/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-MCRwithDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/36-apron_41-threadenter-no-locals_unknown_1_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-09 21:52:13,435 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 21:52:13,437 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 21:52:13,482 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-09 21:52:13,508 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-09 21:52:13,509 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-09 21:52:13,513 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-09 21:52:13,514 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-09 21:52:13,515 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-09 21:52:13,515 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-09 21:52:13,519 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-09 21:52:13,522 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-09 21:52:13,523 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-09 21:52:13,526 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-09 21:52:13,526 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-09 21:52:13,527 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-09 21:52:13,529 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-09 21:52:13,534 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-09 21:52:13,535 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-09 21:52:13,538 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-09 21:52:13,541 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-MCRwithDepranks-Lazy.epf [2022-02-09 21:52:13,577 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 21:52:13,577 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 21:52:13,577 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 21:52:13,577 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 21:52:13,578 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 21:52:13,578 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 21:52:13,579 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 21:52:13,579 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 21:52:13,579 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 21:52:13,579 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 21:52:13,580 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 21:52:13,580 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 21:52:13,580 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 21:52:13,580 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 21:52:13,580 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 21:52:13,580 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 21:52:13,580 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 21:52:13,580 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 21:52:13,580 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 21:52:13,580 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 21:52:13,580 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 21:52:13,581 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 21:52:13,581 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 21:52:13,581 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 21:52:13,582 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 21:52:13,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 21:52:13,582 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 21:52:13,582 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-09 21:52:13,583 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 21:52:13,583 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 21:52:13,583 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 21:52:13,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 21:52:13,583 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 21:52:13,583 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-09 21:52:13,583 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 21:52:13,583 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-09 21:52:13,583 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-09 21:52:13,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 21:52:13,773 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 21:52:13,775 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 21:52:13,775 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-09 21:52:13,776 INFO L275 PluginConnector]: CDTParser initialized [2022-02-09 21:52:13,777 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/36-apron_41-threadenter-no-locals_unknown_1_neg.i [2022-02-09 21:52:13,815 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fb1a8617/60106780b14d400d903f041ce753e02e/FLAG1ec614f7c [2022-02-09 21:52:14,220 INFO L306 CDTParser]: Found 1 translation units. [2022-02-09 21:52:14,221 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_41-threadenter-no-locals_unknown_1_neg.i [2022-02-09 21:52:14,229 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fb1a8617/60106780b14d400d903f041ce753e02e/FLAG1ec614f7c [2022-02-09 21:52:14,610 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fb1a8617/60106780b14d400d903f041ce753e02e [2022-02-09 21:52:14,612 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 21:52:14,614 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-09 21:52:14,616 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-09 21:52:14,617 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-09 21:52:14,619 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-09 21:52:14,619 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 09:52:14" (1/1) ... [2022-02-09 21:52:14,621 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b851778 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 09:52:14, skipping insertion in model container [2022-02-09 21:52:14,622 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 09:52:14" (1/1) ... [2022-02-09 21:52:14,626 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-09 21:52:14,654 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-09 21:52:14,776 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/36-apron_41-threadenter-no-locals_unknown_1_neg.i[1102,1115] [2022-02-09 21:52:14,908 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 21:52:14,914 INFO L203 MainTranslator]: Completed pre-run [2022-02-09 21:52:14,924 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/36-apron_41-threadenter-no-locals_unknown_1_neg.i[1102,1115] [2022-02-09 21:52:14,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 21:52:14,984 INFO L208 MainTranslator]: Completed translation [2022-02-09 21:52:14,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 09:52:14 WrapperNode [2022-02-09 21:52:14,984 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-09 21:52:14,985 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 21:52:14,985 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 21:52:14,985 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 21:52:14,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 09:52:14" (1/1) ... [2022-02-09 21:52:15,007 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 09:52:14" (1/1) ... [2022-02-09 21:52:15,023 INFO L137 Inliner]: procedures = 162, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35 [2022-02-09 21:52:15,024 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 21:52:15,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 21:52:15,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 21:52:15,024 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 21:52:15,029 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 09:52:14" (1/1) ... [2022-02-09 21:52:15,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 09:52:14" (1/1) ... [2022-02-09 21:52:15,039 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 09:52:14" (1/1) ... [2022-02-09 21:52:15,040 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 09:52:14" (1/1) ... [2022-02-09 21:52:15,047 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 09:52:14" (1/1) ... [2022-02-09 21:52:15,048 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 09:52:14" (1/1) ... [2022-02-09 21:52:15,049 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 09:52:14" (1/1) ... [2022-02-09 21:52:15,050 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 21:52:15,051 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 21:52:15,051 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 21:52:15,051 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 21:52:15,056 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 09:52:14" (1/1) ... [2022-02-09 21:52:15,061 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 21:52:15,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 21:52:15,113 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-09 21:52:15,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-09 21:52:15,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-09 21:52:15,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-09 21:52:15,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-09 21:52:15,161 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-09 21:52:15,162 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-09 21:52:15,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-09 21:52:15,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-09 21:52:15,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 21:52:15,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 21:52:15,163 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-09 21:52:15,270 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 21:52:15,271 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 21:52:15,356 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 21:52:15,364 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 21:52:15,364 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-09 21:52:15,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 09:52:15 BoogieIcfgContainer [2022-02-09 21:52:15,366 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 21:52:15,367 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 21:52:15,367 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 21:52:15,374 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 21:52:15,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.02 09:52:14" (1/3) ... [2022-02-09 21:52:15,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1028fbb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 09:52:15, skipping insertion in model container [2022-02-09 21:52:15,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 09:52:14" (2/3) ... [2022-02-09 21:52:15,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1028fbb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 09:52:15, skipping insertion in model container [2022-02-09 21:52:15,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 09:52:15" (3/3) ... [2022-02-09 21:52:15,376 INFO L111 eAbstractionObserver]: Analyzing ICFG 36-apron_41-threadenter-no-locals_unknown_1_neg.i [2022-02-09 21:52:15,380 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 21:52:15,380 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 21:52:15,380 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-09 21:52:15,380 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 21:52:15,414 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 21:52:15,414 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 21:52:15,414 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 21:52:15,414 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 21:52:15,416 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 21:52:15,416 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 21:52:15,416 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 21:52:15,416 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 21:52:15,416 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 21:52:15,417 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 21:52:15,419 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 21:52:15,419 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 21:52:15,419 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 21:52:15,420 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 21:52:15,420 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 21:52:15,420 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 21:52:15,420 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 21:52:15,420 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 21:52:15,420 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 21:52:15,420 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 21:52:15,420 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 21:52:15,421 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 21:52:15,421 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 21:52:15,421 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 21:52:15,421 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 21:52:15,421 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 21:52:15,435 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 21:52:15,435 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 21:52:15,435 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 21:52:15,436 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 21:52:15,436 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 21:52:15,436 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 21:52:15,436 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 21:52:15,436 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 21:52:15,439 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 21:52:15,439 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 21:52:15,439 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 21:52:15,439 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 21:52:15,439 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 21:52:15,440 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 21:52:15,440 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 21:52:15,440 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 21:52:15,442 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-09 21:52:15,473 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-09 21:52:15,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 21:52:15,475 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-09 21:52:15,476 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-09 21:52:15,499 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-09 21:52:15,503 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-09 21:52:15,504 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-09 21:52:15,538 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 44 transitions and produced 45 states. [2022-02-09 21:52:15,540 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-09 21:52:15,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 21:52:15,544 INFO L85 PathProgramCache]: Analyzing trace with hash 698079731, now seen corresponding path program 1 times [2022-02-09 21:52:15,550 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 21:52:15,550 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653595842] [2022-02-09 21:52:15,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 21:52:15,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 21:52:15,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-09 21:52:15,630 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-09 21:52:15,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-09 21:52:15,659 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-09 21:52:15,661 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-09 21:52:15,661 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-02-09 21:52:15,662 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-02-09 21:52:15,663 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-02-09 21:52:15,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-09 21:52:15,671 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-02-09 21:52:15,676 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-09 21:52:15,676 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-09 21:52:15,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 09:52:15 BasicIcfg [2022-02-09 21:52:15,701 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-09 21:52:15,702 INFO L158 Benchmark]: Toolchain (without parser) took 1087.97ms. Allocated memory was 225.4MB in the beginning and 347.1MB in the end (delta: 121.6MB). Free memory was 168.8MB in the beginning and 272.7MB in the end (delta: -104.0MB). Peak memory consumption was 16.9MB. Max. memory is 8.0GB. [2022-02-09 21:52:15,702 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 225.4MB. Free memory is still 187.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 21:52:15,703 INFO L158 Benchmark]: CACSL2BoogieTranslator took 368.23ms. Allocated memory was 225.4MB in the beginning and 347.1MB in the end (delta: 121.6MB). Free memory was 168.5MB in the beginning and 311.5MB in the end (delta: -143.0MB). Peak memory consumption was 11.1MB. Max. memory is 8.0GB. [2022-02-09 21:52:15,703 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.44ms. Allocated memory is still 347.1MB. Free memory was 311.5MB in the beginning and 309.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-09 21:52:15,703 INFO L158 Benchmark]: Boogie Preprocessor took 26.04ms. Allocated memory is still 347.1MB. Free memory was 309.4MB in the beginning and 308.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-09 21:52:15,704 INFO L158 Benchmark]: RCFGBuilder took 315.05ms. Allocated memory is still 347.1MB. Free memory was 308.4MB in the beginning and 297.4MB in the end (delta: 11.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-02-09 21:52:15,704 INFO L158 Benchmark]: TraceAbstraction took 334.23ms. Allocated memory is still 347.1MB. Free memory was 296.9MB in the beginning and 272.7MB in the end (delta: 24.1MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2022-02-09 21:52:15,706 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 225.4MB. Free memory is still 187.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 368.23ms. Allocated memory was 225.4MB in the beginning and 347.1MB in the end (delta: 121.6MB). Free memory was 168.5MB in the beginning and 311.5MB in the end (delta: -143.0MB). Peak memory consumption was 11.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 38.44ms. Allocated memory is still 347.1MB. Free memory was 311.5MB in the beginning and 309.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.04ms. Allocated memory is still 347.1MB. Free memory was 309.4MB in the beginning and 308.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 315.05ms. Allocated memory is still 347.1MB. Free memory was 308.4MB in the beginning and 297.4MB in the end (delta: 11.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 334.23ms. Allocated memory is still 347.1MB. Free memory was 296.9MB in the beginning and 272.7MB in the end (delta: 24.1MB). Peak memory consumption was 24.1MB. 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: [L688] 0 int x = 3; VAL [x=3] [L689] 0 pthread_t id; VAL [id={3:0}, x=3] [L690] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [id={3:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1, x=3] [L691] 0 return 0; VAL [\result=0, id={3:0}, x=3] [L691] 0 return 0; VAL [\result=0, x=3] [L683] 1 int x = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=3, arg={0:0}, arg={0:0}, x=3] [L684] CALL 1 __VERIFIER_assert(!(x == 3)) [L19] COND TRUE 1 !(cond) VAL [\old(cond)=0, cond=0] [L19] 1 reach_error() VAL [\old(cond)=0, cond=0] - UnprovableResult [Line: 690]: 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, 60 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 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! [2022-02-09 21:52:15,730 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 [2022-02-09 21:52:15,943 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...