/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 [2022-03-02 09:13:11,818 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-02 09:13:11,819 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-02 09:13:11,886 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-02 09:13:11,887 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-02 09:13:11,887 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-02 09:13:11,888 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-02 09:13:11,889 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-02 09:13:11,890 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-02 09:13:11,891 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-02 09:13:11,891 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-02 09:13:11,892 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-02 09:13:11,892 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-02 09:13:11,893 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-02 09:13:11,893 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-02 09:13:11,894 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-02 09:13:11,895 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-02 09:13:11,895 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-02 09:13:11,896 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-02 09:13:11,897 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-02 09:13:11,898 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-02 09:13:11,899 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-02 09:13:11,900 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-02 09:13:11,900 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-02 09:13:11,902 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-02 09:13:11,904 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-02 09:13:11,904 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-02 09:13:11,905 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-02 09:13:11,905 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-02 09:13:11,906 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-02 09:13:11,906 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-02 09:13:11,906 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-02 09:13:11,906 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-02 09:13:11,907 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-02 09:13:11,907 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-02 09:13:11,908 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-02 09:13:11,911 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks-Lazy.epf [2022-03-02 09:13:11,942 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-02 09:13:11,942 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-02 09:13:11,942 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-02 09:13:11,942 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-02 09:13:11,943 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-02 09:13:11,943 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-02 09:13:11,943 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-02 09:13:11,944 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-02 09:13:11,944 INFO L138 SettingsManager]: * Use SBE=true [2022-03-02 09:13:11,944 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-02 09:13:11,944 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-02 09:13:11,944 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-02 09:13:11,944 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-02 09:13:11,944 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-02 09:13:11,944 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-02 09:13:11,945 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-02 09:13:11,945 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-02 09:13:11,945 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-02 09:13:11,945 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-02 09:13:11,945 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-02 09:13:11,945 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-02 09:13:11,945 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-02 09:13:11,945 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-02 09:13:11,946 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-02 09:13:11,946 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-02 09:13:11,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 09:13:11,946 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-02 09:13:11,946 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-02 09:13:11,946 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-02 09:13:11,946 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-02 09:13:11,946 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-02 09:13:11,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-02 09:13:11,947 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-02 09:13:11,954 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-02 09:13:11,954 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-02 09:13:11,955 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-03-02 09:13:11,955 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-02 09:13:12,120 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-02 09:13:12,134 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-02 09:13:12,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-02 09:13:12,136 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-02 09:13:12,137 INFO L275 PluginConnector]: CDTParser initialized [2022-03-02 09:13:12,138 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/forkMultipleTimes.c [2022-03-02 09:13:12,187 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2f4169f9/a8898ae223694c05b668c737d18dd8ff/FLAG1454a61bf [2022-03-02 09:13:12,530 INFO L306 CDTParser]: Found 1 translation units. [2022-03-02 09:13:12,532 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/forkMultipleTimes.c [2022-03-02 09:13:12,532 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2022-03-02 09:13:12,533 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2022-03-02 09:13:12,560 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2f4169f9/a8898ae223694c05b668c737d18dd8ff/FLAG1454a61bf [2022-03-02 09:13:12,573 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2f4169f9/a8898ae223694c05b668c737d18dd8ff [2022-03-02 09:13:12,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-02 09:13:12,577 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-02 09:13:12,579 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-02 09:13:12,579 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-02 09:13:12,581 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-02 09:13:12,581 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.03 09:13:12" (1/1) ... [2022-03-02 09:13:12,582 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bc5f47a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 09:13:12, skipping insertion in model container [2022-03-02 09:13:12,582 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.03 09:13:12" (1/1) ... [2022-03-02 09:13:12,587 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-02 09:13:12,596 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-02 09:13:12,758 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-02 09:13:12,764 INFO L203 MainTranslator]: Completed pre-run [2022-03-02 09:13:12,781 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-02 09:13:12,793 INFO L208 MainTranslator]: Completed translation [2022-03-02 09:13:12,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 09:13:12 WrapperNode [2022-03-02 09:13:12,793 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-02 09:13:12,794 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-02 09:13:12,794 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-02 09:13:12,794 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-02 09:13:12,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 09:13:12" (1/1) ... [2022-03-02 09:13:12,805 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 09:13:12" (1/1) ... [2022-03-02 09:13:12,818 INFO L137 Inliner]: procedures = 9, calls = 26, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 59 [2022-03-02 09:13:12,819 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-02 09:13:12,819 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-02 09:13:12,819 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-02 09:13:12,819 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-02 09:13:12,825 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 09:13:12" (1/1) ... [2022-03-02 09:13:12,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 09:13:12" (1/1) ... [2022-03-02 09:13:12,826 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 09:13:12" (1/1) ... [2022-03-02 09:13:12,827 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 09:13:12" (1/1) ... [2022-03-02 09:13:12,829 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 09:13:12" (1/1) ... [2022-03-02 09:13:12,830 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 09:13:12" (1/1) ... [2022-03-02 09:13:12,830 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 09:13:12" (1/1) ... [2022-03-02 09:13:12,832 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-02 09:13:12,832 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-02 09:13:12,832 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-02 09:13:12,832 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-02 09:13:12,839 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 09:13:12" (1/1) ... [2022-03-02 09:13:12,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 09:13:12,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 09:13:12,860 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-02 09:13:12,874 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-02 09:13:12,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-02 09:13:12,888 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2022-03-02 09:13:12,888 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2022-03-02 09:13:12,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-02 09:13:12,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-02 09:13:12,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-02 09:13:12,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-02 09:13:12,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-02 09:13:12,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-02 09:13:12,890 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-02 09:13:12,942 INFO L234 CfgBuilder]: Building ICFG [2022-03-02 09:13:12,944 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-02 09:13:13,071 INFO L275 CfgBuilder]: Performing block encoding [2022-03-02 09:13:13,076 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-02 09:13:13,076 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-02 09:13:13,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 09:13:13 BoogieIcfgContainer [2022-03-02 09:13:13,078 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-02 09:13:13,079 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-02 09:13:13,079 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-02 09:13:13,082 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-02 09:13:13,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.03 09:13:12" (1/3) ... [2022-03-02 09:13:13,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7caae550 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.03 09:13:13, skipping insertion in model container [2022-03-02 09:13:13,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 09:13:12" (2/3) ... [2022-03-02 09:13:13,083 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7caae550 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.03 09:13:13, skipping insertion in model container [2022-03-02 09:13:13,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 09:13:13" (3/3) ... [2022-03-02 09:13:13,084 INFO L111 eAbstractionObserver]: Analyzing ICFG forkMultipleTimes.c [2022-03-02 09:13:13,088 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-02 09:13:13,088 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-02 09:13:13,088 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-02 09:13:13,088 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-02 09:13:13,131 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,132 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,132 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,132 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,132 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,136 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,142 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,142 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,142 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,142 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,143 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,143 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,143 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,143 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,143 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,143 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,143 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,144 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,144 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,144 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,144 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,144 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,144 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,145 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,145 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,145 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,145 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,145 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,145 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,145 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,146 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,146 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,146 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,146 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,146 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,146 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,146 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,147 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,147 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,147 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,147 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,147 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,147 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,148 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,148 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,148 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,148 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,148 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,148 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,149 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,149 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,149 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,149 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,149 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,149 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,150 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,150 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,150 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,150 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,150 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,151 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,151 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,151 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,151 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,151 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,151 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,151 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,151 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,152 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,152 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,152 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,152 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,152 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,152 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,152 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,152 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,152 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,153 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,153 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,153 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,153 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,153 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,153 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,153 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,154 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,154 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,154 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,154 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,154 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,154 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,164 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,164 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,164 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,164 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,164 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,165 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,165 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,166 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,167 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,167 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,167 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,167 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,167 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,167 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,168 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,168 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,168 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,168 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,168 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,168 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,168 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 09:13:13,172 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-02 09:13:13,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-02 09:13:13,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 09:13:13,224 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-02 09:13:13,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-03-02 09:13:13,257 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-02 09:13:13,265 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-02 09:13:13,265 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-02 09:13:13,359 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 118 transitions and produced 119 states. [2022-03-02 09:13:13,361 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 09:13:13,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 09:13:13,365 INFO L85 PathProgramCache]: Analyzing trace with hash -751608872, now seen corresponding path program 1 times [2022-03-02 09:13:13,373 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 09:13:13,374 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398336975] [2022-03-02 09:13:13,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 09:13:13,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 09:13:13,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 09:13:13,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 09:13:13,921 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 09:13:13,921 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398336975] [2022-03-02 09:13:13,922 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398336975] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-02 09:13:13,922 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-02 09:13:13,922 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-02 09:13:13,924 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728198733] [2022-03-02 09:13:13,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-02 09:13:13,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-02 09:13:13,930 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 09:13:13,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-02 09:13:13,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-03-02 09:13:13,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 09:13:13,954 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 09:13:13,955 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) [2022-03-02 09:13:13,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 09:13:16,371 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 13594 transitions and produced 13595 states. [2022-03-02 09:13:16,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-02 09:13:16,372 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-02 09:13:16,372 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 09:13:16,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 09:13:16,373 INFO L85 PathProgramCache]: Analyzing trace with hash -513943916, now seen corresponding path program 2 times [2022-03-02 09:13:16,373 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 09:13:16,373 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438256521] [2022-03-02 09:13:16,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 09:13:16,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 09:13:16,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-02 09:13:16,406 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-02 09:13:16,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-02 09:13:16,453 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-02 09:13:16,453 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-02 09:13:16,454 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-02 09:13:16,456 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-02 09:13:16,456 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-02 09:13:16,456 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-02 09:13:16,456 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-02 09:13:16,461 INFO L732 BasicCegarLoop]: Path program histogram: [2] [2022-03-02 09:13:16,465 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-02 09:13:16,466 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-02 09:13:16,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.03 09:13:16 BasicIcfg [2022-03-02 09:13:16,507 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-02 09:13:16,507 INFO L158 Benchmark]: Toolchain (without parser) took 3929.76ms. Allocated memory was 238.0MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 181.8MB in the beginning and 945.6MB in the end (delta: -763.8MB). Peak memory consumption was 506.7MB. Max. memory is 8.0GB. [2022-03-02 09:13:16,508 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 238.0MB. Free memory is still 199.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-02 09:13:16,508 INFO L158 Benchmark]: CACSL2BoogieTranslator took 215.17ms. Allocated memory is still 238.0MB. Free memory was 181.6MB in the beginning and 209.1MB in the end (delta: -27.5MB). Peak memory consumption was 10.0MB. Max. memory is 8.0GB. [2022-03-02 09:13:16,508 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.35ms. Allocated memory is still 238.0MB. Free memory was 209.1MB in the beginning and 207.6MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-02 09:13:16,509 INFO L158 Benchmark]: Boogie Preprocessor took 12.45ms. Allocated memory is still 238.0MB. Free memory was 207.6MB in the beginning and 206.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-02 09:13:16,509 INFO L158 Benchmark]: RCFGBuilder took 245.47ms. Allocated memory is still 238.0MB. Free memory was 206.5MB in the beginning and 195.5MB in the end (delta: 11.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-03-02 09:13:16,510 INFO L158 Benchmark]: TraceAbstraction took 3427.93ms. Allocated memory was 238.0MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 195.0MB in the beginning and 945.6MB in the end (delta: -750.6MB). Peak memory consumption was 520.8MB. Max. memory is 8.0GB. [2022-03-02 09:13:16,511 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 238.0MB. Free memory is still 199.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 215.17ms. Allocated memory is still 238.0MB. Free memory was 181.6MB in the beginning and 209.1MB in the end (delta: -27.5MB). Peak memory consumption was 10.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 24.35ms. Allocated memory is still 238.0MB. Free memory was 209.1MB in the beginning and 207.6MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 12.45ms. Allocated memory is still 238.0MB. Free memory was 207.6MB in the beginning and 206.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 245.47ms. Allocated memory is still 238.0MB. Free memory was 206.5MB in the beginning and 195.5MB in the end (delta: 11.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 3427.93ms. Allocated memory was 238.0MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 195.0MB in the beginning and 945.6MB in the end (delta: -750.6MB). Peak memory consumption was 520.8MB. 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: 3.2s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 2.5s, 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! [2022-03-02 09:13:16,536 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-03-02 09:13:16,779 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...