00:30:48,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 12:30:48 WrapperNode [2022-02-20 00:30:48,937 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 00:30:48,938 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 00:30:48,938 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 00:30:48,939 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 00:30:48,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 12:30:48" (1/1) ... [2022-02-20 00:30:48,965 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 12:30:48" (1/1) ... [2022-02-20 00:30:48,986 INFO L137 Inliner]: procedures = 172, calls = 20, calls flagged for inlining = 11, calls inlined = 13, statements flattened = 88 [2022-02-20 00:30:48,986 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 00:30:48,987 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 00:30:48,987 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 00:30:48,987 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 00:30:48,992 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 12:30:48" (1/1) ... [2022-02-20 00:30:48,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 12:30:48" (1/1) ... [2022-02-20 00:30:48,996 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 12:30:48" (1/1) ... [2022-02-20 00:30:48,997 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 12:30:48" (1/1) ... [2022-02-20 00:30:48,999 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 12:30:48" (1/1) ... [2022-02-20 00:30:49,001 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 12:30:48" (1/1) ... [2022-02-20 00:30:49,002 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 12:30:48" (1/1) ... [2022-02-20 00:30:49,004 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 00:30:49,004 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 00:30:49,004 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 00:30:49,005 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 00:30:49,009 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 12:30:48" (1/1) ... [2022-02-20 00:30:49,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 00:30:49,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 00:30:49,038 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-20 00:30:49,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-20 00:30:49,078 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-02-20 00:30:49,078 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-02-20 00:30:49,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-20 00:30:49,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 00:30:49,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-20 00:30:49,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 00:30:49,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 00:30:49,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 00:30:49,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 00:30:49,079 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-20 00:30:49,157 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 00:30:49,158 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 00:30:49,268 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 00:30:49,360 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 00:30:49,360 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-20 00:30:49,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 12:30:49 BoogieIcfgContainer [2022-02-20 00:30:49,362 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 00:30:49,363 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 00:30:49,363 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 00:30:49,373 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 00:30:49,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 12:30:48" (1/3) ... [2022-02-20 00:30:49,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@360d5f6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 12:30:49, skipping insertion in model container [2022-02-20 00:30:49,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 12:30:48" (2/3) ... [2022-02-20 00:30:49,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@360d5f6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 12:30:49, skipping insertion in model container [2022-02-20 00:30:49,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 12:30:49" (3/3) ... [2022-02-20 00:30:49,375 INFO L111 eAbstractionObserver]: Analyzing ICFG 23_lu-fig2.fixed.i [2022-02-20 00:30:49,379 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-20 00:30:49,379 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 00:30:49,379 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-02-20 00:30:49,379 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-20 00:30:49,412 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 00:30:49,413 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 00:30:49,413 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 00:30:49,413 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 00:30:49,413 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 00:30:49,413 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 00:30:49,413 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 00:30:49,414 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 00:30:49,414 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~PR_CreateThread__RES~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 00:30:49,414 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~PR_CreateThread__RES~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 00:30:49,414 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 00:30:49,414 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 00:30:49,414 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 00:30:49,414 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 00:30:49,415 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~PR_CreateThread__RES~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 00:30:49,415 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_#in~PR_CreateThread__RES#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 00:30:49,415 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_~PR_CreateThread__RES#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 00:30:49,415 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~PR_CreateThread__RES~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 00:30:49,415 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_#in~PR_CreateThread__RES#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 00:30:49,415 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_~PR_CreateThread__RES#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 00:30:49,415 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~PR_CreateThread__RES~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 00:30:49,415 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_#in~PR_CreateThread__RES#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 00:30:49,416 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_~PR_CreateThread__RES#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 00:30:49,416 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~PR_CreateThread__RES~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 00:30:49,416 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_#in~PR_CreateThread__RES#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 00:30:49,416 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_~PR_CreateThread__RES#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 00:30:49,416 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 00:30:49,416 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 00:30:49,417 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 00:30:49,417 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 00:30:49,417 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 00:30:49,417 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 00:30:49,417 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 00:30:49,417 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 00:30:49,420 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 00:30:49,420 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 00:30:49,420 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 00:30:49,420 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 00:30:49,420 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~PR_CreateThread__RES~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 00:30:49,420 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_~PR_CreateThread__RES#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 00:30:49,420 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 00:30:49,420 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 00:30:49,420 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_#in~PR_CreateThread__RES#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 00:30:49,421 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-20 00:30:49,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-20 00:30:49,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 00:30:49,472 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-20 00:30:49,486 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-20 00:30:49,499 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 00:30:49,503 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-02-20 00:30:49,503 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-20 00:30:49,537 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 48 transitions and produced 49 states. [2022-02-20 00:30:49,539 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 1 more)] === [2022-02-20 00:30:49,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 00:30:49,542 INFO L85 PathProgramCache]: Analyzing trace with hash 2076453122, now seen corresponding path program 1 times [2022-02-20 00:30:49,548 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 00:30:49,548 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289407133] [2022-02-20 00:30:49,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 00:30:49,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 00:30:49,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 00:30:49,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 00:30:49,670 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 00:30:49,670 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289407133] [2022-02-20 00:30:49,670 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289407133] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 00:30:49,670 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 00:30:49,670 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 00:30:49,671 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977456883] [2022-02-20 00:30:49,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 00:30:49,675 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-20 00:30:49,675 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 00:30:49,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-20 00:30:49,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 00:30:49,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 00:30:49,691 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 00:30:49,691 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 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) [2022-02-20 00:30:49,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 00:30:49,704 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 48 transitions and produced 49 states. [2022-02-20 00:30:49,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 00:30:49,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 00:30:49,705 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 1 more)] === [2022-02-20 00:30:49,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 00:30:49,706 INFO L85 PathProgramCache]: Analyzing trace with hash 2076482913, now seen corresponding path program 1 times [2022-02-20 00:30:49,706 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 00:30:49,706 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220884887] [2022-02-20 00:30:49,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 00:30:49,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 00:30:49,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 00:30:49,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 00:30:49,762 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 00:30:49,762 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220884887] [2022-02-20 00:30:49,762 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220884887] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 00:30:49,762 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 00:30:49,762 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 00:30:49,763 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888862446] [2022-02-20 00:30:49,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 00:30:49,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 00:30:49,764 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 00:30:49,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 00:30:49,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 00:30:49,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 00:30:49,764 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 00:30:49,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 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) [2022-02-20 00:30:49,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 00:30:49,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 00:30:49,791 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 72 transitions and produced 62 states. [2022-02-20 00:30:49,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 00:30:49,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 00:30:49,791 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 00:30:49,792 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 1 more)] === [2022-02-20 00:30:49,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 00:30:49,792 INFO L85 PathProgramCache]: Analyzing trace with hash 454920182, now seen corresponding path program 1 times [2022-02-20 00:30:49,792 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 00:30:49,792 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136965666] [2022-02-20 00:30:49,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 00:30:49,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 00:30:49,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 00:30:49,854 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 00:30:49,855 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 00:30:49,855 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136965666] [2022-02-20 00:30:49,855 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136965666] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 00:30:49,855 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 00:30:49,855 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 00:30:49,856 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878102486] [2022-02-20 00:30:49,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 00:30:49,856 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 00:30:49,856 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 00:30:49,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 00:30:49,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-02-20 00:30:49,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 00:30:49,857 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 00:30:49,857 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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) [2022-02-20 00:30:49,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 00:30:49,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-20 00:30:49,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 00:30:49,878 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 65 transitions and produced 55 states. [2022-02-20 00:30:49,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 00:30:49,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 00:30:49,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 00:30:49,879 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-20 00:30:49,879 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 1 more)] === [2022-02-20 00:30:49,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 00:30:49,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1822988233, now seen corresponding path program 1 times [2022-02-20 00:30:49,880 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 00:30:49,880 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350690096] [2022-02-20 00:30:49,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 00:30:49,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 00:30:49,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 00:30:49,937 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-20 00:30:49,937 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 00:30:49,937 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350690096] [2022-02-20 00:30:49,937 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350690096] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 00:30:49,937 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 00:30:49,938 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 00:30:49,938 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067255370] [2022-02-20 00:30:49,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 00:30:49,938 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 00:30:49,938 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 00:30:49,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 00:30:49,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 00:30:49,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 00:30:49,939 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 00:30:49,939 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2022-02-20 00:30:49,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 00:30:49,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-20 00:30:49,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-20 00:30:49,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 00:30:49,962 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 73 transitions and produced 62 states. [2022-02-20 00:30:49,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 00:30:49,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 00:30:49,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 00:30:49,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 00:30:49,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-20 00:30:49,963 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 1 more)] === [2022-02-20 00:30:49,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 00:30:49,964 INFO L85 PathProgramCache]: Analyzing trace with hash -855397515, now seen corresponding path program 1 times [2022-02-20 00:30:49,964 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 00:30:49,964 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289624672] [2022-02-20 00:30:49,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 00:30:49,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 00:30:49,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 00:30:50,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-20 00:30:50,010 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 00:30:50,010 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289624672] [2022-02-20 00:30:50,010 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289624672] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 00:30:50,011 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 00:30:50,011 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 00:30:50,011 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029916647] [2022-02-20 00:30:50,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 00:30:50,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 00:30:50,011 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 00:30:50,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 00:30:50,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 00:30:50,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 00:30:50,012 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 00:30:50,012 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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) [2022-02-20 00:30:50,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 00:30:50,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-20 00:30:50,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-20 00:30:50,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-20 00:30:50,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 00:30:50,052 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 324 transitions and produced 170 states. [2022-02-20 00:30:50,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 00:30:50,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 00:30:50,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 00:30:50,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 00:30:50,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 00:30:50,055 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-02-20 00:30:50,055 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2022-02-20 00:30:50,055 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 4 remaining) [2022-02-20 00:30:50,055 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2022-02-20 00:30:50,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-20 00:30:50,060 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-02-20 00:30:50,062 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-20 00:30:50,063 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 00:30:50,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 12:30:50 BasicIcfg [2022-02-20 00:30:50,064 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-20 00:30:50,065 INFO L158 Benchmark]: Toolchain (without parser) took 1443.82ms. Allocated memory is still 180.4MB. Free memory was 128.1MB in the beginning and 60.7MB in the end (delta: 67.4MB). Peak memory consumption was 65.8MB. Max. memory is 8.0GB. [2022-02-20 00:30:50,065 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 180.4MB. Free memory is still 146.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-20 00:30:50,065 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.50ms. Allocated memory is still 180.4MB. Free memory was 128.0MB in the beginning and 147.7MB in the end (delta: -19.8MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-02-20 00:30:50,066 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.04ms. Allocated memory is still 180.4MB. Free memory was 147.7MB in the beginning and 145.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-20 00:30:50,066 INFO L158 Benchmark]: Boogie Preprocessor took 17.10ms. Allocated memory is still 180.4MB. Free memory was 145.6MB in the beginning and 144.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-20 00:30:50,066 INFO L158 Benchmark]: RCFGBuilder took 357.54ms. Allocated memory is still 180.4MB. Free memory was 144.1MB in the beginning and 127.8MB in the end (delta: 16.3MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-02-20 00:30:50,067 INFO L158 Benchmark]: TraceAbstraction took 701.54ms. Allocated memory is still 180.4MB. Free memory was 127.3MB in the beginning and 60.7MB in the end (delta: 66.6MB). Peak memory consumption was 66.1MB. Max. memory is 8.0GB. [2022-02-20 00:30:50,068 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 180.4MB. Free memory is still 146.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 312.50ms. Allocated memory is still 180.4MB. Free memory was 128.0MB in the beginning and 147.7MB in the end (delta: -19.8MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 48.04ms. Allocated memory is still 180.4MB. Free memory was 147.7MB in the beginning and 145.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 17.10ms. Allocated memory is still 180.4MB. Free memory was 145.6MB in the beginning and 144.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 357.54ms. Allocated memory is still 180.4MB. Free memory was 144.1MB in the beginning and 127.8MB in the end (delta: 16.3MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 701.54ms. Allocated memory is still 180.4MB. Free memory was 127.3MB in the beginning and 60.7MB in the end (delta: 66.6MB). Peak memory consumption was 66.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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 with 1 thread instances CFG has 3 procedures, 66 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 180 NumberOfCodeBlocks, 180 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 175 ConstructedInterpolants, 0 QuantifiedInterpolants, 348 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 3/3 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! [2022-02-20 00:30:50,090 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-02-20 00:30:50,305 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...