/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/fib_unsafe-10.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-09 10:16:17,802 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 10:16:17,804 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 10:16:17,863 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-09 10:16:17,864 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-09 10:16:17,867 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-09 10:16:17,870 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-09 10:16:17,876 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-09 10:16:17,877 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-09 10:16:17,878 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-09 10:16:17,879 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-09 10:16:17,880 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-09 10:16:17,880 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-09 10:16:17,882 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-09 10:16:17,883 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-09 10:16:17,884 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-09 10:16:17,884 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-09 10:16:17,885 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-09 10:16:17,886 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-09 10:16:17,887 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-09 10:16:17,888 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-09 10:16:17,895 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-09 10:16:17,897 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-09 10:16:17,898 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-09 10:16:17,905 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-09 10:16:17,908 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-09 10:16:17,908 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-09 10:16:17,909 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-09 10:16:17,909 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-09 10:16:17,910 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-09 10:16:17,910 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-09 10:16:17,911 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-09 10:16:17,911 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-09 10:16:17,911 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-09 10:16:17,912 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-09 10:16:17,912 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-09 10:16:17,915 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2022-02-09 10:16:17,945 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 10:16:17,945 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 10:16:17,946 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 10:16:17,946 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 10:16:17,946 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 10:16:17,947 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 10:16:17,947 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 10:16:17,947 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 10:16:17,947 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 10:16:17,947 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 10:16:17,948 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 10:16:17,948 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 10:16:17,948 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 10:16:17,948 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 10:16:17,948 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 10:16:17,948 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 10:16:17,948 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 10:16:17,948 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 10:16:17,948 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 10:16:17,949 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 10:16:17,949 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 10:16:17,949 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 10:16:17,949 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 10:16:17,949 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 10:16:17,949 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 10:16:17,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 10:16:17,949 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 10:16:17,950 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-09 10:16:17,950 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 10:16:17,950 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 10:16:17,950 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 10:16:17,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 10:16:17,950 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 10:16:17,950 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-09 10:16:17,950 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 10:16:17,951 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-09 10:16:17,951 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-02-09 10:16:17,951 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-09 10:16:18,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 10:16:18,184 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 10:16:18,186 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 10:16:18,186 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-09 10:16:18,187 INFO L275 PluginConnector]: CDTParser initialized [2022-02-09 10:16:18,187 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/fib_unsafe-10.i [2022-02-09 10:16:18,246 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47e6aee86/68aa6a488ca147b9bd266f2a835cdce3/FLAGbcfbf8880 [2022-02-09 10:16:18,654 INFO L306 CDTParser]: Found 1 translation units. [2022-02-09 10:16:18,654 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_unsafe-10.i [2022-02-09 10:16:18,673 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47e6aee86/68aa6a488ca147b9bd266f2a835cdce3/FLAGbcfbf8880 [2022-02-09 10:16:18,685 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47e6aee86/68aa6a488ca147b9bd266f2a835cdce3 [2022-02-09 10:16:18,687 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 10:16:18,688 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-09 10:16:18,691 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-09 10:16:18,691 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-09 10:16:18,694 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-09 10:16:18,695 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 10:16:18" (1/1) ... [2022-02-09 10:16:18,695 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54f189b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:16:18, skipping insertion in model container [2022-02-09 10:16:18,696 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 10:16:18" (1/1) ... [2022-02-09 10:16:18,701 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-09 10:16:18,732 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-09 10:16:19,012 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/fib_unsafe-10.i[30813,30826] [2022-02-09 10:16:19,014 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 10:16:19,019 INFO L203 MainTranslator]: Completed pre-run [2022-02-09 10:16:19,056 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/fib_unsafe-10.i[30813,30826] [2022-02-09 10:16:19,057 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 10:16:19,085 INFO L208 MainTranslator]: Completed translation [2022-02-09 10:16:19,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:16:19 WrapperNode [2022-02-09 10:16:19,085 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-09 10:16:19,086 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 10:16:19,086 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 10:16:19,086 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 10:16:19,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:16:19" (1/1) ... [2022-02-09 10:16:19,102 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:16:19" (1/1) ... [2022-02-09 10:16:19,117 INFO L137 Inliner]: procedures = 164, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2022-02-09 10:16:19,117 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 10:16:19,118 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 10:16:19,118 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 10:16:19,118 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 10:16:19,124 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:16:19" (1/1) ... [2022-02-09 10:16:19,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:16:19" (1/1) ... [2022-02-09 10:16:19,127 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:16:19" (1/1) ... [2022-02-09 10:16:19,127 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:16:19" (1/1) ... [2022-02-09 10:16:19,132 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:16:19" (1/1) ... [2022-02-09 10:16:19,134 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:16:19" (1/1) ... [2022-02-09 10:16:19,136 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:16:19" (1/1) ... [2022-02-09 10:16:19,138 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 10:16:19,138 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 10:16:19,139 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 10:16:19,139 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 10:16:19,139 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:16:19" (1/1) ... [2022-02-09 10:16:19,147 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 10:16:19,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 10:16:19,168 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) [2022-02-09 10:16:19,176 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 [2022-02-09 10:16:19,209 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-02-09 10:16:19,209 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-02-09 10:16:19,209 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-02-09 10:16:19,210 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-02-09 10:16:19,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-09 10:16:19,211 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-09 10:16:19,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-09 10:16:19,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-09 10:16:19,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-09 10:16:19,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-09 10:16:19,211 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-09 10:16:19,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 10:16:19,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 10:16:19,213 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-09 10:16:19,315 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 10:16:19,316 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 10:16:19,466 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 10:16:19,472 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 10:16:19,472 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-02-09 10:16:19,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 10:16:19 BoogieIcfgContainer [2022-02-09 10:16:19,474 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 10:16:19,475 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 10:16:19,475 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 10:16:19,477 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 10:16:19,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.02 10:16:18" (1/3) ... [2022-02-09 10:16:19,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21c32f12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 10:16:19, skipping insertion in model container [2022-02-09 10:16:19,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:16:19" (2/3) ... [2022-02-09 10:16:19,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21c32f12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 10:16:19, skipping insertion in model container [2022-02-09 10:16:19,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 10:16:19" (3/3) ... [2022-02-09 10:16:19,479 INFO L111 eAbstractionObserver]: Analyzing ICFG fib_unsafe-10.i [2022-02-09 10:16:19,483 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 10:16:19,483 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 10:16:19,483 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-09 10:16:19,484 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 10:16:19,514 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:19,515 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:19,515 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:19,515 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:19,515 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:19,515 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:19,516 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:19,516 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:19,516 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:19,516 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:19,517 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:19,517 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:19,517 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:19,517 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:19,517 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:19,518 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:19,518 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:19,518 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:19,518 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:19,518 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:19,519 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:19,519 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:19,519 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:19,519 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:19,519 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:19,519 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:19,520 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:19,520 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:19,520 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:19,520 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:19,521 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:19,521 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:19,521 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:19,521 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:19,522 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:19,522 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:19,524 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:19,524 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:19,525 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:19,525 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:19,525 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:19,527 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:19,527 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:19,527 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:19,527 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:19,527 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:19,528 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-09 10:16:19,564 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-09 10:16:19,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 10:16:19,567 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) [2022-02-09 10:16:19,601 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 [2022-02-09 10:16:19,612 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-09 10:16:19,627 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 [2022-02-09 10:16:19,627 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-09 10:16:19,810 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 10:16:19,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 10:16:19,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1927097680, now seen corresponding path program 1 times [2022-02-09 10:16:19,826 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 10:16:19,827 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178838381] [2022-02-09 10:16:19,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 10:16:19,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 10:16:19,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 10:16:20,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 10:16:20,061 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 10:16:20,061 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178838381] [2022-02-09 10:16:20,062 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178838381] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 10:16:20,062 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 10:16:20,062 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-09 10:16:20,064 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855815697] [2022-02-09 10:16:20,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 10:16:20,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-09 10:16:20,069 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 10:16:20,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-09 10:16:20,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-09 10:16:20,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:16:20,089 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 10:16:20,091 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 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) [2022-02-09 10:16:20,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:16:20,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:16:20,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-09 10:16:20,123 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 10:16:20,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 10:16:20,127 INFO L85 PathProgramCache]: Analyzing trace with hash 560415153, now seen corresponding path program 1 times [2022-02-09 10:16:20,127 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 10:16:20,128 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696216079] [2022-02-09 10:16:20,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 10:16:20,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 10:16:20,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 10:16:20,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 10:16:20,219 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 10:16:20,220 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696216079] [2022-02-09 10:16:20,220 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696216079] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 10:16:20,220 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 10:16:20,220 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-09 10:16:20,220 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156406785] [2022-02-09 10:16:20,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 10:16:20,222 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-09 10:16:20,222 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 10:16:20,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-09 10:16:20,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 10:16:20,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:16:20,223 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 10:16:20,223 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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) [2022-02-09 10:16:20,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:16:20,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:16:20,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:16:20,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 10:16:20,251 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-09 10:16:20,252 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 10:16:20,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 10:16:20,252 INFO L85 PathProgramCache]: Analyzing trace with hash -951035470, now seen corresponding path program 1 times [2022-02-09 10:16:20,252 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 10:16:20,253 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994422743] [2022-02-09 10:16:20,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 10:16:20,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 10:16:20,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 10:16:20,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 10:16:20,330 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 10:16:20,330 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994422743] [2022-02-09 10:16:20,330 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994422743] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 10:16:20,330 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1168181113] [2022-02-09 10:16:20,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 10:16:20,331 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 10:16:20,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 10:16:20,332 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 10:16:20,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-09 10:16:20,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 10:16:20,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-09 10:16:20,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 10:16:20,656 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 10:16:20,657 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 10:16:20,780 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 10:16:20,781 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1168181113] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 10:16:20,781 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 10:16:20,781 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-02-09 10:16:20,781 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573280899] [2022-02-09 10:16:20,782 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 10:16:20,784 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 10:16:20,784 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 10:16:20,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 10:16:20,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-09 10:16:20,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:16:20,786 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 10:16:20,787 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 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) [2022-02-09 10:16:20,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:16:20,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 10:16:20,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:16:20,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:16:20,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 10:16:20,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 10:16:20,920 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-09 10:16:21,111 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-02-09 10:16:21,112 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 10:16:21,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 10:16:21,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1666707666, now seen corresponding path program 2 times [2022-02-09 10:16:21,113 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 10:16:21,113 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932005209] [2022-02-09 10:16:21,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 10:16:21,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 10:16:21,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 10:16:21,238 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 10:16:21,238 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 10:16:21,238 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932005209] [2022-02-09 10:16:21,238 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932005209] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 10:16:21,239 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [591601660] [2022-02-09 10:16:21,239 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 10:16:21,239 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 10:16:21,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 10:16:21,240 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 10:16:21,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-09 10:16:21,394 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 10:16:21,394 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 10:16:21,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-09 10:16:21,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 10:16:21,594 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 10:16:21,594 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 10:16:21,789 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 10:16:21,790 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [591601660] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 10:16:21,790 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 10:16:21,790 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-02-09 10:16:21,790 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253757293] [2022-02-09 10:16:21,790 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 10:16:21,795 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-09 10:16:21,795 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 10:16:21,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-09 10:16:21,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-02-09 10:16:21,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:16:21,798 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 10:16:21,798 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.777777777777778) internal successors, (104), 18 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) [2022-02-09 10:16:21,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:16:21,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 10:16:21,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 10:16:21,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:16:21,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:16:21,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 10:16:21,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 10:16:21,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 10:16:22,008 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-09 10:16:22,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 10:16:22,200 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 10:16:22,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 10:16:22,200 INFO L85 PathProgramCache]: Analyzing trace with hash -1283180782, now seen corresponding path program 3 times [2022-02-09 10:16:22,200 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 10:16:22,201 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543966378] [2022-02-09 10:16:22,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 10:16:22,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 10:16:22,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 10:16:22,401 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 10:16:22,402 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 10:16:22,402 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543966378] [2022-02-09 10:16:22,402 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543966378] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 10:16:22,402 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [359236541] [2022-02-09 10:16:22,402 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 10:16:22,403 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 10:16:22,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 10:16:22,405 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 10:16:22,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-09 10:16:22,491 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2022-02-09 10:16:22,492 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 10:16:22,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 16 conjunts are in the unsatisfiable core [2022-02-09 10:16:22,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 10:16:22,743 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 10:16:22,743 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 10:16:23,137 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 10:16:23,138 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [359236541] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 10:16:23,139 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 10:16:23,139 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2022-02-09 10:16:23,139 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779175353] [2022-02-09 10:16:23,139 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 10:16:23,140 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-02-09 10:16:23,140 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 10:16:23,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-02-09 10:16:23,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2022-02-09 10:16:23,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:16:23,141 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 10:16:23,142 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 4.705882352941177) internal successors, (160), 34 states have internal predecessors, (160), 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) [2022-02-09 10:16:23,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:16:23,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 10:16:23,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 10:16:23,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-09 10:16:23,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:16:23,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:16:23,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 10:16:23,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 10:16:23,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 10:16:23,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-02-09 10:16:23,739 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-09 10:16:23,914 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 10:16:23,914 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 10:16:23,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 10:16:23,915 INFO L85 PathProgramCache]: Analyzing trace with hash 835265426, now seen corresponding path program 4 times [2022-02-09 10:16:23,915 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 10:16:23,915 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751324462] [2022-02-09 10:16:23,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 10:16:23,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 10:16:23,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 10:16:24,401 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 0 proven. 750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 10:16:24,402 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 10:16:24,402 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751324462] [2022-02-09 10:16:24,402 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751324462] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 10:16:24,402 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [64081288] [2022-02-09 10:16:24,402 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-09 10:16:24,402 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 10:16:24,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 10:16:24,404 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 10:16:24,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-09 10:16:24,487 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-09 10:16:24,487 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 10:16:24,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 50 conjunts are in the unsatisfiable core [2022-02-09 10:16:24,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 10:16:27,320 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 572 proven. 178 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 10:16:27,320 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 10:16:40,282 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_~cur~0_22 Int)) (or (not (<= c_~next~0 v_~cur~0_22)) (and (forall ((aux_div_v_~next~0_20_56 Int) (aux_mod_v_~next~0_20_56 Int)) (or (< (+ aux_mod_v_~next~0_20_56 c_~j~0 9) (+ (* 2 v_~cur~0_22) (* 2 aux_div_v_~next~0_20_56) c_~cur~0)) (<= (+ (* 5 aux_div_v_~next~0_20_56) v_~cur~0_22) (+ 22 (* 2 c_~j~0) (* aux_mod_v_~next~0_20_56 2))) (>= aux_mod_v_~next~0_20_56 2) (> 0 aux_mod_v_~next~0_20_56))) (forall ((aux_div_v_~next~0_20_56 Int) (aux_mod_v_~next~0_20_56 Int)) (or (< (+ aux_mod_v_~next~0_20_56 9 c_~i~0) (+ (* 2 v_~cur~0_22) (* 2 aux_div_v_~next~0_20_56) c_~cur~0)) (>= aux_mod_v_~next~0_20_56 2) (<= (+ (* 5 aux_div_v_~next~0_20_56) v_~cur~0_22) (+ 22 (* 2 c_~i~0) (* aux_mod_v_~next~0_20_56 2))) (> 0 aux_mod_v_~next~0_20_56)))))) is different from false [2022-02-09 10:27:44,559 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_~j~0_8 Int)) (or (forall ((v_~cur~0_30 Int)) (or (< v_~cur~0_30 (+ c_~prev~0 c_~cur~0)) (and (forall ((v_~cur~0_28 Int) (aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (v_~prev~0_24 Int) (v_~cur~0_26 Int) (aux_mod_v_~next~0_20_56 Int)) (let ((.cse0 (* 2 v_~cur~0_26))) (or (< aux_div_v_~cur~0_22_51 (+ .cse0 v_~cur~0_28 v_~cur~0_30 1 c_~cur~0)) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 aux_mod_v_~cur~0_22_51 (* 2 v_~j~0_8) (* aux_mod_v_~next~0_20_56 2))) (>= aux_mod_v_~cur~0_22_51 2) (< v_~cur~0_26 (+ (* 2 v_~cur~0_28) v_~cur~0_30 c_~cur~0)) (>= aux_mod_v_~next~0_20_56 2) (> 0 aux_mod_v_~cur~0_22_51) (< v_~prev~0_24 (+ v_~cur~0_28 v_~cur~0_26 v_~cur~0_30 c_~cur~0)) (< v_~cur~0_28 (+ (* 2 v_~cur~0_30) c_~cur~0)) (> 0 aux_mod_v_~next~0_20_56) (< (+ aux_mod_v_~next~0_20_56 (* 2 aux_mod_v_~cur~0_22_51) 11 v_~j~0_8) (+ .cse0 (* v_~prev~0_24 3) (* aux_div_v_~cur~0_22_51 4) (* 2 aux_div_v_~next~0_20_56) v_~cur~0_28 v_~cur~0_30 c_~cur~0))))) (forall ((v_~cur~0_28 Int) (aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (v_~prev~0_24 Int) (v_~cur~0_26 Int) (aux_mod_v_~next~0_20_56 Int)) (let ((.cse1 (* 2 v_~cur~0_26))) (or (< aux_div_v_~cur~0_22_51 (+ .cse1 v_~cur~0_28 v_~cur~0_30 1 c_~cur~0)) (>= aux_mod_v_~cur~0_22_51 2) (< v_~cur~0_26 (+ (* 2 v_~cur~0_28) v_~cur~0_30 c_~cur~0)) (< (+ aux_mod_v_~next~0_20_56 c_~i~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ .cse1 (* v_~prev~0_24 3) (* aux_div_v_~cur~0_22_51 4) (* 2 aux_div_v_~next~0_20_56) v_~cur~0_28 v_~cur~0_30 c_~cur~0)) (>= aux_mod_v_~next~0_20_56 2) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 aux_mod_v_~cur~0_22_51 (* 2 c_~i~0) (* aux_mod_v_~next~0_20_56 2))) (> 0 aux_mod_v_~cur~0_22_51) (< v_~prev~0_24 (+ v_~cur~0_28 v_~cur~0_26 v_~cur~0_30 c_~cur~0)) (< v_~cur~0_28 (+ (* 2 v_~cur~0_30) c_~cur~0)) (> 0 aux_mod_v_~next~0_20_56))))))) (not (<= v_~j~0_8 1)))) is different from false Received shutdown request... [2022-02-09 10:30:40,520 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-02-09 10:30:40,522 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-02-09 10:30:40,538 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-09 10:30:40,549 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-09 10:30:40,549 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-09 10:30:40,550 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-09 10:30:40,722 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 10:30:40,723 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 159 with TraceHistMax 15,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 7 for 2ms.. [2022-02-09 10:30:40,724 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-02-09 10:30:40,724 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-02-09 10:30:40,729 INFO L732 BasicCegarLoop]: Path program histogram: [4, 1, 1] [2022-02-09 10:30:40,731 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-09 10:30:40,731 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-09 10:30:40,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 10:30:40 BasicIcfg [2022-02-09 10:30:40,733 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-09 10:30:40,733 INFO L158 Benchmark]: Toolchain (without parser) took 862045.02ms. Allocated memory was 205.5MB in the beginning and 304.1MB in the end (delta: 98.6MB). Free memory was 153.9MB in the beginning and 174.5MB in the end (delta: -20.6MB). Peak memory consumption was 162.7MB. Max. memory is 8.0GB. [2022-02-09 10:30:40,733 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 205.5MB. Free memory is still 172.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 10:30:40,734 INFO L158 Benchmark]: CACSL2BoogieTranslator took 394.14ms. Allocated memory is still 205.5MB. Free memory was 153.8MB in the beginning and 173.9MB in the end (delta: -20.1MB). Peak memory consumption was 11.3MB. Max. memory is 8.0GB. [2022-02-09 10:30:40,734 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.51ms. Allocated memory is still 205.5MB. Free memory was 173.9MB in the beginning and 171.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-09 10:30:40,734 INFO L158 Benchmark]: Boogie Preprocessor took 19.89ms. Allocated memory is still 205.5MB. Free memory was 171.8MB in the beginning and 170.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-09 10:30:40,735 INFO L158 Benchmark]: RCFGBuilder took 335.29ms. Allocated memory is still 205.5MB. Free memory was 170.2MB in the beginning and 157.1MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-02-09 10:30:40,735 INFO L158 Benchmark]: TraceAbstraction took 861258.23ms. Allocated memory was 205.5MB in the beginning and 304.1MB in the end (delta: 98.6MB). Free memory was 156.6MB in the beginning and 174.5MB in the end (delta: -17.9MB). Peak memory consumption was 166.1MB. Max. memory is 8.0GB. [2022-02-09 10:30:40,737 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 205.5MB. Free memory is still 172.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 394.14ms. Allocated memory is still 205.5MB. Free memory was 153.8MB in the beginning and 173.9MB in the end (delta: -20.1MB). Peak memory consumption was 11.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 31.51ms. Allocated memory is still 205.5MB. Free memory was 173.9MB in the beginning and 171.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 19.89ms. Allocated memory is still 205.5MB. Free memory was 171.8MB in the beginning and 170.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 335.29ms. Allocated memory is still 205.5MB. Free memory was 170.2MB in the beginning and 157.1MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 861258.23ms. Allocated memory was 205.5MB in the beginning and 304.1MB in the end (delta: 98.6MB). Free memory was 156.6MB in the beginning and 174.5MB in the end (delta: -17.9MB). Peak memory consumption was 166.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1871, positive: 1771, positive conditional: 982, positive unconditional: 789, negative: 100, negative conditional: 97, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1774, positive: 1771, positive conditional: 982, positive unconditional: 789, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1774, positive: 1771, positive conditional: 982, positive unconditional: 789, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1774, positive: 1771, positive conditional: 734, positive unconditional: 1037, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1774, positive: 1771, positive conditional: 200, positive unconditional: 1571, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1774, positive: 1771, positive conditional: 200, positive unconditional: 1571, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 780, positive: 777, positive conditional: 0, positive unconditional: 777, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 780, positive: 776, positive conditional: 0, positive unconditional: 776, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 61, positive: 41, positive conditional: 0, positive unconditional: 41, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1774, positive: 994, positive conditional: 200, positive unconditional: 794, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 780, unknown conditional: 0, unknown unconditional: 780] , Statistics on independence cache: Total cache size (in pairs): 780, Positive cache size: 777, Positive conditional cache size: 0, Positive unconditional cache size: 777, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Eliminated conditions: 534, Maximal queried relation: 0, Independence queries for same thread: 97 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 59, Number of trivial persistent sets: 33, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 792, positive: 789, positive conditional: 0, positive unconditional: 789, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1871, positive: 1771, positive conditional: 982, positive unconditional: 789, negative: 100, negative conditional: 97, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1774, positive: 1771, positive conditional: 982, positive unconditional: 789, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1774, positive: 1771, positive conditional: 982, positive unconditional: 789, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1774, positive: 1771, positive conditional: 734, positive unconditional: 1037, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1774, positive: 1771, positive conditional: 200, positive unconditional: 1571, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1774, positive: 1771, positive conditional: 200, positive unconditional: 1571, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 780, positive: 777, positive conditional: 0, positive unconditional: 777, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 780, positive: 776, positive conditional: 0, positive unconditional: 776, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 61, positive: 41, positive conditional: 0, positive unconditional: 41, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1774, positive: 994, positive conditional: 200, positive unconditional: 794, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 780, unknown conditional: 0, unknown unconditional: 780] , Statistics on independence cache: Total cache size (in pairs): 780, Positive cache size: 777, Positive conditional cache size: 0, Positive unconditional cache size: 777, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Eliminated conditions: 534, Maximal queried relation: 0, Independence queries for same thread: 97 - 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 - TimeoutResultAtElement [Line: 726]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 159 with TraceHistMax 15,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 7 for 2ms.. - TimeoutResultAtElement [Line: 722]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 159 with TraceHistMax 15,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 7 for 2ms.. - TimeoutResultAtElement [Line: 721]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 159 with TraceHistMax 15,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 7 for 2ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 112 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 861.2s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 1.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 80, 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, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 578 NumberOfCodeBlocks, 578 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 803 ConstructedInterpolants, 0 QuantifiedInterpolants, 1285 SizeOfPredicates, 22 NumberOfNonLiveVariables, 552 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 0/537 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