/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_58-singlethreaded-lock_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bf34d27 [2022-01-18 23:30:16,503 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-18 23:30:16,504 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-18 23:30:16,553 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-18 23:30:16,554 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-18 23:30:16,555 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-18 23:30:16,555 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-18 23:30:16,556 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-18 23:30:16,557 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-18 23:30:16,558 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-18 23:30:16,558 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-18 23:30:16,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-18 23:30:16,559 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-18 23:30:16,559 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-18 23:30:16,560 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-18 23:30:16,561 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-18 23:30:16,561 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-18 23:30:16,562 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-18 23:30:16,563 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-18 23:30:16,564 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-18 23:30:16,564 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-18 23:30:16,565 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-18 23:30:16,566 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-18 23:30:16,566 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-18 23:30:16,568 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-18 23:30:16,568 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-18 23:30:16,568 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-18 23:30:16,569 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-18 23:30:16,569 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-18 23:30:16,570 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-18 23:30:16,570 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-18 23:30:16,570 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-18 23:30:16,571 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-18 23:30:16,571 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-18 23:30:16,572 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-18 23:30:16,572 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-18 23:30:16,572 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-18 23:30:16,572 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-18 23:30:16,572 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-18 23:30:16,573 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-18 23:30:16,573 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-18 23:30:16,574 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2022-01-18 23:30:16,594 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-18 23:30:16,594 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-18 23:30:16,595 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-18 23:30:16,595 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-18 23:30:16,595 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-18 23:30:16,595 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-18 23:30:16,595 INFO L138 SettingsManager]: * Use SBE=true [2022-01-18 23:30:16,595 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-18 23:30:16,595 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-18 23:30:16,595 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-18 23:30:16,595 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-18 23:30:16,596 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-18 23:30:16,596 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-18 23:30:16,596 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-18 23:30:16,596 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-18 23:30:16,596 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-18 23:30:16,596 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-18 23:30:16,596 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-18 23:30:16,596 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-18 23:30:16,596 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-18 23:30:16,596 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-18 23:30:16,596 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-18 23:30:16,596 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-18 23:30:16,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 23:30:16,597 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-18 23:30:16,597 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-18 23:30:16,597 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-18 23:30:16,597 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-18 23:30:16,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-18 23:30:16,597 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-18 23:30:16,597 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-18 23:30:16,597 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-18 23:30:16,733 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-18 23:30:16,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-18 23:30:16,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-18 23:30:16,748 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-18 23:30:16,749 INFO L275 PluginConnector]: CDTParser initialized [2022-01-18 23:30:16,750 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_58-singlethreaded-lock_true.i [2022-01-18 23:30:16,797 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7dd8c842/42540c7769124e049b134f6c069ccd63/FLAG0bbb56f61 [2022-01-18 23:30:17,222 INFO L306 CDTParser]: Found 1 translation units. [2022-01-18 23:30:17,223 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_58-singlethreaded-lock_true.i [2022-01-18 23:30:17,236 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7dd8c842/42540c7769124e049b134f6c069ccd63/FLAG0bbb56f61 [2022-01-18 23:30:17,568 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7dd8c842/42540c7769124e049b134f6c069ccd63 [2022-01-18 23:30:17,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-18 23:30:17,570 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-18 23:30:17,574 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-18 23:30:17,574 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-18 23:30:17,576 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-18 23:30:17,576 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 11:30:17" (1/1) ... [2022-01-18 23:30:17,577 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e56aea1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:30:17, skipping insertion in model container [2022-01-18 23:30:17,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 11:30:17" (1/1) ... [2022-01-18 23:30:17,582 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-18 23:30:17,609 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-18 23:30:17,758 WARN L230 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_58-singlethreaded-lock_true.i[1096,1109] [2022-01-18 23:30:17,887 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 23:30:17,896 INFO L203 MainTranslator]: Completed pre-run [2022-01-18 23:30:17,904 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_58-singlethreaded-lock_true.i[1096,1109] [2022-01-18 23:30:17,925 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 23:30:17,952 INFO L208 MainTranslator]: Completed translation [2022-01-18 23:30:17,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:30:17 WrapperNode [2022-01-18 23:30:17,953 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-18 23:30:17,953 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-18 23:30:17,953 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-18 23:30:17,953 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-18 23:30:17,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:30:17" (1/1) ... [2022-01-18 23:30:17,980 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:30:17" (1/1) ... [2022-01-18 23:30:17,995 INFO L137 Inliner]: procedures = 162, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 44 [2022-01-18 23:30:17,996 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-18 23:30:17,996 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-18 23:30:17,996 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-18 23:30:17,997 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-18 23:30:18,001 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:30:17" (1/1) ... [2022-01-18 23:30:18,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:30:17" (1/1) ... [2022-01-18 23:30:18,007 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:30:17" (1/1) ... [2022-01-18 23:30:18,007 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:30:17" (1/1) ... [2022-01-18 23:30:18,020 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:30:17" (1/1) ... [2022-01-18 23:30:18,021 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:30:17" (1/1) ... [2022-01-18 23:30:18,022 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:30:17" (1/1) ... [2022-01-18 23:30:18,023 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-18 23:30:18,024 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-18 23:30:18,024 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-18 23:30:18,024 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-18 23:30:18,026 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:30:17" (1/1) ... [2022-01-18 23:30:18,030 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 23:30:18,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 23:30:18,047 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) [2022-01-18 23:30:18,085 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 [2022-01-18 23:30:18,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-18 23:30:18,097 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-01-18 23:30:18,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-18 23:30:18,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-18 23:30:18,098 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-01-18 23:30:18,098 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-01-18 23:30:18,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-18 23:30:18,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-18 23:30:18,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-18 23:30:18,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-18 23:30:18,099 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-18 23:30:18,184 INFO L234 CfgBuilder]: Building ICFG [2022-01-18 23:30:18,185 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-18 23:30:18,280 INFO L275 CfgBuilder]: Performing block encoding [2022-01-18 23:30:18,285 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-18 23:30:18,285 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-18 23:30:18,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 11:30:18 BoogieIcfgContainer [2022-01-18 23:30:18,286 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-18 23:30:18,287 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-18 23:30:18,287 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-18 23:30:18,289 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-18 23:30:18,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.01 11:30:17" (1/3) ... [2022-01-18 23:30:18,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20665910 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 11:30:18, skipping insertion in model container [2022-01-18 23:30:18,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:30:17" (2/3) ... [2022-01-18 23:30:18,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20665910 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 11:30:18, skipping insertion in model container [2022-01-18 23:30:18,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 11:30:18" (3/3) ... [2022-01-18 23:30:18,291 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_58-singlethreaded-lock_true.i [2022-01-18 23:30:18,295 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-18 23:30:18,295 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-18 23:30:18,295 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-18 23:30:18,311 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:18,311 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:18,311 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:18,311 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:18,312 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:18,312 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:18,312 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:18,312 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:18,312 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:18,312 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:18,312 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:18,313 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:18,315 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:18,315 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:18,315 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:18,315 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:30:18,317 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-01-18 23:30:18,346 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 23:30:18,351 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-18 23:30:18,351 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-01-18 23:30:18,358 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 55 transitions, 115 flow [2022-01-18 23:30:18,380 INFO L129 PetriNetUnfolder]: 1/54 cut-off events. [2022-01-18 23:30:18,380 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-01-18 23:30:18,382 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58 conditions, 54 events. 1/54 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 12 event pairs, 0 based on Foata normal form. 0/52 useless extension candidates. Maximal degree in co-relation 22. Up to 2 conditions per place. [2022-01-18 23:30:18,382 INFO L82 GeneralOperation]: Start removeDead. Operand has 58 places, 55 transitions, 115 flow [2022-01-18 23:30:18,393 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 48 places, 44 transitions, 91 flow [2022-01-18 23:30:18,401 INFO L129 PetriNetUnfolder]: 0/43 cut-off events. [2022-01-18 23:30:18,402 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-01-18 23:30:18,402 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:30:18,402 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:30:18,403 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 23:30:18,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:30:18,406 INFO L85 PathProgramCache]: Analyzing trace with hash -339147317, now seen corresponding path program 1 times [2022-01-18 23:30:18,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:30:18,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175075845] [2022-01-18 23:30:18,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:30:18,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:30:18,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:30:18,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:30:18,583 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:30:18,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175075845] [2022-01-18 23:30:18,584 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175075845] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 23:30:18,584 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 23:30:18,584 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 23:30:18,585 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996630717] [2022-01-18 23:30:18,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 23:30:18,593 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 23:30:18,594 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:30:18,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 23:30:18,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-18 23:30:18,615 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 55 [2022-01-18 23:30:18,618 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 44 transitions, 91 flow. Second operand has 5 states, 5 states have (on average 44.8) internal successors, (224), 5 states have internal predecessors, (224), 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) [2022-01-18 23:30:18,618 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:30:18,619 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 55 [2022-01-18 23:30:18,619 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:30:18,649 INFO L129 PetriNetUnfolder]: 0/42 cut-off events. [2022-01-18 23:30:18,649 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-01-18 23:30:18,649 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55 conditions, 42 events. 0/42 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 5 event pairs, 0 based on Foata normal form. 1/43 useless extension candidates. Maximal degree in co-relation 0. Up to 5 conditions per place. [2022-01-18 23:30:18,650 INFO L132 encePairwiseOnDemand]: 51/55 looper letters, 0 selfloop transitions, 0 changer transitions 42/42 dead transitions. [2022-01-18 23:30:18,650 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 42 transitions, 103 flow [2022-01-18 23:30:18,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-18 23:30:18,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-01-18 23:30:18,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 224 transitions. [2022-01-18 23:30:18,660 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8145454545454546 [2022-01-18 23:30:18,661 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 224 transitions. [2022-01-18 23:30:18,661 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 224 transitions. [2022-01-18 23:30:18,663 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:30:18,664 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 224 transitions. [2022-01-18 23:30:18,670 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 44.8) internal successors, (224), 5 states have internal predecessors, (224), 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) [2022-01-18 23:30:18,673 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 55.0) internal successors, (330), 6 states have internal predecessors, (330), 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) [2022-01-18 23:30:18,673 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 55.0) internal successors, (330), 6 states have internal predecessors, (330), 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) [2022-01-18 23:30:18,674 INFO L186 Difference]: Start difference. First operand has 48 places, 44 transitions, 91 flow. Second operand 5 states and 224 transitions. [2022-01-18 23:30:18,675 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 42 transitions, 103 flow [2022-01-18 23:30:18,676 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 42 transitions, 102 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-01-18 23:30:18,678 INFO L242 Difference]: Finished difference. Result has 49 places, 0 transitions, 0 flow [2022-01-18 23:30:18,679 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=49, PETRI_TRANSITIONS=0} [2022-01-18 23:30:18,681 INFO L334 CegarLoopForPetriNet]: 48 programPoint places, 1 predicate places. [2022-01-18 23:30:18,682 INFO L470 AbstractCegarLoop]: Abstraction has has 49 places, 0 transitions, 0 flow [2022-01-18 23:30:18,682 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 44.8) internal successors, (224), 5 states have internal predecessors, (224), 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) [2022-01-18 23:30:18,684 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-01-18 23:30:18,684 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-01-18 23:30:18,684 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-18 23:30:18,687 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-01-18 23:30:18,689 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-18 23:30:18,689 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-18 23:30:18,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.01 11:30:18 BasicIcfg [2022-01-18 23:30:18,694 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-18 23:30:18,698 INFO L158 Benchmark]: Toolchain (without parser) took 1124.65ms. Allocated memory was 367.0MB in the beginning and 474.0MB in the end (delta: 107.0MB). Free memory was 312.2MB in the beginning and 389.2MB in the end (delta: -77.0MB). Peak memory consumption was 29.3MB. Max. memory is 16.0GB. [2022-01-18 23:30:18,699 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 367.0MB. Free memory was 330.1MB in the beginning and 330.0MB in the end (delta: 69.5kB). There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 23:30:18,700 INFO L158 Benchmark]: CACSL2BoogieTranslator took 379.04ms. Allocated memory was 367.0MB in the beginning and 474.0MB in the end (delta: 107.0MB). Free memory was 312.0MB in the beginning and 438.5MB in the end (delta: -126.5MB). Peak memory consumption was 9.0MB. Max. memory is 16.0GB. [2022-01-18 23:30:18,700 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.33ms. Allocated memory is still 474.0MB. Free memory was 438.5MB in the beginning and 437.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 23:30:18,701 INFO L158 Benchmark]: Boogie Preprocessor took 26.86ms. Allocated memory is still 474.0MB. Free memory was 437.4MB in the beginning and 435.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 23:30:18,703 INFO L158 Benchmark]: RCFGBuilder took 262.40ms. Allocated memory is still 474.0MB. Free memory was 435.3MB in the beginning and 422.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2022-01-18 23:30:18,704 INFO L158 Benchmark]: TraceAbstraction took 407.42ms. Allocated memory is still 474.0MB. Free memory was 421.7MB in the beginning and 389.2MB in the end (delta: 32.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.0GB. [2022-01-18 23:30:18,707 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 367.0MB. Free memory was 330.1MB in the beginning and 330.0MB in the end (delta: 69.5kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 379.04ms. Allocated memory was 367.0MB in the beginning and 474.0MB in the end (delta: 107.0MB). Free memory was 312.0MB in the beginning and 438.5MB in the end (delta: -126.5MB). Peak memory consumption was 9.0MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 42.33ms. Allocated memory is still 474.0MB. Free memory was 438.5MB in the beginning and 437.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 26.86ms. Allocated memory is still 474.0MB. Free memory was 437.4MB in the beginning and 435.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 262.40ms. Allocated memory is still 474.0MB. Free memory was 435.3MB in the beginning and 422.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * TraceAbstraction took 407.42ms. Allocated memory is still 474.0MB. Free memory was 421.7MB in the beginning and 389.2MB in the end (delta: 32.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 60 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 5 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=91occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 53 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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! [2022-01-18 23:30:18,733 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...