/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-16 17:07:38,444 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-16 17:07:38,446 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-16 17:07:38,485 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-16 17:07:38,485 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-16 17:07:38,493 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-16 17:07:38,494 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-16 17:07:38,499 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-16 17:07:38,500 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-16 17:07:38,504 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-16 17:07:38,504 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-16 17:07:38,505 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-16 17:07:38,506 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-16 17:07:38,507 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-16 17:07:38,508 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-16 17:07:38,510 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-16 17:07:38,511 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-16 17:07:38,512 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-16 17:07:38,513 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-16 17:07:38,517 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-16 17:07:38,518 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-16 17:07:38,519 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-16 17:07:38,520 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-16 17:07:38,521 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-16 17:07:38,526 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-16 17:07:38,526 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-16 17:07:38,527 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-16 17:07:38,527 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-16 17:07:38,527 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-16 17:07:38,528 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-16 17:07:38,528 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-16 17:07:38,529 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-16 17:07:38,529 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-16 17:07:38,530 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-16 17:07:38,530 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-16 17:07:38,530 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-16 17:07:38,531 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-16 17:07:38,531 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-16 17:07:38,531 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-16 17:07:38,532 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-16 17:07:38,532 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-16 17:07:38,534 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-MCRwithoutDepranks.epf [2022-02-16 17:07:38,560 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-16 17:07:38,560 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-16 17:07:38,560 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-16 17:07:38,561 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-16 17:07:38,561 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-16 17:07:38,561 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-16 17:07:38,562 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-16 17:07:38,562 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-16 17:07:38,562 INFO L138 SettingsManager]: * Use SBE=true [2022-02-16 17:07:38,562 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-16 17:07:38,562 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-16 17:07:38,562 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-16 17:07:38,562 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-16 17:07:38,563 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-16 17:07:38,563 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-16 17:07:38,563 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-16 17:07:38,566 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-16 17:07:38,566 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-16 17:07:38,566 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-16 17:07:38,566 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-16 17:07:38,566 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-16 17:07:38,566 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-16 17:07:38,567 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-16 17:07:38,567 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-16 17:07:38,567 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-16 17:07:38,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 17:07:38,567 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-16 17:07:38,567 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-16 17:07:38,568 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-16 17:07:38,568 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-16 17:07:38,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-16 17:07:38,568 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-16 17:07:38,569 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-16 17:07:38,569 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-16 17:07:38,569 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-02-16 17:07:38,569 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-16 17:07:38,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-16 17:07:38,801 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-16 17:07:38,803 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-16 17:07:38,804 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-16 17:07:38,808 INFO L275 PluginConnector]: CDTParser initialized [2022-02-16 17:07:38,808 INFO L432 ainManager$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_neg.i [2022-02-16 17:07:38,868 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/885cc2dda/21fab1a7937a45a8ad658dfb687832fe/FLAGe9f7f4c3c [2022-02-16 17:07:39,221 INFO L306 CDTParser]: Found 1 translation units. [2022-02-16 17:07:39,222 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i [2022-02-16 17:07:39,239 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/885cc2dda/21fab1a7937a45a8ad658dfb687832fe/FLAGe9f7f4c3c [2022-02-16 17:07:39,626 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/885cc2dda/21fab1a7937a45a8ad658dfb687832fe [2022-02-16 17:07:39,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-16 17:07:39,629 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-16 17:07:39,632 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-16 17:07:39,632 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-16 17:07:39,643 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-16 17:07:39,643 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 05:07:39" (1/1) ... [2022-02-16 17:07:39,645 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c9a4bed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 05:07:39, skipping insertion in model container [2022-02-16 17:07:39,645 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 05:07:39" (1/1) ... [2022-02-16 17:07:39,650 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-16 17:07:39,699 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-16 17:07:39,812 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_41-traces-ex-7_unknown_1_neg.i[1097,1110] [2022-02-16 17:07:39,910 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-16 17:07:39,917 INFO L203 MainTranslator]: Completed pre-run [2022-02-16 17:07:39,924 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_41-traces-ex-7_unknown_1_neg.i[1097,1110] [2022-02-16 17:07:39,938 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-16 17:07:39,960 INFO L208 MainTranslator]: Completed translation [2022-02-16 17:07:39,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 05:07:39 WrapperNode [2022-02-16 17:07:39,961 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-16 17:07:39,961 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-16 17:07:39,962 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-16 17:07:39,962 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-16 17:07:39,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 05:07:39" (1/1) ... [2022-02-16 17:07:39,987 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 05:07:39" (1/1) ... [2022-02-16 17:07:40,002 INFO L137 Inliner]: procedures = 162, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2022-02-16 17:07:40,003 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-16 17:07:40,004 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-16 17:07:40,004 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-16 17:07:40,004 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-16 17:07:40,008 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 05:07:39" (1/1) ... [2022-02-16 17:07:40,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 05:07:39" (1/1) ... [2022-02-16 17:07:40,013 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 05:07:39" (1/1) ... [2022-02-16 17:07:40,014 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 05:07:39" (1/1) ... [2022-02-16 17:07:40,026 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 05:07:39" (1/1) ... [2022-02-16 17:07:40,026 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 05:07:39" (1/1) ... [2022-02-16 17:07:40,027 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 05:07:39" (1/1) ... [2022-02-16 17:07:40,028 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-16 17:07:40,029 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-16 17:07:40,029 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-16 17:07:40,029 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-16 17:07:40,032 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 05:07:39" (1/1) ... [2022-02-16 17:07:40,037 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 17:07:40,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 17:07:40,072 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-16 17:07:40,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-16 17:07:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-16 17:07:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-16 17:07:40,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-16 17:07:40,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-16 17:07:40,107 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-16 17:07:40,107 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-16 17:07:40,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-16 17:07:40,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-16 17:07:40,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-16 17:07:40,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-16 17:07:40,109 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-16 17:07:40,235 INFO L234 CfgBuilder]: Building ICFG [2022-02-16 17:07:40,236 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-16 17:07:40,395 INFO L275 CfgBuilder]: Performing block encoding [2022-02-16 17:07:40,400 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-16 17:07:40,400 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-16 17:07:40,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 05:07:40 BoogieIcfgContainer [2022-02-16 17:07:40,401 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-16 17:07:40,402 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-16 17:07:40,402 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-16 17:07:40,406 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-16 17:07:40,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.02 05:07:39" (1/3) ... [2022-02-16 17:07:40,407 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1138e769 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 05:07:40, skipping insertion in model container [2022-02-16 17:07:40,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 05:07:39" (2/3) ... [2022-02-16 17:07:40,407 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1138e769 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 05:07:40, skipping insertion in model container [2022-02-16 17:07:40,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 05:07:40" (3/3) ... [2022-02-16 17:07:40,408 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_41-traces-ex-7_unknown_1_neg.i [2022-02-16 17:07:40,411 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-16 17:07:40,411 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-16 17:07:40,412 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-16 17:07:40,412 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-16 17:07:40,439 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:07:40,439 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:07:40,439 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:07:40,439 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:07:40,439 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:07:40,439 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:07:40,440 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:07:40,440 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:07:40,440 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:07:40,441 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:07:40,441 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:07:40,441 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:07:40,441 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:07:40,442 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:07:40,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:07:40,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:07:40,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:07:40,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:07:40,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:07:40,444 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:07:40,449 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:07:40,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:07:40,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:07:40,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:07:40,450 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:07:40,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:07:40,452 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-16 17:07:40,489 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-16 17:07:40,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 17:07:40,491 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-16 17:07:40,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-16 17:07:40,514 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-16 17:07:40,520 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-16 17:07:40,520 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-02-16 17:07:40,529 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 69 places, 66 transitions, 137 flow [2022-02-16 17:07:40,566 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 186 states, 185 states have (on average 1.7027027027027026) internal successors, (315), 185 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 17:07:40,632 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 58 transitions and produced 59 states. [2022-02-16 17:07:40,634 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-16 17:07:40,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 17:07:40,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1593244809, now seen corresponding path program 1 times [2022-02-16 17:07:40,646 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 17:07:40,647 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046293307] [2022-02-16 17:07:40,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 17:07:40,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 17:07:40,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-16 17:07:40,769 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-16 17:07:40,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-16 17:07:40,819 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-16 17:07:40,820 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-16 17:07:40,821 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-02-16 17:07:40,822 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-02-16 17:07:40,823 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-16 17:07:40,832 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-02-16 17:07:40,835 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-16 17:07:40,835 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-16 17:07:40,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.02 05:07:40 BasicIcfg [2022-02-16 17:07:40,870 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-16 17:07:40,871 INFO L158 Benchmark]: Toolchain (without parser) took 1241.19ms. Allocated memory was 186.6MB in the beginning and 225.4MB in the end (delta: 38.8MB). Free memory was 131.8MB in the beginning and 135.1MB in the end (delta: -3.2MB). Peak memory consumption was 34.8MB. Max. memory is 8.0GB. [2022-02-16 17:07:40,874 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 186.6MB. Free memory is still 149.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-16 17:07:40,875 INFO L158 Benchmark]: CACSL2BoogieTranslator took 329.26ms. Allocated memory was 186.6MB in the beginning and 225.4MB in the end (delta: 38.8MB). Free memory was 131.6MB in the beginning and 191.7MB in the end (delta: -60.1MB). Peak memory consumption was 5.4MB. Max. memory is 8.0GB. [2022-02-16 17:07:40,875 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.44ms. Allocated memory is still 225.4MB. Free memory was 191.7MB in the beginning and 189.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-16 17:07:40,876 INFO L158 Benchmark]: Boogie Preprocessor took 24.90ms. Allocated memory is still 225.4MB. Free memory was 189.6MB in the beginning and 188.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-16 17:07:40,876 INFO L158 Benchmark]: RCFGBuilder took 372.08ms. Allocated memory is still 225.4MB. Free memory was 188.6MB in the beginning and 176.5MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-02-16 17:07:40,877 INFO L158 Benchmark]: TraceAbstraction took 467.37ms. Allocated memory is still 225.4MB. Free memory was 176.0MB in the beginning and 135.6MB in the end (delta: 40.4MB). Peak memory consumption was 40.9MB. Max. memory is 8.0GB. [2022-02-16 17:07:40,881 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 186.6MB. Free memory is still 149.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 329.26ms. Allocated memory was 186.6MB in the beginning and 225.4MB in the end (delta: 38.8MB). Free memory was 131.6MB in the beginning and 191.7MB in the end (delta: -60.1MB). Peak memory consumption was 5.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 41.44ms. Allocated memory is still 225.4MB. Free memory was 191.7MB in the beginning and 189.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.90ms. Allocated memory is still 225.4MB. Free memory was 189.6MB in the beginning and 188.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 372.08ms. Allocated memory is still 225.4MB. Free memory was 188.6MB in the beginning and 176.5MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 467.37ms. Allocated memory is still 225.4MB. Free memory was 176.0MB in the beginning and 135.6MB in the end (delta: 40.4MB). Peak memory consumption was 40.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L681] 0 int g = 0; VAL [g=0] [L682] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, g=0] [L683] 0 pthread_mutex_t D = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 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] [L698] CALL 0 __VERIFIER_assert(!(g == 0)) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, A={3:0}, arg={0:0}, cond=0, D={4:0}, g=0] [L19] 0 reach_error() VAL [\old(cond)=0, A={3:0}, arg={0:0}, cond=0, D={4:0}, g=0] - UnprovableResult [Line: 694]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 78 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=186occurred 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, 45 NumberOfCodeBlocks, 45 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! [2022-02-16 17:07:40,907 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-02-16 17:07:41,121 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...