/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/06-symbeq_13-equ_proc_nr.i
--------------------------------------------------------------------------------
This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a
[2022-02-18 15:35:54,970 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-02-18 15:35:54,981 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-02-18 15:35:55,042 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-02-18 15:35:55,042 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-02-18 15:35:55,043 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-02-18 15:35:55,044 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-02-18 15:35:55,046 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-02-18 15:35:55,047 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-02-18 15:35:55,048 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-02-18 15:35:55,050 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-02-18 15:35:55,052 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-02-18 15:35:55,052 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-02-18 15:35:55,053 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-02-18 15:35:55,054 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-02-18 15:35:55,055 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-02-18 15:35:55,056 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-02-18 15:35:55,057 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-02-18 15:35:55,058 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-02-18 15:35:55,059 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-02-18 15:35:55,060 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-02-18 15:35:55,062 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-02-18 15:35:55,062 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-02-18 15:35:55,063 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-02-18 15:35:55,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-02-18 15:35:55,066 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-02-18 15:35:55,066 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-02-18 15:35:55,066 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-02-18 15:35:55,067 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-02-18 15:35:55,067 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-02-18 15:35:55,068 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-02-18 15:35:55,068 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-02-18 15:35:55,069 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
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[2022-02-18 15:35:55,070 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-02-18 15:35:55,070 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-02-18 15:35:55,071 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-02-18 15:35:55,071 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-02-18 15:35:55,071 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-02-18 15:35:55,072 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-02-18 15:35:55,072 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-02-18 15:35:55,080 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf
[2022-02-18 15:35:55,114 INFO L113 SettingsManager]: Loading preferences was successful
[2022-02-18 15:35:55,115 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-02-18 15:35:55,115 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-02-18 15:35:55,115 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-02-18 15:35:55,116 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-02-18 15:35:55,116 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-02-18 15:35:55,117 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-02-18 15:35:55,117 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-02-18 15:35:55,117 INFO L138 SettingsManager]: * Use SBE=true
[2022-02-18 15:35:55,117 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-02-18 15:35:55,118 INFO L138 SettingsManager]: * sizeof long=4
[2022-02-18 15:35:55,118 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-02-18 15:35:55,118 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-02-18 15:35:55,119 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-02-18 15:35:55,119 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-02-18 15:35:55,119 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-02-18 15:35:55,119 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-02-18 15:35:55,119 INFO L138 SettingsManager]: * sizeof long double=12
[2022-02-18 15:35:55,119 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-02-18 15:35:55,119 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-02-18 15:35:55,119 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-02-18 15:35:55,120 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-02-18 15:35:55,120 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-02-18 15:35:55,121 INFO L138 SettingsManager]: * To the following directory=./dump/
[2022-02-18 15:35:55,121 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-02-18 15:35:55,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-18 15:35:55,122 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-02-18 15:35:55,122 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-02-18 15:35:55,122 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-02-18 15:35:55,122 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-02-18 15:35:55,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-02-18 15:35:55,122 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2022-02-18 15:35:55,122 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-02-18 15:35:55,123 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false
[2022-02-18 15:35:55,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-02-18 15:35:55,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-02-18 15:35:55,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-02-18 15:35:55,346 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-02-18 15:35:55,347 INFO L275 PluginConnector]: CDTParser initialized
[2022-02-18 15:35:55,348 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/06-symbeq_13-equ_proc_nr.i
[2022-02-18 15:35:55,404 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8db979deb/e4856e9c75a74dbd8e89775d232cb4de/FLAGe85c34670
[2022-02-18 15:35:55,877 INFO L306 CDTParser]: Found 1 translation units.
[2022-02-18 15:35:55,877 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/06-symbeq_13-equ_proc_nr.i
[2022-02-18 15:35:55,908 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8db979deb/e4856e9c75a74dbd8e89775d232cb4de/FLAGe85c34670
[2022-02-18 15:35:56,422 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8db979deb/e4856e9c75a74dbd8e89775d232cb4de
[2022-02-18 15:35:56,424 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-02-18 15:35:56,425 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2022-02-18 15:35:56,427 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-02-18 15:35:56,427 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-02-18 15:35:56,430 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-02-18 15:35:56,430 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 03:35:56" (1/1) ...
[2022-02-18 15:35:56,431 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53541085 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:35:56, skipping insertion in model container
[2022-02-18 15:35:56,431 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 03:35:56" (1/1) ...
[2022-02-18 15:35:56,437 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-02-18 15:35:56,484 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-02-18 15:35:56,808 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-02-18 15:35:56,817 INFO L203 MainTranslator]: Completed pre-run
[2022-02-18 15:35:56,848 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-02-18 15:35:56,900 INFO L208 MainTranslator]: Completed translation
[2022-02-18 15:35:56,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:35:56 WrapperNode
[2022-02-18 15:35:56,901 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-02-18 15:35:56,902 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-02-18 15:35:56,903 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-02-18 15:35:56,903 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-02-18 15:35:56,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:35:56" (1/1) ...
[2022-02-18 15:35:56,939 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:35:56" (1/1) ...
[2022-02-18 15:35:56,963 INFO L137 Inliner]: procedures = 266, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 60
[2022-02-18 15:35:56,963 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-02-18 15:35:56,964 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-02-18 15:35:56,964 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-02-18 15:35:56,964 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-02-18 15:35:56,972 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:35:56" (1/1) ...
[2022-02-18 15:35:56,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:35:56" (1/1) ...
[2022-02-18 15:35:56,975 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:35:56" (1/1) ...
[2022-02-18 15:35:56,975 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:35:56" (1/1) ...
[2022-02-18 15:35:56,982 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:35:56" (1/1) ...
[2022-02-18 15:35:56,987 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:35:56" (1/1) ...
[2022-02-18 15:35:56,998 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:35:56" (1/1) ...
[2022-02-18 15:35:57,000 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-02-18 15:35:57,001 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-02-18 15:35:57,001 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-02-18 15:35:57,001 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-02-18 15:35:57,004 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:35:56" (1/1) ...
[2022-02-18 15:35:57,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-18 15:35:57,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-18 15:35:57,033 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)
[2022-02-18 15:35:57,055 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
[2022-02-18 15:35:57,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-02-18 15:35:57,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-02-18 15:35:57,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2022-02-18 15:35:57,075 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2022-02-18 15:35:57,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-02-18 15:35:57,075 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun
[2022-02-18 15:35:57,075 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun
[2022-02-18 15:35:57,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-02-18 15:35:57,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-02-18 15:35:57,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-02-18 15:35:57,076 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-02-18 15:35:57,176 INFO L234 CfgBuilder]: Building ICFG
[2022-02-18 15:35:57,177 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-02-18 15:35:57,384 INFO L275 CfgBuilder]: Performing block encoding
[2022-02-18 15:35:57,395 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-02-18 15:35:57,395 INFO L299 CfgBuilder]: Removed 0 assume(true) statements.
[2022-02-18 15:35:57,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 03:35:57 BoogieIcfgContainer
[2022-02-18 15:35:57,397 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-02-18 15:35:57,398 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-02-18 15:35:57,399 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-02-18 15:35:57,401 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-02-18 15:35:57,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.02 03:35:56" (1/3) ...
[2022-02-18 15:35:57,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f2589c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 03:35:57, skipping insertion in model container
[2022-02-18 15:35:57,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:35:56" (2/3) ...
[2022-02-18 15:35:57,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f2589c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 03:35:57, skipping insertion in model container
[2022-02-18 15:35:57,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 03:35:57" (3/3) ...
[2022-02-18 15:35:57,404 INFO L111 eAbstractionObserver]: Analyzing ICFG 06-symbeq_13-equ_proc_nr.i
[2022-02-18 15:35:57,412 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-02-18 15:35:57,412 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-02-18 15:35:57,413 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2022-02-18 15:35:57,413 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-02-18 15:35:57,448 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 15:35:57,448 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 15:35:57,448 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 15:35:57,448 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 15:35:57,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 15:35:57,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 15:35:57,449 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 15:35:57,449 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 15:35:57,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 15:35:57,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 15:35:57,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 15:35:57,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 15:35:57,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 15:35:57,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 15:35:57,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 15:35:57,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 15:35:57,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 15:35:57,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 15:35:57,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 15:35:57,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 15:35:57,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 15:35:57,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 15:35:57,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 15:35:57,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 15:35:57,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 15:35:57,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 15:35:57,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 15:35:57,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 15:35:57,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 15:35:57,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 15:35:57,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 15:35:57,455 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 15:35:57,458 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 15:35:57,458 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 15:35:57,458 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 15:35:57,458 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 15:35:57,459 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 15:35:57,459 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 15:35:57,460 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2022-02-18 15:35:57,497 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-02-18 15:35:57,503 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true
[2022-02-18 15:35:57,504 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2022-02-18 15:35:57,516 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 87 places, 84 transitions, 173 flow
[2022-02-18 15:35:57,576 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 408 states, 405 states have (on average 1.8098765432098765) internal successors, (733), 407 states have internal predecessors, (733), 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)
[2022-02-18 15:35:57,580 INFO L276 IsEmpty]: Start isEmpty. Operand has 408 states, 405 states have (on average 1.8098765432098765) internal successors, (733), 407 states have internal predecessors, (733), 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)
[2022-02-18 15:35:57,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2022-02-18 15:35:57,587 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-18 15:35:57,588 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-18 15:35:57,589 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] ===
[2022-02-18 15:35:57,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 15:35:57,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1076326687, now seen corresponding path program 1 times
[2022-02-18 15:35:57,601 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 15:35:57,602 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73378803]
[2022-02-18 15:35:57,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 15:35:57,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 15:35:57,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 15:35:58,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 15:35:58,037 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 15:35:58,038 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73378803]
[2022-02-18 15:35:58,038 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73378803] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-18 15:35:58,039 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-18 15:35:58,039 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-02-18 15:35:58,040 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050739234]
[2022-02-18 15:35:58,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-18 15:35:58,047 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-02-18 15:35:58,048 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 15:35:58,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-02-18 15:35:58,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2022-02-18 15:35:58,078 INFO L87 Difference]: Start difference. First operand has 408 states, 405 states have (on average 1.8098765432098765) internal successors, (733), 407 states have internal predecessors, (733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 5 states have (on average 10.2) 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)
[2022-02-18 15:35:58,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-18 15:35:58,278 INFO L93 Difference]: Finished difference Result 462 states and 826 transitions.
[2022-02-18 15:35:58,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2022-02-18 15:35:58,280 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.2) 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) Word has length 51
[2022-02-18 15:35:58,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-18 15:35:58,291 INFO L225 Difference]: With dead ends: 462
[2022-02-18 15:35:58,291 INFO L226 Difference]: Without dead ends: 362
[2022-02-18 15:35:58,293 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2022-02-18 15:35:58,296 INFO L933 BasicCegarLoop]: 154 mSDtfsCounter, 87 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-02-18 15:35:58,297 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [87 Valid, 323 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-02-18 15:35:58,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states.
[2022-02-18 15:35:58,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 357.
[2022-02-18 15:35:58,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 354 states have (on average 1.771186440677966) internal successors, (627), 356 states have internal predecessors, (627), 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)
[2022-02-18 15:35:58,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 627 transitions.
[2022-02-18 15:35:58,351 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 627 transitions. Word has length 51
[2022-02-18 15:35:58,352 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-18 15:35:58,352 INFO L470 AbstractCegarLoop]: Abstraction has 357 states and 627 transitions.
[2022-02-18 15:35:58,352 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.2) 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)
[2022-02-18 15:35:58,352 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 627 transitions.
[2022-02-18 15:35:58,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57
[2022-02-18 15:35:58,354 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-18 15:35:58,355 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-18 15:35:58,355 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-02-18 15:35:58,355 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] ===
[2022-02-18 15:35:58,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 15:35:58,356 INFO L85 PathProgramCache]: Analyzing trace with hash -1327139528, now seen corresponding path program 1 times
[2022-02-18 15:35:58,356 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 15:35:58,357 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113188732]
[2022-02-18 15:35:58,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 15:35:58,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 15:35:58,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 15:35:58,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 15:35:58,479 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 15:35:58,479 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113188732]
[2022-02-18 15:35:58,479 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113188732] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-18 15:35:58,479 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-18 15:35:58,479 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-02-18 15:35:58,480 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601211300]
[2022-02-18 15:35:58,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-18 15:35:58,481 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-02-18 15:35:58,481 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 15:35:58,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-02-18 15:35:58,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2022-02-18 15:35:58,482 INFO L87 Difference]: Start difference. First operand 357 states and 627 transitions. Second operand has 6 states, 5 states have (on average 11.2) 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)
[2022-02-18 15:35:58,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-18 15:35:58,599 INFO L93 Difference]: Finished difference Result 394 states and 691 transitions.
[2022-02-18 15:35:58,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2022-02-18 15:35:58,600 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.2) 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) Word has length 56
[2022-02-18 15:35:58,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-18 15:35:58,603 INFO L225 Difference]: With dead ends: 394
[2022-02-18 15:35:58,603 INFO L226 Difference]: Without dead ends: 319
[2022-02-18 15:35:58,604 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2022-02-18 15:35:58,605 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 44 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-02-18 15:35:58,605 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [44 Valid, 355 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-02-18 15:35:58,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states.
[2022-02-18 15:35:58,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 315.
[2022-02-18 15:35:58,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 312 states have (on average 1.7275641025641026) internal successors, (539), 314 states have internal predecessors, (539), 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)
[2022-02-18 15:35:58,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 539 transitions.
[2022-02-18 15:35:58,619 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 539 transitions. Word has length 56
[2022-02-18 15:35:58,620 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-18 15:35:58,620 INFO L470 AbstractCegarLoop]: Abstraction has 315 states and 539 transitions.
[2022-02-18 15:35:58,620 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.2) 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)
[2022-02-18 15:35:58,620 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 539 transitions.
[2022-02-18 15:35:58,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63
[2022-02-18 15:35:58,622 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-18 15:35:58,622 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-18 15:35:58,622 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-02-18 15:35:58,623 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] ===
[2022-02-18 15:35:58,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 15:35:58,623 INFO L85 PathProgramCache]: Analyzing trace with hash 2141646999, now seen corresponding path program 1 times
[2022-02-18 15:35:58,623 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 15:35:58,624 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426281295]
[2022-02-18 15:35:58,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 15:35:58,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 15:35:58,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 15:35:58,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 15:35:58,919 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 15:35:58,920 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426281295]
[2022-02-18 15:35:58,920 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426281295] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-18 15:35:58,920 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-18 15:35:58,920 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2022-02-18 15:35:58,920 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446168375]
[2022-02-18 15:35:58,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-18 15:35:58,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2022-02-18 15:35:58,921 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 15:35:58,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2022-02-18 15:35:58,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2022-02-18 15:35:58,922 INFO L87 Difference]: Start difference. First operand 315 states and 539 transitions. Second operand has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 9 states have internal predecessors, (62), 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)
[2022-02-18 15:35:59,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-18 15:35:59,218 INFO L93 Difference]: Finished difference Result 375 states and 628 transitions.
[2022-02-18 15:35:59,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2022-02-18 15:35:59,218 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 9 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62
[2022-02-18 15:35:59,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-18 15:35:59,220 INFO L225 Difference]: With dead ends: 375
[2022-02-18 15:35:59,220 INFO L226 Difference]: Without dead ends: 314
[2022-02-18 15:35:59,221 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182
[2022-02-18 15:35:59,222 INFO L933 BasicCegarLoop]: 60 mSDtfsCounter, 159 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-02-18 15:35:59,222 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [159 Valid, 404 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-02-18 15:35:59,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states.
[2022-02-18 15:35:59,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 314.
[2022-02-18 15:35:59,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 311 states have (on average 1.7266881028938907) internal successors, (537), 313 states have internal predecessors, (537), 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)
[2022-02-18 15:35:59,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 537 transitions.
[2022-02-18 15:35:59,239 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 537 transitions. Word has length 62
[2022-02-18 15:35:59,239 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-18 15:35:59,239 INFO L470 AbstractCegarLoop]: Abstraction has 314 states and 537 transitions.
[2022-02-18 15:35:59,240 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 9 states have internal predecessors, (62), 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)
[2022-02-18 15:35:59,240 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 537 transitions.
[2022-02-18 15:35:59,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63
[2022-02-18 15:35:59,246 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-18 15:35:59,246 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-18 15:35:59,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-02-18 15:35:59,247 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] ===
[2022-02-18 15:35:59,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 15:35:59,247 INFO L85 PathProgramCache]: Analyzing trace with hash 944930974, now seen corresponding path program 1 times
[2022-02-18 15:35:59,248 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 15:35:59,248 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738264035]
[2022-02-18 15:35:59,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 15:35:59,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 15:35:59,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 15:35:59,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 15:35:59,541 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 15:35:59,541 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738264035]
[2022-02-18 15:35:59,541 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738264035] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-18 15:35:59,541 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-18 15:35:59,541 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2022-02-18 15:35:59,541 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658285951]
[2022-02-18 15:35:59,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-18 15:35:59,542 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2022-02-18 15:35:59,542 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 15:35:59,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2022-02-18 15:35:59,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156
[2022-02-18 15:35:59,544 INFO L87 Difference]: Start difference. First operand 314 states and 537 transitions. Second operand has 13 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 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)
[2022-02-18 15:35:59,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-18 15:35:59,883 INFO L93 Difference]: Finished difference Result 300 states and 510 transitions.
[2022-02-18 15:35:59,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2022-02-18 15:35:59,884 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62
[2022-02-18 15:35:59,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-18 15:35:59,885 INFO L225 Difference]: With dead ends: 300
[2022-02-18 15:35:59,885 INFO L226 Difference]: Without dead ends: 270
[2022-02-18 15:35:59,886 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=143, Invalid=319, Unknown=0, NotChecked=0, Total=462
[2022-02-18 15:35:59,887 INFO L933 BasicCegarLoop]: 72 mSDtfsCounter, 294 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2022-02-18 15:35:59,887 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [294 Valid, 308 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2022-02-18 15:35:59,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states.
[2022-02-18 15:35:59,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 251.
[2022-02-18 15:35:59,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 250 states have (on average 1.688) internal successors, (422), 250 states have internal predecessors, (422), 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)
[2022-02-18 15:35:59,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 422 transitions.
[2022-02-18 15:35:59,893 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 422 transitions. Word has length 62
[2022-02-18 15:35:59,894 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-18 15:35:59,894 INFO L470 AbstractCegarLoop]: Abstraction has 251 states and 422 transitions.
[2022-02-18 15:35:59,894 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 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)
[2022-02-18 15:35:59,894 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 422 transitions.
[2022-02-18 15:35:59,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63
[2022-02-18 15:35:59,895 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-18 15:35:59,895 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-18 15:35:59,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-02-18 15:35:59,895 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] ===
[2022-02-18 15:35:59,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 15:35:59,896 INFO L85 PathProgramCache]: Analyzing trace with hash -561111628, now seen corresponding path program 1 times
[2022-02-18 15:35:59,896 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 15:35:59,896 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334340976]
[2022-02-18 15:35:59,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 15:35:59,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 15:35:59,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 15:36:00,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 15:36:00,056 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 15:36:00,056 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334340976]
[2022-02-18 15:36:00,056 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334340976] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-18 15:36:00,057 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-18 15:36:00,057 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2022-02-18 15:36:00,057 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224694833]
[2022-02-18 15:36:00,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-18 15:36:00,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2022-02-18 15:36:00,057 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 15:36:00,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2022-02-18 15:36:00,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156
[2022-02-18 15:36:00,058 INFO L87 Difference]: Start difference. First operand 251 states and 422 transitions. Second operand has 13 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 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)
[2022-02-18 15:36:00,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-18 15:36:00,396 INFO L93 Difference]: Finished difference Result 319 states and 537 transitions.
[2022-02-18 15:36:00,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2022-02-18 15:36:00,396 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62
[2022-02-18 15:36:00,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-18 15:36:00,397 INFO L225 Difference]: With dead ends: 319
[2022-02-18 15:36:00,398 INFO L226 Difference]: Without dead ends: 203
[2022-02-18 15:36:00,398 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=141, Invalid=321, Unknown=0, NotChecked=0, Total=462
[2022-02-18 15:36:00,399 INFO L933 BasicCegarLoop]: 79 mSDtfsCounter, 326 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2022-02-18 15:36:00,399 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [326 Valid, 361 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2022-02-18 15:36:00,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states.
[2022-02-18 15:36:00,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203.
[2022-02-18 15:36:00,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 202 states have (on average 1.6287128712871286) internal successors, (329), 202 states have internal predecessors, (329), 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)
[2022-02-18 15:36:00,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 329 transitions.
[2022-02-18 15:36:00,404 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 329 transitions. Word has length 62
[2022-02-18 15:36:00,404 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-18 15:36:00,404 INFO L470 AbstractCegarLoop]: Abstraction has 203 states and 329 transitions.
[2022-02-18 15:36:00,405 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 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)
[2022-02-18 15:36:00,405 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 329 transitions.
[2022-02-18 15:36:00,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63
[2022-02-18 15:36:00,405 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-18 15:36:00,405 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-18 15:36:00,406 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-02-18 15:36:00,406 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] ===
[2022-02-18 15:36:00,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 15:36:00,406 INFO L85 PathProgramCache]: Analyzing trace with hash -952158134, now seen corresponding path program 2 times
[2022-02-18 15:36:00,406 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 15:36:00,407 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599455250]
[2022-02-18 15:36:00,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 15:36:00,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 15:36:00,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 15:36:00,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 15:36:00,617 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 15:36:00,617 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599455250]
[2022-02-18 15:36:00,617 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599455250] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-18 15:36:00,617 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-18 15:36:00,617 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2022-02-18 15:36:00,617 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895609898]
[2022-02-18 15:36:00,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-18 15:36:00,618 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2022-02-18 15:36:00,618 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 15:36:00,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2022-02-18 15:36:00,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156
[2022-02-18 15:36:00,619 INFO L87 Difference]: Start difference. First operand 203 states and 329 transitions. Second operand has 13 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 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)
[2022-02-18 15:36:00,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-18 15:36:00,928 INFO L93 Difference]: Finished difference Result 240 states and 380 transitions.
[2022-02-18 15:36:00,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2022-02-18 15:36:00,931 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62
[2022-02-18 15:36:00,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-18 15:36:00,932 INFO L225 Difference]: With dead ends: 240
[2022-02-18 15:36:00,932 INFO L226 Difference]: Without dead ends: 221
[2022-02-18 15:36:00,933 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462
[2022-02-18 15:36:00,933 INFO L933 BasicCegarLoop]: 68 mSDtfsCounter, 263 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2022-02-18 15:36:00,934 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [263 Valid, 299 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2022-02-18 15:36:00,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states.
[2022-02-18 15:36:00,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 209.
[2022-02-18 15:36:00,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 208 states have (on average 1.6298076923076923) internal successors, (339), 208 states have internal predecessors, (339), 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)
[2022-02-18 15:36:00,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 339 transitions.
[2022-02-18 15:36:00,949 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 339 transitions. Word has length 62
[2022-02-18 15:36:00,949 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-18 15:36:00,949 INFO L470 AbstractCegarLoop]: Abstraction has 209 states and 339 transitions.
[2022-02-18 15:36:00,949 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 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)
[2022-02-18 15:36:00,949 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 339 transitions.
[2022-02-18 15:36:00,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63
[2022-02-18 15:36:00,950 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-18 15:36:00,950 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-18 15:36:00,950 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2022-02-18 15:36:00,951 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] ===
[2022-02-18 15:36:00,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 15:36:00,951 INFO L85 PathProgramCache]: Analyzing trace with hash 821596832, now seen corresponding path program 3 times
[2022-02-18 15:36:00,951 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 15:36:00,952 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727956994]
[2022-02-18 15:36:00,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 15:36:00,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 15:36:00,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 15:36:01,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 15:36:01,127 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 15:36:01,127 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727956994]
[2022-02-18 15:36:01,127 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727956994] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-18 15:36:01,127 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-18 15:36:01,127 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2022-02-18 15:36:01,127 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853892430]
[2022-02-18 15:36:01,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-18 15:36:01,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2022-02-18 15:36:01,128 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 15:36:01,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2022-02-18 15:36:01,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156
[2022-02-18 15:36:01,129 INFO L87 Difference]: Start difference. First operand 209 states and 339 transitions. Second operand has 13 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 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)
[2022-02-18 15:36:01,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-18 15:36:01,453 INFO L93 Difference]: Finished difference Result 255 states and 409 transitions.
[2022-02-18 15:36:01,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2022-02-18 15:36:01,453 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62
[2022-02-18 15:36:01,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-18 15:36:01,455 INFO L225 Difference]: With dead ends: 255
[2022-02-18 15:36:01,455 INFO L226 Difference]: Without dead ends: 219
[2022-02-18 15:36:01,455 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=159, Invalid=347, Unknown=0, NotChecked=0, Total=506
[2022-02-18 15:36:01,456 INFO L933 BasicCegarLoop]: 75 mSDtfsCounter, 259 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2022-02-18 15:36:01,456 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [259 Valid, 324 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2022-02-18 15:36:01,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states.
[2022-02-18 15:36:01,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 207.
[2022-02-18 15:36:01,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 206 states have (on average 1.6262135922330097) internal successors, (335), 206 states have internal predecessors, (335), 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)
[2022-02-18 15:36:01,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 335 transitions.
[2022-02-18 15:36:01,461 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 335 transitions. Word has length 62
[2022-02-18 15:36:01,461 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-18 15:36:01,461 INFO L470 AbstractCegarLoop]: Abstraction has 207 states and 335 transitions.
[2022-02-18 15:36:01,462 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 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)
[2022-02-18 15:36:01,462 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 335 transitions.
[2022-02-18 15:36:01,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63
[2022-02-18 15:36:01,462 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-18 15:36:01,462 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-18 15:36:01,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2022-02-18 15:36:01,463 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] ===
[2022-02-18 15:36:01,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 15:36:01,463 INFO L85 PathProgramCache]: Analyzing trace with hash 832300460, now seen corresponding path program 4 times
[2022-02-18 15:36:01,463 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 15:36:01,464 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400084815]
[2022-02-18 15:36:01,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 15:36:01,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 15:36:01,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 15:36:01,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 15:36:01,646 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 15:36:01,646 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400084815]
[2022-02-18 15:36:01,646 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400084815] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-18 15:36:01,646 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-18 15:36:01,646 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2022-02-18 15:36:01,646 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256526044]
[2022-02-18 15:36:01,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-18 15:36:01,647 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2022-02-18 15:36:01,647 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 15:36:01,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2022-02-18 15:36:01,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156
[2022-02-18 15:36:01,648 INFO L87 Difference]: Start difference. First operand 207 states and 335 transitions. Second operand has 13 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 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)
[2022-02-18 15:36:01,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-18 15:36:01,960 INFO L93 Difference]: Finished difference Result 270 states and 438 transitions.
[2022-02-18 15:36:01,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2022-02-18 15:36:01,960 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62
[2022-02-18 15:36:01,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-18 15:36:01,961 INFO L225 Difference]: With dead ends: 270
[2022-02-18 15:36:01,962 INFO L226 Difference]: Without dead ends: 217
[2022-02-18 15:36:01,962 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462
[2022-02-18 15:36:01,962 INFO L933 BasicCegarLoop]: 82 mSDtfsCounter, 275 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2022-02-18 15:36:01,963 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [275 Valid, 342 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2022-02-18 15:36:01,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states.
[2022-02-18 15:36:01,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 205.
[2022-02-18 15:36:01,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 204 states have (on average 1.6225490196078431) internal successors, (331), 204 states have internal predecessors, (331), 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)
[2022-02-18 15:36:01,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 331 transitions.
[2022-02-18 15:36:01,968 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 331 transitions. Word has length 62
[2022-02-18 15:36:01,968 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-18 15:36:01,968 INFO L470 AbstractCegarLoop]: Abstraction has 205 states and 331 transitions.
[2022-02-18 15:36:01,968 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 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)
[2022-02-18 15:36:01,968 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 331 transitions.
[2022-02-18 15:36:01,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63
[2022-02-18 15:36:01,969 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-18 15:36:01,969 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-18 15:36:01,969 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2022-02-18 15:36:01,969 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] ===
[2022-02-18 15:36:01,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 15:36:01,970 INFO L85 PathProgramCache]: Analyzing trace with hash 2019419582, now seen corresponding path program 5 times
[2022-02-18 15:36:01,970 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 15:36:01,970 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848247608]
[2022-02-18 15:36:01,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 15:36:01,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 15:36:01,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 15:36:02,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 15:36:02,190 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 15:36:02,190 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848247608]
[2022-02-18 15:36:02,190 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848247608] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-18 15:36:02,190 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-18 15:36:02,191 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2022-02-18 15:36:02,191 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233901114]
[2022-02-18 15:36:02,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-18 15:36:02,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2022-02-18 15:36:02,191 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 15:36:02,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2022-02-18 15:36:02,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156
[2022-02-18 15:36:02,192 INFO L87 Difference]: Start difference. First operand 205 states and 331 transitions. Second operand has 13 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 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)
[2022-02-18 15:36:02,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-18 15:36:02,506 INFO L93 Difference]: Finished difference Result 273 states and 446 transitions.
[2022-02-18 15:36:02,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2022-02-18 15:36:02,507 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62
[2022-02-18 15:36:02,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-18 15:36:02,508 INFO L225 Difference]: With dead ends: 273
[2022-02-18 15:36:02,508 INFO L226 Difference]: Without dead ends: 191
[2022-02-18 15:36:02,508 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=140, Invalid=322, Unknown=0, NotChecked=0, Total=462
[2022-02-18 15:36:02,509 INFO L933 BasicCegarLoop]: 76 mSDtfsCounter, 321 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2022-02-18 15:36:02,509 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [321 Valid, 328 Invalid, 348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2022-02-18 15:36:02,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states.
[2022-02-18 15:36:02,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191.
[2022-02-18 15:36:02,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 190 states have (on average 1.605263157894737) internal successors, (305), 190 states have internal predecessors, (305), 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)
[2022-02-18 15:36:02,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 305 transitions.
[2022-02-18 15:36:02,514 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 305 transitions. Word has length 62
[2022-02-18 15:36:02,514 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-18 15:36:02,514 INFO L470 AbstractCegarLoop]: Abstraction has 191 states and 305 transitions.
[2022-02-18 15:36:02,514 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 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)
[2022-02-18 15:36:02,514 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 305 transitions.
[2022-02-18 15:36:02,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63
[2022-02-18 15:36:02,515 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-18 15:36:02,515 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-18 15:36:02,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2022-02-18 15:36:02,515 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] ===
[2022-02-18 15:36:02,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 15:36:02,516 INFO L85 PathProgramCache]: Analyzing trace with hash 532736936, now seen corresponding path program 6 times
[2022-02-18 15:36:02,516 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 15:36:02,516 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738112969]
[2022-02-18 15:36:02,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 15:36:02,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 15:36:02,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 15:36:02,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 15:36:02,696 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 15:36:02,696 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738112969]
[2022-02-18 15:36:02,696 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738112969] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-18 15:36:02,696 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-18 15:36:02,696 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2022-02-18 15:36:02,696 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837661000]
[2022-02-18 15:36:02,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-18 15:36:02,697 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2022-02-18 15:36:02,697 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 15:36:02,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2022-02-18 15:36:02,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156
[2022-02-18 15:36:02,697 INFO L87 Difference]: Start difference. First operand 191 states and 305 transitions. Second operand has 13 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 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)
[2022-02-18 15:36:02,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-18 15:36:02,941 INFO L93 Difference]: Finished difference Result 223 states and 346 transitions.
[2022-02-18 15:36:02,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2022-02-18 15:36:02,941 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62
[2022-02-18 15:36:02,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-18 15:36:02,942 INFO L225 Difference]: With dead ends: 223
[2022-02-18 15:36:02,942 INFO L226 Difference]: Without dead ends: 204
[2022-02-18 15:36:02,943 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462
[2022-02-18 15:36:02,943 INFO L933 BasicCegarLoop]: 69 mSDtfsCounter, 225 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-02-18 15:36:02,944 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [225 Valid, 299 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-02-18 15:36:02,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states.
[2022-02-18 15:36:02,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 195.
[2022-02-18 15:36:02,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 194 states have (on average 1.6030927835051547) internal successors, (311), 194 states have internal predecessors, (311), 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)
[2022-02-18 15:36:02,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 311 transitions.
[2022-02-18 15:36:02,948 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 311 transitions. Word has length 62
[2022-02-18 15:36:02,949 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-18 15:36:02,949 INFO L470 AbstractCegarLoop]: Abstraction has 195 states and 311 transitions.
[2022-02-18 15:36:02,949 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 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)
[2022-02-18 15:36:02,949 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 311 transitions.
[2022-02-18 15:36:02,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63
[2022-02-18 15:36:02,950 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-18 15:36:02,950 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-18 15:36:02,950 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2022-02-18 15:36:02,950 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] ===
[2022-02-18 15:36:02,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 15:36:02,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1988475394, now seen corresponding path program 7 times
[2022-02-18 15:36:02,951 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 15:36:02,951 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370326717]
[2022-02-18 15:36:02,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 15:36:02,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 15:36:02,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 15:36:03,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 15:36:03,144 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 15:36:03,145 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370326717]
[2022-02-18 15:36:03,145 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370326717] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-18 15:36:03,145 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-18 15:36:03,145 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2022-02-18 15:36:03,145 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390903962]
[2022-02-18 15:36:03,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-18 15:36:03,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2022-02-18 15:36:03,145 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 15:36:03,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2022-02-18 15:36:03,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156
[2022-02-18 15:36:03,146 INFO L87 Difference]: Start difference. First operand 195 states and 311 transitions. Second operand has 13 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 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)
[2022-02-18 15:36:03,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-18 15:36:03,480 INFO L93 Difference]: Finished difference Result 238 states and 375 transitions.
[2022-02-18 15:36:03,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2022-02-18 15:36:03,481 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62
[2022-02-18 15:36:03,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-18 15:36:03,482 INFO L225 Difference]: With dead ends: 238
[2022-02-18 15:36:03,482 INFO L226 Difference]: Without dead ends: 202
[2022-02-18 15:36:03,482 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=157, Invalid=349, Unknown=0, NotChecked=0, Total=506
[2022-02-18 15:36:03,483 INFO L933 BasicCegarLoop]: 76 mSDtfsCounter, 237 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2022-02-18 15:36:03,483 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [237 Valid, 364 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2022-02-18 15:36:03,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states.
[2022-02-18 15:36:03,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 193.
[2022-02-18 15:36:03,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 192 states have (on average 1.5989583333333333) internal successors, (307), 192 states have internal predecessors, (307), 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)
[2022-02-18 15:36:03,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 307 transitions.
[2022-02-18 15:36:03,488 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 307 transitions. Word has length 62
[2022-02-18 15:36:03,488 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-18 15:36:03,488 INFO L470 AbstractCegarLoop]: Abstraction has 193 states and 307 transitions.
[2022-02-18 15:36:03,488 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 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)
[2022-02-18 15:36:03,488 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 307 transitions.
[2022-02-18 15:36:03,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63
[2022-02-18 15:36:03,488 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-18 15:36:03,489 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-18 15:36:03,489 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2022-02-18 15:36:03,489 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] ===
[2022-02-18 15:36:03,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 15:36:03,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1517190954, now seen corresponding path program 8 times
[2022-02-18 15:36:03,489 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 15:36:03,489 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274918036]
[2022-02-18 15:36:03,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 15:36:03,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 15:36:03,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 15:36:03,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 15:36:03,690 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 15:36:03,690 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274918036]
[2022-02-18 15:36:03,690 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274918036] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-18 15:36:03,690 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-18 15:36:03,690 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2022-02-18 15:36:03,690 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681973323]
[2022-02-18 15:36:03,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-18 15:36:03,691 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2022-02-18 15:36:03,691 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 15:36:03,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2022-02-18 15:36:03,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156
[2022-02-18 15:36:03,692 INFO L87 Difference]: Start difference. First operand 193 states and 307 transitions. Second operand has 13 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 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)
[2022-02-18 15:36:03,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-18 15:36:03,994 INFO L93 Difference]: Finished difference Result 253 states and 404 transitions.
[2022-02-18 15:36:03,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2022-02-18 15:36:03,994 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62
[2022-02-18 15:36:03,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-18 15:36:03,995 INFO L225 Difference]: With dead ends: 253
[2022-02-18 15:36:03,996 INFO L226 Difference]: Without dead ends: 200
[2022-02-18 15:36:03,996 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=324, Unknown=0, NotChecked=0, Total=462
[2022-02-18 15:36:03,996 INFO L933 BasicCegarLoop]: 83 mSDtfsCounter, 243 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2022-02-18 15:36:03,997 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [243 Valid, 373 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2022-02-18 15:36:03,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states.
[2022-02-18 15:36:04,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 191.
[2022-02-18 15:36:04,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 190 states have (on average 1.5947368421052632) internal successors, (303), 190 states have internal predecessors, (303), 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)
[2022-02-18 15:36:04,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 303 transitions.
[2022-02-18 15:36:04,001 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 303 transitions. Word has length 62
[2022-02-18 15:36:04,001 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-18 15:36:04,001 INFO L470 AbstractCegarLoop]: Abstraction has 191 states and 303 transitions.
[2022-02-18 15:36:04,001 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 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)
[2022-02-18 15:36:04,002 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 303 transitions.
[2022-02-18 15:36:04,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63
[2022-02-18 15:36:04,002 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-18 15:36:04,002 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-18 15:36:04,002 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2022-02-18 15:36:04,003 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] ===
[2022-02-18 15:36:04,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 15:36:04,003 INFO L85 PathProgramCache]: Analyzing trace with hash 123707198, now seen corresponding path program 9 times
[2022-02-18 15:36:04,003 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 15:36:04,003 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660452473]
[2022-02-18 15:36:04,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 15:36:04,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 15:36:04,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 15:36:04,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 15:36:04,196 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 15:36:04,196 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660452473]
[2022-02-18 15:36:04,196 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660452473] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-18 15:36:04,197 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-18 15:36:04,197 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2022-02-18 15:36:04,197 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689519171]
[2022-02-18 15:36:04,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-18 15:36:04,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2022-02-18 15:36:04,197 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 15:36:04,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2022-02-18 15:36:04,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156
[2022-02-18 15:36:04,198 INFO L87 Difference]: Start difference. First operand 191 states and 303 transitions. Second operand has 13 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 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)
[2022-02-18 15:36:04,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-18 15:36:04,508 INFO L93 Difference]: Finished difference Result 242 states and 385 transitions.
[2022-02-18 15:36:04,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2022-02-18 15:36:04,508 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62
[2022-02-18 15:36:04,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-18 15:36:04,509 INFO L225 Difference]: With dead ends: 242
[2022-02-18 15:36:04,509 INFO L226 Difference]: Without dead ends: 172
[2022-02-18 15:36:04,510 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=140, Invalid=322, Unknown=0, NotChecked=0, Total=462
[2022-02-18 15:36:04,510 INFO L933 BasicCegarLoop]: 77 mSDtfsCounter, 207 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2022-02-18 15:36:04,510 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [207 Valid, 388 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2022-02-18 15:36:04,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states.
[2022-02-18 15:36:04,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172.
[2022-02-18 15:36:04,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 171 states have (on average 1.5614035087719298) internal successors, (267), 171 states have internal predecessors, (267), 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)
[2022-02-18 15:36:04,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 267 transitions.
[2022-02-18 15:36:04,514 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 267 transitions. Word has length 62
[2022-02-18 15:36:04,514 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-18 15:36:04,515 INFO L470 AbstractCegarLoop]: Abstraction has 172 states and 267 transitions.
[2022-02-18 15:36:04,515 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 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)
[2022-02-18 15:36:04,515 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 267 transitions.
[2022-02-18 15:36:04,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63
[2022-02-18 15:36:04,516 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-18 15:36:04,516 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-18 15:36:04,517 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2022-02-18 15:36:04,517 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] ===
[2022-02-18 15:36:04,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 15:36:04,517 INFO L85 PathProgramCache]: Analyzing trace with hash -535096892, now seen corresponding path program 10 times
[2022-02-18 15:36:04,517 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 15:36:04,517 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846774502]
[2022-02-18 15:36:04,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 15:36:04,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 15:36:04,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 15:36:04,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 15:36:04,739 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 15:36:04,739 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846774502]
[2022-02-18 15:36:04,739 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846774502] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-18 15:36:04,739 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-18 15:36:04,739 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2022-02-18 15:36:04,739 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491977876]
[2022-02-18 15:36:04,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-18 15:36:04,740 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2022-02-18 15:36:04,740 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 15:36:04,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2022-02-18 15:36:04,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156
[2022-02-18 15:36:04,741 INFO L87 Difference]: Start difference. First operand 172 states and 267 transitions. Second operand has 13 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 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)
[2022-02-18 15:36:05,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-18 15:36:05,002 INFO L93 Difference]: Finished difference Result 199 states and 298 transitions.
[2022-02-18 15:36:05,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2022-02-18 15:36:05,002 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62
[2022-02-18 15:36:05,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-18 15:36:05,003 INFO L225 Difference]: With dead ends: 199
[2022-02-18 15:36:05,003 INFO L226 Difference]: Without dead ends: 180
[2022-02-18 15:36:05,004 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=141, Invalid=321, Unknown=0, NotChecked=0, Total=462
[2022-02-18 15:36:05,004 INFO L933 BasicCegarLoop]: 71 mSDtfsCounter, 253 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-02-18 15:36:05,005 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [253 Valid, 309 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-02-18 15:36:05,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states.
[2022-02-18 15:36:05,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 174.
[2022-02-18 15:36:05,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 173 states have (on average 1.5549132947976878) internal successors, (269), 173 states have internal predecessors, (269), 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)
[2022-02-18 15:36:05,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 269 transitions.
[2022-02-18 15:36:05,009 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 269 transitions. Word has length 62
[2022-02-18 15:36:05,009 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-18 15:36:05,010 INFO L470 AbstractCegarLoop]: Abstraction has 174 states and 269 transitions.
[2022-02-18 15:36:05,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 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)
[2022-02-18 15:36:05,010 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 269 transitions.
[2022-02-18 15:36:05,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63
[2022-02-18 15:36:05,010 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-18 15:36:05,011 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-18 15:36:05,011 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2022-02-18 15:36:05,011 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] ===
[2022-02-18 15:36:05,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 15:36:05,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1238658074, now seen corresponding path program 11 times
[2022-02-18 15:36:05,012 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 15:36:05,012 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467527813]
[2022-02-18 15:36:05,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 15:36:05,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 15:36:05,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 15:36:05,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 15:36:05,181 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 15:36:05,181 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467527813]
[2022-02-18 15:36:05,181 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467527813] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-18 15:36:05,181 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-18 15:36:05,181 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2022-02-18 15:36:05,181 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369812567]
[2022-02-18 15:36:05,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-18 15:36:05,182 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2022-02-18 15:36:05,182 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 15:36:05,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2022-02-18 15:36:05,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156
[2022-02-18 15:36:05,183 INFO L87 Difference]: Start difference. First operand 174 states and 269 transitions. Second operand has 13 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 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)
[2022-02-18 15:36:05,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-18 15:36:05,470 INFO L93 Difference]: Finished difference Result 214 states and 327 transitions.
[2022-02-18 15:36:05,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2022-02-18 15:36:05,471 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62
[2022-02-18 15:36:05,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-18 15:36:05,472 INFO L225 Difference]: With dead ends: 214
[2022-02-18 15:36:05,472 INFO L226 Difference]: Without dead ends: 178
[2022-02-18 15:36:05,472 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=157, Invalid=349, Unknown=0, NotChecked=0, Total=506
[2022-02-18 15:36:05,473 INFO L933 BasicCegarLoop]: 78 mSDtfsCounter, 264 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-02-18 15:36:05,473 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [264 Valid, 309 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-02-18 15:36:05,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states.
[2022-02-18 15:36:05,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 172.
[2022-02-18 15:36:05,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 171 states have (on average 1.5497076023391814) internal successors, (265), 171 states have internal predecessors, (265), 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)
[2022-02-18 15:36:05,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 265 transitions.
[2022-02-18 15:36:05,477 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 265 transitions. Word has length 62
[2022-02-18 15:36:05,477 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-18 15:36:05,477 INFO L470 AbstractCegarLoop]: Abstraction has 172 states and 265 transitions.
[2022-02-18 15:36:05,477 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 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)
[2022-02-18 15:36:05,477 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 265 transitions.
[2022-02-18 15:36:05,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63
[2022-02-18 15:36:05,478 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-18 15:36:05,478 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-18 15:36:05,478 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2022-02-18 15:36:05,478 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] ===
[2022-02-18 15:36:05,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 15:36:05,478 INFO L85 PathProgramCache]: Analyzing trace with hash 449357126, now seen corresponding path program 12 times
[2022-02-18 15:36:05,479 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 15:36:05,479 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310899201]
[2022-02-18 15:36:05,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 15:36:05,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 15:36:05,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 15:36:05,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 15:36:05,647 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 15:36:05,647 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310899201]
[2022-02-18 15:36:05,649 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310899201] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-18 15:36:05,649 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-18 15:36:05,649 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2022-02-18 15:36:05,649 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582334281]
[2022-02-18 15:36:05,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-18 15:36:05,649 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2022-02-18 15:36:05,649 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 15:36:05,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2022-02-18 15:36:05,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156
[2022-02-18 15:36:05,651 INFO L87 Difference]: Start difference. First operand 172 states and 265 transitions. Second operand has 13 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 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)
[2022-02-18 15:36:05,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-18 15:36:05,937 INFO L93 Difference]: Finished difference Result 206 states and 314 transitions.
[2022-02-18 15:36:05,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2022-02-18 15:36:05,937 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62
[2022-02-18 15:36:05,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-18 15:36:05,938 INFO L225 Difference]: With dead ends: 206
[2022-02-18 15:36:05,938 INFO L226 Difference]: Without dead ends: 153
[2022-02-18 15:36:05,939 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462
[2022-02-18 15:36:05,939 INFO L933 BasicCegarLoop]: 72 mSDtfsCounter, 200 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2022-02-18 15:36:05,939 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [200 Valid, 381 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2022-02-18 15:36:05,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states.
[2022-02-18 15:36:05,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153.
[2022-02-18 15:36:05,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 152 states have (on average 1.506578947368421) internal successors, (229), 152 states have internal predecessors, (229), 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)
[2022-02-18 15:36:05,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 229 transitions.
[2022-02-18 15:36:05,943 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 229 transitions. Word has length 62
[2022-02-18 15:36:05,943 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-18 15:36:05,943 INFO L470 AbstractCegarLoop]: Abstraction has 153 states and 229 transitions.
[2022-02-18 15:36:05,943 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 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)
[2022-02-18 15:36:05,943 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 229 transitions.
[2022-02-18 15:36:05,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63
[2022-02-18 15:36:05,944 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-18 15:36:05,944 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-18 15:36:05,944 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2022-02-18 15:36:05,944 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] ===
[2022-02-18 15:36:05,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 15:36:05,944 INFO L85 PathProgramCache]: Analyzing trace with hash 729348682, now seen corresponding path program 13 times
[2022-02-18 15:36:05,944 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 15:36:05,945 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44677935]
[2022-02-18 15:36:05,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 15:36:05,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 15:36:05,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 15:36:06,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 15:36:06,140 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 15:36:06,140 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44677935]
[2022-02-18 15:36:06,140 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44677935] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-18 15:36:06,140 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-18 15:36:06,140 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2022-02-18 15:36:06,140 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385279133]
[2022-02-18 15:36:06,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-18 15:36:06,141 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2022-02-18 15:36:06,141 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 15:36:06,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2022-02-18 15:36:06,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156
[2022-02-18 15:36:06,141 INFO L87 Difference]: Start difference. First operand 153 states and 229 transitions. Second operand has 13 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 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)
[2022-02-18 15:36:06,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-18 15:36:06,409 INFO L93 Difference]: Finished difference Result 170 states and 245 transitions.
[2022-02-18 15:36:06,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2022-02-18 15:36:06,410 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62
[2022-02-18 15:36:06,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-18 15:36:06,411 INFO L225 Difference]: With dead ends: 170
[2022-02-18 15:36:06,411 INFO L226 Difference]: Without dead ends: 145
[2022-02-18 15:36:06,411 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=160, Invalid=346, Unknown=0, NotChecked=0, Total=506
[2022-02-18 15:36:06,412 INFO L933 BasicCegarLoop]: 78 mSDtfsCounter, 231 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-02-18 15:36:06,412 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [231 Valid, 365 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-02-18 15:36:06,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states.
[2022-02-18 15:36:06,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145.
[2022-02-18 15:36:06,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 144 states have (on average 1.4791666666666667) internal successors, (213), 144 states have internal predecessors, (213), 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)
[2022-02-18 15:36:06,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 213 transitions.
[2022-02-18 15:36:06,415 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 213 transitions. Word has length 62
[2022-02-18 15:36:06,416 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-18 15:36:06,416 INFO L470 AbstractCegarLoop]: Abstraction has 145 states and 213 transitions.
[2022-02-18 15:36:06,416 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 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)
[2022-02-18 15:36:06,416 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 213 transitions.
[2022-02-18 15:36:06,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63
[2022-02-18 15:36:06,417 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-18 15:36:06,417 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-18 15:36:06,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2022-02-18 15:36:06,417 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] ===
[2022-02-18 15:36:06,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 15:36:06,417 INFO L85 PathProgramCache]: Analyzing trace with hash -1791863648, now seen corresponding path program 14 times
[2022-02-18 15:36:06,417 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 15:36:06,418 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5824490]
[2022-02-18 15:36:06,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 15:36:06,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 15:36:06,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 15:36:06,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 15:36:06,593 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 15:36:06,593 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5824490]
[2022-02-18 15:36:06,593 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5824490] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-18 15:36:06,593 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-18 15:36:06,593 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2022-02-18 15:36:06,593 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686412651]
[2022-02-18 15:36:06,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-18 15:36:06,594 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2022-02-18 15:36:06,594 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 15:36:06,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2022-02-18 15:36:06,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156
[2022-02-18 15:36:06,594 INFO L87 Difference]: Start difference. First operand 145 states and 213 transitions. Second operand has 13 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 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)
[2022-02-18 15:36:06,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-18 15:36:06,843 INFO L93 Difference]: Finished difference Result 131 states and 186 transitions.
[2022-02-18 15:36:06,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2022-02-18 15:36:06,843 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62
[2022-02-18 15:36:06,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-18 15:36:06,844 INFO L225 Difference]: With dead ends: 131
[2022-02-18 15:36:06,844 INFO L226 Difference]: Without dead ends: 0
[2022-02-18 15:36:06,844 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=140, Invalid=322, Unknown=0, NotChecked=0, Total=462
[2022-02-18 15:36:06,845 INFO L933 BasicCegarLoop]: 67 mSDtfsCounter, 202 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-02-18 15:36:06,845 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [202 Valid, 349 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-02-18 15:36:06,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2022-02-18 15:36:06,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2022-02-18 15:36:06,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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)
[2022-02-18 15:36:06,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2022-02-18 15:36:06,846 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 62
[2022-02-18 15:36:06,846 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-18 15:36:06,846 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2022-02-18 15:36:06,846 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 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)
[2022-02-18 15:36:06,846 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2022-02-18 15:36:06,846 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2022-02-18 15:36:06,848 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 4 remaining)
[2022-02-18 15:36:06,848 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining)
[2022-02-18 15:36:06,849 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 4 remaining)
[2022-02-18 15:36:06,849 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 4 remaining)
[2022-02-18 15:36:06,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2022-02-18 15:36:06,852 INFO L732 BasicCegarLoop]: Path program histogram: [14, 1, 1, 1, 1]
[2022-02-18 15:36:06,855 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-02-18 15:36:06,855 INFO L180 ceAbstractionStarter]: Computing trace abstraction results
[2022-02-18 15:36:06,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.02 03:36:06 BasicIcfg
[2022-02-18 15:36:06,857 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-02-18 15:36:06,858 INFO L158 Benchmark]: Toolchain (without parser) took 10432.57ms. Allocated memory was 185.6MB in the beginning and 269.5MB in the end (delta: 83.9MB). Free memory was 132.8MB in the beginning and 146.0MB in the end (delta: -13.2MB). Peak memory consumption was 71.8MB. Max. memory is 8.0GB.
[2022-02-18 15:36:06,858 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 185.6MB. Free memory is still 151.2MB. There was no memory consumed. Max. memory is 8.0GB.
[2022-02-18 15:36:06,862 INFO L158 Benchmark]: CACSL2BoogieTranslator took 475.02ms. Allocated memory is still 185.6MB. Free memory was 132.5MB in the beginning and 143.1MB in the end (delta: -10.6MB). Peak memory consumption was 13.0MB. Max. memory is 8.0GB.
[2022-02-18 15:36:06,862 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.14ms. Allocated memory is still 185.6MB. Free memory was 143.1MB in the beginning and 140.4MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB.
[2022-02-18 15:36:06,862 INFO L158 Benchmark]: Boogie Preprocessor took 35.82ms. Allocated memory is still 185.6MB. Free memory was 140.4MB in the beginning and 138.9MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2022-02-18 15:36:06,863 INFO L158 Benchmark]: RCFGBuilder took 396.63ms. Allocated memory is still 185.6MB. Free memory was 138.9MB in the beginning and 126.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB.
[2022-02-18 15:36:06,863 INFO L158 Benchmark]: TraceAbstraction took 9458.96ms. Allocated memory was 185.6MB in the beginning and 269.5MB in the end (delta: 83.9MB). Free memory was 125.7MB in the beginning and 146.0MB in the end (delta: -20.3MB). Peak memory consumption was 64.0MB. Max. memory is 8.0GB.
[2022-02-18 15:36:06,866 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.49ms. Allocated memory is still 185.6MB. Free memory is still 151.2MB. There was no memory consumed. Max. memory is 8.0GB.
* CACSL2BoogieTranslator took 475.02ms. Allocated memory is still 185.6MB. Free memory was 132.5MB in the beginning and 143.1MB in the end (delta: -10.6MB). Peak memory consumption was 13.0MB. Max. memory is 8.0GB.
* Boogie Procedure Inliner took 61.14ms. Allocated memory is still 185.6MB. Free memory was 143.1MB in the beginning and 140.4MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB.
* Boogie Preprocessor took 35.82ms. Allocated memory is still 185.6MB. Free memory was 140.4MB in the beginning and 138.9MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
* RCFGBuilder took 396.63ms. Allocated memory is still 185.6MB. Free memory was 138.9MB in the beginning and 126.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB.
* TraceAbstraction took 9458.96ms. Allocated memory was 185.6MB in the beginning and 269.5MB in the end (delta: 83.9MB). Free memory was 125.7MB in the beginning and 146.0MB in the end (delta: -20.3MB). Peak memory consumption was 64.0MB. Max. memory is 8.0GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 999]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 994]: there are no data races
For all program executions holds that there are no data races at this location
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 3 procedures, 101 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 9.4s, OverallIterations: 18, TraceHistogramMax: 1, PathProgramHistogramMax: 14, EmptinessCheckTime: 0.0s, AutomataDifference: 5.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4090 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4090 mSDsluCounter, 6181 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4748 mSDsCounter, 646 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4716 IncrementalHoareTripleChecker+Invalid, 5362 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 646 mSolverCounterUnsat, 1452 mSDtfsCounter, 4716 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 344 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 324 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 450 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=408occurred in iteration=0, InterpolantAutomatonStates: 205, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 18 MinimizatonAttempts, 103 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 1099 NumberOfCodeBlocks, 1099 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1081 ConstructedInterpolants, 0 QuantifiedInterpolants, 7393 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 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
2 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2022-02-18 15:36:06,904 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...