/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-BasicCegarLoop.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/05-lval_ls_02-idx_nr.i
--------------------------------------------------------------------------------
This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd
[2022-02-10 02:40:12,300 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-02-10 02:40:12,339 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-02-10 02:40:12,368 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-02-10 02:40:12,369 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-02-10 02:40:12,370 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-02-10 02:40:12,371 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-02-10 02:40:12,373 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-02-10 02:40:12,374 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-02-10 02:40:12,375 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-02-10 02:40:12,376 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-02-10 02:40:12,377 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-02-10 02:40:12,378 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-02-10 02:40:12,378 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-02-10 02:40:12,380 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-02-10 02:40:12,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-02-10 02:40:12,381 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-02-10 02:40:12,382 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-02-10 02:40:12,389 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-02-10 02:40:12,391 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-02-10 02:40:12,392 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-02-10 02:40:12,396 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-02-10 02:40:12,397 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-02-10 02:40:12,398 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-02-10 02:40:12,400 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-02-10 02:40:12,400 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-02-10 02:40:12,401 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-02-10 02:40:12,401 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-02-10 02:40:12,402 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-02-10 02:40:12,402 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-02-10 02:40:12,403 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-02-10 02:40:12,403 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-02-10 02:40:12,404 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-02-10 02:40:12,405 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-02-10 02:40:12,406 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-02-10 02:40:12,406 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-02-10 02:40:12,407 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-02-10 02:40:12,414 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-02-10 02:40:12,414 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-02-10 02:40:12,415 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-02-10 02:40:12,416 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-02-10 02:40:12,417 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-BasicCegarLoop.epf
[2022-02-10 02:40:12,449 INFO L113 SettingsManager]: Loading preferences was successful
[2022-02-10 02:40:12,449 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-02-10 02:40:12,450 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-02-10 02:40:12,450 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-02-10 02:40:12,450 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-02-10 02:40:12,451 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-02-10 02:40:12,455 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-02-10 02:40:12,455 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-02-10 02:40:12,455 INFO L138 SettingsManager]: * Use SBE=true
[2022-02-10 02:40:12,455 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-02-10 02:40:12,456 INFO L138 SettingsManager]: * sizeof long=4
[2022-02-10 02:40:12,456 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-02-10 02:40:12,456 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-02-10 02:40:12,456 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-02-10 02:40:12,456 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-02-10 02:40:12,456 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-02-10 02:40:12,456 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-02-10 02:40:12,457 INFO L138 SettingsManager]: * sizeof long double=12
[2022-02-10 02:40:12,457 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-02-10 02:40:12,457 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-02-10 02:40:12,457 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-02-10 02:40:12,457 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-02-10 02:40:12,457 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-02-10 02:40:12,458 INFO L138 SettingsManager]: * To the following directory=./dump/
[2022-02-10 02:40:12,458 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-02-10 02:40:12,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-10 02:40:12,458 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-02-10 02:40:12,458 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-02-10 02:40:12,458 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-02-10 02:40:12,458 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-02-10 02:40:12,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-02-10 02:40:12,459 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2022-02-10 02:40:12,459 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-02-10 02:40:12,459 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS
[2022-02-10 02:40:12,459 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false
[2022-02-10 02:40:12,716 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-02-10 02:40:12,739 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-02-10 02:40:12,741 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-02-10 02:40:12,742 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-02-10 02:40:12,744 INFO L275 PluginConnector]: CDTParser initialized
[2022-02-10 02:40:12,745 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/05-lval_ls_02-idx_nr.i
[2022-02-10 02:40:12,811 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6982b6b4/df8b6f0ee74d496d8d4f9e61f95d759e/FLAGeba3b5936
[2022-02-10 02:40:13,283 INFO L306 CDTParser]: Found 1 translation units.
[2022-02-10 02:40:13,284 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/05-lval_ls_02-idx_nr.i
[2022-02-10 02:40:13,296 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6982b6b4/df8b6f0ee74d496d8d4f9e61f95d759e/FLAGeba3b5936
[2022-02-10 02:40:13,310 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6982b6b4/df8b6f0ee74d496d8d4f9e61f95d759e
[2022-02-10 02:40:13,312 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-02-10 02:40:13,313 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2022-02-10 02:40:13,318 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-02-10 02:40:13,318 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-02-10 02:40:13,321 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-02-10 02:40:13,323 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 02:40:13" (1/1) ...
[2022-02-10 02:40:13,324 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1615d447 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:40:13, skipping insertion in model container
[2022-02-10 02:40:13,324 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 02:40:13" (1/1) ...
[2022-02-10 02:40:13,332 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-02-10 02:40:13,378 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-02-10 02:40:13,636 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-02-10 02:40:13,664 INFO L203 MainTranslator]: Completed pre-run
[2022-02-10 02:40:13,712 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-02-10 02:40:13,740 INFO L208 MainTranslator]: Completed translation
[2022-02-10 02:40:13,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:40:13 WrapperNode
[2022-02-10 02:40:13,741 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-02-10 02:40:13,742 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-02-10 02:40:13,742 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-02-10 02:40:13,743 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-02-10 02:40:13,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:40:13" (1/1) ...
[2022-02-10 02:40:13,766 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:40:13" (1/1) ...
[2022-02-10 02:40:13,786 INFO L137 Inliner]: procedures = 161, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43
[2022-02-10 02:40:13,786 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-02-10 02:40:13,788 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-02-10 02:40:13,788 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-02-10 02:40:13,788 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-02-10 02:40:13,796 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:40:13" (1/1) ...
[2022-02-10 02:40:13,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:40:13" (1/1) ...
[2022-02-10 02:40:13,799 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:40:13" (1/1) ...
[2022-02-10 02:40:13,799 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:40:13" (1/1) ...
[2022-02-10 02:40:13,806 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:40:13" (1/1) ...
[2022-02-10 02:40:13,810 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:40:13" (1/1) ...
[2022-02-10 02:40:13,816 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:40:13" (1/1) ...
[2022-02-10 02:40:13,818 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-02-10 02:40:13,819 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-02-10 02:40:13,820 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-02-10 02:40:13,820 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-02-10 02:40:13,827 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:40:13" (1/1) ...
[2022-02-10 02:40:13,839 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-10 02:40:13,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-10 02:40:13,860 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)
[2022-02-10 02:40:13,863 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
[2022-02-10 02:40:13,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2022-02-10 02:40:13,890 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2022-02-10 02:40:13,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-02-10 02:40:13,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-02-10 02:40:13,891 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun
[2022-02-10 02:40:13,891 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun
[2022-02-10 02:40:13,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-02-10 02:40:13,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-02-10 02:40:13,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-02-10 02:40:13,892 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-02-10 02:40:14,012 INFO L234 CfgBuilder]: Building ICFG
[2022-02-10 02:40:14,014 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-02-10 02:40:14,176 INFO L275 CfgBuilder]: Performing block encoding
[2022-02-10 02:40:14,182 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-02-10 02:40:14,182 INFO L299 CfgBuilder]: Removed 1 assume(true) statements.
[2022-02-10 02:40:14,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 02:40:14 BoogieIcfgContainer
[2022-02-10 02:40:14,184 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-02-10 02:40:14,186 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-02-10 02:40:14,186 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-02-10 02:40:14,202 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-02-10 02:40:14,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.02 02:40:13" (1/3) ...
[2022-02-10 02:40:14,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79eb314a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 02:40:14, skipping insertion in model container
[2022-02-10 02:40:14,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:40:13" (2/3) ...
[2022-02-10 02:40:14,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79eb314a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 02:40:14, skipping insertion in model container
[2022-02-10 02:40:14,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 02:40:14" (3/3) ...
[2022-02-10 02:40:14,204 INFO L111 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_02-idx_nr.i
[2022-02-10 02:40:14,209 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-02-10 02:40:14,209 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-02-10 02:40:14,209 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations.
[2022-02-10 02:40:14,211 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-02-10 02:40:14,285 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:40:14,285 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:40:14,285 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:40:14,286 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:40:14,286 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:40:14,286 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:40:14,286 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:40:14,287 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:40:14,287 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:40:14,287 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:40:14,288 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:40:14,288 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:40:14,288 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:40:14,289 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:40:14,289 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:40:14,289 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:40:14,289 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:40:14,290 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:40:14,298 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:40:14,299 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:40:14,299 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:40:14,299 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:40:14,299 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:40:14,300 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:40:14,300 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:40:14,300 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:40:14,300 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:40:14,300 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:40:14,301 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:40:14,301 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:40:14,301 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:40:14,301 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:40:14,305 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:40:14,305 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:40:14,305 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:40:14,305 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:40:14,306 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:40:14,306 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:40:14,306 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:40:14,308 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2022-02-10 02:40:14,372 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-02-10 02:40:14,380 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
[2022-02-10 02:40:14,380 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations.
[2022-02-10 02:40:14,394 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 67 places, 65 transitions, 135 flow
[2022-02-10 02:40:14,455 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 377 states, 369 states have (on average 1.8753387533875339) internal successors, (692), 376 states have internal predecessors, (692), 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)
[2022-02-10 02:40:19,210 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 59479 transitions and produced 37495 states.
[2022-02-10 02:40:19,514 INFO L276 IsEmpty]: Start isEmpty. Operand has 37495 states, 30143 states have (on average 1.3362638091762598) internal successors, (40279), 37494 states have internal predecessors, (40279), 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)
[2022-02-10 02:40:19,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2022-02-10 02:40:19,531 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-10 02:40:19,531 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]
[2022-02-10 02:40:19,533 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] ===
[2022-02-10 02:40:19,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-10 02:40:19,634 INFO L85 PathProgramCache]: Analyzing trace with hash -1537084983, now seen corresponding path program 1 times
[2022-02-10 02:40:19,644 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-10 02:40:19,644 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994274068]
[2022-02-10 02:40:19,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-10 02:40:19,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-10 02:40:19,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-10 02:40:19,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-10 02:40:19,840 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-10 02:40:19,840 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994274068]
[2022-02-10 02:40:19,841 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994274068] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-10 02:40:19,841 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-10 02:40:19,842 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-02-10 02:40:19,843 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610864434]
[2022-02-10 02:40:19,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-10 02:40:19,846 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-02-10 02:40:19,847 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-10 02:40:19,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-02-10 02:40:19,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-02-10 02:40:20,479 INFO L87 Difference]: Start difference. First operand has 37495 states, 30143 states have (on average 1.3362638091762598) internal successors, (40279), 37494 states have internal predecessors, (40279), 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 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 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)
[2022-02-10 02:40:21,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-10 02:40:21,092 INFO L93 Difference]: Finished difference Result 18763 states and 20155 transitions.
[2022-02-10 02:40:21,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-10 02:40:21,096 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 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 24
[2022-02-10 02:40:21,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-10 02:40:21,211 INFO L225 Difference]: With dead ends: 18763
[2022-02-10 02:40:21,211 INFO L226 Difference]: Without dead ends: 15627
[2022-02-10 02:40:21,213 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-02-10 02:40:21,216 INFO L933 BasicCegarLoop]: 62 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-02-10 02:40:21,218 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 62 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-02-10 02:40:21,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15627 states.
[2022-02-10 02:40:21,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15627 to 440.
[2022-02-10 02:40:21,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 400 states have (on average 1.48) internal successors, (592), 439 states have internal predecessors, (592), 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)
[2022-02-10 02:40:21,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 592 transitions.
[2022-02-10 02:40:21,456 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 592 transitions. Word has length 24
[2022-02-10 02:40:21,456 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-10 02:40:21,457 INFO L470 AbstractCegarLoop]: Abstraction has 440 states and 592 transitions.
[2022-02-10 02:40:21,457 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 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)
[2022-02-10 02:40:21,457 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 592 transitions.
[2022-02-10 02:40:21,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2022-02-10 02:40:21,458 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-10 02:40:21,458 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]
[2022-02-10 02:40:21,458 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-02-10 02:40:21,459 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] ===
[2022-02-10 02:40:21,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-10 02:40:21,459 INFO L85 PathProgramCache]: Analyzing trace with hash 960930954, now seen corresponding path program 1 times
[2022-02-10 02:40:21,460 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-10 02:40:21,460 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992533703]
[2022-02-10 02:40:21,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-10 02:40:21,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-10 02:40:21,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-10 02:40:21,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-10 02:40:21,512 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-10 02:40:21,512 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992533703]
[2022-02-10 02:40:21,513 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992533703] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-10 02:40:21,513 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-10 02:40:21,513 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-02-10 02:40:21,513 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323671777]
[2022-02-10 02:40:21,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-10 02:40:21,514 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-02-10 02:40:21,514 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-10 02:40:21,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-02-10 02:40:21,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-02-10 02:40:21,516 INFO L87 Difference]: Start difference. First operand 440 states and 592 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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)
[2022-02-10 02:40:21,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-10 02:40:21,545 INFO L93 Difference]: Finished difference Result 444 states and 596 transitions.
[2022-02-10 02:40:21,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-02-10 02:40:21,546 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 24
[2022-02-10 02:40:21,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-10 02:40:21,548 INFO L225 Difference]: With dead ends: 444
[2022-02-10 02:40:21,548 INFO L226 Difference]: Without dead ends: 444
[2022-02-10 02:40:21,548 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-02-10 02:40:21,549 INFO L933 BasicCegarLoop]: 59 mSDtfsCounter, 3 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-02-10 02:40:21,550 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 114 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-02-10 02:40:21,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states.
[2022-02-10 02:40:21,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 441.
[2022-02-10 02:40:21,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 401 states have (on average 1.4788029925187032) internal successors, (593), 440 states have internal predecessors, (593), 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)
[2022-02-10 02:40:21,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 593 transitions.
[2022-02-10 02:40:21,559 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 593 transitions. Word has length 24
[2022-02-10 02:40:21,565 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-10 02:40:21,566 INFO L470 AbstractCegarLoop]: Abstraction has 441 states and 593 transitions.
[2022-02-10 02:40:21,566 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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)
[2022-02-10 02:40:21,568 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 593 transitions.
[2022-02-10 02:40:21,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30
[2022-02-10 02:40:21,568 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-10 02:40:21,569 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]
[2022-02-10 02:40:21,569 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-02-10 02:40:21,569 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] ===
[2022-02-10 02:40:21,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-10 02:40:21,570 INFO L85 PathProgramCache]: Analyzing trace with hash -2006067409, now seen corresponding path program 1 times
[2022-02-10 02:40:21,570 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-10 02:40:21,570 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553006840]
[2022-02-10 02:40:21,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-10 02:40:21,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-10 02:40:21,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-10 02:40:21,672 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-10 02:40:21,673 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-10 02:40:21,673 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553006840]
[2022-02-10 02:40:21,673 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553006840] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-10 02:40:21,673 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1274394003]
[2022-02-10 02:40:21,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-10 02:40:21,674 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-10 02:40:21,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-10 02:40:21,676 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-10 02:40:21,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2022-02-10 02:40:21,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-10 02:40:21,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core
[2022-02-10 02:40:21,792 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-10 02:40:21,858 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-10 02:40:21,858 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-02-10 02:40:21,859 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1274394003] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-10 02:40:21,859 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2022-02-10 02:40:21,859 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6
[2022-02-10 02:40:21,859 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730599144]
[2022-02-10 02:40:21,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-10 02:40:21,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-02-10 02:40:21,860 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-10 02:40:21,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-02-10 02:40:21,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2022-02-10 02:40:21,861 INFO L87 Difference]: Start difference. First operand 441 states and 593 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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)
[2022-02-10 02:40:21,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-10 02:40:21,886 INFO L93 Difference]: Finished difference Result 486 states and 631 transitions.
[2022-02-10 02:40:21,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-02-10 02:40:21,887 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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 29
[2022-02-10 02:40:21,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-10 02:40:21,889 INFO L225 Difference]: With dead ends: 486
[2022-02-10 02:40:21,889 INFO L226 Difference]: Without dead ends: 486
[2022-02-10 02:40:21,889 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2022-02-10 02:40:21,890 INFO L933 BasicCegarLoop]: 74 mSDtfsCounter, 24 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-02-10 02:40:21,891 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 121 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-02-10 02:40:21,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states.
[2022-02-10 02:40:21,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 432.
[2022-02-10 02:40:21,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 400 states have (on average 1.4175) internal successors, (567), 431 states have internal predecessors, (567), 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)
[2022-02-10 02:40:21,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 567 transitions.
[2022-02-10 02:40:21,904 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 567 transitions. Word has length 29
[2022-02-10 02:40:21,904 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-10 02:40:21,904 INFO L470 AbstractCegarLoop]: Abstraction has 432 states and 567 transitions.
[2022-02-10 02:40:21,905 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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)
[2022-02-10 02:40:21,905 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 567 transitions.
[2022-02-10 02:40:21,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35
[2022-02-10 02:40:21,906 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-10 02:40:21,906 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]
[2022-02-10 02:40:21,940 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2022-02-10 02:40:22,129 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-10 02:40:22,130 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] ===
[2022-02-10 02:40:22,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-10 02:40:22,130 INFO L85 PathProgramCache]: Analyzing trace with hash -272035997, now seen corresponding path program 1 times
[2022-02-10 02:40:22,131 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-10 02:40:22,131 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922116584]
[2022-02-10 02:40:22,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-10 02:40:22,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-10 02:40:22,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-10 02:40:22,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-10 02:40:22,223 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-10 02:40:22,223 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922116584]
[2022-02-10 02:40:22,223 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922116584] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-10 02:40:22,224 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1690147185]
[2022-02-10 02:40:22,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-10 02:40:22,224 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-10 02:40:22,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-10 02:40:22,226 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-10 02:40:22,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2022-02-10 02:40:22,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-10 02:40:22,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 3 conjunts are in the unsatisfiable core
[2022-02-10 02:40:22,305 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-10 02:40:22,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-10 02:40:22,385 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-02-10 02:40:22,385 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1690147185] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-10 02:40:22,385 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2022-02-10 02:40:22,386 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6
[2022-02-10 02:40:22,387 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960562430]
[2022-02-10 02:40:22,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-10 02:40:22,390 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-02-10 02:40:22,391 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-10 02:40:22,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-02-10 02:40:22,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2022-02-10 02:40:22,393 INFO L87 Difference]: Start difference. First operand 432 states and 567 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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)
[2022-02-10 02:40:22,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-10 02:40:22,433 INFO L93 Difference]: Finished difference Result 445 states and 562 transitions.
[2022-02-10 02:40:22,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-02-10 02:40:22,435 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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 34
[2022-02-10 02:40:22,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-10 02:40:22,437 INFO L225 Difference]: With dead ends: 445
[2022-02-10 02:40:22,437 INFO L226 Difference]: Without dead ends: 252
[2022-02-10 02:40:22,437 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2022-02-10 02:40:22,441 INFO L933 BasicCegarLoop]: 74 mSDtfsCounter, 18 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-02-10 02:40:22,441 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 122 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-02-10 02:40:22,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states.
[2022-02-10 02:40:22,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 244.
[2022-02-10 02:40:22,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 217 states have (on average 1.3502304147465438) internal successors, (293), 243 states have internal predecessors, (293), 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)
[2022-02-10 02:40:22,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 293 transitions.
[2022-02-10 02:40:22,450 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 293 transitions. Word has length 34
[2022-02-10 02:40:22,450 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-10 02:40:22,450 INFO L470 AbstractCegarLoop]: Abstraction has 244 states and 293 transitions.
[2022-02-10 02:40:22,451 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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)
[2022-02-10 02:40:22,451 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 293 transitions.
[2022-02-10 02:40:22,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2022-02-10 02:40:22,454 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-10 02:40:22,455 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]
[2022-02-10 02:40:22,490 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2022-02-10 02:40:22,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3
[2022-02-10 02:40:22,672 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] ===
[2022-02-10 02:40:22,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-10 02:40:22,672 INFO L85 PathProgramCache]: Analyzing trace with hash 438956630, now seen corresponding path program 1 times
[2022-02-10 02:40:22,673 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-10 02:40:22,673 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141564284]
[2022-02-10 02:40:22,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-10 02:40:22,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-10 02:40:22,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-10 02:40:22,718 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-10 02:40:22,718 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-10 02:40:22,719 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141564284]
[2022-02-10 02:40:22,719 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141564284] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-10 02:40:22,719 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1821780294]
[2022-02-10 02:40:22,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-10 02:40:22,719 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-10 02:40:22,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-10 02:40:22,721 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-10 02:40:22,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2022-02-10 02:40:22,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-10 02:40:22,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjunts are in the unsatisfiable core
[2022-02-10 02:40:22,789 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-10 02:40:22,850 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-10 02:40:22,850 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-02-10 02:40:22,850 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1821780294] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-10 02:40:22,851 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2022-02-10 02:40:22,851 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6
[2022-02-10 02:40:22,851 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166908162]
[2022-02-10 02:40:22,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-10 02:40:22,851 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-02-10 02:40:22,851 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-10 02:40:22,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-02-10 02:40:22,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2022-02-10 02:40:22,852 INFO L87 Difference]: Start difference. First operand 244 states and 293 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 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)
[2022-02-10 02:40:22,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-10 02:40:22,875 INFO L93 Difference]: Finished difference Result 241 states and 280 transitions.
[2022-02-10 02:40:22,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-02-10 02:40:22,876 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 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 35
[2022-02-10 02:40:22,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-10 02:40:22,877 INFO L225 Difference]: With dead ends: 241
[2022-02-10 02:40:22,877 INFO L226 Difference]: Without dead ends: 215
[2022-02-10 02:40:22,877 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2022-02-10 02:40:22,879 INFO L933 BasicCegarLoop]: 68 mSDtfsCounter, 12 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-02-10 02:40:22,879 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 114 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-02-10 02:40:22,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states.
[2022-02-10 02:40:22,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 209.
[2022-02-10 02:40:22,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 184 states have (on average 1.3206521739130435) internal successors, (243), 208 states have internal predecessors, (243), 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)
[2022-02-10 02:40:22,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 243 transitions.
[2022-02-10 02:40:22,885 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 243 transitions. Word has length 35
[2022-02-10 02:40:22,886 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-10 02:40:22,886 INFO L470 AbstractCegarLoop]: Abstraction has 209 states and 243 transitions.
[2022-02-10 02:40:22,886 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 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)
[2022-02-10 02:40:22,886 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 243 transitions.
[2022-02-10 02:40:22,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40
[2022-02-10 02:40:22,887 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-10 02:40:22,887 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]
[2022-02-10 02:40:22,915 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2022-02-10 02:40:23,111 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-10 02:40:23,112 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] ===
[2022-02-10 02:40:23,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-10 02:40:23,113 INFO L85 PathProgramCache]: Analyzing trace with hash -1233691196, now seen corresponding path program 1 times
[2022-02-10 02:40:23,113 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-10 02:40:23,113 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063894932]
[2022-02-10 02:40:23,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-10 02:40:23,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-10 02:40:23,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-10 02:40:23,162 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-10 02:40:23,163 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-10 02:40:23,163 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063894932]
[2022-02-10 02:40:23,163 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063894932] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-10 02:40:23,163 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1027322906]
[2022-02-10 02:40:23,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-10 02:40:23,164 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-10 02:40:23,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-10 02:40:23,165 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-10 02:40:23,183 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2022-02-10 02:40:23,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-10 02:40:23,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjunts are in the unsatisfiable core
[2022-02-10 02:40:23,303 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-10 02:40:23,391 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-10 02:40:23,391 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-10 02:40:23,468 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-10 02:40:23,469 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1027322906] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-10 02:40:23,469 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-10 02:40:23,469 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10
[2022-02-10 02:40:23,470 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233444539]
[2022-02-10 02:40:23,470 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-10 02:40:23,470 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2022-02-10 02:40:23,471 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-10 02:40:23,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2022-02-10 02:40:23,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90
[2022-02-10 02:40:23,472 INFO L87 Difference]: Start difference. First operand 209 states and 243 transitions. Second operand has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 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)
[2022-02-10 02:40:23,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-10 02:40:23,521 INFO L93 Difference]: Finished difference Result 219 states and 253 transitions.
[2022-02-10 02:40:23,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2022-02-10 02:40:23,522 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 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 39
[2022-02-10 02:40:23,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-10 02:40:23,523 INFO L225 Difference]: With dead ends: 219
[2022-02-10 02:40:23,523 INFO L226 Difference]: Without dead ends: 219
[2022-02-10 02:40:23,523 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182
[2022-02-10 02:40:23,524 INFO L933 BasicCegarLoop]: 58 mSDtfsCounter, 16 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-02-10 02:40:23,524 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 226 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-02-10 02:40:23,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states.
[2022-02-10 02:40:23,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219.
[2022-02-10 02:40:23,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 194 states have (on average 1.3041237113402062) internal successors, (253), 218 states have internal predecessors, (253), 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)
[2022-02-10 02:40:23,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 253 transitions.
[2022-02-10 02:40:23,530 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 253 transitions. Word has length 39
[2022-02-10 02:40:23,530 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-10 02:40:23,530 INFO L470 AbstractCegarLoop]: Abstraction has 219 states and 253 transitions.
[2022-02-10 02:40:23,530 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 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)
[2022-02-10 02:40:23,530 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 253 transitions.
[2022-02-10 02:40:23,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50
[2022-02-10 02:40:23,532 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-10 02:40:23,532 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-10 02:40:23,561 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2022-02-10 02:40:23,756 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-10 02:40:23,757 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] ===
[2022-02-10 02:40:23,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-10 02:40:23,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1761237668, now seen corresponding path program 2 times
[2022-02-10 02:40:23,758 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-10 02:40:23,758 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074951289]
[2022-02-10 02:40:23,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-10 02:40:23,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-10 02:40:23,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-10 02:40:23,811 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked.
[2022-02-10 02:40:23,812 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-10 02:40:23,812 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074951289]
[2022-02-10 02:40:23,812 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074951289] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-10 02:40:23,812 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-10 02:40:23,812 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-02-10 02:40:23,812 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084196465]
[2022-02-10 02:40:23,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-10 02:40:23,814 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-02-10 02:40:23,814 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-10 02:40:23,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-02-10 02:40:23,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-02-10 02:40:23,815 INFO L87 Difference]: Start difference. First operand 219 states and 253 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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)
[2022-02-10 02:40:23,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-10 02:40:23,822 INFO L93 Difference]: Finished difference Result 53 states and 53 transitions.
[2022-02-10 02:40:23,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-02-10 02:40:23,822 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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 49
[2022-02-10 02:40:23,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-10 02:40:23,823 INFO L225 Difference]: With dead ends: 53
[2022-02-10 02:40:23,823 INFO L226 Difference]: Without dead ends: 0
[2022-02-10 02:40:23,823 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-02-10 02:40:23,824 INFO L933 BasicCegarLoop]: 36 mSDtfsCounter, 5 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-02-10 02:40:23,824 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 59 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-02-10 02:40:23,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2022-02-10 02:40:23,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2022-02-10 02:40:23,826 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)
[2022-02-10 02:40:23,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2022-02-10 02:40:23,826 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 49
[2022-02-10 02:40:23,826 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-10 02:40:23,826 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2022-02-10 02:40:23,826 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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)
[2022-02-10 02:40:23,827 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2022-02-10 02:40:23,827 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2022-02-10 02:40:23,829 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining)
[2022-02-10 02:40:23,830 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining)
[2022-02-10 02:40:23,830 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining)
[2022-02-10 02:40:23,830 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining)
[2022-02-10 02:40:23,830 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining)
[2022-02-10 02:40:23,830 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining)
[2022-02-10 02:40:23,830 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining)
[2022-02-10 02:40:23,831 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2022-02-10 02:40:23,833 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1]
[2022-02-10 02:40:23,838 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-02-10 02:40:23,838 INFO L180 ceAbstractionStarter]: Computing trace abstraction results
[2022-02-10 02:40:23,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.02 02:40:23 BasicIcfg
[2022-02-10 02:40:23,842 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-02-10 02:40:23,843 INFO L158 Benchmark]: Toolchain (without parser) took 10529.40ms. Allocated memory was 212.9MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 155.1MB in the beginning and 1.7GB in the end (delta: -1.5GB). Peak memory consumption was 178.0MB. Max. memory is 8.0GB.
[2022-02-10 02:40:23,843 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 212.9MB. Free memory was 172.7MB in the beginning and 172.6MB in the end (delta: 69.2kB). There was no memory consumed. Max. memory is 8.0GB.
[2022-02-10 02:40:23,844 INFO L158 Benchmark]: CACSL2BoogieTranslator took 423.86ms. Allocated memory was 212.9MB in the beginning and 308.3MB in the end (delta: 95.4MB). Free memory was 155.0MB in the beginning and 270.8MB in the end (delta: -115.9MB). Peak memory consumption was 8.1MB. Max. memory is 8.0GB.
[2022-02-10 02:40:23,844 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.24ms. Allocated memory is still 308.3MB. Free memory was 270.6MB in the beginning and 268.7MB in the end (delta: 1.8MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2022-02-10 02:40:23,844 INFO L158 Benchmark]: Boogie Preprocessor took 30.67ms. Allocated memory is still 308.3MB. Free memory was 268.7MB in the beginning and 267.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2022-02-10 02:40:23,844 INFO L158 Benchmark]: RCFGBuilder took 364.84ms. Allocated memory is still 308.3MB. Free memory was 267.2MB in the beginning and 255.9MB in the end (delta: 11.3MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB.
[2022-02-10 02:40:23,845 INFO L158 Benchmark]: TraceAbstraction took 9656.16ms. Allocated memory was 308.3MB in the beginning and 1.9GB in the end (delta: 1.6GB). Free memory was 255.4MB in the beginning and 1.7GB in the end (delta: -1.4GB). Peak memory consumption was 184.5MB. Max. memory is 8.0GB.
[2022-02-10 02:40:23,846 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.16ms. Allocated memory is still 212.9MB. Free memory was 172.7MB in the beginning and 172.6MB in the end (delta: 69.2kB). There was no memory consumed. Max. memory is 8.0GB.
* CACSL2BoogieTranslator took 423.86ms. Allocated memory was 212.9MB in the beginning and 308.3MB in the end (delta: 95.4MB). Free memory was 155.0MB in the beginning and 270.8MB in the end (delta: -115.9MB). Peak memory consumption was 8.1MB. Max. memory is 8.0GB.
* Boogie Procedure Inliner took 44.24ms. Allocated memory is still 308.3MB. Free memory was 270.6MB in the beginning and 268.7MB in the end (delta: 1.8MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
* Boogie Preprocessor took 30.67ms. Allocated memory is still 308.3MB. Free memory was 268.7MB in the beginning and 267.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
* RCFGBuilder took 364.84ms. Allocated memory is still 308.3MB. Free memory was 267.2MB in the beginning and 255.9MB in the end (delta: 11.3MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB.
* TraceAbstraction took 9656.16ms. Allocated memory was 308.3MB in the beginning and 1.9GB in the end (delta: 1.6GB). Free memory was 255.4MB in the beginning and 1.7GB in the end (delta: -1.4GB). Peak memory consumption was 184.5MB. Max. memory is 8.0GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Independence relation benchmarks
ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 0
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 693]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 693]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 683]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 683]: 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, 83 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 9.5s, OverallIterations: 7, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.3s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.8s, PartialOrderReductionTime: 4.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 78 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 78 mSDsluCounter, 818 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 394 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 108 IncrementalHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 431 mSDtfsCounter, 108 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 203 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37495occurred in iteration=0, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 15258 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 371 NumberOfCodeBlocks, 371 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 398 ConstructedInterpolants, 0 QuantifiedInterpolants, 510 SizeOfPredicates, 2 NumberOfNonLiveVariables, 370 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 12 InterpolantComputations, 6 PerfectInterpolantSequences, 21/27 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
4 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2022-02-10 02:40:23,892 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...