/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-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/atomic/05-end-no-begin.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-02 09:14:26,481 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-02 09:14:26,483 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-02 09:14:26,531 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-02 09:14:26,531 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-02 09:14:26,532 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-02 09:14:26,533 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-02 09:14:26,534 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-02 09:14:26,535 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-02 09:14:26,535 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-02 09:14:26,536 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-02 09:14:26,537 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-02 09:14:26,537 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-02 09:14:26,538 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-02 09:14:26,538 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-02 09:14:26,539 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-02 09:14:26,539 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-02 09:14:26,540 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-02 09:14:26,542 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-02 09:14:26,543 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-02 09:14:26,544 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-02 09:14:26,546 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-02 09:14:26,547 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-02 09:14:26,547 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-02 09:14:26,549 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-02 09:14:26,549 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-02 09:14:26,550 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-02 09:14:26,550 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-02 09:14:26,550 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-02 09:14:26,551 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-02 09:14:26,551 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-02 09:14:26,552 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-02 09:14:26,552 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-02 09:14:26,553 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-02 09:14:26,553 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-02 09:14:26,553 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-02 09:14:26,554 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-02 09:14:26,554 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-02 09:14:26,554 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-02 09:14:26,555 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-02 09:14:26,555 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-02 09:14:26,561 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-Lazy.epf [2022-03-02 09:14:26,574 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-02 09:14:26,575 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-02 09:14:26,575 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-02 09:14:26,575 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-02 09:14:26,575 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-02 09:14:26,576 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-02 09:14:26,576 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-02 09:14:26,576 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-02 09:14:26,576 INFO L138 SettingsManager]: * Use SBE=true [2022-03-02 09:14:26,576 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-02 09:14:26,576 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-02 09:14:26,577 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-02 09:14:26,577 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-02 09:14:26,577 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-02 09:14:26,577 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-02 09:14:26,577 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-02 09:14:26,577 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-02 09:14:26,577 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-02 09:14:26,577 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-02 09:14:26,577 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-02 09:14:26,577 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-02 09:14:26,578 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-02 09:14:26,578 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-02 09:14:26,578 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-02 09:14:26,578 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-02 09:14:26,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 09:14:26,578 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-02 09:14:26,578 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-02 09:14:26,578 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-02 09:14:26,578 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-02 09:14:26,578 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-02 09:14:26,579 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-02 09:14:26,579 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-02 09:14:26,579 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-02 09:14:26,579 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-02 09:14:26,579 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-03-02 09:14:26,579 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-02 09:14:26,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-02 09:14:26,773 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-02 09:14:26,775 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-02 09:14:26,775 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-02 09:14:26,777 INFO L275 PluginConnector]: CDTParser initialized [2022-03-02 09:14:26,778 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/atomic/05-end-no-begin.c [2022-03-02 09:14:26,828 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e001f1f60/ead09ac2ae9345d39295aa6e653d55a0/FLAGa4a9845bb [2022-03-02 09:14:27,160 INFO L306 CDTParser]: Found 1 translation units. [2022-03-02 09:14:27,161 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/atomic/05-end-no-begin.c [2022-03-02 09:14:27,161 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2022-03-02 09:14:27,184 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e001f1f60/ead09ac2ae9345d39295aa6e653d55a0/FLAGa4a9845bb [2022-03-02 09:14:27,193 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e001f1f60/ead09ac2ae9345d39295aa6e653d55a0 [2022-03-02 09:14:27,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-02 09:14:27,196 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-02 09:14:27,197 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-02 09:14:27,197 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-02 09:14:27,200 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-02 09:14:27,200 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.03 09:14:27" (1/1) ... [2022-03-02 09:14:27,201 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ff4bc8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 09:14:27, skipping insertion in model container [2022-03-02 09:14:27,201 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.03 09:14:27" (1/1) ... [2022-03-02 09:14:27,206 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-02 09:14:27,216 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-02 09:14:27,353 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-02 09:14:27,359 INFO L203 MainTranslator]: Completed pre-run [2022-03-02 09:14:27,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-02 09:14:27,373 INFO L208 MainTranslator]: Completed translation [2022-03-02 09:14:27,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 09:14:27 WrapperNode [2022-03-02 09:14:27,374 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-02 09:14:27,375 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-02 09:14:27,375 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-02 09:14:27,375 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-02 09:14:27,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 09:14:27" (1/1) ... [2022-03-02 09:14:27,384 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 09:14:27" (1/1) ... [2022-03-02 09:14:27,394 INFO L137 Inliner]: procedures = 10, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2022-03-02 09:14:27,395 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-02 09:14:27,396 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-02 09:14:27,397 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-02 09:14:27,397 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-02 09:14:27,402 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 09:14:27" (1/1) ... [2022-03-02 09:14:27,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 09:14:27" (1/1) ... [2022-03-02 09:14:27,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 09:14:27" (1/1) ... [2022-03-02 09:14:27,404 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 09:14:27" (1/1) ... [2022-03-02 09:14:27,408 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 09:14:27" (1/1) ... [2022-03-02 09:14:27,409 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 09:14:27" (1/1) ... [2022-03-02 09:14:27,410 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 09:14:27" (1/1) ... [2022-03-02 09:14:27,414 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-02 09:14:27,415 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-02 09:14:27,415 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-02 09:14:27,415 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-02 09:14:27,416 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 09:14:27" (1/1) ... [2022-03-02 09:14:27,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 09:14:27,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 09:14:27,449 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) [2022-03-02 09:14:27,454 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 [2022-03-02 09:14:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-02 09:14:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-03-02 09:14:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2022-03-02 09:14:27,476 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2022-03-02 09:14:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-02 09:14:27,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-02 09:14:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-02 09:14:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-02 09:14:27,477 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-02 09:14:27,522 INFO L234 CfgBuilder]: Building ICFG [2022-03-02 09:14:27,524 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-02 09:14:27,624 INFO L275 CfgBuilder]: Performing block encoding [2022-03-02 09:14:27,629 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-02 09:14:27,629 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-02 09:14:27,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 09:14:27 BoogieIcfgContainer [2022-03-02 09:14:27,631 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-02 09:14:27,633 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-02 09:14:27,633 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-02 09:14:27,635 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-02 09:14:27,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.03 09:14:27" (1/3) ... [2022-03-02 09:14:27,636 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@451ec8a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.03 09:14:27, skipping insertion in model container [2022-03-02 09:14:27,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 09:14:27" (2/3) ... [2022-03-02 09:14:27,637 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@451ec8a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.03 09:14:27, skipping insertion in model container [2022-03-02 09:14:27,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 09:14:27" (3/3) ... [2022-03-02 09:14:27,638 INFO L111 eAbstractionObserver]: Analyzing ICFG 05-end-no-begin.c [2022-03-02 09:14:27,642 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-02 09:14:27,642 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-02 09:14:27,642 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-02 09:14:27,643 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-02 09:14:27,683 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:27,684 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:27,684 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:27,684 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:27,684 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:27,684 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:27,684 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:27,684 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:27,685 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:27,685 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:27,685 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:27,685 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:27,687 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:27,687 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:27,687 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:27,688 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:14:27,689 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-02 09:14:27,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-02 09:14:27,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 09:14:27,747 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) [2022-03-02 09:14:27,765 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 [2022-03-02 09:14:27,769 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-02 09:14:27,776 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, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-02 09:14:27,776 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-03-02 09:14:27,823 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 24 transitions and produced 25 states. [2022-03-02 09:14:27,825 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-02 09:14:27,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 09:14:27,831 INFO L85 PathProgramCache]: Analyzing trace with hash -2094865671, now seen corresponding path program 1 times [2022-03-02 09:14:27,837 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 09:14:27,837 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51793812] [2022-03-02 09:14:27,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 09:14:27,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 09:14:27,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 09:14:27,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 09:14:27,993 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 09:14:27,993 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51793812] [2022-03-02 09:14:27,994 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51793812] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-02 09:14:27,994 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-02 09:14:27,994 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-02 09:14:27,995 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539233322] [2022-03-02 09:14:27,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-02 09:14:28,002 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-02 09:14:28,002 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 09:14:28,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-02 09:14:28,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-02 09:14:28,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 09:14:28,024 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 09:14:28,025 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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) [2022-03-02 09:14:28,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 09:14:28,071 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 44 transitions and produced 45 states. [2022-03-02 09:14:28,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-02 09:14:28,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-02 09:14:28,073 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-02 09:14:28,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 09:14:28,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1174145594, now seen corresponding path program 1 times [2022-03-02 09:14:28,075 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 09:14:28,075 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704596082] [2022-03-02 09:14:28,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 09:14:28,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 09:14:28,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-02 09:14:28,102 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-02 09:14:28,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-02 09:14:28,138 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-02 09:14:28,138 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-02 09:14:28,140 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (1 of 2 remaining) [2022-03-02 09:14:28,141 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-03-02 09:14:28,141 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-02 09:14:28,147 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-03-02 09:14:28,150 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-02 09:14:28,151 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-02 09:14:28,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.03 09:14:28 BasicIcfg [2022-03-02 09:14:28,178 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-02 09:14:28,179 INFO L158 Benchmark]: Toolchain (without parser) took 982.60ms. Allocated memory is still 201.3MB. Free memory was 149.0MB in the beginning and 134.0MB in the end (delta: 15.0MB). Peak memory consumption was 14.9MB. Max. memory is 8.0GB. [2022-03-02 09:14:28,179 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 201.3MB. Free memory was 166.8MB in the beginning and 166.7MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-02 09:14:28,181 INFO L158 Benchmark]: CACSL2BoogieTranslator took 176.91ms. Allocated memory is still 201.3MB. Free memory was 148.8MB in the beginning and 176.5MB in the end (delta: -27.6MB). Peak memory consumption was 9.6MB. Max. memory is 8.0GB. [2022-03-02 09:14:28,181 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.04ms. Allocated memory is still 201.3MB. Free memory was 176.0MB in the beginning and 174.9MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-02 09:14:28,182 INFO L158 Benchmark]: Boogie Preprocessor took 17.67ms. Allocated memory is still 201.3MB. Free memory was 174.9MB in the beginning and 173.8MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-02 09:14:28,183 INFO L158 Benchmark]: RCFGBuilder took 215.92ms. Allocated memory is still 201.3MB. Free memory was 173.8MB in the beginning and 164.4MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-02 09:14:28,183 INFO L158 Benchmark]: TraceAbstraction took 545.05ms. Allocated memory is still 201.3MB. Free memory was 163.9MB in the beginning and 134.0MB in the end (delta: 29.9MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. [2022-03-02 09:14:28,189 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 201.3MB. Free memory was 166.8MB in the beginning and 166.7MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 176.91ms. Allocated memory is still 201.3MB. Free memory was 148.8MB in the beginning and 176.5MB in the end (delta: -27.6MB). Peak memory consumption was 9.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 20.04ms. Allocated memory is still 201.3MB. Free memory was 176.0MB in the beginning and 174.9MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 17.67ms. Allocated memory is still 201.3MB. Free memory was 174.9MB in the beginning and 173.8MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 215.92ms. Allocated memory is still 201.3MB. Free memory was 173.8MB in the beginning and 164.4MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 545.05ms. Allocated memory is still 201.3MB. Free memory was 163.9MB in the beginning and 134.0MB in the end (delta: 29.9MB). Peak memory consumption was 30.4MB. 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: 30]: assertion can be violated assertion can be violated We found a FailurePath: [L15] 0 int x = 0; VAL [x=0] [L23] 0 pthread_t threadId; VAL [threadId={2:0}, x=0] [L24] FCALL, FORK 0 pthread_create(&threadId, NULL, &foo, NULL) VAL [arg={0:0}, pthread_create(&threadId, NULL, &foo, NULL)=-1, threadId={2:0}, x=0] [L26] 0 x = 1 VAL [arg={0:0}, threadId={2:0}, x=1] [L18] 1 x = 2 VAL [arg={0:0}, arg={0:0}, x=2] [L27] 0 x = x + 1 VAL [arg={0:0}, arg={0:0}, threadId={2:0}, x=3] [L30] 0 CodeAnnotStmt[Assertion] VAL [arg={0:0}, arg={0:0}, threadId={2:0}, x=3] - UnprovableResult [Line: 24]: 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, 37 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, 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=0occurred in iteration=0, InterpolantAutomatonStates: 4, 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, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 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 RESULT: Ultimate proved your program to be incorrect! [2022-03-02 09:14:28,217 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 [2022-03-02 09:14:28,424 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...