/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-MCRwithDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/atomic/04-if-else.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-16 09:52:43,881 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-16 09:52:43,883 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-16 09:52:43,953 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-16 09:52:43,953 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-16 09:52:43,956 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-16 09:52:43,961 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-16 09:52:43,964 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-16 09:52:43,965 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-16 09:52:43,969 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-16 09:52:43,970 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-16 09:52:43,970 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-16 09:52:43,970 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-16 09:52:43,971 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-16 09:52:43,972 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-16 09:52:43,972 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-16 09:52:43,973 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-16 09:52:43,973 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-16 09:52:43,974 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-16 09:52:43,975 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-16 09:52:43,976 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-16 09:52:43,979 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-16 09:52:43,980 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-16 09:52:43,982 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-16 09:52:43,988 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-16 09:52:43,992 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-16 09:52:43,992 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-16 09:52:43,993 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-16 09:52:43,997 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-MCRwithDepranks-Lazy.epf [2022-02-16 09:52:44,023 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-16 09:52:44,023 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-16 09:52:44,024 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-16 09:52:44,024 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-16 09:52:44,024 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-16 09:52:44,024 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-16 09:52:44,025 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-16 09:52:44,025 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-16 09:52:44,025 INFO L138 SettingsManager]: * Use SBE=true [2022-02-16 09:52:44,025 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-16 09:52:44,026 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-16 09:52:44,026 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-16 09:52:44,026 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-16 09:52:44,026 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-16 09:52:44,026 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-16 09:52:44,026 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-16 09:52:44,026 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-16 09:52:44,026 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-16 09:52:44,026 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-16 09:52:44,026 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-16 09:52:44,026 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-16 09:52:44,027 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-16 09:52:44,027 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-16 09:52:44,027 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-16 09:52:44,027 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-16 09:52:44,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 09:52:44,027 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-16 09:52:44,027 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-16 09:52:44,027 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-16 09:52:44,027 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-16 09:52:44,027 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-16 09:52:44,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-16 09:52:44,028 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-16 09:52:44,028 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-16 09:52:44,028 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-16 09:52:44,028 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-16 09:52:44,028 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-16 09:52:44,189 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-16 09:52:44,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-16 09:52:44,211 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-16 09:52:44,212 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-16 09:52:44,213 INFO L275 PluginConnector]: CDTParser initialized [2022-02-16 09:52:44,214 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/atomic/04-if-else.c [2022-02-16 09:52:44,263 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfbab8eb5/d5be6cfe8f5446fe8dd55146b4505ea1/FLAG2852d96dd [2022-02-16 09:52:44,629 INFO L306 CDTParser]: Found 1 translation units. [2022-02-16 09:52:44,630 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/atomic/04-if-else.c [2022-02-16 09:52:44,630 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2022-02-16 09:52:44,649 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfbab8eb5/d5be6cfe8f5446fe8dd55146b4505ea1/FLAG2852d96dd [2022-02-16 09:52:44,658 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfbab8eb5/d5be6cfe8f5446fe8dd55146b4505ea1 [2022-02-16 09:52:44,660 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-16 09:52:44,661 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-16 09:52:44,663 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-16 09:52:44,663 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-16 09:52:44,665 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-16 09:52:44,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 09:52:44" (1/1) ... [2022-02-16 09:52:44,666 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73bb7e31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:52:44, skipping insertion in model container [2022-02-16 09:52:44,666 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 09:52:44" (1/1) ... [2022-02-16 09:52:44,671 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-16 09:52:44,678 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-16 09:52:44,804 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-16 09:52:44,810 INFO L203 MainTranslator]: Completed pre-run [2022-02-16 09:52:44,817 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-16 09:52:44,825 INFO L208 MainTranslator]: Completed translation [2022-02-16 09:52:44,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:52:44 WrapperNode [2022-02-16 09:52:44,826 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-16 09:52:44,827 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-16 09:52:44,827 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-16 09:52:44,827 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-16 09:52:44,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:52:44" (1/1) ... [2022-02-16 09:52:44,836 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:52:44" (1/1) ... [2022-02-16 09:52:44,848 INFO L137 Inliner]: procedures = 10, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2022-02-16 09:52:44,848 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-16 09:52:44,850 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-16 09:52:44,850 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-16 09:52:44,850 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-16 09:52:44,855 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:52:44" (1/1) ... [2022-02-16 09:52:44,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:52:44" (1/1) ... [2022-02-16 09:52:44,857 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:52:44" (1/1) ... [2022-02-16 09:52:44,857 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:52:44" (1/1) ... [2022-02-16 09:52:44,862 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:52:44" (1/1) ... [2022-02-16 09:52:44,863 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:52:44" (1/1) ... [2022-02-16 09:52:44,863 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:52:44" (1/1) ... [2022-02-16 09:52:44,864 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-16 09:52:44,865 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-16 09:52:44,865 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-16 09:52:44,865 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-16 09:52:44,866 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:52:44" (1/1) ... [2022-02-16 09:52:44,882 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 09:52:44,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 09:52:44,897 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) [2022-02-16 09:52:44,898 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 [2022-02-16 09:52:44,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-16 09:52:44,925 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-16 09:52:44,926 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-16 09:52:44,926 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2022-02-16 09:52:44,926 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2022-02-16 09:52:44,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-16 09:52:44,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-16 09:52:44,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-16 09:52:44,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-16 09:52:44,927 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-16 09:52:44,969 INFO L234 CfgBuilder]: Building ICFG [2022-02-16 09:52:44,971 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-16 09:52:45,031 INFO L275 CfgBuilder]: Performing block encoding [2022-02-16 09:52:45,043 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-16 09:52:45,044 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-16 09:52:45,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 09:52:45 BoogieIcfgContainer [2022-02-16 09:52:45,045 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-16 09:52:45,046 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-16 09:52:45,046 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-16 09:52:45,050 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-16 09:52:45,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.02 09:52:44" (1/3) ... [2022-02-16 09:52:45,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b67f25a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 09:52:45, skipping insertion in model container [2022-02-16 09:52:45,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:52:44" (2/3) ... [2022-02-16 09:52:45,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b67f25a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 09:52:45, skipping insertion in model container [2022-02-16 09:52:45,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 09:52:45" (3/3) ... [2022-02-16 09:52:45,058 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-if-else.c [2022-02-16 09:52:45,062 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-16 09:52:45,062 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-16 09:52:45,062 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-16 09:52:45,062 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-16 09:52:45,091 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:52:45,091 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:52:45,091 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:52:45,092 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:52:45,092 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:52:45,092 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:52:45,092 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:52:45,092 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:52:45,092 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:52:45,093 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:52:45,093 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:52:45,093 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:52:45,095 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:52:45,096 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:52:45,096 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:52:45,096 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:52:45,097 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-16 09:52:45,142 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-16 09:52:45,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 09:52:45,147 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) [2022-02-16 09:52:45,148 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 [2022-02-16 09:52:45,184 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-16 09:52:45,190 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 [2022-02-16 09:52:45,191 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-02-16 09:52:45,231 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 23 transitions and produced 24 states. [2022-02-16 09:52:45,233 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-16 09:52:45,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 09:52:45,239 INFO L85 PathProgramCache]: Analyzing trace with hash 1903666484, now seen corresponding path program 1 times [2022-02-16 09:52:45,246 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 09:52:45,246 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886825539] [2022-02-16 09:52:45,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 09:52:45,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 09:52:45,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 09:52:45,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 09:52:45,440 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 09:52:45,440 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886825539] [2022-02-16 09:52:45,441 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886825539] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 09:52:45,441 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 09:52:45,441 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-16 09:52:45,442 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365700801] [2022-02-16 09:52:45,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 09:52:45,462 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-16 09:52:45,462 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 09:52:45,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-16 09:52:45,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-16 09:52:45,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 09:52:45,477 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 09:52:45,478 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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) [2022-02-16 09:52:45,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 09:52:45,500 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 27 transitions and produced 27 states. [2022-02-16 09:52:45,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-16 09:52:45,500 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-16 09:52:45,501 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-16 09:52:45,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 09:52:45,501 INFO L85 PathProgramCache]: Analyzing trace with hash -232560237, now seen corresponding path program 1 times [2022-02-16 09:52:45,501 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 09:52:45,502 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217681614] [2022-02-16 09:52:45,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 09:52:45,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 09:52:45,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 09:52:45,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 09:52:45,525 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 09:52:45,525 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217681614] [2022-02-16 09:52:45,525 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217681614] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 09:52:45,525 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 09:52:45,526 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-16 09:52:45,526 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037934445] [2022-02-16 09:52:45,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 09:52:45,527 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-16 09:52:45,527 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 09:52:45,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-16 09:52:45,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-16 09:52:45,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 09:52:45,528 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 09:52:45,528 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 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) [2022-02-16 09:52:45,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-16 09:52:45,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 09:52:45,557 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 56 transitions and produced 41 states. [2022-02-16 09:52:45,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-16 09:52:45,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 09:52:45,563 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (1 of 2 remaining) [2022-02-16 09:52:45,563 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-02-16 09:52:45,563 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-16 09:52:45,568 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-02-16 09:52:45,569 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-16 09:52:45,569 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-16 09:52:45,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.02 09:52:45 BasicIcfg [2022-02-16 09:52:45,571 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-16 09:52:45,571 INFO L158 Benchmark]: Toolchain (without parser) took 910.47ms. Allocated memory was 189.8MB in the beginning and 287.3MB in the end (delta: 97.5MB). Free memory was 132.0MB in the beginning and 215.8MB in the end (delta: -83.8MB). Peak memory consumption was 13.7MB. Max. memory is 8.0GB. [2022-02-16 09:52:45,571 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 189.8MB. Free memory is still 150.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-16 09:52:45,572 INFO L158 Benchmark]: CACSL2BoogieTranslator took 163.44ms. Allocated memory was 189.8MB in the beginning and 287.3MB in the end (delta: 97.5MB). Free memory was 131.9MB in the beginning and 257.7MB in the end (delta: -125.8MB). Peak memory consumption was 7.5MB. Max. memory is 8.0GB. [2022-02-16 09:52:45,572 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.39ms. Allocated memory is still 287.3MB. Free memory was 257.7MB in the beginning and 256.6MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-16 09:52:45,573 INFO L158 Benchmark]: Boogie Preprocessor took 14.46ms. Allocated memory is still 287.3MB. Free memory was 256.6MB in the beginning and 255.6MB in the end (delta: 945.2kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-16 09:52:45,573 INFO L158 Benchmark]: RCFGBuilder took 180.47ms. Allocated memory is still 287.3MB. Free memory was 255.6MB in the beginning and 245.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-02-16 09:52:45,573 INFO L158 Benchmark]: TraceAbstraction took 524.48ms. Allocated memory is still 287.3MB. Free memory was 244.6MB in the beginning and 215.8MB in the end (delta: 28.8MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. [2022-02-16 09:52:45,575 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 189.8MB. Free memory is still 150.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 163.44ms. Allocated memory was 189.8MB in the beginning and 287.3MB in the end (delta: 97.5MB). Free memory was 131.9MB in the beginning and 257.7MB in the end (delta: -125.8MB). Peak memory consumption was 7.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 21.39ms. Allocated memory is still 287.3MB. Free memory was 257.7MB in the beginning and 256.6MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 14.46ms. Allocated memory is still 287.3MB. Free memory was 256.6MB in the beginning and 255.6MB in the end (delta: 945.2kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 180.47ms. Allocated memory is still 287.3MB. Free memory was 255.6MB in the beginning and 245.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 524.48ms. Allocated memory is still 287.3MB. Free memory was 244.6MB in the beginning and 215.8MB 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: 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 - PositiveResult [Line: 37]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 37 locations, 2 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: 8, 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, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 66 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-02-16 09:52:45,600 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-02-16 09:52:45,816 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...