/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-VarAbsGlobalSmt.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7707f89-m [2022-11-16 19:26:35,177 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 19:26:35,179 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 19:26:35,220 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 19:26:35,220 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 19:26:35,223 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 19:26:35,226 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 19:26:35,230 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 19:26:35,231 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 19:26:35,235 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 19:26:35,236 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 19:26:35,237 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 19:26:35,238 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 19:26:35,240 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 19:26:35,243 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 19:26:35,244 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 19:26:35,245 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 19:26:35,246 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 19:26:35,247 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 19:26:35,252 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 19:26:35,253 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 19:26:35,254 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 19:26:35,255 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 19:26:35,256 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 19:26:35,263 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 19:26:35,263 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 19:26:35,263 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 19:26:35,265 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 19:26:35,265 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 19:26:35,266 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-11-16 19:26:35,270 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 19:26:35,271 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 19:26:35,272 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 19:26:35,272 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder-VarAbsGlobalSmt.epf [2022-11-16 19:26:35,298 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 19:26:35,298 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 19:26:35,299 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 19:26:35,299 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 19:26:35,300 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 19:26:35,300 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 19:26:35,300 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 19:26:35,300 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 19:26:35,301 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 19:26:35,301 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 19:26:35,301 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 19:26:35,302 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 19:26:35,302 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 19:26:35,302 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 19:26:35,302 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 19:26:35,302 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 19:26:35,302 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 19:26:35,302 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 19:26:35,302 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 19:26:35,302 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 19:26:35,302 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 19:26:35,303 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 19:26:35,303 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 19:26:35,303 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-16 19:26:35,303 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 19:26:35,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 19:26:35,303 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 19:26:35,304 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 19:26:35,305 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 19:26:35,305 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 19:26:35,305 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 19:26:35,305 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 19:26:35,305 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-16 19:26:35,305 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-16 19:26:35,305 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 19:26:35,306 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-16 19:26:35,306 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-16 19:26:35,306 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2022-11-16 19:26:35,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 19:26:35,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 19:26:35,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 19:26:35,573 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 19:26:35,574 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 19:26:35,575 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i [2022-11-16 19:26:35,625 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c2576dc4/96c3c3657e364275b663c2372dfda285/FLAG108665c5a [2022-11-16 19:26:36,071 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 19:26:36,072 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i [2022-11-16 19:26:36,081 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c2576dc4/96c3c3657e364275b663c2372dfda285/FLAG108665c5a [2022-11-16 19:26:36,098 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c2576dc4/96c3c3657e364275b663c2372dfda285 [2022-11-16 19:26:36,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 19:26:36,101 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-16 19:26:36,102 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 19:26:36,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 19:26:36,125 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 19:26:36,125 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:26:36" (1/1) ... [2022-11-16 19:26:36,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13ea7477 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:26:36, skipping insertion in model container [2022-11-16 19:26:36,126 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:26:36" (1/1) ... [2022-11-16 19:26:36,136 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 19:26:36,169 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 19:26:36,308 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i[1097,1110] [2022-11-16 19:26:36,426 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 19:26:36,437 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 19:26:36,451 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i[1097,1110] [2022-11-16 19:26:36,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 19:26:36,532 INFO L208 MainTranslator]: Completed translation [2022-11-16 19:26:36,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:26:36 WrapperNode [2022-11-16 19:26:36,533 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 19:26:36,534 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 19:26:36,534 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 19:26:36,534 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 19:26:36,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:26:36" (1/1) ... [2022-11-16 19:26:36,568 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:26:36" (1/1) ... [2022-11-16 19:26:36,588 INFO L138 Inliner]: procedures = 162, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2022-11-16 19:26:36,589 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 19:26:36,590 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 19:26:36,590 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 19:26:36,591 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 19:26:36,598 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:26:36" (1/1) ... [2022-11-16 19:26:36,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:26:36" (1/1) ... [2022-11-16 19:26:36,604 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:26:36" (1/1) ... [2022-11-16 19:26:36,604 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:26:36" (1/1) ... [2022-11-16 19:26:36,618 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:26:36" (1/1) ... [2022-11-16 19:26:36,620 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:26:36" (1/1) ... [2022-11-16 19:26:36,621 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:26:36" (1/1) ... [2022-11-16 19:26:36,622 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:26:36" (1/1) ... [2022-11-16 19:26:36,624 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 19:26:36,625 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 19:26:36,625 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 19:26:36,625 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 19:26:36,628 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:26:36" (1/1) ... [2022-11-16 19:26:36,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 19:26:36,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 19:26:36,659 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 19:26:36,682 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 19:26:36,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 19:26:36,702 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-16 19:26:36,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 19:26:36,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 19:26:36,704 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-16 19:26:36,704 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-16 19:26:36,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 19:26:36,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 19:26:36,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 19:26:36,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 19:26:36,705 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 19:26:36,848 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 19:26:36,850 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 19:26:36,965 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 19:26:36,971 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 19:26:36,971 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 19:26:36,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:26:36 BoogieIcfgContainer [2022-11-16 19:26:36,973 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 19:26:36,975 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 19:26:36,975 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 19:26:36,978 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 19:26:36,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:26:36" (1/3) ... [2022-11-16 19:26:36,979 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74792db9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:26:36, skipping insertion in model container [2022-11-16 19:26:36,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:26:36" (2/3) ... [2022-11-16 19:26:36,979 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74792db9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:26:36, skipping insertion in model container [2022-11-16 19:26:36,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:26:36" (3/3) ... [2022-11-16 19:26:36,981 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_41-traces-ex-7_unknown_1_pos.i [2022-11-16 19:26:36,988 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 19:26:36,996 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 19:26:36,996 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 19:26:36,996 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 19:26:37,034 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-16 19:26:37,076 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 19:26:37,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-16 19:26:37,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 19:26:37,078 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 19:26:37,079 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 19:26:37,114 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-16 19:26:37,128 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2022-11-16 19:26:37,133 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;@25b70299, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 19:26:37,133 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 19:26:37,330 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:26:37,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:26:37,337 INFO L85 PathProgramCache]: Analyzing trace with hash 699991634, now seen corresponding path program 1 times [2022-11-16 19:26:37,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 19:26:37,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105944834] [2022-11-16 19:26:37,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:26:37,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:26:37,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 19:26:37,475 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 19:26:37,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 19:26:37,541 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 19:26:37,542 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 19:26:37,543 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 19:26:37,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 19:26:37,551 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-16 19:26:37,553 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was UNSAFE (1/2) [2022-11-16 19:26:37,556 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 19:26:37,556 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 19:26:37,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 07:26:37 BasicIcfg [2022-11-16 19:26:37,589 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 19:26:37,590 INFO L158 Benchmark]: Toolchain (without parser) took 1488.48ms. Allocated memory was 197.1MB in the beginning and 259.0MB in the end (delta: 61.9MB). Free memory was 133.4MB in the beginning and 165.9MB in the end (delta: -32.5MB). Peak memory consumption was 29.2MB. Max. memory is 8.0GB. [2022-11-16 19:26:37,590 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 197.1MB. Free memory is still 151.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-11-16 19:26:37,591 INFO L158 Benchmark]: CACSL2BoogieTranslator took 430.73ms. Allocated memory was 197.1MB in the beginning and 259.0MB in the end (delta: 61.9MB). Free memory was 133.2MB in the beginning and 218.3MB in the end (delta: -85.1MB). Peak memory consumption was 10.9MB. Max. memory is 8.0GB. [2022-11-16 19:26:37,591 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.38ms. Allocated memory is still 259.0MB. Free memory was 218.3MB in the beginning and 216.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-16 19:26:37,592 INFO L158 Benchmark]: Boogie Preprocessor took 34.09ms. Allocated memory is still 259.0MB. Free memory was 216.7MB in the beginning and 215.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-11-16 19:26:37,592 INFO L158 Benchmark]: RCFGBuilder took 348.14ms. Allocated memory is still 259.0MB. Free memory was 215.1MB in the beginning and 202.0MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-11-16 19:26:37,593 INFO L158 Benchmark]: TraceAbstraction took 614.17ms. Allocated memory is still 259.0MB. Free memory was 201.5MB in the beginning and 165.9MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 8.0GB. [2022-11-16 19:26:37,606 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 197.1MB. Free memory is still 151.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 430.73ms. Allocated memory was 197.1MB in the beginning and 259.0MB in the end (delta: 61.9MB). Free memory was 133.2MB in the beginning and 218.3MB in the end (delta: -85.1MB). Peak memory consumption was 10.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 55.38ms. Allocated memory is still 259.0MB. Free memory was 218.3MB in the beginning and 216.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 34.09ms. Allocated memory is still 259.0MB. Free memory was 216.7MB in the beginning and 215.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 348.14ms. Allocated memory is still 259.0MB. Free memory was 215.1MB in the beginning and 202.0MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 614.17ms. Allocated memory is still 259.0MB. Free memory was 201.5MB in the beginning and 165.9MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 250, independent: 250, independent conditional: 10, independent unconditional: 240, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 250, independent: 250, independent conditional: 10, independent unconditional: 240, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 250, independent: 250, independent conditional: 10, independent unconditional: 240, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 250, independent: 250, independent conditional: 10, independent unconditional: 240, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 250, independent: 250, independent conditional: 0, independent unconditional: 250, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 250, independent: 250, independent conditional: 0, independent unconditional: 250, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 250, independent: 250, independent conditional: 0, independent unconditional: 250, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 240, independent: 240, independent conditional: 0, independent unconditional: 240, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 240, independent: 240, independent conditional: 0, independent unconditional: 240, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 250, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 240, unknown conditional: 0, unknown unconditional: 240] , Statistics on independence cache: Total cache size (in pairs): 240, Positive cache size: 240, Positive conditional cache size: 0, Positive unconditional cache size: 240, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, 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: 0, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 55, Number of trivial persistent sets: 55, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 240, independent: 240, independent conditional: 0, independent unconditional: 240, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 250, independent: 250, independent conditional: 10, independent unconditional: 240, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 250, independent: 250, independent conditional: 10, independent unconditional: 240, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 250, independent: 250, independent conditional: 10, independent unconditional: 240, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 250, independent: 250, independent conditional: 10, independent unconditional: 240, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 250, independent: 250, independent conditional: 0, independent unconditional: 250, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 250, independent: 250, independent conditional: 0, independent unconditional: 250, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 250, independent: 250, independent conditional: 0, independent unconditional: 250, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 240, independent: 240, independent conditional: 0, independent unconditional: 240, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 240, independent: 240, independent conditional: 0, independent unconditional: 240, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 250, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 240, unknown conditional: 0, unknown unconditional: 240] , Statistics on independence cache: Total cache size (in pairs): 240, Positive cache size: 240, Positive conditional cache size: 0, Positive unconditional cache size: 240, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, 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: 0, Statistics for Abstraction: - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L682] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}] [L683] 0 pthread_mutex_t D = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, D={4:0}] [L681] 0 int g = 0; VAL [A={3:0}, D={4:0}, g=0] [L693] 0 pthread_t id; VAL [A={3:0}, D={4:0}, g=0, id={5:0}] [L694] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [A={3:0}, arg={0:0}, D={4:0}, g=0, id={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L687] 1 g = 17 VAL [A={3:0}, arg={0:0}, arg={0:0}, D={4:0}, g=17] [L690] 1 return ((void *)0); VAL [\result={0:0}, A={3:0}, arg={0:0}, arg={0:0}, D={4:0}, g=17] [L698] CALL 0 __VERIFIER_assert(g == 0) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, \result={0:0}, A={3:0}, arg={0:0}, arg={0:0}, cond=0, D={4:0}, g=17] [L19] 0 reach_error() VAL [\old(cond)=0, \result={0:0}, A={3:0}, arg={0:0}, arg={0:0}, cond=0, D={4:0}, g=17] - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 3 procedures, 78 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 RESULT: Ultimate proved your program to be incorrect! [2022-11-16 19:26:37,635 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-11-16 19:26:37,829 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...