/usr/bin/java -Xmx16000000000 -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-DelaySleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe018_tso.opt.i


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


This is Ultimate 0.2.1-98707888a4ba860d5b57d27ee0e051c5b948cbbf-9870788
[2021-06-02 06:34:17,936 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-06-02 06:34:17,937 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-06-02 06:34:17,954 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-06-02 06:34:17,955 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-06-02 06:34:17,956 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-06-02 06:34:17,956 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-06-02 06:34:17,958 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-06-02 06:34:17,958 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-06-02 06:34:17,959 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-06-02 06:34:17,976 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-06-02 06:34:17,978 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-06-02 06:34:17,978 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-06-02 06:34:17,982 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-06-02 06:34:17,983 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-06-02 06:34:17,986 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-06-02 06:34:17,987 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-06-02 06:34:17,987 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-06-02 06:34:17,990 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-06-02 06:34:17,995 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-06-02 06:34:17,996 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-06-02 06:34:17,997 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-06-02 06:34:17,997 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-06-02 06:34:17,999 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-06-02 06:34:18,002 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-06-02 06:34:18,003 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-06-02 06:34:18,003 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-06-02 06:34:18,004 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-06-02 06:34:18,004 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-06-02 06:34:18,005 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-06-02 06:34:18,005 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-06-02 06:34:18,005 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-06-02 06:34:18,006 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-06-02 06:34:18,007 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-06-02 06:34:18,007 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-06-02 06:34:18,007 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-06-02 06:34:18,008 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-06-02 06:34:18,008 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-06-02 06:34:18,008 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-06-02 06:34:18,009 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-06-02 06:34:18,009 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-06-02 06:34:18,009 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-DelaySleepPersistent-NoLbe.epf
[2021-06-02 06:34:18,037 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-06-02 06:34:18,038 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-06-02 06:34:18,038 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-06-02 06:34:18,038 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-06-02 06:34:18,040 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-06-02 06:34:18,040 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-06-02 06:34:18,040 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-06-02 06:34:18,040 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-06-02 06:34:18,040 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-06-02 06:34:18,040 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-06-02 06:34:18,041 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-06-02 06:34:18,041 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-06-02 06:34:18,041 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-06-02 06:34:18,041 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-06-02 06:34:18,041 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-06-02 06:34:18,041 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-06-02 06:34:18,042 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-06-02 06:34:18,042 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-06-02 06:34:18,042 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-06-02 06:34:18,042 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-06-02 06:34:18,042 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-06-02 06:34:18,042 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2021-06-02 06:34:18,042 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-06-02 06:34:18,042 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-06-02 06:34:18,042 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-06-02 06:34:18,042 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-06-02 06:34:18,042 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-06-02 06:34:18,042 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-06-02 06:34:18,043 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-06-02 06:34:18,043 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2021-06-02 06:34:18,043 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2021-06-02 06:34:18,043 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-06-02 06:34:18,043 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_DELAY_SET
[2021-06-02 06:34:18,043 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-06-02 06:34:18,274 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-06-02 06:34:18,287 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-06-02 06:34:18,289 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-06-02 06:34:18,289 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-06-02 06:34:18,290 INFO  L275        PluginConnector]: CDTParser initialized
[2021-06-02 06:34:18,290 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe018_tso.opt.i
[2021-06-02 06:34:18,336 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33bb598aa/d41e1a57c67f4e22ae2bc515eea608ac/FLAG2f07f7dab
[2021-06-02 06:34:18,794 INFO  L306              CDTParser]: Found 1 translation units.
[2021-06-02 06:34:18,794 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe018_tso.opt.i
[2021-06-02 06:34:18,811 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33bb598aa/d41e1a57c67f4e22ae2bc515eea608ac/FLAG2f07f7dab
[2021-06-02 06:34:18,824 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33bb598aa/d41e1a57c67f4e22ae2bc515eea608ac
[2021-06-02 06:34:18,826 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-06-02 06:34:18,827 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2021-06-02 06:34:18,829 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-06-02 06:34:18,829 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-06-02 06:34:18,831 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-06-02 06:34:18,832 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.06 06:34:18" (1/1) ...
[2021-06-02 06:34:18,833 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50b03bec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:34:18, skipping insertion in model container
[2021-06-02 06:34:18,833 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.06 06:34:18" (1/1) ...
[2021-06-02 06:34:18,837 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-06-02 06:34:18,874 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-06-02 06:34:19,036 WARN  L224   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe018_tso.opt.i[949,962]
[2021-06-02 06:34:19,165 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-06-02 06:34:19,170 INFO  L203         MainTranslator]: Completed pre-run
[2021-06-02 06:34:19,178 WARN  L224   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe018_tso.opt.i[949,962]
[2021-06-02 06:34:19,215 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-06-02 06:34:19,264 INFO  L208         MainTranslator]: Completed translation
[2021-06-02 06:34:19,265 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:34:19 WrapperNode
[2021-06-02 06:34:19,265 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-06-02 06:34:19,266 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-06-02 06:34:19,266 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-06-02 06:34:19,266 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-06-02 06:34:19,271 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:34:19" (1/1) ...
[2021-06-02 06:34:19,292 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:34:19" (1/1) ...
[2021-06-02 06:34:19,309 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-06-02 06:34:19,310 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-06-02 06:34:19,310 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-06-02 06:34:19,310 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-06-02 06:34:19,316 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:34:19" (1/1) ...
[2021-06-02 06:34:19,316 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:34:19" (1/1) ...
[2021-06-02 06:34:19,324 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:34:19" (1/1) ...
[2021-06-02 06:34:19,324 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:34:19" (1/1) ...
[2021-06-02 06:34:19,333 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:34:19" (1/1) ...
[2021-06-02 06:34:19,334 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:34:19" (1/1) ...
[2021-06-02 06:34:19,335 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:34:19" (1/1) ...
[2021-06-02 06:34:19,336 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-06-02 06:34:19,337 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-06-02 06:34:19,337 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-06-02 06:34:19,337 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-06-02 06:34:19,338 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:34:19" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-06-02 06:34:19,395 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2021-06-02 06:34:19,396 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2021-06-02 06:34:19,396 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-06-02 06:34:19,397 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-06-02 06:34:19,397 INFO  L130     BoogieDeclarations]: Found specification of procedure P0
[2021-06-02 06:34:19,397 INFO  L138     BoogieDeclarations]: Found implementation of procedure P0
[2021-06-02 06:34:19,397 INFO  L130     BoogieDeclarations]: Found specification of procedure P1
[2021-06-02 06:34:19,397 INFO  L138     BoogieDeclarations]: Found implementation of procedure P1
[2021-06-02 06:34:19,397 INFO  L130     BoogieDeclarations]: Found specification of procedure P2
[2021-06-02 06:34:19,397 INFO  L138     BoogieDeclarations]: Found implementation of procedure P2
[2021-06-02 06:34:19,397 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-06-02 06:34:19,397 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2021-06-02 06:34:19,397 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-06-02 06:34:19,398 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-06-02 06:34:19,398 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-06-02 06:34:19,734 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-06-02 06:34:19,734 INFO  L299             CfgBuilder]: Removed 8 assume(true) statements.
[2021-06-02 06:34:19,736 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 06:34:19 BoogieIcfgContainer
[2021-06-02 06:34:19,736 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-06-02 06:34:19,738 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-06-02 06:34:19,738 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-06-02 06:34:19,739 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-06-02 06:34:19,740 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.06 06:34:18" (1/3) ...
[2021-06-02 06:34:19,741 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fb81bae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.06 06:34:19, skipping insertion in model container
[2021-06-02 06:34:19,741 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:34:19" (2/3) ...
[2021-06-02 06:34:19,741 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fb81bae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.06 06:34:19, skipping insertion in model container
[2021-06-02 06:34:19,741 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 06:34:19" (3/3) ...
[2021-06-02 06:34:19,742 INFO  L111   eAbstractionObserver]: Analyzing ICFG safe018_tso.opt.i
[2021-06-02 06:34:19,746 WARN  L148   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2021-06-02 06:34:19,746 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-06-02 06:34:19,747 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-06-02 06:34:19,747 INFO  L471   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-06-02 06:34:19,773 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:34:19,773 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:34:19,773 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:34:19,773 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:34:19,773 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:34:19,774 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:34:19,774 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:34:19,774 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:34:19,774 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:34:19,774 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:34:19,774 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:34:19,774 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:34:19,777 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:34:19,777 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:34:19,777 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:34:19,777 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:34:19,778 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:34:19,778 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:34:19,779 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:34:19,779 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:34:19,779 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:34:19,779 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:34:19,780 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:34:19,780 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:34:19,783 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:34:19,783 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:34:19,783 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:34:19,783 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:34:19,783 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:34:19,784 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:34:19,784 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:34:19,784 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:34:19,784 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:34:19,784 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:34:19,784 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:34:19,785 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:34:19,786 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:34:19,786 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:34:19,786 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:34:19,786 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:34:19,790 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:34:19,790 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:34:19,790 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:34:19,790 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:34:19,792 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:34:19,792 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:34:19,792 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:34:19,792 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:34:19,794 INFO  L149    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2021-06-02 06:34:19,808 INFO  L255      AbstractCegarLoop]: Starting to check reachability of 4 error locations.
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2021-06-02 06:34:19,843 INFO  L378      AbstractCegarLoop]: Interprodecural is true
[2021-06-02 06:34:19,844 INFO  L379      AbstractCegarLoop]: Hoare is false
[2021-06-02 06:34:19,844 INFO  L380      AbstractCegarLoop]: Compute interpolants for FPandBP
[2021-06-02 06:34:19,844 INFO  L381      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-06-02 06:34:19,844 INFO  L382      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-06-02 06:34:19,844 INFO  L383      AbstractCegarLoop]: Difference is false
[2021-06-02 06:34:19,844 INFO  L384      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-06-02 06:34:19,844 INFO  L388      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start========
[2021-06-02 06:34:19,978 INFO  L430      AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-02 06:34:19,981 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-02 06:34:19,981 INFO  L82        PathProgramCache]: Analyzing trace with hash 1924556435, now seen corresponding path program 1 times
[2021-06-02 06:34:19,987 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-02 06:34:19,987 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85690242]
[2021-06-02 06:34:19,987 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-02 06:34:20,069 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-02 06:34:20,228 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-02 06:34:20,229 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-02 06:34:20,229 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85690242]
[2021-06-02 06:34:20,230 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85690242] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-02 06:34:20,230 INFO  L226   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-02 06:34:20,230 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2021-06-02 06:34:20,231 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259997297]
[2021-06-02 06:34:20,234 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 6 states
[2021-06-02 06:34:20,234 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-02 06:34:20,244 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-06-02 06:34:20,246 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2021-06-02 06:34:20,246 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-06-02 06:34:20,247 INFO  L482      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-06-02 06:34:20,248 INFO  L483      AbstractCegarLoop]: Interpolant automaton has  has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-02 06:34:20,248 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-06-02 06:34:20,419 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-06-02 06:34:20,420 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-06-02 06:34:20,420 INFO  L430      AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-02 06:34:20,420 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-02 06:34:20,420 INFO  L82        PathProgramCache]: Analyzing trace with hash 932867412, now seen corresponding path program 1 times
[2021-06-02 06:34:20,420 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-02 06:34:20,420 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702715973]
[2021-06-02 06:34:20,421 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-02 06:34:20,440 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-02 06:34:20,512 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-02 06:34:20,512 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-02 06:34:20,512 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702715973]
[2021-06-02 06:34:20,512 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702715973] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-02 06:34:20,512 INFO  L226   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-02 06:34:20,512 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2021-06-02 06:34:20,513 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732559300]
[2021-06-02 06:34:20,513 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 6 states
[2021-06-02 06:34:20,514 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-02 06:34:20,514 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-06-02 06:34:20,514 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2021-06-02 06:34:20,514 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-06-02 06:34:20,514 INFO  L482      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-06-02 06:34:20,515 INFO  L483      AbstractCegarLoop]: Interpolant automaton has  has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 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)
[2021-06-02 06:34:20,515 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-06-02 06:34:20,515 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-06-02 06:34:20,623 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-06-02 06:34:20,624 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-06-02 06:34:20,624 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-06-02 06:34:20,624 INFO  L430      AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-02 06:34:20,625 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-02 06:34:20,625 INFO  L82        PathProgramCache]: Analyzing trace with hash -1428396848, now seen corresponding path program 1 times
[2021-06-02 06:34:20,625 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-02 06:34:20,625 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376562818]
[2021-06-02 06:34:20,625 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-02 06:34:20,662 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-02 06:34:20,761 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-02 06:34:20,762 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-02 06:34:20,762 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376562818]
[2021-06-02 06:34:20,762 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376562818] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-02 06:34:20,762 INFO  L226   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-02 06:34:20,762 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-06-02 06:34:20,762 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899097140]
[2021-06-02 06:34:20,763 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 7 states
[2021-06-02 06:34:20,763 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-02 06:34:20,763 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-06-02 06:34:20,763 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2021-06-02 06:34:20,763 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-06-02 06:34:20,763 INFO  L482      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-06-02 06:34:20,763 INFO  L483      AbstractCegarLoop]: Interpolant automaton has  has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 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)
[2021-06-02 06:34:20,763 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-06-02 06:34:20,764 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-06-02 06:34:20,764 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-06-02 06:34:20,884 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-06-02 06:34:20,884 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-06-02 06:34:20,885 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-06-02 06:34:20,885 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-06-02 06:34:20,885 INFO  L430      AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-02 06:34:20,885 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-02 06:34:20,885 INFO  L82        PathProgramCache]: Analyzing trace with hash 490142851, now seen corresponding path program 1 times
[2021-06-02 06:34:20,885 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-02 06:34:20,886 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820033843]
[2021-06-02 06:34:20,886 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-02 06:34:20,898 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-02 06:34:20,947 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-02 06:34:20,947 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-02 06:34:20,947 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820033843]
[2021-06-02 06:34:20,947 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820033843] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-02 06:34:20,947 INFO  L226   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-02 06:34:20,947 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2021-06-02 06:34:20,947 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138587628]
[2021-06-02 06:34:20,948 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 6 states
[2021-06-02 06:34:20,948 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-02 06:34:20,948 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-06-02 06:34:20,948 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2021-06-02 06:34:20,948 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-06-02 06:34:20,948 INFO  L482      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-06-02 06:34:20,949 INFO  L483      AbstractCegarLoop]: Interpolant automaton has  has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 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)
[2021-06-02 06:34:20,949 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-06-02 06:34:20,949 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-06-02 06:34:20,949 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-06-02 06:34:20,949 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-06-02 06:34:21,141 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-06-02 06:34:21,141 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-06-02 06:34:21,141 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2021-06-02 06:34:21,142 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-06-02 06:34:21,142 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-06-02 06:34:21,142 INFO  L430      AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-02 06:34:21,142 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-02 06:34:21,142 INFO  L82        PathProgramCache]: Analyzing trace with hash 1714268054, now seen corresponding path program 1 times
[2021-06-02 06:34:21,142 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-02 06:34:21,142 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797276177]
[2021-06-02 06:34:21,143 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-02 06:34:21,153 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-02 06:34:21,227 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-02 06:34:21,228 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-02 06:34:21,228 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797276177]
[2021-06-02 06:34:21,228 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797276177] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-02 06:34:21,228 INFO  L226   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-02 06:34:21,228 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-06-02 06:34:21,228 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774882868]
[2021-06-02 06:34:21,228 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 7 states
[2021-06-02 06:34:21,229 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-02 06:34:21,229 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-06-02 06:34:21,229 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2021-06-02 06:34:21,229 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-06-02 06:34:21,229 INFO  L482      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-06-02 06:34:21,229 INFO  L483      AbstractCegarLoop]: Interpolant automaton has  has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 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)
[2021-06-02 06:34:21,229 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-06-02 06:34:21,229 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-06-02 06:34:21,229 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2021-06-02 06:34:21,230 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-06-02 06:34:21,230 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-06-02 06:34:21,412 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-06-02 06:34:21,412 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-06-02 06:34:21,412 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2021-06-02 06:34:21,412 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-06-02 06:34:21,412 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-06-02 06:34:21,412 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-06-02 06:34:21,412 INFO  L430      AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-02 06:34:21,413 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-02 06:34:21,413 INFO  L82        PathProgramCache]: Analyzing trace with hash -116961335, now seen corresponding path program 1 times
[2021-06-02 06:34:21,413 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-02 06:34:21,413 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015628049]
[2021-06-02 06:34:21,413 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-02 06:34:21,423 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-02 06:34:21,483 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-02 06:34:21,483 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-02 06:34:21,483 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015628049]
[2021-06-02 06:34:21,483 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015628049] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-02 06:34:21,483 INFO  L226   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-02 06:34:21,483 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2021-06-02 06:34:21,483 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848797365]
[2021-06-02 06:34:21,484 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 8 states
[2021-06-02 06:34:21,484 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-02 06:34:21,484 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-06-02 06:34:21,485 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2021-06-02 06:34:21,485 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-06-02 06:34:21,485 INFO  L482      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-06-02 06:34:21,485 INFO  L483      AbstractCegarLoop]: Interpolant automaton has  has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 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)
[2021-06-02 06:34:21,486 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-06-02 06:34:21,487 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-06-02 06:34:21,488 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2021-06-02 06:34:21,488 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-06-02 06:34:21,488 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-06-02 06:34:21,488 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-06-02 06:34:21,625 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-06-02 06:34:21,625 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-06-02 06:34:21,625 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2021-06-02 06:34:21,626 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-06-02 06:34:21,626 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-06-02 06:34:21,626 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-06-02 06:34:21,626 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2021-06-02 06:34:21,626 INFO  L430      AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-02 06:34:21,626 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-02 06:34:21,626 INFO  L82        PathProgramCache]: Analyzing trace with hash 469182922, now seen corresponding path program 1 times
[2021-06-02 06:34:21,627 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-02 06:34:21,627 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400375390]
[2021-06-02 06:34:21,627 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-02 06:34:21,637 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-02 06:34:21,696 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-02 06:34:21,697 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-02 06:34:21,697 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400375390]
[2021-06-02 06:34:21,697 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400375390] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-02 06:34:21,697 INFO  L226   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-02 06:34:21,697 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2021-06-02 06:34:21,697 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036822001]
[2021-06-02 06:34:21,698 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 8 states
[2021-06-02 06:34:21,698 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-02 06:34:21,698 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-06-02 06:34:21,699 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2021-06-02 06:34:21,699 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-06-02 06:34:21,699 INFO  L482      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-06-02 06:34:21,699 INFO  L483      AbstractCegarLoop]: Interpolant automaton has  has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 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)
[2021-06-02 06:34:21,700 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-06-02 06:34:21,700 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-06-02 06:34:21,700 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2021-06-02 06:34:21,700 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-06-02 06:34:21,700 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-06-02 06:34:21,700 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-06-02 06:34:21,700 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-06-02 06:34:21,857 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-06-02 06:34:21,857 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-06-02 06:34:21,857 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2021-06-02 06:34:21,857 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-06-02 06:34:21,857 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-06-02 06:34:21,857 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-06-02 06:34:21,857 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-06-02 06:34:21,858 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2021-06-02 06:34:21,873 INFO  L247   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2021-06-02 06:34:21,875 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.06 06:34:21 BasicIcfg
[2021-06-02 06:34:21,875 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-06-02 06:34:21,877 INFO  L168              Benchmark]: Toolchain (without parser) took 3048.15 ms. Allocated memory was 348.1 MB in the beginning and 463.5 MB in the end (delta: 115.3 MB). Free memory was 310.2 MB in the beginning and 364.3 MB in the end (delta: -54.1 MB). Peak memory consumption was 62.6 MB. Max. memory is 16.0 GB.
[2021-06-02 06:34:21,878 INFO  L168              Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 348.1 MB. Free memory is still 328.5 MB. There was no memory consumed. Max. memory is 16.0 GB.
[2021-06-02 06:34:21,878 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 436.44 ms. Allocated memory is still 348.1 MB. Free memory was 310.1 MB in the beginning and 309.8 MB in the end (delta: 302.7 kB). Peak memory consumption was 6.9 MB. Max. memory is 16.0 GB.
[2021-06-02 06:34:21,879 INFO  L168              Benchmark]: Boogie Procedure Inliner took 43.78 ms. Allocated memory is still 348.1 MB. Free memory was 309.8 MB in the beginning and 307.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB.
[2021-06-02 06:34:21,879 INFO  L168              Benchmark]: Boogie Preprocessor took 26.16 ms. Allocated memory is still 348.1 MB. Free memory was 307.7 MB in the beginning and 306.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB.
[2021-06-02 06:34:21,879 INFO  L168              Benchmark]: RCFGBuilder took 399.54 ms. Allocated memory is still 348.1 MB. Free memory was 306.6 MB in the beginning and 281.5 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB.
[2021-06-02 06:34:21,879 INFO  L168              Benchmark]: TraceAbstraction took 2137.44 ms. Allocated memory was 348.1 MB in the beginning and 463.5 MB in the end (delta: 115.3 MB). Free memory was 280.4 MB in the beginning and 364.3 MB in the end (delta: -83.9 MB). Peak memory consumption was 34.5 MB. Max. memory is 16.0 GB.
[2021-06-02 06:34:21,881 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.09 ms. Allocated memory is still 348.1 MB. Free memory is still 328.5 MB. There was no memory consumed. Max. memory is 16.0 GB.
 * CACSL2BoogieTranslator took 436.44 ms. Allocated memory is still 348.1 MB. Free memory was 310.1 MB in the beginning and 309.8 MB in the end (delta: 302.7 kB). Peak memory consumption was 6.9 MB. Max. memory is 16.0 GB.
 * Boogie Procedure Inliner took 43.78 ms. Allocated memory is still 348.1 MB. Free memory was 309.8 MB in the beginning and 307.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB.
 * Boogie Preprocessor took 26.16 ms. Allocated memory is still 348.1 MB. Free memory was 307.7 MB in the beginning and 306.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB.
 * RCFGBuilder took 399.54 ms. Allocated memory is still 348.1 MB. Free memory was 306.6 MB in the beginning and 281.5 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB.
 * TraceAbstraction took 2137.44 ms. Allocated memory was 348.1 MB in the beginning and 463.5 MB in the end (delta: 115.3 MB). Free memory was 280.4 MB in the beginning and 364.3 MB in the end (delta: -83.9 MB). Peak memory consumption was 34.5 MB. Max. memory is 16.0 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: Independence relation benchmarks
    ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7895, positive: 7657, positive conditional: 7657, positive unconditional: 0, negative: 238, negative conditional: 238, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 7808, positive: 7657, positive conditional: 7657, positive unconditional: 0, negative: 151, negative conditional: 151, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 17974, positive: 17595, positive conditional: 0, positive unconditional: 17595, negative: 379, negative conditional: 0, negative unconditional: 379, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2535, positive: 2504, positive conditional: 0, positive unconditional: 2504, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2535, positive: 2482, positive conditional: 0, positive unconditional: 2482, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 53, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 75, positive: 34, positive conditional: 12, positive unconditional: 22, negative: 41, negative conditional: 10, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 107, positive: 64, positive conditional: 13, positive unconditional: 52, negative: 43, negative conditional: 11, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0]  ], Cache Queries: [ total: 17974, positive: 15091, positive conditional: 0, positive unconditional: 15091, negative: 348, negative conditional: 0, negative unconditional: 348, unknown: 2535, unknown conditional: 0, unknown unconditional: 2535] , Statistics on independence cache: Total cache size (in pairs): 2557, Positive cache size: 2516, Positive conditional cache size: 12, Positive unconditional cache size: 2504, Negative cache size: 41, Negative conditional cache size: 10, Negative unconditional cache size: 31, SemanticConditionEliminator.Independence Queries: [ total: 1353, positive: 171, positive conditional: 171, positive unconditional: 0, negative: 1182, negative conditional: 51, negative unconditional: 1131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1353, positive: 171, positive conditional: 171, positive unconditional: 0, negative: 1182, negative conditional: 51, negative unconditional: 1131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 75, positive: 34, positive conditional: 12, positive unconditional: 22, negative: 41, negative conditional: 10, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 107, positive: 64, positive conditional: 13, positive unconditional: 52, negative: 43, negative conditional: 11, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1353, positive: 159, positive conditional: 159, positive unconditional: 0, negative: 1172, negative conditional: 41, negative unconditional: 1131, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2557, Positive cache size: 2516, Positive conditional cache size: 12, Positive unconditional cache size: 2504, Negative cache size: 41, Negative conditional cache size: 10, Negative unconditional cache size: 31, Eliminated conditions: 1131, SemanticConditionEliminator.Independence Queries: [ total: 1353, positive: 171, positive conditional: 171, positive unconditional: 0, negative: 1182, negative conditional: 51, negative unconditional: 1131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1353, positive: 171, positive conditional: 171, positive unconditional: 0, negative: 1182, negative conditional: 51, negative unconditional: 1131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 75, positive: 34, positive conditional: 12, positive unconditional: 22, negative: 41, negative conditional: 10, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 107, positive: 64, positive conditional: 13, positive unconditional: 52, negative: 43, negative conditional: 11, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1353, positive: 159, positive conditional: 159, positive unconditional: 0, negative: 1172, negative conditional: 41, negative unconditional: 1131, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2557, Positive cache size: 2516, Positive conditional cache size: 12, Positive unconditional cache size: 2504, Negative cache size: 41, Negative conditional cache size: 10, Negative unconditional cache size: 31, Eliminated conditions: 1131, SemanticConditionEliminator.Independence Queries: [ total: 1353, positive: 171, positive conditional: 171, positive unconditional: 0, negative: 1182, negative conditional: 51, negative unconditional: 1131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1353, positive: 171, positive conditional: 171, positive unconditional: 0, negative: 1182, negative conditional: 51, negative unconditional: 1131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 75, positive: 34, positive conditional: 12, positive unconditional: 22, negative: 41, negative conditional: 10, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 107, positive: 64, positive conditional: 13, positive unconditional: 52, negative: 43, negative conditional: 11, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1353, positive: 159, positive conditional: 159, positive unconditional: 0, negative: 1172, negative conditional: 41, negative unconditional: 1131, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2557, Positive cache size: 2516, Positive conditional cache size: 12, Positive unconditional cache size: 2504, Negative cache size: 41, Negative conditional cache size: 10, Negative unconditional cache size: 31, Eliminated conditions: 1131, SemanticConditionEliminator.Independence Queries: [ total: 1353, positive: 171, positive conditional: 171, positive unconditional: 0, negative: 1182, negative conditional: 51, negative unconditional: 1131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1353, positive: 171, positive conditional: 171, positive unconditional: 0, negative: 1182, negative conditional: 51, negative unconditional: 1131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 75, positive: 34, positive conditional: 12, positive unconditional: 22, negative: 41, negative conditional: 10, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 107, positive: 64, positive conditional: 13, positive unconditional: 52, negative: 43, negative conditional: 11, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1353, positive: 159, positive conditional: 159, positive unconditional: 0, negative: 1172, negative conditional: 41, negative unconditional: 1131, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2557, Positive cache size: 2516, Positive conditional cache size: 12, Positive unconditional cache size: 2504, Negative cache size: 41, Negative conditional cache size: 10, Negative unconditional cache size: 31, Eliminated conditions: 1131, SemanticConditionEliminator.Independence Queries: [ total: 1353, positive: 171, positive conditional: 171, positive unconditional: 0, negative: 1182, negative conditional: 51, negative unconditional: 1131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1353, positive: 171, positive conditional: 171, positive unconditional: 0, negative: 1182, negative conditional: 51, negative unconditional: 1131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 75, positive: 34, positive conditional: 12, positive unconditional: 22, negative: 41, negative conditional: 10, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 107, positive: 64, positive conditional: 13, positive unconditional: 52, negative: 43, negative conditional: 11, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1353, positive: 159, positive conditional: 159, positive unconditional: 0, negative: 1172, negative conditional: 41, negative unconditional: 1131, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2557, Positive cache size: 2516, Positive conditional cache size: 12, Positive unconditional cache size: 2504, Negative cache size: 41, Negative conditional cache size: 10, Negative unconditional cache size: 31, Eliminated conditions: 1131, SemanticConditionEliminator.Independence Queries: [ total: 1353, positive: 171, positive conditional: 171, positive unconditional: 0, negative: 1182, negative conditional: 51, negative unconditional: 1131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1353, positive: 171, positive conditional: 171, positive unconditional: 0, negative: 1182, negative conditional: 51, negative unconditional: 1131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 75, positive: 34, positive conditional: 12, positive unconditional: 22, negative: 41, negative conditional: 10, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 107, positive: 64, positive conditional: 13, positive unconditional: 52, negative: 43, negative conditional: 11, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1353, positive: 159, positive conditional: 159, positive unconditional: 0, negative: 1172, negative conditional: 41, negative unconditional: 1131, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2557, Positive cache size: 2516, Positive conditional cache size: 12, Positive unconditional cache size: 2504, Negative cache size: 41, Negative conditional cache size: 10, Negative unconditional cache size: 31, Eliminated conditions: 1131, SemanticConditionEliminator.Independence Queries: [ total: 1353, positive: 171, positive conditional: 171, positive unconditional: 0, negative: 1182, negative conditional: 51, negative unconditional: 1131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1353, positive: 171, positive conditional: 171, positive unconditional: 0, negative: 1182, negative conditional: 51, negative unconditional: 1131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 75, positive: 34, positive conditional: 12, positive unconditional: 22, negative: 41, negative conditional: 10, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 107, positive: 64, positive conditional: 13, positive unconditional: 52, negative: 43, negative conditional: 11, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1353, positive: 159, positive conditional: 159, positive unconditional: 0, negative: 1172, negative conditional: 41, negative unconditional: 1131, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2557, Positive cache size: 2516, Positive conditional cache size: 12, Positive unconditional cache size: 2504, Negative cache size: 41, Negative conditional cache size: 10, Negative unconditional cache size: 31, Eliminated conditions: 1131 ], Maximal queried relation: 7, Independence queries for same thread: 87
  - StatisticsResult: Persistent set benchmarks
    Persistent set computation time[ms]: 414, Number of persistent set computation: 1684, Number of trivial persistent sets: 1251, Underlying independence relation: CachedIndependenceRelation.Independence Queries: [ total: 17974, positive: 17595, positive conditional: 0, positive unconditional: 17595, negative: 379, negative conditional: 0, negative unconditional: 379, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2535, positive: 2504, positive conditional: 0, positive unconditional: 2504, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2535, positive: 2482, positive conditional: 0, positive unconditional: 2482, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 53, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 75, positive: 34, positive conditional: 12, positive unconditional: 22, negative: 41, negative conditional: 10, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 107, positive: 64, positive conditional: 13, positive unconditional: 52, negative: 43, negative conditional: 11, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0]  ], Cache Queries: [ total: 17974, positive: 15091, positive conditional: 0, positive unconditional: 15091, negative: 348, negative conditional: 0, negative unconditional: 348, unknown: 2535, unknown conditional: 0, unknown unconditional: 2535] , Statistics on independence cache: Total cache size (in pairs): 2557, Positive cache size: 2516, Positive conditional cache size: 12, Positive unconditional cache size: 2504, Negative cache size: 41, Negative conditional cache size: 10, Negative unconditional cache size: 31
  - PositiveResult [Line: 18]: call to reach_error is unreachable
    For all program executions holds that call to reach_error is unreachable at this location
  - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances
    CFG has 7 procedures, 105 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2053.6ms, OverallIterations: 7, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7.4ms, PartialOrderReductionTime: 1198.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 60, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 12.6ms SsaConstructionTime, 102.8ms SatisfiabilityAnalysisTime, 565.1ms InterpolantComputationTime, 389 NumberOfCodeBlocks, 389 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 382 ConstructedInterpolants, 0 QuantifiedInterpolants, 1234 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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!
Received shutdown request...