/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/forkMultipleTimes.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 21:20:11,268 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 21:20:11,270 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 21:20:11,322 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-16 21:20:11,322 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-16 21:20:11,329 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-16 21:20:11,331 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-16 21:20:11,336 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-16 21:20:11,337 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-16 21:20:11,338 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-16 21:20:11,338 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-16 21:20:11,340 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-16 21:20:11,340 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 21:20:11,344 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 21:20:11,345 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 21:20:11,346 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 21:20:11,346 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 21:20:11,347 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 21:20:11,348 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 21:20:11,349 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 21:20:11,349 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 21:20:11,353 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 21:20:11,354 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 21:20:11,355 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 21:20:11,360 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-16 21:20:11,361 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-16 21:20:11,361 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-16 21:20:11,362 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-16 21:20:11,362 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-16 21:20:11,363 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-16 21:20:11,363 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-16 21:20:11,363 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-16 21:20:11,365 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-16 21:20:11,365 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-16 21:20:11,366 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-16 21:20:11,366 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-16 21:20:11,367 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-16 21:20:11,367 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-16 21:20:11,367 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 21:20:11,367 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 21:20:11,368 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 21:20:11,369 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 [2022-03-16 21:20:11,397 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 21:20:11,397 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 21:20:11,397 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 21:20:11,398 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 21:20:11,398 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 21:20:11,398 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 21:20:11,399 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 21:20:11,399 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 21:20:11,399 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 21:20:11,399 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 21:20:11,400 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 21:20:11,400 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 21:20:11,400 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 21:20:11,400 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 21:20:11,400 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 21:20:11,400 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 21:20:11,400 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 21:20:11,400 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 21:20:11,400 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 21:20:11,401 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 21:20:11,401 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 21:20:11,401 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 21:20:11,401 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 21:20:11,401 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 21:20:11,402 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 21:20:11,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 21:20:11,402 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 21:20:11,402 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 21:20:11,402 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 21:20:11,402 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 21:20:11,403 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 21:20:11,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 21:20:11,403 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 21:20:11,403 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 21:20:11,403 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 21:20:11,403 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-03-16 21:20:11,403 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 21:20:11,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 21:20:11,606 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 21:20:11,608 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 21:20:11,609 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-16 21:20:11,611 INFO L275 PluginConnector]: CDTParser initialized [2022-03-16 21:20:11,612 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/forkMultipleTimes.c [2022-03-16 21:20:11,662 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c1470c32/1882b1270a394f4e8a3d849b79d0c39a/FLAGb5f547ef5 [2022-03-16 21:20:12,018 INFO L306 CDTParser]: Found 1 translation units. [2022-03-16 21:20:12,019 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/forkMultipleTimes.c [2022-03-16 21:20:12,019 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2022-03-16 21:20:12,019 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2022-03-16 21:20:12,048 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c1470c32/1882b1270a394f4e8a3d849b79d0c39a/FLAGb5f547ef5 [2022-03-16 21:20:12,062 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c1470c32/1882b1270a394f4e8a3d849b79d0c39a [2022-03-16 21:20:12,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 21:20:12,066 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-16 21:20:12,067 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-16 21:20:12,067 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-16 21:20:12,070 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-16 21:20:12,070 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 09:20:12" (1/1) ... [2022-03-16 21:20:12,071 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5426b4b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:20:12, skipping insertion in model container [2022-03-16 21:20:12,071 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 09:20:12" (1/1) ... [2022-03-16 21:20:12,078 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-16 21:20:12,088 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-16 21:20:12,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-16 21:20:12,237 INFO L203 MainTranslator]: Completed pre-run [2022-03-16 21:20:12,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-16 21:20:12,255 INFO L208 MainTranslator]: Completed translation [2022-03-16 21:20:12,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:20:12 WrapperNode [2022-03-16 21:20:12,256 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-16 21:20:12,257 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 21:20:12,257 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 21:20:12,257 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 21:20:12,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:20:12" (1/1) ... [2022-03-16 21:20:12,269 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:20:12" (1/1) ... [2022-03-16 21:20:12,286 INFO L137 Inliner]: procedures = 9, calls = 26, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 59 [2022-03-16 21:20:12,287 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 21:20:12,287 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 21:20:12,287 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 21:20:12,288 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 21:20:12,294 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:20:12" (1/1) ... [2022-03-16 21:20:12,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:20:12" (1/1) ... [2022-03-16 21:20:12,304 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:20:12" (1/1) ... [2022-03-16 21:20:12,305 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:20:12" (1/1) ... [2022-03-16 21:20:12,313 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:20:12" (1/1) ... [2022-03-16 21:20:12,315 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:20:12" (1/1) ... [2022-03-16 21:20:12,315 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:20:12" (1/1) ... [2022-03-16 21:20:12,316 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 21:20:12,317 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 21:20:12,317 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 21:20:12,317 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 21:20:12,320 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:20:12" (1/1) ... [2022-03-16 21:20:12,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 21:20:12,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 21:20:12,340 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) [2022-03-16 21:20:12,347 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 [2022-03-16 21:20:12,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-16 21:20:12,372 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2022-03-16 21:20:12,372 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2022-03-16 21:20:12,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 21:20:12,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 21:20:12,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-16 21:20:12,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-16 21:20:12,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-16 21:20:12,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-16 21:20:12,374 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-16 21:20:12,462 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 21:20:12,464 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 21:20:12,618 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 21:20:12,637 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 21:20:12,638 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-16 21:20:12,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 09:20:12 BoogieIcfgContainer [2022-03-16 21:20:12,639 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 21:20:12,644 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 21:20:12,644 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 21:20:12,646 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 21:20:12,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.03 09:20:12" (1/3) ... [2022-03-16 21:20:12,647 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a9c010e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 09:20:12, skipping insertion in model container [2022-03-16 21:20:12,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:20:12" (2/3) ... [2022-03-16 21:20:12,647 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a9c010e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 09:20:12, skipping insertion in model container [2022-03-16 21:20:12,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 09:20:12" (3/3) ... [2022-03-16 21:20:12,649 INFO L111 eAbstractionObserver]: Analyzing ICFG forkMultipleTimes.c [2022-03-16 21:20:12,654 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 21:20:12,655 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 21:20:12,655 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-16 21:20:12,655 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 21:20:12,706 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,707 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,707 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,707 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,707 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,708 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,708 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,708 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,708 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,708 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,708 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,708 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,709 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,709 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,709 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,709 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,709 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,709 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,710 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,710 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,710 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,710 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,710 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,710 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,710 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,711 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,711 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,711 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,711 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,711 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,711 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,711 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,712 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,712 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,712 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,712 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,712 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,712 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,712 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,712 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,713 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,713 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,713 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,713 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,713 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,713 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,713 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,714 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,714 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,714 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,714 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,714 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,714 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,714 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,715 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,715 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,715 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,715 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,715 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,715 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,715 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,716 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,716 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,716 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,716 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,716 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,716 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,716 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,716 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,717 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,717 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,717 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,717 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,717 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,717 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,717 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,717 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,718 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,718 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,718 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,718 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,718 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,718 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,718 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,719 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,719 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,724 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,724 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,724 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,724 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,734 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,736 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,738 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,738 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,738 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,738 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,738 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,740 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,741 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,741 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,741 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,741 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,741 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,741 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,742 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,742 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,742 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,742 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,742 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,743 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,743 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 21:20:12,746 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-16 21:20:12,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 21:20:12,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 21:20:12,793 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) [2022-03-16 21:20:12,795 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 [2022-03-16 21:20:12,825 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 21:20:12,830 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 [2022-03-16 21:20:12,830 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-16 21:20:13,415 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 118 transitions and produced 119 states. [2022-03-16 21:20:13,417 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 21:20:13,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 21:20:13,423 INFO L85 PathProgramCache]: Analyzing trace with hash -751608872, now seen corresponding path program 1 times [2022-03-16 21:20:13,430 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 21:20:13,430 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660184699] [2022-03-16 21:20:13,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 21:20:13,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 21:20:13,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 21:20:13,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 21:20:13,996 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 21:20:13,996 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660184699] [2022-03-16 21:20:13,997 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660184699] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 21:20:13,997 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 21:20:13,997 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-16 21:20:13,998 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232797792] [2022-03-16 21:20:13,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 21:20:14,002 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-16 21:20:14,002 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 21:20:14,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-16 21:20:14,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-03-16 21:20:14,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 21:20:14,018 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 21:20:14,018 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.7) internal successors, (67), 11 states have internal predecessors, (67), 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) [2022-03-16 21:20:14,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 21:21:04,557 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 13594 transitions and produced 13595 states. [2022-03-16 21:21:04,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-16 21:21:04,558 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-16 21:21:04,558 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 21:21:04,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 21:21:04,559 INFO L85 PathProgramCache]: Analyzing trace with hash -513943916, now seen corresponding path program 2 times [2022-03-16 21:21:04,559 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 21:21:04,560 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759063247] [2022-03-16 21:21:04,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 21:21:04,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 21:21:04,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-16 21:21:04,631 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-16 21:21:04,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-16 21:21:04,724 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-16 21:21:04,725 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-16 21:21:04,726 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-16 21:21:04,728 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-16 21:21:04,728 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-16 21:21:04,728 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-16 21:21:04,728 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-16 21:21:04,735 INFO L732 BasicCegarLoop]: Path program histogram: [2] [2022-03-16 21:21:04,739 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-16 21:21:04,739 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-16 21:21:04,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 09:21:04 BasicIcfg [2022-03-16 21:21:04,801 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-16 21:21:04,801 INFO L158 Benchmark]: Toolchain (without parser) took 52735.29ms. Allocated memory was 197.1MB in the beginning and 3.3GB in the end (delta: 3.1GB). Free memory was 140.9MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2022-03-16 21:21:04,802 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 197.1MB. Free memory is still 158.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 21:21:04,802 INFO L158 Benchmark]: CACSL2BoogieTranslator took 188.72ms. Allocated memory was 197.1MB in the beginning and 275.8MB in the end (delta: 78.6MB). Free memory was 140.7MB in the beginning and 246.4MB in the end (delta: -105.7MB). Peak memory consumption was 6.4MB. Max. memory is 8.0GB. [2022-03-16 21:21:04,802 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.09ms. Allocated memory is still 275.8MB. Free memory was 246.4MB in the beginning and 244.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-16 21:21:04,810 INFO L158 Benchmark]: Boogie Preprocessor took 29.03ms. Allocated memory is still 275.8MB. Free memory was 244.8MB in the beginning and 243.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 21:21:04,811 INFO L158 Benchmark]: RCFGBuilder took 322.43ms. Allocated memory is still 275.8MB. Free memory was 243.8MB in the beginning and 231.7MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-03-16 21:21:04,812 INFO L158 Benchmark]: TraceAbstraction took 52157.31ms. Allocated memory was 275.8MB in the beginning and 3.3GB in the end (delta: 3.1GB). Free memory was 231.2MB in the beginning and 1.8GB in the end (delta: -1.6GB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2022-03-16 21:21:04,814 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 197.1MB. Free memory is still 158.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 188.72ms. Allocated memory was 197.1MB in the beginning and 275.8MB in the end (delta: 78.6MB). Free memory was 140.7MB in the beginning and 246.4MB in the end (delta: -105.7MB). Peak memory consumption was 6.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 30.09ms. Allocated memory is still 275.8MB. Free memory was 246.4MB in the beginning and 244.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.03ms. Allocated memory is still 275.8MB. Free memory was 244.8MB in the beginning and 243.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 322.43ms. Allocated memory is still 275.8MB. Free memory was 243.8MB in the beginning and 231.7MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 52157.31ms. Allocated memory was 275.8MB in the beginning and 3.3GB in the end (delta: 3.1GB). Free memory was 231.2MB in the beginning and 1.8GB in the end (delta: -1.6GB). Peak memory consumption was 1.4GB. 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: 37]: assertion can be violated assertion can be violated We found a FailurePath: [L13] 0 int counter = 0; VAL [counter=0] [L23] 0 int val = 0; VAL [counter=0, val={6:0}] [L25] 0 pthread_t first_thread_id; VAL [counter=0, first_thread_id={7:0}, val={6:0}] [L26] 0 pthread_t second_thread_id; VAL [counter=0, first_thread_id={7:0}, second_thread_id={8:0}, val={6:0}] [L27] 0 pthread_t third_thread_id; VAL [counter=0, first_thread_id={7:0}, second_thread_id={8:0}, third_thread_id={5:0}, val={6:0}] [L29] FCALL, FORK 0 pthread_create(&first_thread_id, NULL, foo, &val) VAL [counter=0, first_thread_id={7:0}, n={6:0}, pthread_create(&first_thread_id, NULL, foo, &val)=-3, second_thread_id={8:0}, third_thread_id={5:0}, val={6:0}] [L30] FCALL, FORK 0 pthread_create(&second_thread_id, NULL, foo, &val) VAL [counter=0, first_thread_id={7:0}, n={6:0}, pthread_create(&second_thread_id, NULL, foo, &val)=-2, second_thread_id={8:0}, third_thread_id={5:0}, val={6:0}] [L31] FCALL, FORK 0 pthread_create(&third_thread_id, NULL, foo, &val) VAL [counter=0, first_thread_id={7:0}, n={6:0}, pthread_create(&third_thread_id, NULL, foo, &val)=-1, second_thread_id={8:0}, third_thread_id={5:0}, val={6:0}] [L33] 0 \read(first_thread_id) VAL [\read(first_thread_id)=-3, counter=0, first_thread_id={7:0}, n={6:0}, second_thread_id={8:0}, third_thread_id={5:0}, val={6:0}] [L16] 3 int *x = (int *)n; VAL [counter=0, n={6:0}, n={6:0}, x={6:0}] [L17] EXPR 3 ++counter VAL [++counter=1, counter=1, n={6:0}, n={6:0}, x={6:0}] [L17] 3 *x = ++counter VAL [++counter=1, counter=1, n={6:0}, n={6:0}, x={6:0}] [L18] 3 return 0; VAL [\result={0:0}, counter=1, n={6:0}, n={6:0}, x={6:0}] [L16] 2 int *x = (int *)n; VAL [\result={0:0}, counter=1, n={6:0}, n={6:0}, x={6:0}] [L17] 2 ++counter VAL [++counter=2, \result={0:0}, counter=2, n={6:0}, n={6:0}, x={6:0}] [L16] 1 int *x = (int *)n; VAL [++counter=2, \result={0:0}, counter=2, n={6:0}, n={6:0}, x={6:0}] [L17] EXPR 1 ++counter VAL [++counter=2, \result={0:0}, counter=3, n={6:0}, n={6:0}, x={6:0}] [L17] 1 *x = ++counter VAL [++counter=2, \result={0:0}, counter=3, n={6:0}, n={6:0}, x={6:0}] [L18] 2 return 0; VAL [++counter=3, \result={0:0}, counter=3, n={6:0}, n={6:0}, x={6:0}] [L18] 1 return 0; VAL [\result={0:0}, counter=3, n={6:0}, n={6:0}, x={6:0}] [L33] FCALL, JOIN 1 pthread_join(first_thread_id, NULL) VAL [\read(first_thread_id)=-3, \result={0:0}, counter=3, first_thread_id={7:0}, n={6:0}, n={6:0}, second_thread_id={8:0}, third_thread_id={5:0}, val={6:0}, x={6:0}] [L34] 0 \read(second_thread_id) VAL [\read(second_thread_id)=-2, \result={0:0}, counter=3, first_thread_id={7:0}, n={6:0}, n={6:0}, second_thread_id={8:0}, third_thread_id={5:0}, val={6:0}, x={6:0}] [L34] FCALL, JOIN 2 pthread_join(second_thread_id, NULL) VAL [\read(second_thread_id)=-2, \result={0:0}, counter=3, first_thread_id={7:0}, n={6:0}, n={6:0}, second_thread_id={8:0}, third_thread_id={5:0}, val={6:0}, x={6:0}] [L35] 0 \read(third_thread_id) VAL [\read(third_thread_id)=-1, \result={0:0}, counter=3, first_thread_id={7:0}, n={6:0}, n={6:0}, second_thread_id={8:0}, third_thread_id={5:0}, val={6:0}, x={6:0}] [L35] FCALL, JOIN 3 pthread_join(third_thread_id, NULL) VAL [\read(third_thread_id)=-1, \result={0:0}, counter=3, first_thread_id={7:0}, n={6:0}, n={6:0}, second_thread_id={8:0}, third_thread_id={5:0}, val={6:0}, x={6:0}] [L37] FCALL 0 IdentifierExpression[val] VAL [#t~mem10=2, \result={0:0}, counter=3, first_thread_id={7:0}, n={6:0}, n={6:0}, second_thread_id={8:0}, third_thread_id={5:0}, val={6:0}, x={6:0}] [L37] 0 CodeAnnotStmt[Assertion] VAL [#t~mem10=2, \result={0:0}, counter=3, first_thread_id={7:0}, n={6:0}, n={6:0}, second_thread_id={8:0}, third_thread_id={5:0}, val={6:0}, x={6:0}] - UnprovableResult [Line: 30]: 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. - UnprovableResult [Line: 31]: 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. - UnprovableResult [Line: 29]: 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 5 procedures, 97 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 51.9s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 51.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 13, 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, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 134 NumberOfCodeBlocks, 134 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 66 ConstructedInterpolants, 0 QuantifiedInterpolants, 541 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! [2022-03-16 21:21:04,842 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 [2022-03-16 21:21:05,055 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...