/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/gemcutter/NewStatesSleepPersistentFixedOrder.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/test-easy7.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7707f89-m [2022-11-16 00:00:12,840 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 00:00:12,842 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 00:00:12,879 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 00:00:12,879 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 00:00:12,882 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 00:00:12,887 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 00:00:12,889 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 00:00:12,891 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 00:00:12,896 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 00:00:12,896 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 00:00:12,898 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 00:00:12,899 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 00:00:12,902 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 00:00:12,903 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 00:00:12,904 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 00:00:12,905 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 00:00:12,906 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 00:00:12,907 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 00:00:12,912 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 00:00:12,913 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 00:00:12,914 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 00:00:12,916 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 00:00:12,917 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 00:00:12,923 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-11-16 00:00:12,926 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 00:00:12,927 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 00:00:12,928 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 00:00:12,929 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 00:00:12,930 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 00:00:12,930 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 00:00:12,931 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 00:00:12,931 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 00:00:12,931 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 00:00:12,932 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 00:00:12,932 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 00:00:12,933 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-11-16 00:00:12,963 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 00:00:12,963 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 00:00:12,963 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 00:00:12,963 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 00:00:12,964 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 00:00:12,964 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 00:00:12,965 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 00:00:12,965 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 00:00:12,965 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 00:00:12,965 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 00:00:12,966 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 00:00:12,966 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 00:00:12,966 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 00:00:12,966 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 00:00:12,966 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 00:00:12,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 00:00:12,966 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 00:00:12,966 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 00:00:12,967 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 00:00:12,967 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 00:00:12,967 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 00:00:12,967 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 00:00:12,967 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 00:00:12,967 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-16 00:00:12,967 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 00:00:12,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 00:00:12,968 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 00:00:12,969 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 00:00:12,969 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 00:00:12,969 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 00:00:12,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 00:00:12,969 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 00:00:12,969 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-16 00:00:12,970 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 00:00:12,970 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-16 00:00:12,970 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-16 00:00:12,970 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-11-16 00:00:13,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 00:00:13,281 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 00:00:13,283 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 00:00:13,284 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 00:00:13,285 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 00:00:13,286 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/test-easy7.wvr.c [2022-11-16 00:00:13,348 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56cdf6a34/7d47e8f236cc43149ea7ec03a428040a/FLAG61a396252 [2022-11-16 00:00:13,819 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 00:00:13,819 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy7.wvr.c [2022-11-16 00:00:13,826 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56cdf6a34/7d47e8f236cc43149ea7ec03a428040a/FLAG61a396252 [2022-11-16 00:00:13,878 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56cdf6a34/7d47e8f236cc43149ea7ec03a428040a [2022-11-16 00:00:13,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 00:00:13,882 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-16 00:00:13,884 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 00:00:13,884 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 00:00:13,887 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 00:00:13,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:00:13" (1/1) ... [2022-11-16 00:00:13,888 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55e220e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:00:13, skipping insertion in model container [2022-11-16 00:00:13,889 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:00:13" (1/1) ... [2022-11-16 00:00:13,893 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 00:00:13,906 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 00:00:14,202 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy7.wvr.c[1872,1885] [2022-11-16 00:00:14,206 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 00:00:14,226 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 00:00:14,262 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy7.wvr.c[1872,1885] [2022-11-16 00:00:14,266 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 00:00:14,277 INFO L208 MainTranslator]: Completed translation [2022-11-16 00:00:14,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:00:14 WrapperNode [2022-11-16 00:00:14,277 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 00:00:14,278 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 00:00:14,279 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 00:00:14,279 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 00:00:14,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:00:14" (1/1) ... [2022-11-16 00:00:14,303 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:00:14" (1/1) ... [2022-11-16 00:00:14,332 INFO L138 Inliner]: procedures = 21, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2022-11-16 00:00:14,332 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 00:00:14,333 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 00:00:14,333 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 00:00:14,333 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 00:00:14,346 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:00:14" (1/1) ... [2022-11-16 00:00:14,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:00:14" (1/1) ... [2022-11-16 00:00:14,356 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:00:14" (1/1) ... [2022-11-16 00:00:14,357 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:00:14" (1/1) ... [2022-11-16 00:00:14,380 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:00:14" (1/1) ... [2022-11-16 00:00:14,382 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:00:14" (1/1) ... [2022-11-16 00:00:14,382 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:00:14" (1/1) ... [2022-11-16 00:00:14,383 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:00:14" (1/1) ... [2022-11-16 00:00:14,384 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 00:00:14,385 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 00:00:14,385 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 00:00:14,385 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 00:00:14,387 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:00:14" (1/1) ... [2022-11-16 00:00:14,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 00:00:14,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 00:00:14,440 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) [2022-11-16 00:00:14,492 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 [2022-11-16 00:00:14,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 00:00:14,526 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-16 00:00:14,526 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-16 00:00:14,526 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-16 00:00:14,526 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-16 00:00:14,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 00:00:14,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 00:00:14,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 00:00:14,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 00:00:14,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 00:00:14,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 00:00:14,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 00:00:14,528 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 00:00:14,648 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 00:00:14,650 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 00:00:14,939 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 00:00:14,949 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 00:00:14,950 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 00:00:14,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:00:14 BoogieIcfgContainer [2022-11-16 00:00:14,951 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 00:00:14,953 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 00:00:14,953 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 00:00:14,973 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 00:00:14,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:00:13" (1/3) ... [2022-11-16 00:00:14,974 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b95c9ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:00:14, skipping insertion in model container [2022-11-16 00:00:14,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:00:14" (2/3) ... [2022-11-16 00:00:14,974 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b95c9ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:00:14, skipping insertion in model container [2022-11-16 00:00:14,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:00:14" (3/3) ... [2022-11-16 00:00:14,976 INFO L112 eAbstractionObserver]: Analyzing ICFG test-easy7.wvr.c [2022-11-16 00:00:14,981 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 00:00:14,999 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 00:00:14,999 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 00:00:14,999 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 00:00:15,103 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-16 00:00:15,199 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 00:00:15,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-16 00:00:15,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 00:00:15,216 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) [2022-11-16 00:00:15,243 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 [2022-11-16 00:00:15,271 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-16 00:00:15,282 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-16 00:00:15,288 INFO L357 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, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4f947430, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 00:00:15,288 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-16 00:00:15,456 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 00:00:15,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 00:00:15,461 INFO L85 PathProgramCache]: Analyzing trace with hash 790957138, now seen corresponding path program 1 times [2022-11-16 00:00:15,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 00:00:15,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113315039] [2022-11-16 00:00:15,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 00:00:15,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 00:00:15,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 00:00:15,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 00:00:15,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 00:00:15,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113315039] [2022-11-16 00:00:15,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113315039] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 00:00:15,675 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 00:00:15,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 00:00:15,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218711873] [2022-11-16 00:00:15,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 00:00:15,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 00:00:15,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 00:00:15,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 00:00:15,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 00:00:15,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:00:15,705 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 00:00:15,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 40.5) internal successors, (81), 2 states have internal predecessors, (81), 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) [2022-11-16 00:00:15,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:00:15,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:00:15,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 00:00:15,759 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 00:00:15,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 00:00:15,759 INFO L85 PathProgramCache]: Analyzing trace with hash -328080788, now seen corresponding path program 1 times [2022-11-16 00:00:15,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 00:00:15,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929320705] [2022-11-16 00:00:15,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 00:00:15,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 00:00:15,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 00:00:17,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 00:00:17,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 00:00:17,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929320705] [2022-11-16 00:00:17,547 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929320705] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 00:00:17,547 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 00:00:17,547 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-11-16 00:00:17,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145730477] [2022-11-16 00:00:17,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 00:00:17,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-16 00:00:17,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 00:00:17,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-16 00:00:17,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-11-16 00:00:17,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:00:17,553 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 00:00:17,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 4.157894736842105) internal successors, (79), 19 states have internal predecessors, (79), 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) [2022-11-16 00:00:17,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:00:17,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:00:18,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:00:18,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-16 00:00:18,443 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-11-16 00:00:18,443 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2022-11-16 00:00:18,444 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2022-11-16 00:00:18,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 00:00:18,448 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-16 00:00:18,450 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 00:00:18,450 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 00:00:18,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:00:18 BasicIcfg [2022-11-16 00:00:18,453 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 00:00:18,453 INFO L158 Benchmark]: Toolchain (without parser) took 4571.08ms. Allocated memory was 179.3MB in the beginning and 275.8MB in the end (delta: 96.5MB). Free memory was 152.6MB in the beginning and 142.7MB in the end (delta: 9.9MB). Peak memory consumption was 106.2MB. Max. memory is 8.0GB. [2022-11-16 00:00:18,454 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 179.3MB. Free memory is still 134.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-11-16 00:00:18,454 INFO L158 Benchmark]: CACSL2BoogieTranslator took 393.24ms. Allocated memory was 179.3MB in the beginning and 275.8MB in the end (delta: 96.5MB). Free memory was 152.2MB in the beginning and 245.0MB in the end (delta: -92.8MB). Peak memory consumption was 8.3MB. Max. memory is 8.0GB. [2022-11-16 00:00:18,454 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.78ms. Allocated memory is still 275.8MB. Free memory was 245.0MB in the beginning and 243.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-16 00:00:18,455 INFO L158 Benchmark]: Boogie Preprocessor took 51.23ms. Allocated memory is still 275.8MB. Free memory was 243.3MB in the beginning and 242.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-11-16 00:00:18,455 INFO L158 Benchmark]: RCFGBuilder took 566.82ms. Allocated memory is still 275.8MB. Free memory was 241.8MB in the beginning and 229.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-11-16 00:00:18,455 INFO L158 Benchmark]: TraceAbstraction took 3499.67ms. Allocated memory is still 275.8MB. Free memory was 228.6MB in the beginning and 142.7MB in the end (delta: 85.9MB). Peak memory consumption was 86.3MB. Max. memory is 8.0GB. [2022-11-16 00:00:18,457 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 179.3MB. Free memory is still 134.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 393.24ms. Allocated memory was 179.3MB in the beginning and 275.8MB in the end (delta: 96.5MB). Free memory was 152.2MB in the beginning and 245.0MB in the end (delta: -92.8MB). Peak memory consumption was 8.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 53.78ms. Allocated memory is still 275.8MB. Free memory was 245.0MB in the beginning and 243.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 51.23ms. Allocated memory is still 275.8MB. Free memory was 243.3MB in the beginning and 242.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 566.82ms. Allocated memory is still 275.8MB. Free memory was 241.8MB in the beginning and 229.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 3499.67ms. Allocated memory is still 275.8MB. Free memory was 228.6MB in the beginning and 142.7MB in the end (delta: 85.9MB). Peak memory consumption was 86.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2591, independent: 2579, independent conditional: 1451, independent unconditional: 1128, dependent: 12, dependent conditional: 6, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2585, independent: 2579, independent conditional: 1451, independent unconditional: 1128, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2585, independent: 2579, independent conditional: 1451, independent unconditional: 1128, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2585, independent: 2579, independent conditional: 0, independent unconditional: 2579, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2585, independent: 2579, independent conditional: 0, independent unconditional: 2579, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2585, independent: 2579, independent conditional: 0, independent unconditional: 2579, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1134, independent: 1128, independent conditional: 0, independent unconditional: 1128, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1134, independent: 1127, independent conditional: 0, independent unconditional: 1127, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 7, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 84, independent: 38, independent conditional: 0, independent unconditional: 38, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2585, independent: 1451, independent conditional: 0, independent unconditional: 1451, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1134, unknown conditional: 0, unknown unconditional: 1134] , Statistics on independence cache: Total cache size (in pairs): 1134, Positive cache size: 1128, Positive conditional cache size: 0, Positive unconditional cache size: 1128, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 6 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 865, Number of trivial persistent sets: 850, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1134, independent: 1128, independent conditional: 0, independent unconditional: 1128, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2591, independent: 2579, independent conditional: 1451, independent unconditional: 1128, dependent: 12, dependent conditional: 6, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2585, independent: 2579, independent conditional: 1451, independent unconditional: 1128, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2585, independent: 2579, independent conditional: 1451, independent unconditional: 1128, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2585, independent: 2579, independent conditional: 0, independent unconditional: 2579, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2585, independent: 2579, independent conditional: 0, independent unconditional: 2579, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2585, independent: 2579, independent conditional: 0, independent unconditional: 2579, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1134, independent: 1128, independent conditional: 0, independent unconditional: 1128, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1134, independent: 1127, independent conditional: 0, independent unconditional: 1127, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 7, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 84, independent: 38, independent conditional: 0, independent unconditional: 38, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2585, independent: 1451, independent conditional: 0, independent unconditional: 1451, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1134, unknown conditional: 0, unknown unconditional: 1134] , Statistics on independence cache: Total cache size (in pairs): 1134, Positive cache size: 1128, Positive conditional cache size: 0, Positive unconditional cache size: 1128, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 6 - PositiveResult [Line: 72]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 125 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 31, 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, 1.7s InterpolantComputationTime, 160 NumberOfCodeBlocks, 160 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 158 ConstructedInterpolants, 0 QuantifiedInterpolants, 928 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-16 00:00:18,482 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-11-16 00:00:18,677 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...