/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-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/forkForkSimple.c


--------------------------------------------------------------------------------


This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a
[2022-02-19 03:25:05,087 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-02-19 03:25:05,088 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-02-19 03:25:05,130 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-02-19 03:25:05,130 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-02-19 03:25:05,146 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-02-19 03:25:05,149 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-02-19 03:25:05,155 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-02-19 03:25:05,157 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-02-19 03:25:05,159 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-02-19 03:25:05,159 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2022-02-19 03:25:05,160 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-02-19 03:25:05,160 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-02-19 03:25:05,161 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-02-19 03:25:05,161 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-02-19 03:25:05,162 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-02-19 03:25:05,162 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-02-19 03:25:05,163 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-02-19 03:25:05,164 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-02-19 03:25:05,165 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-02-19 03:25:05,166 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-02-19 03:25:05,171 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-02-19 03:25:05,173 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-02-19 03:25:05,174 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-02-19 03:25:05,180 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-02-19 03:25:05,180 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-02-19 03:25:05,181 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-02-19 03:25:05,181 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-02-19 03:25:05,181 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-02-19 03:25:05,182 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-02-19 03:25:05,182 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-02-19 03:25:05,182 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-02-19 03:25:05,183 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-02-19 03:25:05,183 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-02-19 03:25:05,184 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-02-19 03:25:05,184 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-02-19 03:25:05,184 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-02-19 03:25:05,185 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-02-19 03:25:05,185 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-02-19 03:25:05,185 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-02-19 03:25:05,186 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-02-19 03:25:05,189 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-NewStatesSleepPersistentFixedOrder-NoLbe.epf
[2022-02-19 03:25:05,204 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-02-19 03:25:05,204 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-02-19 03:25:05,204 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-02-19 03:25:05,205 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-02-19 03:25:05,205 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-02-19 03:25:05,205 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-02-19 03:25:05,205 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-02-19 03:25:05,206 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-02-19 03:25:05,206 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-02-19 03:25:05,206 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-02-19 03:25:05,206 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-02-19 03:25:05,206 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-02-19 03:25:05,206 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-02-19 03:25:05,206 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-02-19 03:25:05,206 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-02-19 03:25:05,206 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-02-19 03:25:05,206 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-02-19 03:25:05,206 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-02-19 03:25:05,207 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-02-19 03:25:05,207 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-02-19 03:25:05,207 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-02-19 03:25:05,207 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-02-19 03:25:05,207 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-02-19 03:25:05,207 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2022-02-19 03:25:05,207 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-02-19 03:25:05,207 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-19 03:25:05,207 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-02-19 03:25:05,207 INFO  L138        SettingsManager]:  * Construct finite automaton lazily=true
[2022-02-19 03:25:05,207 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-02-19 03:25:05,208 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-02-19 03:25:05,208 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-02-19 03:25:05,208 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-02-19 03:25:05,208 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2022-02-19 03:25:05,208 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-02-19 03:25:05,208 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-02-19 03:25:05,208 INFO  L138        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2022-02-19 03:25:05,208 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2022-02-19 03:25:05,211 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2022-02-19 03:25:05,443 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-02-19 03:25:05,464 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-02-19 03:25:05,466 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-02-19 03:25:05,466 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-02-19 03:25:05,467 INFO  L275        PluginConnector]: CDTParser initialized
[2022-02-19 03:25:05,468 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/forkForkSimple.c
[2022-02-19 03:25:05,511 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee52af060/5b78d22cbb7a485e93c70795ec4d8770/FLAGb7564fe2e
[2022-02-19 03:25:05,874 INFO  L306              CDTParser]: Found 1 translation units.
[2022-02-19 03:25:05,875 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/forkForkSimple.c
[2022-02-19 03:25:05,875 WARN  L117   ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available.
[2022-02-19 03:25:05,876 WARN  L117   ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available.
[2022-02-19 03:25:05,902 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee52af060/5b78d22cbb7a485e93c70795ec4d8770/FLAGb7564fe2e
[2022-02-19 03:25:05,914 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee52af060/5b78d22cbb7a485e93c70795ec4d8770
[2022-02-19 03:25:05,916 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-02-19 03:25:05,917 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2022-02-19 03:25:05,918 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-02-19 03:25:05,918 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-02-19 03:25:05,921 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-02-19 03:25:05,921 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 03:25:05" (1/1) ...
[2022-02-19 03:25:05,922 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@84e9986 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 03:25:05, skipping insertion in model container
[2022-02-19 03:25:05,922 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 03:25:05" (1/1) ...
[2022-02-19 03:25:05,929 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-02-19 03:25:05,942 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-02-19 03:25:06,169 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-02-19 03:25:06,194 INFO  L203         MainTranslator]: Completed pre-run
[2022-02-19 03:25:06,204 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-02-19 03:25:06,229 INFO  L208         MainTranslator]: Completed translation
[2022-02-19 03:25:06,229 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 03:25:06 WrapperNode
[2022-02-19 03:25:06,230 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-02-19 03:25:06,231 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-02-19 03:25:06,231 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-02-19 03:25:06,231 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-02-19 03:25:06,241 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 03:25:06" (1/1) ...
[2022-02-19 03:25:06,266 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 03:25:06" (1/1) ...
[2022-02-19 03:25:06,296 INFO  L137                Inliner]: procedures = 9, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20
[2022-02-19 03:25:06,296 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-02-19 03:25:06,298 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-02-19 03:25:06,298 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-02-19 03:25:06,298 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-02-19 03:25:06,303 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 03:25:06" (1/1) ...
[2022-02-19 03:25:06,303 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 03:25:06" (1/1) ...
[2022-02-19 03:25:06,311 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 03:25:06" (1/1) ...
[2022-02-19 03:25:06,312 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 03:25:06" (1/1) ...
[2022-02-19 03:25:06,328 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 03:25:06" (1/1) ...
[2022-02-19 03:25:06,329 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 03:25:06" (1/1) ...
[2022-02-19 03:25:06,330 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 03:25:06" (1/1) ...
[2022-02-19 03:25:06,331 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-02-19 03:25:06,332 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-02-19 03:25:06,332 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-02-19 03:25:06,332 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-02-19 03:25:06,333 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 03:25:06" (1/1) ...
[2022-02-19 03:25:06,338 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-19 03:25:06,343 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-19 03:25:06,386 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)
[2022-02-19 03:25:06,404 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
[2022-02-19 03:25:06,416 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2022-02-19 03:25:06,420 INFO  L130     BoogieDeclarations]: Found specification of procedure bar
[2022-02-19 03:25:06,420 INFO  L138     BoogieDeclarations]: Found implementation of procedure bar
[2022-02-19 03:25:06,420 INFO  L130     BoogieDeclarations]: Found specification of procedure foo
[2022-02-19 03:25:06,420 INFO  L138     BoogieDeclarations]: Found implementation of procedure foo
[2022-02-19 03:25:06,420 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-02-19 03:25:06,420 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-02-19 03:25:06,420 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2022-02-19 03:25:06,421 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-02-19 03:25:06,421 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-02-19 03:25:06,422 WARN  L208             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-02-19 03:25:06,481 INFO  L234             CfgBuilder]: Building ICFG
[2022-02-19 03:25:06,483 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-02-19 03:25:06,603 INFO  L275             CfgBuilder]: Performing block encoding
[2022-02-19 03:25:06,608 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-02-19 03:25:06,608 INFO  L299             CfgBuilder]: Removed 0 assume(true) statements.
[2022-02-19 03:25:06,609 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 03:25:06 BoogieIcfgContainer
[2022-02-19 03:25:06,609 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-02-19 03:25:06,611 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-02-19 03:25:06,611 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-02-19 03:25:06,623 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-02-19 03:25:06,624 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 03:25:05" (1/3) ...
[2022-02-19 03:25:06,624 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62f29105 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 03:25:06, skipping insertion in model container
[2022-02-19 03:25:06,624 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 03:25:06" (2/3) ...
[2022-02-19 03:25:06,625 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62f29105 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 03:25:06, skipping insertion in model container
[2022-02-19 03:25:06,625 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 03:25:06" (3/3) ...
[2022-02-19 03:25:06,626 INFO  L111   eAbstractionObserver]: Analyzing ICFG forkForkSimple.c
[2022-02-19 03:25:06,631 WARN  L150   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-02-19 03:25:06,632 INFO  L205   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-02-19 03:25:06,632 INFO  L164   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-02-19 03:25:06,632 INFO  L534   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-02-19 03:25:06,678 WARN  L322   ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#in~b.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,679 WARN  L322   ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#in~b.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,679 WARN  L322   ript$VariableManager]: TermVariabe barThread1of1ForFork1_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,680 WARN  L322   ript$VariableManager]: TermVariabe barThread1of1ForFork1_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,680 WARN  L322   ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#in~b.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,680 WARN  L322   ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#in~b.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,681 WARN  L322   ript$VariableManager]: TermVariabe barThread1of1ForFork1_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,681 WARN  L322   ript$VariableManager]: TermVariabe barThread1of1ForFork1_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,681 WARN  L322   ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,681 WARN  L322   ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,681 WARN  L322   ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,681 WARN  L322   ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,682 WARN  L322   ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~a.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,682 WARN  L322   ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~a.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,682 WARN  L322   ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~a.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,682 WARN  L322   ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~a.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,682 WARN  L322   ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~a.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,682 WARN  L322   ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~a.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,682 WARN  L322   ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~a.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,682 WARN  L322   ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~a.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,683 WARN  L322   ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,683 WARN  L322   ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,683 WARN  L322   ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,683 WARN  L322   ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,684 WARN  L322   ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,684 WARN  L322   ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,684 WARN  L322   ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,684 WARN  L322   ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,684 WARN  L322   ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,685 WARN  L322   ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,685 WARN  L322   ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,685 WARN  L322   ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,686 WARN  L322   ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,686 WARN  L322   ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,686 WARN  L322   ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,686 WARN  L322   ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,686 WARN  L322   ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,686 WARN  L322   ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,687 WARN  L322   ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,687 WARN  L322   ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,687 WARN  L322   ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,687 WARN  L322   ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,688 WARN  L322   ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,688 WARN  L322   ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,688 WARN  L322   ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,688 WARN  L322   ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,688 WARN  L322   ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,688 WARN  L322   ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,688 WARN  L322   ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,689 WARN  L322   ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,689 WARN  L322   ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,689 WARN  L322   ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,689 WARN  L322   ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,689 WARN  L322   ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,691 WARN  L322   ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,692 WARN  L322   ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,692 WARN  L322   ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~a.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,692 WARN  L322   ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,692 WARN  L322   ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,692 WARN  L322   ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~a.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,692 WARN  L322   ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,692 WARN  L322   ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,693 WARN  L322   ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,694 WARN  L322   ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,695 WARN  L322   ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,695 WARN  L322   ript$VariableManager]: TermVariabe barThread1of1ForFork1_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,695 WARN  L322   ript$VariableManager]: TermVariabe barThread1of1ForFork1_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,697 WARN  L322   ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,697 WARN  L322   ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,697 WARN  L322   ript$VariableManager]: TermVariabe barThread1of1ForFork1_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,697 WARN  L322   ript$VariableManager]: TermVariabe barThread1of1ForFork1_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 03:25:06,702 INFO  L148    ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions.
[2022-02-19 03:25:06,744 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-02-19 03:25:06,744 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-19 03:25:06,777 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)
[2022-02-19 03:25:06,795 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
[2022-02-19 03:25:06,805 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == fooThread1of1ForFork0 ========
[2022-02-19 03:25:06,812 INFO  L339      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true
[2022-02-19 03:25:06,812 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-02-19 03:25:06,960 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location fooThread1of1ForFork0Err2INUSE_VIOLATION (0 of 1 remaining)
[2022-02-19 03:25:06,968 INFO  L732         BasicCegarLoop]: Path program histogram: []
[2022-02-19 03:25:06,969 INFO  L309   ceAbstractionStarter]: Result for error location fooThread1of1ForFork0 was SAFE (1/2)
[2022-02-19 03:25:06,975 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-02-19 03:25:06,976 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-19 03:25:07,012 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2022-02-19 03:25:07,038 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2022-02-19 03:25:07,039 INFO  L339      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true
[2022-02-19 03:25:07,039 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2022-02-19 03:25:07,061 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process
[2022-02-19 03:25:07,076 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION] ===
[2022-02-19 03:25:07,079 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-19 03:25:07,079 INFO  L85        PathProgramCache]: Analyzing trace with hash -1524346595, now seen corresponding path program 1 times
[2022-02-19 03:25:07,087 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-19 03:25:07,087 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704779442]
[2022-02-19 03:25:07,088 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-19 03:25:07,088 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-19 03:25:07,153 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-19 03:25:07,222 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-19 03:25:07,223 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-19 03:25:07,223 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704779442]
[2022-02-19 03:25:07,224 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704779442] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-19 03:25:07,224 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-19 03:25:07,224 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-02-19 03:25:07,225 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364959116]
[2022-02-19 03:25:07,226 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-19 03:25:07,229 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-02-19 03:25:07,229 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-19 03:25:07,244 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-02-19 03:25:07,244 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-02-19 03:25:07,245 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-19 03:25:07,246 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-19 03:25:07,247 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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)
[2022-02-19 03:25:07,247 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-19 03:25:07,256 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-19 03:25:07,256 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (1 of 2 remaining)
[2022-02-19 03:25:07,257 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining)
[2022-02-19 03:25:07,257 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-02-19 03:25:07,264 INFO  L732         BasicCegarLoop]: Path program histogram: [1]
[2022-02-19 03:25:07,265 INFO  L309   ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE (2/2)
[2022-02-19 03:25:07,265 INFO  L230   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-02-19 03:25:07,265 INFO  L180   ceAbstractionStarter]: Computing trace abstraction results
[2022-02-19 03:25:07,268 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 03:25:07 BasicIcfg
[2022-02-19 03:25:07,269 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-02-19 03:25:07,269 INFO  L158              Benchmark]: Toolchain (without parser) took 1352.49ms. Allocated memory is still 185.6MB. Free memory was 129.1MB in the beginning and 110.4MB in the end (delta: 18.8MB). Peak memory consumption was 18.8MB. Max. memory is 8.0GB.
[2022-02-19 03:25:07,270 INFO  L158              Benchmark]: CDTParser took 0.11ms. Allocated memory is still 185.6MB. Free memory was 147.1MB in the beginning and 147.0MB in the end (delta: 136.4kB). There was no memory consumed. Max. memory is 8.0GB.
[2022-02-19 03:25:07,270 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 311.91ms. Allocated memory is still 185.6MB. Free memory was 128.9MB in the beginning and 156.0MB in the end (delta: -27.1MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB.
[2022-02-19 03:25:07,271 INFO  L158              Benchmark]: Boogie Procedure Inliner took 65.27ms. Allocated memory is still 185.6MB. Free memory was 156.0MB in the beginning and 154.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2022-02-19 03:25:07,271 INFO  L158              Benchmark]: Boogie Preprocessor took 33.48ms. Allocated memory is still 185.6MB. Free memory was 154.4MB in the beginning and 153.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2022-02-19 03:25:07,272 INFO  L158              Benchmark]: RCFGBuilder took 277.73ms. Allocated memory is still 185.6MB. Free memory was 153.3MB in the beginning and 143.4MB in the end (delta: 10.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB.
[2022-02-19 03:25:07,272 INFO  L158              Benchmark]: TraceAbstraction took 658.41ms. Allocated memory is still 185.6MB. Free memory was 142.9MB in the beginning and 110.4MB in the end (delta: 32.5MB). Peak memory consumption was 32.5MB. Max. memory is 8.0GB.
[2022-02-19 03:25:07,273 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.11ms. Allocated memory is still 185.6MB. Free memory was 147.1MB in the beginning and 147.0MB in the end (delta: 136.4kB). There was no memory consumed. Max. memory is 8.0GB.
 * CACSL2BoogieTranslator took 311.91ms. Allocated memory is still 185.6MB. Free memory was 128.9MB in the beginning and 156.0MB in the end (delta: -27.1MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB.
 * Boogie Procedure Inliner took 65.27ms. Allocated memory is still 185.6MB. Free memory was 156.0MB in the beginning and 154.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 33.48ms. Allocated memory is still 185.6MB. Free memory was 154.4MB in the beginning and 153.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
 * RCFGBuilder took 277.73ms. Allocated memory is still 185.6MB. Free memory was 153.3MB in the beginning and 143.4MB in the end (delta: 10.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB.
 * TraceAbstraction took 658.41ms. Allocated memory is still 185.6MB. Free memory was 142.9MB in the beginning and 110.4MB in the end (delta: 32.5MB). Peak memory consumption was 32.5MB. Max. memory is 8.0GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: Independence relation benchmarks
    ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 303, positive: 298, positive conditional: 14, positive unconditional: 284, negative: 5, negative conditional: 2, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 302, positive: 298, positive conditional: 14, positive unconditional: 284, negative: 4, negative conditional: 1, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 302, positive: 298, positive conditional: 14, positive unconditional: 284, negative: 4, negative conditional: 1, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 302, positive: 298, positive conditional: 0, positive unconditional: 298, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 302, positive: 298, positive conditional: 0, positive unconditional: 298, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 302, positive: 298, positive conditional: 0, positive unconditional: 298, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 287, positive: 284, positive conditional: 0, positive unconditional: 284, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 287, positive: 283, positive conditional: 0, positive unconditional: 283, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 63, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0]  ], Cache Queries: [ total: 302, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 287, unknown conditional: 0, unknown unconditional: 287] , Statistics on independence cache: Total cache size (in pairs): 287, Positive cache size: 284, Positive conditional cache size: 0, Positive unconditional cache size: 284, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 1
  - StatisticsResult: Persistent set benchmarks
    Persistent set computation time: 0.1s, Number of persistent set computation: 30, Number of trivial persistent sets: 20, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 287, positive: 284, positive conditional: 0, positive unconditional: 284, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 303, positive: 298, positive conditional: 14, positive unconditional: 284, negative: 5, negative conditional: 2, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 302, positive: 298, positive conditional: 14, positive unconditional: 284, negative: 4, negative conditional: 1, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 302, positive: 298, positive conditional: 14, positive unconditional: 284, negative: 4, negative conditional: 1, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 302, positive: 298, positive conditional: 0, positive unconditional: 298, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 302, positive: 298, positive conditional: 0, positive unconditional: 298, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 302, positive: 298, positive conditional: 0, positive unconditional: 298, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 287, positive: 284, positive conditional: 0, positive unconditional: 284, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 287, positive: 283, positive conditional: 0, positive unconditional: 283, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 63, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0]  ], Cache Queries: [ total: 302, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 287, unknown conditional: 0, unknown unconditional: 287] , Statistics on independence cache: Total cache size (in pairs): 287, Positive cache size: 284, Positive conditional cache size: 0, Positive unconditional cache size: 284, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 1
  - 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
  - StatisticsResult: Independence relation benchmarks
    ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 141, positive: 141, positive conditional: 6, positive unconditional: 135, 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: 141, positive: 141, positive conditional: 6, positive unconditional: 135, 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: 141, positive: 141, positive conditional: 6, positive unconditional: 135, 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: 141, positive: 141, positive conditional: 3, positive unconditional: 138, 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: 141, positive: 141, positive conditional: 1, positive unconditional: 140, 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: 141, positive: 141, positive conditional: 1, positive unconditional: 140, 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: 135, positive: 135, positive conditional: 0, positive unconditional: 135, 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: 135, positive: 134, positive conditional: 0, positive unconditional: 134, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 28, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0]  ], Cache Queries: [ total: 141, positive: 6, positive conditional: 1, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 135, unknown conditional: 0, unknown unconditional: 135] , Statistics on independence cache: Total cache size (in pairs): 135, Positive cache size: 135, Positive conditional cache size: 0, Positive unconditional cache size: 135, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 2, Maximal queried relation: 0, Independence queries for same thread: 0
  - StatisticsResult: Persistent set benchmarks
    Persistent set computation time: 0.0s, Number of persistent set computation: 17, Number of trivial persistent sets: 14, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 135, positive: 135, positive conditional: 0, positive unconditional: 135, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 141, positive: 141, positive conditional: 6, positive unconditional: 135, 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: 141, positive: 141, positive conditional: 6, positive unconditional: 135, 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: 141, positive: 141, positive conditional: 6, positive unconditional: 135, 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: 141, positive: 141, positive conditional: 3, positive unconditional: 138, 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: 141, positive: 141, positive conditional: 1, positive unconditional: 140, 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: 141, positive: 141, positive conditional: 1, positive unconditional: 140, 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: 135, positive: 135, positive conditional: 0, positive unconditional: 135, 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: 135, positive: 134, positive conditional: 0, positive unconditional: 134, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 28, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0]  ], Cache Queries: [ total: 141, positive: 6, positive conditional: 1, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 135, unknown conditional: 0, unknown unconditional: 135] , Statistics on independence cache: Total cache size (in pairs): 135, Positive cache size: 135, Positive conditional cache size: 0, Positive unconditional cache size: 135, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 2, 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
  - PositiveResult [Line: 31]: assertion always holds
    For all program executions holds that assertion always holds at this location
  - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: fooThread1of1ForFork0 with 1 thread instances
    CFG has 5 procedures, 68 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, 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: 0, 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: No data available, ReuseStatistics: No data available
  - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances
    CFG has 5 procedures, 68 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, 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, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 44 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
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2022-02-19 03:25:07,316 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0
[2022-02-19 03:25:07,503 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
[2022-02-19 03:25:07,700 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...