/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-4b0ab11 [2022-03-04 10:26:55,980 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-04 10:26:56,009 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-04 10:26:56,029 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-04 10:26:56,029 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-04 10:26:56,030 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-04 10:26:56,045 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-04 10:26:56,046 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-04 10:26:56,048 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-04 10:26:56,048 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-04 10:26:56,049 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-04 10:26:56,050 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-04 10:26:56,050 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-04 10:26:56,051 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-04 10:26:56,051 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-04 10:26:56,052 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-04 10:26:56,053 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-04 10:26:56,053 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-04 10:26:56,055 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-04 10:26:56,056 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-04 10:26:56,057 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-04 10:26:56,063 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-04 10:26:56,064 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-04 10:26:56,064 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-04 10:26:56,066 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-04 10:26:56,069 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-04 10:26:56,069 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-04 10:26:56,070 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-04 10:26:56,070 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-04 10:26:56,071 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-04 10:26:56,071 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-04 10:26:56,072 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-04 10:26:56,072 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-04 10:26:56,072 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-04 10:26:56,073 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-04 10:26:56,074 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-04 10:26:56,080 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 [2022-03-04 10:26:56,101 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-04 10:26:56,101 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-04 10:26:56,101 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-04 10:26:56,101 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-04 10:26:56,102 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-04 10:26:56,102 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-04 10:26:56,102 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-04 10:26:56,102 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-04 10:26:56,102 INFO L138 SettingsManager]: * Use SBE=true [2022-03-04 10:26:56,103 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-04 10:26:56,103 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-04 10:26:56,103 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-04 10:26:56,103 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-04 10:26:56,106 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-04 10:26:56,106 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-04 10:26:56,106 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-04 10:26:56,106 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-04 10:26:56,106 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-04 10:26:56,106 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-04 10:26:56,106 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-04 10:26:56,106 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-04 10:26:56,107 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-04 10:26:56,107 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-04 10:26:56,107 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-04 10:26:56,107 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-04 10:26:56,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 10:26:56,107 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-04 10:26:56,107 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-04 10:26:56,108 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-04 10:26:56,108 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-04 10:26:56,108 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-04 10:26:56,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-04 10:26:56,108 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-04 10:26:56,108 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-04 10:26:56,108 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-04 10:26:56,108 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-03-04 10:26:56,109 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-04 10:26:56,325 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-04 10:26:56,346 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-04 10:26:56,348 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-04 10:26:56,348 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-04 10:26:56,349 INFO L275 PluginConnector]: CDTParser initialized [2022-03-04 10:26:56,350 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/forkMultipleTimes.c [2022-03-04 10:26:56,405 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fece01c93/c6993cae0dea44a592e792b52407b2ef/FLAGbbd810da6 [2022-03-04 10:26:56,768 INFO L306 CDTParser]: Found 1 translation units. [2022-03-04 10:26:56,769 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/forkMultipleTimes.c [2022-03-04 10:26:56,769 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2022-03-04 10:26:56,769 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2022-03-04 10:26:56,800 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fece01c93/c6993cae0dea44a592e792b52407b2ef/FLAGbbd810da6 [2022-03-04 10:26:56,815 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fece01c93/c6993cae0dea44a592e792b52407b2ef [2022-03-04 10:26:56,817 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-04 10:26:56,819 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-04 10:26:56,822 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-04 10:26:56,822 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-04 10:26:56,824 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-04 10:26:56,825 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 10:26:56" (1/1) ... [2022-03-04 10:26:56,826 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15e82bc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:26:56, skipping insertion in model container [2022-03-04 10:26:56,826 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 10:26:56" (1/1) ... [2022-03-04 10:26:56,831 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-04 10:26:56,842 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-04 10:26:57,022 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-04 10:26:57,028 INFO L203 MainTranslator]: Completed pre-run [2022-03-04 10:26:57,038 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-04 10:26:57,048 INFO L208 MainTranslator]: Completed translation [2022-03-04 10:26:57,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:26:57 WrapperNode [2022-03-04 10:26:57,049 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-04 10:26:57,050 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-04 10:26:57,050 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-04 10:26:57,050 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-04 10:26:57,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:26:57" (1/1) ... [2022-03-04 10:26:57,063 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:26:57" (1/1) ... [2022-03-04 10:26:57,077 INFO L137 Inliner]: procedures = 9, calls = 26, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 59 [2022-03-04 10:26:57,078 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-04 10:26:57,078 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-04 10:26:57,079 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-04 10:26:57,079 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-04 10:26:57,084 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:26:57" (1/1) ... [2022-03-04 10:26:57,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:26:57" (1/1) ... [2022-03-04 10:26:57,086 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:26:57" (1/1) ... [2022-03-04 10:26:57,086 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:26:57" (1/1) ... [2022-03-04 10:26:57,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:26:57" (1/1) ... [2022-03-04 10:26:57,090 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:26:57" (1/1) ... [2022-03-04 10:26:57,091 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:26:57" (1/1) ... [2022-03-04 10:26:57,092 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-04 10:26:57,093 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-04 10:26:57,093 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-04 10:26:57,093 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-04 10:26:57,094 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:26:57" (1/1) ... [2022-03-04 10:26:57,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 10:26:57,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 10:26:57,128 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) [2022-03-04 10:26:57,135 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 [2022-03-04 10:26:57,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-04 10:26:57,165 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2022-03-04 10:26:57,165 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2022-03-04 10:26:57,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-04 10:26:57,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-04 10:26:57,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-04 10:26:57,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-04 10:26:57,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-04 10:26:57,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-04 10:26:57,167 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-04 10:26:57,226 INFO L234 CfgBuilder]: Building ICFG [2022-03-04 10:26:57,228 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-04 10:26:57,354 INFO L275 CfgBuilder]: Performing block encoding [2022-03-04 10:26:57,359 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-04 10:26:57,359 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-04 10:26:57,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 10:26:57 BoogieIcfgContainer [2022-03-04 10:26:57,360 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-04 10:26:57,361 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-04 10:26:57,361 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-04 10:26:57,373 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-04 10:26:57,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 10:26:56" (1/3) ... [2022-03-04 10:26:57,376 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@beb17c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 10:26:57, skipping insertion in model container [2022-03-04 10:26:57,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:26:57" (2/3) ... [2022-03-04 10:26:57,376 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@beb17c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 10:26:57, skipping insertion in model container [2022-03-04 10:26:57,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 10:26:57" (3/3) ... [2022-03-04 10:26:57,377 INFO L111 eAbstractionObserver]: Analyzing ICFG forkMultipleTimes.c [2022-03-04 10:26:57,381 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-04 10:26:57,381 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-04 10:26:57,381 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-04 10:26:57,381 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-04 10:26:57,431 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,431 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,431 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,438 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,439 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,439 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,439 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,439 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,440 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,440 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,440 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,440 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,440 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,440 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,440 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,440 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,441 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,441 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,441 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,441 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,441 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,442 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,442 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,442 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,442 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,442 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,442 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,442 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,443 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,443 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,443 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,443 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,443 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,443 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,443 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,444 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,444 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,444 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,444 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,444 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,444 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,444 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,445 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,445 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,445 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,445 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,445 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,445 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,446 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,446 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,446 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,446 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,446 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,446 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,446 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,446 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,447 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,447 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,447 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,447 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,447 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,447 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,447 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,448 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,448 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,448 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,448 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,448 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,448 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,448 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,448 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,449 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,449 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,449 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,449 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,449 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,449 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,449 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,450 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,450 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,450 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,450 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,450 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,450 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,451 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,451 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,451 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,451 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,451 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,451 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,455 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,456 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,456 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,456 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,456 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,456 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,456 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,458 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,458 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,458 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,459 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,459 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,459 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,459 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,460 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,460 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,460 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,460 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,460 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,461 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,461 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:26:57,465 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-04 10:26:57,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-04 10:26:57,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 10:26:57,509 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) [2022-03-04 10:26:57,510 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 [2022-03-04 10:26:57,530 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-04 10:26:57,535 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 [2022-03-04 10:26:57,535 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-04 10:26:57,618 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 118 transitions and produced 119 states. [2022-03-04 10:26:57,620 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 10:26:57,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 10:26:57,624 INFO L85 PathProgramCache]: Analyzing trace with hash -751608872, now seen corresponding path program 1 times [2022-03-04 10:26:57,630 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 10:26:57,631 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582318165] [2022-03-04 10:26:57,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 10:26:57,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 10:26:57,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 10:26:58,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 10:26:58,147 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 10:26:58,147 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582318165] [2022-03-04 10:26:58,148 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582318165] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 10:26:58,148 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 10:26:58,149 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-04 10:26:58,150 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169182512] [2022-03-04 10:26:58,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 10:26:58,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-04 10:26:58,156 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 10:26:58,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-04 10:26:58,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-03-04 10:26:58,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:26:58,178 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 10:26:58,180 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) [2022-03-04 10:26:58,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:27:00,799 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 13594 transitions and produced 13595 states. [2022-03-04 10:27:00,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 10:27:00,800 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-04 10:27:00,800 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 10:27:00,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 10:27:00,803 INFO L85 PathProgramCache]: Analyzing trace with hash -513943916, now seen corresponding path program 2 times [2022-03-04 10:27:00,803 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 10:27:00,804 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047940976] [2022-03-04 10:27:00,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 10:27:00,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 10:27:00,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-04 10:27:00,851 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-04 10:27:00,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-04 10:27:00,922 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-04 10:27:00,922 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-04 10:27:00,924 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-04 10:27:00,925 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-04 10:27:00,926 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-04 10:27:00,926 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-04 10:27:00,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-04 10:27:00,931 INFO L732 BasicCegarLoop]: Path program histogram: [2] [2022-03-04 10:27:00,934 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-04 10:27:00,934 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-04 10:27:00,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 10:27:00 BasicIcfg [2022-03-04 10:27:00,998 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-04 10:27:00,999 INFO L158 Benchmark]: Toolchain (without parser) took 4179.75ms. Allocated memory was 189.8MB in the beginning and 1.0GB in the end (delta: 846.2MB). Free memory was 137.2MB in the beginning and 605.9MB in the end (delta: -468.7MB). Peak memory consumption was 377.5MB. Max. memory is 8.0GB. [2022-03-04 10:27:00,999 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 189.8MB. Free memory is still 155.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-04 10:27:01,000 INFO L158 Benchmark]: CACSL2BoogieTranslator took 227.25ms. Allocated memory is still 189.8MB. Free memory was 137.0MB in the beginning and 164.6MB in the end (delta: -27.6MB). Peak memory consumption was 10.1MB. Max. memory is 8.0GB. [2022-03-04 10:27:01,000 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.18ms. Allocated memory is still 189.8MB. Free memory was 164.6MB in the beginning and 162.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-04 10:27:01,000 INFO L158 Benchmark]: Boogie Preprocessor took 13.51ms. Allocated memory is still 189.8MB. Free memory was 162.9MB in the beginning and 161.9MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 10:27:01,001 INFO L158 Benchmark]: RCFGBuilder took 267.50ms. Allocated memory is still 189.8MB. Free memory was 161.9MB in the beginning and 150.9MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-03-04 10:27:01,001 INFO L158 Benchmark]: TraceAbstraction took 3637.05ms. Allocated memory was 189.8MB in the beginning and 1.0GB in the end (delta: 846.2MB). Free memory was 150.7MB in the beginning and 605.9MB in the end (delta: -455.2MB). Peak memory consumption was 392.6MB. Max. memory is 8.0GB. [2022-03-04 10:27:01,012 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 189.8MB. Free memory is still 155.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 227.25ms. Allocated memory is still 189.8MB. Free memory was 137.0MB in the beginning and 164.6MB in the end (delta: -27.6MB). Peak memory consumption was 10.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 28.18ms. Allocated memory is still 189.8MB. Free memory was 164.6MB in the beginning and 162.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 13.51ms. Allocated memory is still 189.8MB. Free memory was 162.9MB in the beginning and 161.9MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 267.50ms. Allocated memory is still 189.8MB. Free memory was 161.9MB in the beginning and 150.9MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 3637.05ms. Allocated memory was 189.8MB in the beginning and 1.0GB in the end (delta: 846.2MB). Free memory was 150.7MB in the beginning and 605.9MB in the end (delta: -455.2MB). Peak memory consumption was 392.6MB. 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: 3.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 2.7s, 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, 0.1s 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! [2022-03-04 10:27:01,041 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 [2022-03-04 10:27:01,258 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...