/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-POR-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/atomic/16-goto-outside.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-15 19:01:11,823 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-15 19:01:11,825 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-15 19:01:11,882 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-15 19:01:11,882 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-15 19:01:11,883 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-15 19:01:11,884 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-15 19:01:11,885 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-15 19:01:11,887 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-15 19:01:11,887 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-15 19:01:11,888 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-15 19:01:11,889 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-15 19:01:11,889 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-15 19:01:11,889 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-15 19:01:11,890 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-15 19:01:11,891 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-15 19:01:11,891 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-15 19:01:11,892 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-15 19:01:11,893 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-15 19:01:11,894 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-15 19:01:11,895 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-15 19:01:11,902 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-15 19:01:11,904 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-15 19:01:11,905 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-15 19:01:11,912 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-15 19:01:11,912 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-15 19:01:11,913 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-15 19:01:11,913 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-15 19:01:11,913 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-15 19:01:11,914 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-15 19:01:11,914 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-15 19:01:11,914 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-15 19:01:11,915 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-15 19:01:11,915 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-15 19:01:11,916 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-15 19:01:11,916 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-15 19:01:11,916 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-15 19:01:11,917 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-15 19:01:11,917 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-15 19:01:11,917 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-15 19:01:11,918 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-15 19:01:11,921 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-POR-NewStatesSleep-NoLbe.epf [2022-02-15 19:01:11,938 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-15 19:01:11,939 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-15 19:01:11,939 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-15 19:01:11,939 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-15 19:01:11,940 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-15 19:01:11,940 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-15 19:01:11,940 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-15 19:01:11,940 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-15 19:01:11,940 INFO L138 SettingsManager]: * Use SBE=true [2022-02-15 19:01:11,940 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-15 19:01:11,941 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-15 19:01:11,941 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-15 19:01:11,941 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-15 19:01:11,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-15 19:01:11,941 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-15 19:01:11,941 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-15 19:01:11,941 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-15 19:01:11,942 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-15 19:01:11,942 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-15 19:01:11,942 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-15 19:01:11,942 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-15 19:01:11,942 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-15 19:01:11,942 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-15 19:01:11,942 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-15 19:01:11,943 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-15 19:01:11,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 19:01:11,943 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-15 19:01:11,943 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-15 19:01:11,943 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-15 19:01:11,943 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-15 19:01:11,943 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-15 19:01:11,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-15 19:01:11,944 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-15 19:01:11,944 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-15 19:01:11,944 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-15 19:01:11,944 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-02-15 19:01:11,944 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-15 19:01:12,120 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-15 19:01:12,137 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-15 19:01:12,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-15 19:01:12,139 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-15 19:01:12,139 INFO L275 PluginConnector]: CDTParser initialized [2022-02-15 19:01:12,140 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/atomic/16-goto-outside.c [2022-02-15 19:01:12,189 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36fc4cf3a/e067273a6eb649b9b0b990790b20cde4/FLAG1f5eb902c [2022-02-15 19:01:12,543 INFO L306 CDTParser]: Found 1 translation units. [2022-02-15 19:01:12,544 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/atomic/16-goto-outside.c [2022-02-15 19:01:12,544 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2022-02-15 19:01:12,570 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36fc4cf3a/e067273a6eb649b9b0b990790b20cde4/FLAG1f5eb902c [2022-02-15 19:01:12,976 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36fc4cf3a/e067273a6eb649b9b0b990790b20cde4 [2022-02-15 19:01:12,978 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-15 19:01:12,979 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-15 19:01:12,992 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-15 19:01:12,992 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-15 19:01:12,994 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-15 19:01:12,995 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 07:01:12" (1/1) ... [2022-02-15 19:01:12,996 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1af1a2cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:01:12, skipping insertion in model container [2022-02-15 19:01:12,996 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 07:01:12" (1/1) ... [2022-02-15 19:01:13,001 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-15 19:01:13,017 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-15 19:01:13,155 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 19:01:13,161 INFO L203 MainTranslator]: Completed pre-run [2022-02-15 19:01:13,170 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 19:01:13,179 INFO L208 MainTranslator]: Completed translation [2022-02-15 19:01:13,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:01:13 WrapperNode [2022-02-15 19:01:13,180 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-15 19:01:13,180 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-15 19:01:13,181 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-15 19:01:13,181 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-15 19:01:13,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:01:13" (1/1) ... [2022-02-15 19:01:13,204 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:01:13" (1/1) ... [2022-02-15 19:01:13,214 INFO L137 Inliner]: procedures = 10, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24 [2022-02-15 19:01:13,214 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-15 19:01:13,214 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-15 19:01:13,215 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-15 19:01:13,215 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-15 19:01:13,220 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:01:13" (1/1) ... [2022-02-15 19:01:13,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:01:13" (1/1) ... [2022-02-15 19:01:13,222 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:01:13" (1/1) ... [2022-02-15 19:01:13,222 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:01:13" (1/1) ... [2022-02-15 19:01:13,227 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:01:13" (1/1) ... [2022-02-15 19:01:13,228 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:01:13" (1/1) ... [2022-02-15 19:01:13,232 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:01:13" (1/1) ... [2022-02-15 19:01:13,233 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-15 19:01:13,234 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-15 19:01:13,234 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-15 19:01:13,234 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-15 19:01:13,235 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:01:13" (1/1) ... [2022-02-15 19:01:13,241 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 19:01:13,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 19:01:13,292 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) [2022-02-15 19:01:13,297 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 [2022-02-15 19:01:13,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-15 19:01:13,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-15 19:01:13,330 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-15 19:01:13,330 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2022-02-15 19:01:13,330 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2022-02-15 19:01:13,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-15 19:01:13,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-15 19:01:13,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-15 19:01:13,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-15 19:01:13,334 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-15 19:01:13,376 INFO L234 CfgBuilder]: Building ICFG [2022-02-15 19:01:13,377 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-15 19:01:13,438 INFO L275 CfgBuilder]: Performing block encoding [2022-02-15 19:01:13,456 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-15 19:01:13,457 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-15 19:01:13,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 07:01:13 BoogieIcfgContainer [2022-02-15 19:01:13,458 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-15 19:01:13,459 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-15 19:01:13,459 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-15 19:01:13,461 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-15 19:01:13,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 07:01:12" (1/3) ... [2022-02-15 19:01:13,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f7ce336 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 07:01:13, skipping insertion in model container [2022-02-15 19:01:13,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:01:13" (2/3) ... [2022-02-15 19:01:13,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f7ce336 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 07:01:13, skipping insertion in model container [2022-02-15 19:01:13,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 07:01:13" (3/3) ... [2022-02-15 19:01:13,463 INFO L111 eAbstractionObserver]: Analyzing ICFG 16-goto-outside.c [2022-02-15 19:01:13,466 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-15 19:01:13,466 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-15 19:01:13,466 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-15 19:01:13,466 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-15 19:01:13,493 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 19:01:13,493 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 19:01:13,493 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 19:01:13,494 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 19:01:13,494 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 19:01:13,494 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 19:01:13,494 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 19:01:13,494 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 19:01:13,495 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 19:01:13,495 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 19:01:13,495 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 19:01:13,495 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 19:01:13,497 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 19:01:13,498 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 19:01:13,498 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 19:01:13,498 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 19:01:13,499 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-15 19:01:13,540 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-15 19:01:13,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 19:01:13,542 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) [2022-02-15 19:01:13,543 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 [2022-02-15 19:01:13,567 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-15 19:01:13,573 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 [2022-02-15 19:01:13,573 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-15 19:01:13,602 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting fooErr0ASSERT_VIOLATIONASSERT === [fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT] === [2022-02-15 19:01:13,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 19:01:13,608 INFO L85 PathProgramCache]: Analyzing trace with hash 251169536, now seen corresponding path program 1 times [2022-02-15 19:01:13,616 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 19:01:13,617 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142192912] [2022-02-15 19:01:13,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 19:01:13,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 19:01:13,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 19:01:13,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:01:13,797 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 19:01:13,797 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142192912] [2022-02-15 19:01:13,797 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142192912] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 19:01:13,798 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 19:01:13,798 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-15 19:01:13,799 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499774893] [2022-02-15 19:01:13,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 19:01:13,802 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-15 19:01:13,802 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 19:01:13,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-15 19:01:13,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-15 19:01:13,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:01:13,854 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 19:01:13,855 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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) [2022-02-15 19:01:13,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:01:13,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 19:01:13,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-15 19:01:13,895 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting fooErr0ASSERT_VIOLATIONASSERT === [fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT] === [2022-02-15 19:01:13,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 19:01:13,896 INFO L85 PathProgramCache]: Analyzing trace with hash 555321443, now seen corresponding path program 1 times [2022-02-15 19:01:13,896 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 19:01:13,896 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452079183] [2022-02-15 19:01:13,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 19:01:13,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 19:01:13,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-15 19:01:13,918 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-15 19:01:13,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-15 19:01:13,940 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-15 19:01:13,941 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-15 19:01:13,942 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location fooErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2022-02-15 19:01:13,943 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location fooErr0ASSERT_VIOLATIONASSERT (1 of 3 remaining) [2022-02-15 19:01:13,943 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 3 remaining) [2022-02-15 19:01:13,943 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-15 19:01:13,948 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-02-15 19:01:13,956 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-15 19:01:13,956 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-15 19:01:13,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 07:01:13 BasicIcfg [2022-02-15 19:01:13,969 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-15 19:01:13,970 INFO L158 Benchmark]: Toolchain (without parser) took 990.41ms. Allocated memory was 154.1MB in the beginning and 208.7MB in the end (delta: 54.5MB). Free memory was 94.7MB in the beginning and 139.1MB in the end (delta: -44.4MB). Peak memory consumption was 9.9MB. Max. memory is 8.0GB. [2022-02-15 19:01:13,970 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 154.1MB. Free memory is still 112.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-15 19:01:13,970 INFO L158 Benchmark]: CACSL2BoogieTranslator took 188.24ms. Allocated memory was 154.1MB in the beginning and 208.7MB in the end (delta: 54.5MB). Free memory was 94.6MB in the beginning and 181.0MB in the end (delta: -86.5MB). Peak memory consumption was 8.1MB. Max. memory is 8.0GB. [2022-02-15 19:01:13,971 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.59ms. Allocated memory is still 208.7MB. Free memory was 181.0MB in the beginning and 179.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-15 19:01:13,971 INFO L158 Benchmark]: Boogie Preprocessor took 18.62ms. Allocated memory is still 208.7MB. Free memory was 179.5MB in the beginning and 178.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-15 19:01:13,971 INFO L158 Benchmark]: RCFGBuilder took 224.26ms. Allocated memory is still 208.7MB. Free memory was 178.4MB in the beginning and 167.4MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-02-15 19:01:13,972 INFO L158 Benchmark]: TraceAbstraction took 509.91ms. Allocated memory is still 208.7MB. Free memory was 166.9MB in the beginning and 139.1MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2022-02-15 19:01:13,974 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 154.1MB. Free memory is still 112.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 188.24ms. Allocated memory was 154.1MB in the beginning and 208.7MB in the end (delta: 54.5MB). Free memory was 94.6MB in the beginning and 181.0MB in the end (delta: -86.5MB). Peak memory consumption was 8.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 33.59ms. Allocated memory is still 208.7MB. Free memory was 181.0MB in the beginning and 179.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.62ms. Allocated memory is still 208.7MB. Free memory was 179.5MB in the beginning and 178.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 224.26ms. Allocated memory is still 208.7MB. Free memory was 178.4MB in the beginning and 167.4MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 509.91ms. Allocated memory is still 208.7MB. Free memory was 166.9MB in the beginning and 139.1MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 24, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 24, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24, positive: 23, positive conditional: 13, positive unconditional: 10, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 24, positive: 23, positive conditional: 6, positive unconditional: 17, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 24, positive: 23, positive conditional: 6, positive unconditional: 17, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 15, positive: 14, positive conditional: 5, positive unconditional: 9, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 15, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 22, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 24, positive: 9, positive conditional: 1, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 15, unknown conditional: 5, unknown unconditional: 10] , Statistics on independence cache: Total cache size (in pairs): 15, Positive cache size: 14, Positive conditional cache size: 5, Positive unconditional cache size: 9, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Eliminated conditions: 7, Maximal queried relation: 0, 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: 19]: assertion can be violated assertion can be violated We found a FailurePath: [L15] 0 int x = 0; VAL [x=0] [L16] 0 int y; VAL [x=0, y=0] [L24] 0 pthread_t threadId; VAL [threadId={2:0}, x=0, y=0] [L25] FCALL, FORK 0 pthread_create(&threadId, NULL, & foo, NULL) VAL [arg={0:0}, pthread_create(&threadId, NULL, & foo, NULL)=-1, threadId={2:0}, x=0, y=0] [L28] 0 x = x + 1 [L29] COND TRUE 0 x != y VAL [arg={0:0}, threadId={2:0}, x=1, y=0] [L19] 1 CodeAnnotStmt[Assertion] VAL [arg={0:0}, arg={0:0}, x=1, y=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, 38 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 39 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! [2022-02-15 19:01:14,023 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 [2022-02-15 19:01:14,214 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...