/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-MCRwithoutDepranks-Lazy.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/04-mutex_44-malloc_sound.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-04 10:02:45,978 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-04 10:02:45,980 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-04 10:02:46,037 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-04 10:02:46,038 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-04 10:02:46,041 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-04 10:02:46,043 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-04 10:02:46,048 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-04 10:02:46,050 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-04 10:02:46,054 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-04 10:02:46,054 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-04 10:02:46,056 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-04 10:02:46,056 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-04 10:02:46,058 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-04 10:02:46,059 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-04 10:02:46,062 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-04 10:02:46,063 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-04 10:02:46,065 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-04 10:02:46,067 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-04 10:02:46,072 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-04 10:02:46,072 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-04 10:02:46,074 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-04 10:02:46,075 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-04 10:02:46,076 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-04 10:02:46,078 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-04 10:02:46,078 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-04 10:02:46,078 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-04 10:02:46,079 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-04 10:02:46,079 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-04 10:02:46,080 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-04 10:02:46,080 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-04 10:02:46,081 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-04 10:02:46,081 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-04 10:02:46,082 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-04 10:02:46,082 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-04 10:02:46,083 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-04 10:02:46,083 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-04 10:02:46,083 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-04 10:02:46,084 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-04 10:02:46,084 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-04 10:02:46,085 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-04 10:02:46,086 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-MCRwithoutDepranks-Lazy.epf [2022-03-04 10:02:46,111 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-04 10:02:46,111 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-04 10:02:46,112 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-04 10:02:46,112 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-04 10:02:46,113 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-04 10:02:46,113 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-04 10:02:46,113 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-04 10:02:46,113 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-04 10:02:46,113 INFO L138 SettingsManager]: * Use SBE=true [2022-03-04 10:02:46,114 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-04 10:02:46,114 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-04 10:02:46,114 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-04 10:02:46,114 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-04 10:02:46,114 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-04 10:02:46,114 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-04 10:02:46,114 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-04 10:02:46,115 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-04 10:02:46,115 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-04 10:02:46,115 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-04 10:02:46,115 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-04 10:02:46,115 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-04 10:02:46,115 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-04 10:02:46,115 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-04 10:02:46,115 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-04 10:02:46,116 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-04 10:02:46,116 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 10:02:46,116 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-04 10:02:46,116 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-04 10:02:46,116 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-04 10:02:46,116 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-04 10:02:46,116 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-04 10:02:46,116 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-04 10:02:46,117 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-04 10:02:46,117 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-04 10:02:46,117 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-04 10:02:46,117 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-03-04 10:02:46,117 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-03-04 10:02:46,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-04 10:02:46,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-04 10:02:46,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-04 10:02:46,394 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-04 10:02:46,394 INFO L275 PluginConnector]: CDTParser initialized [2022-03-04 10:02:46,395 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_44-malloc_sound.i [2022-03-04 10:02:46,457 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c1ece73c/f68bc64cb5dd4378ad31e16c71929657/FLAGd75d349ac [2022-03-04 10:02:46,920 INFO L306 CDTParser]: Found 1 translation units. [2022-03-04 10:02:46,921 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_44-malloc_sound.i [2022-03-04 10:02:46,944 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c1ece73c/f68bc64cb5dd4378ad31e16c71929657/FLAGd75d349ac [2022-03-04 10:02:47,259 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c1ece73c/f68bc64cb5dd4378ad31e16c71929657 [2022-03-04 10:02:47,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-04 10:02:47,262 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-04 10:02:47,265 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-04 10:02:47,265 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-04 10:02:47,268 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-04 10:02:47,269 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 10:02:47" (1/1) ... [2022-03-04 10:02:47,271 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@749d95d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:02:47, skipping insertion in model container [2022-03-04 10:02:47,271 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 10:02:47" (1/1) ... [2022-03-04 10:02:47,278 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-04 10:02:47,346 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-04 10:02:47,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-04 10:02:47,710 INFO L203 MainTranslator]: Completed pre-run [2022-03-04 10:02:47,741 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-04 10:02:47,792 INFO L208 MainTranslator]: Completed translation [2022-03-04 10:02:47,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:02:47 WrapperNode [2022-03-04 10:02:47,792 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-04 10:02:47,794 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-04 10:02:47,794 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-04 10:02:47,794 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-04 10:02:47,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:02:47" (1/1) ... [2022-03-04 10:02:47,821 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:02:47" (1/1) ... [2022-03-04 10:02:47,840 INFO L137 Inliner]: procedures = 263, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 62 [2022-03-04 10:02:47,840 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-04 10:02:47,841 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-04 10:02:47,841 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-04 10:02:47,842 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-04 10:02:47,848 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:02:47" (1/1) ... [2022-03-04 10:02:47,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:02:47" (1/1) ... [2022-03-04 10:02:47,851 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:02:47" (1/1) ... [2022-03-04 10:02:47,851 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:02:47" (1/1) ... [2022-03-04 10:02:47,856 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:02:47" (1/1) ... [2022-03-04 10:02:47,859 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:02:47" (1/1) ... [2022-03-04 10:02:47,861 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:02:47" (1/1) ... [2022-03-04 10:02:47,863 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-04 10:02:47,864 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-04 10:02:47,864 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-04 10:02:47,864 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-04 10:02:47,865 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:02:47" (1/1) ... [2022-03-04 10:02:47,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 10:02:47,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 10:02:47,909 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) [2022-03-04 10:02:47,936 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 [2022-03-04 10:02:47,959 INFO L130 BoogieDeclarations]: Found specification of procedure f [2022-03-04 10:02:47,960 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2022-03-04 10:02:47,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-04 10:02:47,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-04 10:02:47,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-04 10:02:47,960 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-04 10:02:47,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-04 10:02:47,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-04 10:02:47,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-04 10:02:47,963 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-04 10:02:48,139 INFO L234 CfgBuilder]: Building ICFG [2022-03-04 10:02:48,141 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-04 10:02:48,283 INFO L275 CfgBuilder]: Performing block encoding [2022-03-04 10:02:48,292 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-04 10:02:48,292 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-04 10:02:48,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 10:02:48 BoogieIcfgContainer [2022-03-04 10:02:48,295 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-04 10:02:48,297 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-04 10:02:48,297 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-04 10:02:48,301 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-04 10:02:48,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 10:02:47" (1/3) ... [2022-03-04 10:02:48,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49bae91d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 10:02:48, skipping insertion in model container [2022-03-04 10:02:48,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:02:47" (2/3) ... [2022-03-04 10:02:48,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49bae91d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 10:02:48, skipping insertion in model container [2022-03-04 10:02:48,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 10:02:48" (3/3) ... [2022-03-04 10:02:48,304 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_44-malloc_sound.i [2022-03-04 10:02:48,309 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-04 10:02:48,310 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-04 10:02:48,310 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-03-04 10:02:48,310 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-04 10:02:48,348 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#in~x.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:02:48,348 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#in~x.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:02:48,348 WARN L322 ript$VariableManager]: TermVariabe fThread1of1ForFork0_~x.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:02:48,348 WARN L322 ript$VariableManager]: TermVariabe fThread1of1ForFork0_~x.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:02:48,349 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#in~x.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:02:48,349 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#in~x.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:02:48,349 WARN L322 ript$VariableManager]: TermVariabe fThread1of1ForFork0_~x.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:02:48,349 WARN L322 ript$VariableManager]: TermVariabe fThread1of1ForFork0_~x.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:02:48,350 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:02:48,351 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:02:48,351 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:02:48,351 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:02:48,352 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:02:48,352 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:02:48,352 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:02:48,353 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:02:48,354 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:02:48,354 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:02:48,354 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:02:48,354 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:02:48,355 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:02:48,355 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:02:48,355 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:02:48,355 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:02:48,355 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:02:48,356 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:02:48,356 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:02:48,356 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:02:48,356 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:02:48,357 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:02:48,357 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:02:48,357 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:02:48,361 WARN L322 ript$VariableManager]: TermVariabe fThread1of1ForFork0_~x.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:02:48,362 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:02:48,362 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:02:48,362 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:02:48,363 WARN L322 ript$VariableManager]: TermVariabe fThread1of1ForFork0_~x.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:02:48,363 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:02:48,363 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 10:02:48,365 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-04 10:02:48,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-04 10:02:48,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 10:02:48,409 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-04 10:02:48,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-03-04 10:02:48,443 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-04 10:02:48,450 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-04 10:02:48,450 INFO L340 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2022-03-04 10:02:48,517 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 36 transitions and produced 37 states. [2022-03-04 10:02:48,520 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-03-04 10:02:48,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 10:02:48,525 INFO L85 PathProgramCache]: Analyzing trace with hash -510509479, now seen corresponding path program 1 times [2022-03-04 10:02:48,538 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 10:02:48,538 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076833171] [2022-03-04 10:02:48,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 10:02:48,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 10:02:48,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 10:02:48,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 10:02:48,737 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 10:02:48,737 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076833171] [2022-03-04 10:02:48,738 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076833171] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 10:02:48,738 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 10:02:48,739 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-04 10:02:48,741 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283547511] [2022-03-04 10:02:48,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 10:02:48,745 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-04 10:02:48,746 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 10:02:48,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-04 10:02:48,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-04 10:02:48,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:02:48,777 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 10:02:48,778 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 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) [2022-03-04 10:02:48,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:02:48,802 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 36 transitions and produced 37 states. [2022-03-04 10:02:48,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:02:48,804 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-04 10:02:48,804 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-03-04 10:02:48,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 10:02:48,809 INFO L85 PathProgramCache]: Analyzing trace with hash 1987506458, now seen corresponding path program 1 times [2022-03-04 10:02:48,809 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 10:02:48,809 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278717039] [2022-03-04 10:02:48,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 10:02:48,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 10:02:48,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 10:02:48,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 10:02:48,901 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 10:02:48,902 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278717039] [2022-03-04 10:02:48,902 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278717039] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 10:02:48,902 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 10:02:48,902 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-04 10:02:48,903 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564600480] [2022-03-04 10:02:48,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 10:02:48,904 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-04 10:02:48,904 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 10:02:48,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-04 10:02:48,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-04 10:02:48,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:02:48,906 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 10:02:48,906 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2022-03-04 10:02:48,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:02:48,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:02:48,954 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 50 transitions and produced 51 states. [2022-03-04 10:02:48,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:02:48,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:02:48,958 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-04 10:02:48,959 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-03-04 10:02:48,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 10:02:48,960 INFO L85 PathProgramCache]: Analyzing trace with hash 2038686019, now seen corresponding path program 1 times [2022-03-04 10:02:48,960 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 10:02:48,960 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821083965] [2022-03-04 10:02:48,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 10:02:48,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 10:02:49,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 10:02:49,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 10:02:49,096 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 10:02:49,096 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821083965] [2022-03-04 10:02:49,097 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821083965] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 10:02:49,097 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1754853225] [2022-03-04 10:02:49,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 10:02:49,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 10:02:49,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 10:02:49,101 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) [2022-03-04 10:02:49,102 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-04 10:02:49,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 10:02:49,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-04 10:02:49,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 10:02:49,369 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-04 10:02:49,370 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-04 10:02:49,371 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1754853225] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 10:02:49,372 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-04 10:02:49,372 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-03-04 10:02:49,372 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519117681] [2022-03-04 10:02:49,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 10:02:49,374 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-04 10:02:49,374 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 10:02:49,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-04 10:02:49,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-04 10:02:49,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:02:49,376 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 10:02:49,376 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 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) [2022-03-04 10:02:49,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:02:49,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:02:49,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:02:49,415 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 61 transitions and produced 62 states. [2022-03-04 10:02:49,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:02:49,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:02:49,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:02:49,441 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-04 10:02:49,627 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,SelfDestructingSolverStorable2 [2022-03-04 10:02:49,628 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-03-04 10:02:49,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 10:02:49,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1859173889, now seen corresponding path program 1 times [2022-03-04 10:02:49,629 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 10:02:49,629 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554552971] [2022-03-04 10:02:49,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 10:02:49,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 10:02:49,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 10:02:49,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 10:02:49,709 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 10:02:49,710 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554552971] [2022-03-04 10:02:49,710 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554552971] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 10:02:49,710 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1413597280] [2022-03-04 10:02:49,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 10:02:49,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 10:02:49,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 10:02:49,713 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) [2022-03-04 10:02:49,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-04 10:02:49,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 10:02:49,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-04 10:02:49,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 10:02:49,929 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-04 10:02:49,930 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-04 10:02:49,930 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1413597280] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 10:02:49,930 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-04 10:02:49,930 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-03-04 10:02:49,931 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339602454] [2022-03-04 10:02:49,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 10:02:49,931 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-04 10:02:49,931 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 10:02:49,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-04 10:02:49,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-04 10:02:49,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:02:49,933 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 10:02:49,933 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 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) [2022-03-04 10:02:49,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:02:49,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:02:49,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:02:49,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:02:49,981 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 70 transitions and produced 71 states. [2022-03-04 10:02:49,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:02:49,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:02:49,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:02:49,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:02:50,019 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-04 10:02:50,195 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 10:02:50,196 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-03-04 10:02:50,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 10:02:50,197 INFO L85 PathProgramCache]: Analyzing trace with hash -55772877, now seen corresponding path program 1 times [2022-03-04 10:02:50,197 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 10:02:50,197 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278295470] [2022-03-04 10:02:50,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 10:02:50,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 10:02:50,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 10:02:50,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 10:02:50,278 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 10:02:50,278 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278295470] [2022-03-04 10:02:50,278 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278295470] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 10:02:50,278 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1854223278] [2022-03-04 10:02:50,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 10:02:50,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 10:02:50,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 10:02:50,281 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) [2022-03-04 10:02:50,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-04 10:02:50,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 10:02:50,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-04 10:02:50,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 10:02:50,468 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-04 10:02:50,469 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-04 10:02:50,469 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1854223278] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 10:02:50,469 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-04 10:02:50,469 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-03-04 10:02:50,469 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855366675] [2022-03-04 10:02:50,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 10:02:50,470 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-04 10:02:50,470 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 10:02:50,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-04 10:02:50,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-04 10:02:50,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:02:50,471 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 10:02:50,471 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 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) [2022-03-04 10:02:50,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:02:50,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:02:50,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:02:50,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:02:50,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:02:50,535 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 96 transitions and produced 97 states. [2022-03-04 10:02:50,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:02:50,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:02:50,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:02:50,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:02:50,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:02:50,570 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-04 10:02:50,751 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 10:02:50,752 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting fErr1ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-03-04 10:02:50,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 10:02:50,753 INFO L85 PathProgramCache]: Analyzing trace with hash 307642162, now seen corresponding path program 1 times [2022-03-04 10:02:50,753 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 10:02:50,754 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628335229] [2022-03-04 10:02:50,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 10:02:50,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 10:02:50,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 10:02:50,841 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 10:02:50,842 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 10:02:50,842 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628335229] [2022-03-04 10:02:50,843 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628335229] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 10:02:50,844 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [671004934] [2022-03-04 10:02:50,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 10:02:50,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 10:02:50,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 10:02:50,847 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 10:02:50,849 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-04 10:02:50,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 10:02:50,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-04 10:02:50,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 10:02:51,053 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-04 10:02:51,054 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-04 10:02:51,054 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [671004934] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 10:02:51,054 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-04 10:02:51,054 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-03-04 10:02:51,055 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731028064] [2022-03-04 10:02:51,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 10:02:51,056 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-04 10:02:51,056 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 10:02:51,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-04 10:02:51,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-04 10:02:51,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:02:51,057 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 10:02:51,057 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 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) [2022-03-04 10:02:51,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:02:51,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:02:51,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:02:51,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:02:51,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:02:51,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:02:51,112 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 100 transitions and produced 101 states. [2022-03-04 10:02:51,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:02:51,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:02:51,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:02:51,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:02:51,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:02:51,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:02:51,151 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-04 10:02:51,323 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 10:02:51,324 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting fErr2ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-03-04 10:02:51,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 10:02:51,325 INFO L85 PathProgramCache]: Analyzing trace with hash 1917912757, now seen corresponding path program 1 times [2022-03-04 10:02:51,325 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 10:02:51,326 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276012486] [2022-03-04 10:02:51,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 10:02:51,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 10:02:51,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 10:02:51,399 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 10:02:51,399 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 10:02:51,399 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276012486] [2022-03-04 10:02:51,400 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276012486] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 10:02:51,400 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [837647944] [2022-03-04 10:02:51,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 10:02:51,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 10:02:51,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 10:02:51,402 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 10:02:51,404 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-04 10:02:51,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 10:02:51,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-04 10:02:51,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 10:02:51,586 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-04 10:02:51,587 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-04 10:02:51,587 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [837647944] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 10:02:51,587 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-04 10:02:51,587 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-03-04 10:02:51,588 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955828469] [2022-03-04 10:02:51,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 10:02:51,589 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-04 10:02:51,589 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 10:02:51,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-04 10:02:51,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-04 10:02:51,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:02:51,591 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 10:02:51,591 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 33.5) internal successors, (67), 3 states have internal predecessors, (67), 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) [2022-03-04 10:02:51,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:02:51,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:02:51,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:02:51,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:02:51,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:02:51,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:02:51,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.