/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-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/pthreadExitUnsafe.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-03 18:36:12,072 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-03 18:36:12,073 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-03 18:36:12,122 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-03 18:36:12,122 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-03 18:36:12,123 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-03 18:36:12,124 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-03 18:36:12,125 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-03 18:36:12,126 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-03 18:36:12,127 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-03 18:36:12,144 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-03 18:36:12,145 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-03 18:36:12,145 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-03 18:36:12,146 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-03 18:36:12,146 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-03 18:36:12,147 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-03 18:36:12,147 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-03 18:36:12,148 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-03 18:36:12,149 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-03 18:36:12,150 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-03 18:36:12,151 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-03 18:36:12,155 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-03 18:36:12,156 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-03 18:36:12,156 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-03 18:36:12,158 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-03 18:36:12,158 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-03 18:36:12,158 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-03 18:36:12,158 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-03 18:36:12,159 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-03 18:36:12,159 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-03 18:36:12,159 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-03 18:36:12,160 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-03 18:36:12,160 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-03 18:36:12,161 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-03 18:36:12,161 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-03 18:36:12,161 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-03 18:36:12,162 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-03 18:36:12,162 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-03 18:36:12,162 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-03 18:36:12,163 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-03 18:36:12,163 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-03 18:36:12,167 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-FA-NoLbe.epf [2022-03-03 18:36:12,189 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-03 18:36:12,189 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-03 18:36:12,189 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-03 18:36:12,189 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-03 18:36:12,190 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-03 18:36:12,190 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-03 18:36:12,190 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-03 18:36:12,191 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-03 18:36:12,191 INFO L138 SettingsManager]: * Use SBE=true [2022-03-03 18:36:12,191 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-03 18:36:12,191 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-03 18:36:12,191 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-03 18:36:12,191 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-03 18:36:12,191 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-03 18:36:12,191 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-03 18:36:12,191 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-03 18:36:12,191 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-03 18:36:12,191 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-03 18:36:12,191 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-03 18:36:12,192 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-03 18:36:12,192 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-03 18:36:12,192 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-03 18:36:12,192 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-03 18:36:12,192 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-03 18:36:12,192 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-03 18:36:12,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-03 18:36:12,192 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-03 18:36:12,192 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-03 18:36:12,192 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-03 18:36:12,193 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-03 18:36:12,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-03 18:36:12,193 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-03 18:36:12,193 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-03 18:36:12,193 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-03 18:36:12,375 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-03 18:36:12,401 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-03 18:36:12,402 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-03 18:36:12,403 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-03 18:36:12,404 INFO L275 PluginConnector]: CDTParser initialized [2022-03-03 18:36:12,404 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/pthreadExitUnsafe.c [2022-03-03 18:36:12,443 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/720118e1b/1486fb4fcab54e9fb19ba143553e0abb/FLAG403d13846 [2022-03-03 18:36:12,802 INFO L306 CDTParser]: Found 1 translation units. [2022-03-03 18:36:12,803 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/pthreadExitUnsafe.c [2022-03-03 18:36:12,803 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2022-03-03 18:36:12,803 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2022-03-03 18:36:12,803 WARN L117 ultiparseSymbolTable]: System include stdbool.h could not be resolved by CDT -- only built-in system includes are available. [2022-03-03 18:36:12,824 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/720118e1b/1486fb4fcab54e9fb19ba143553e0abb/FLAG403d13846 [2022-03-03 18:36:13,242 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/720118e1b/1486fb4fcab54e9fb19ba143553e0abb [2022-03-03 18:36:13,244 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-03 18:36:13,245 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-03 18:36:13,248 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-03 18:36:13,248 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-03 18:36:13,250 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-03 18:36:13,251 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 06:36:13" (1/1) ... [2022-03-03 18:36:13,252 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20186dce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:36:13, skipping insertion in model container [2022-03-03 18:36:13,252 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 06:36:13" (1/1) ... [2022-03-03 18:36:13,257 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-03 18:36:13,266 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-03 18:36:13,391 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-03 18:36:13,396 INFO L203 MainTranslator]: Completed pre-run [2022-03-03 18:36:13,401 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-03 18:36:13,409 INFO L208 MainTranslator]: Completed translation [2022-03-03 18:36:13,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:36:13 WrapperNode [2022-03-03 18:36:13,409 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-03 18:36:13,410 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-03 18:36:13,410 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-03 18:36:13,410 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-03 18:36:13,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:36:13" (1/1) ... [2022-03-03 18:36:13,418 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:36:13" (1/1) ... [2022-03-03 18:36:13,427 INFO L137 Inliner]: procedures = 9, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24 [2022-03-03 18:36:13,428 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-03 18:36:13,428 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-03 18:36:13,428 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-03 18:36:13,428 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-03 18:36:13,433 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:36:13" (1/1) ... [2022-03-03 18:36:13,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:36:13" (1/1) ... [2022-03-03 18:36:13,434 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:36:13" (1/1) ... [2022-03-03 18:36:13,434 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:36:13" (1/1) ... [2022-03-03 18:36:13,436 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:36:13" (1/1) ... [2022-03-03 18:36:13,437 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:36:13" (1/1) ... [2022-03-03 18:36:13,438 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:36:13" (1/1) ... [2022-03-03 18:36:13,439 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-03 18:36:13,439 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-03 18:36:13,439 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-03 18:36:13,439 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-03 18:36:13,440 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:36:13" (1/1) ... [2022-03-03 18:36:13,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-03 18:36:13,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 18:36:13,459 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) [2022-03-03 18:36:13,468 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 [2022-03-03 18:36:13,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-03 18:36:13,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-03 18:36:13,494 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2022-03-03 18:36:13,494 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2022-03-03 18:36:13,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-03 18:36:13,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-03 18:36:13,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-03 18:36:13,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-03 18:36:13,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-03 18:36:13,495 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-03 18:36:13,552 INFO L234 CfgBuilder]: Building ICFG [2022-03-03 18:36:13,553 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-03 18:36:13,621 INFO L275 CfgBuilder]: Performing block encoding [2022-03-03 18:36:13,624 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-03 18:36:13,624 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-03 18:36:13,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.03 06:36:13 BoogieIcfgContainer [2022-03-03 18:36:13,625 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-03 18:36:13,626 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-03 18:36:13,626 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-03 18:36:13,629 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-03 18:36:13,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 06:36:13" (1/3) ... [2022-03-03 18:36:13,629 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fa65bf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 06:36:13, skipping insertion in model container [2022-03-03 18:36:13,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:36:13" (2/3) ... [2022-03-03 18:36:13,629 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fa65bf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 06:36:13, skipping insertion in model container [2022-03-03 18:36:13,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.03 06:36:13" (3/3) ... [2022-03-03 18:36:13,630 INFO L111 eAbstractionObserver]: Analyzing ICFG pthreadExitUnsafe.c [2022-03-03 18:36:13,633 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-03 18:36:13,633 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-03 18:36:13,633 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-03 18:36:13,634 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-03 18:36:13,648 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:36:13,648 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:36:13,649 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:36:13,649 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:36:13,649 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:36:13,649 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:36:13,649 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:36:13,649 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:36:13,650 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:36:13,650 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:36:13,650 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:36:13,650 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:36:13,656 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:36:13,656 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:36:13,656 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:36:13,656 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:36:13,660 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-03-03 18:36:13,692 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-03 18:36:13,700 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=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, 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 [2022-03-03 18:36:13,700 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-03-03 18:36:13,708 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 37 places, 35 transitions, 78 flow [2022-03-03 18:36:13,721 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 38 states, 37 states have (on average 1.5405405405405406) internal successors, (57), 37 states have internal predecessors, (57), 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) [2022-03-03 18:36:13,735 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 37 states have (on average 1.5405405405405406) internal successors, (57), 37 states have internal predecessors, (57), 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) [2022-03-03 18:36:13,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-03-03 18:36:13,739 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:36:13,739 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:36:13,740 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-03 18:36:13,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:36:13,743 INFO L85 PathProgramCache]: Analyzing trace with hash 771473344, now seen corresponding path program 1 times [2022-03-03 18:36:13,755 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:36:13,755 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214198034] [2022-03-03 18:36:13,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:36:13,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:36:13,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:36:13,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:36:13,844 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:36:13,844 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214198034] [2022-03-03 18:36:13,845 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214198034] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:36:13,845 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:36:13,845 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-03 18:36:13,846 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505931752] [2022-03-03 18:36:13,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:36:13,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-03 18:36:13,849 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:36:13,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-03 18:36:13,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-03 18:36:13,874 INFO L87 Difference]: Start difference. First operand has 38 states, 37 states have (on average 1.5405405405405406) internal successors, (57), 37 states have internal predecessors, (57), 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) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 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) [2022-03-03 18:36:13,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:36:13,891 INFO L93 Difference]: Finished difference Result 38 states and 49 transitions. [2022-03-03 18:36:13,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-03 18:36:13,892 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 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) Word has length 24 [2022-03-03 18:36:13,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:36:13,897 INFO L225 Difference]: With dead ends: 38 [2022-03-03 18:36:13,898 INFO L226 Difference]: Without dead ends: 38 [2022-03-03 18:36:13,899 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-03 18:36:13,902 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-03 18:36:13,903 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-03 18:36:13,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-03-03 18:36:13,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2022-03-03 18:36:13,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 37 states have internal predecessors, (49), 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) [2022-03-03 18:36:13,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 49 transitions. [2022-03-03 18:36:13,938 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 49 transitions. Word has length 24 [2022-03-03 18:36:13,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:36:13,938 INFO L470 AbstractCegarLoop]: Abstraction has 38 states and 49 transitions. [2022-03-03 18:36:13,939 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 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) [2022-03-03 18:36:13,939 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 49 transitions. [2022-03-03 18:36:13,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-03-03 18:36:13,940 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:36:13,941 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:36:13,941 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-03 18:36:13,941 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-03 18:36:13,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:36:13,944 INFO L85 PathProgramCache]: Analyzing trace with hash -941166398, now seen corresponding path program 1 times [2022-03-03 18:36:13,944 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:36:13,944 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384303910] [2022-03-03 18:36:13,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:36:13,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:36:13,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-03 18:36:13,978 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-03 18:36:14,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-03 18:36:14,014 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-03 18:36:14,015 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-03 18:36:14,016 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (1 of 2 remaining) [2022-03-03 18:36:14,018 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-03-03 18:36:14,018 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-03 18:36:14,022 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-03-03 18:36:14,024 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-03 18:36:14,024 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-03 18:36:14,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 06:36:14 BasicIcfg [2022-03-03 18:36:14,052 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-03 18:36:14,053 INFO L158 Benchmark]: Toolchain (without parser) took 807.54ms. Allocated memory is still 179.3MB. Free memory was 121.8MB in the beginning and 108.4MB in the end (delta: 13.4MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-03-03 18:36:14,054 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 179.3MB. Free memory is still 140.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-03 18:36:14,054 INFO L158 Benchmark]: CACSL2BoogieTranslator took 161.91ms. Allocated memory is still 179.3MB. Free memory was 121.6MB in the beginning and 149.8MB in the end (delta: -28.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-03-03 18:36:14,057 INFO L158 Benchmark]: Boogie Procedure Inliner took 17.84ms. Allocated memory is still 179.3MB. Free memory was 149.8MB in the beginning and 148.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-03 18:36:14,059 INFO L158 Benchmark]: Boogie Preprocessor took 10.74ms. Allocated memory is still 179.3MB. Free memory was 148.2MB in the beginning and 147.7MB in the end (delta: 522.2kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-03 18:36:14,061 INFO L158 Benchmark]: RCFGBuilder took 186.17ms. Allocated memory is still 179.3MB. Free memory was 147.2MB in the beginning and 137.7MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-03 18:36:14,062 INFO L158 Benchmark]: TraceAbstraction took 426.17ms. Allocated memory is still 179.3MB. Free memory was 137.2MB in the beginning and 108.4MB in the end (delta: 28.8MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. [2022-03-03 18:36:14,063 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 179.3MB. Free memory is still 140.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 161.91ms. Allocated memory is still 179.3MB. Free memory was 121.6MB in the beginning and 149.8MB in the end (delta: -28.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 17.84ms. Allocated memory is still 179.3MB. Free memory was 149.8MB in the beginning and 148.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 10.74ms. Allocated memory is still 179.3MB. Free memory was 148.2MB in the beginning and 147.7MB in the end (delta: 522.2kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 186.17ms. Allocated memory is still 179.3MB. Free memory was 147.2MB in the beginning and 137.7MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 426.17ms. Allocated memory is still 179.3MB. Free memory was 137.2MB in the beginning and 108.4MB in the end (delta: 28.8MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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: 28]: assertion can be violated assertion can be violated We found a FailurePath: [L24] 0 pthread_t th_id; VAL [th_id={2:0}] [L25] FCALL, FORK 0 pthread_create(&th_id, NULL, foo, NULL) VAL [n={0:0}, pthread_create(&th_id, NULL, foo, NULL)=-1, th_id={2:0}] [L26] 0 \read(th_id) VAL [\read(th_id)=-1, n={0:0}, th_id={2:0}] [L17] COND TRUE 1 1 VAL [n={0:0}, n={0:0}] [L26] FCALL, JOIN 1 pthread_join(th_id, NULL) VAL [\read(th_id)=-1, \result={0:0}, n={0:0}, n={0:0}, th_id={2:0}] [L28] 0 CodeAnnotStmt[Assertion] VAL [\result={0:0}, n={0:0}, n={0:0}, th_id={2:0}] - UnprovableResult [Line: 25]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 40 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 23 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 23 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! [2022-03-03 18:36:14,111 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...