/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/gemcutter/NewStatesSleepPersistentFixedOrder-VarAbsGlobalSyntactic.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE -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/pthread/stack_longest-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-44940e9-m [2022-11-10 10:43:56,834 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-10 10:43:56,836 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-10 10:43:56,875 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-10 10:43:56,876 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-10 10:43:56,879 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-10 10:43:56,882 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-10 10:43:56,884 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-10 10:43:56,885 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-10 10:43:56,889 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-10 10:43:56,890 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-10 10:43:56,892 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-10 10:43:56,892 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-10 10:43:56,894 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-10 10:43:56,895 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-10 10:43:56,896 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-10 10:43:56,897 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-10 10:43:56,898 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-10 10:43:56,899 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-10 10:43:56,904 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-10 10:43:56,905 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-10 10:43:56,907 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-10 10:43:56,908 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-10 10:43:56,909 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-10 10:43:56,915 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-11-10 10:43:56,922 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-10 10:43:56,923 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-10 10:43:56,923 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-10 10:43:56,924 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder-VarAbsGlobalSyntactic.epf [2022-11-10 10:43:56,951 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-10 10:43:56,951 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-10 10:43:56,951 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-10 10:43:56,952 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-10 10:43:56,952 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-10 10:43:56,952 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-10 10:43:56,953 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-10 10:43:56,953 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-10 10:43:56,953 INFO L138 SettingsManager]: * Use SBE=true [2022-11-10 10:43:56,953 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-10 10:43:56,954 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-10 10:43:56,954 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-10 10:43:56,954 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-10 10:43:56,954 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-10 10:43:56,954 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-10 10:43:56,955 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-10 10:43:56,955 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-10 10:43:56,955 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-10 10:43:56,955 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-10 10:43:56,955 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-10 10:43:56,955 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-10 10:43:56,955 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-10 10:43:56,955 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-10 10:43:56,955 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-10 10:43:56,956 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-10 10:43:56,956 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-10 10:43:56,956 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-10 10:43:56,956 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-10 10:43:56,956 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-10 10:43:56,956 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-10 10:43:56,956 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-10 10:43:56,956 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-10 10:43:56,957 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-10 10:43:56,957 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-10 10:43:56,957 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-10 10:43:56,957 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-10 10:43:56,957 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-10 10:43:56,957 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-10 10:43:56,957 INFO L138 SettingsManager]: * Independence relation used for POR in concurrent analysis=SYNTACTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-11-10 10:43:57,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-10 10:43:57,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-10 10:43:57,233 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-10 10:43:57,234 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-10 10:43:57,235 INFO L275 PluginConnector]: CDTParser initialized [2022-11-10 10:43:57,236 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack_longest-2.i [2022-11-10 10:43:57,292 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c417d3cc6/b41cfde8da424f85896242063473b2ed/FLAG249ec28a9 [2022-11-10 10:43:57,834 INFO L306 CDTParser]: Found 1 translation units. [2022-11-10 10:43:57,834 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longest-2.i [2022-11-10 10:43:57,861 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c417d3cc6/b41cfde8da424f85896242063473b2ed/FLAG249ec28a9 [2022-11-10 10:43:58,272 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c417d3cc6/b41cfde8da424f85896242063473b2ed [2022-11-10 10:43:58,276 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-10 10:43:58,277 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-10 10:43:58,279 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-10 10:43:58,279 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-10 10:43:58,281 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-10 10:43:58,282 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:43:58" (1/1) ... [2022-11-10 10:43:58,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10f4af03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:58, skipping insertion in model container [2022-11-10 10:43:58,283 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:43:58" (1/1) ... [2022-11-10 10:43:58,289 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-10 10:43:58,336 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-10 10:43:58,758 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longest-2.i[41530,41543] [2022-11-10 10:43:58,799 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-10 10:43:58,809 INFO L203 MainTranslator]: Completed pre-run [2022-11-10 10:43:58,839 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longest-2.i[41530,41543] [2022-11-10 10:43:58,848 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-10 10:43:58,895 INFO L208 MainTranslator]: Completed translation [2022-11-10 10:43:58,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:58 WrapperNode [2022-11-10 10:43:58,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-10 10:43:58,897 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-10 10:43:58,897 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-10 10:43:58,897 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-10 10:43:58,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:58" (1/1) ... [2022-11-10 10:43:58,949 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:58" (1/1) ... [2022-11-10 10:43:59,006 INFO L138 Inliner]: procedures = 277, calls = 40, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 194 [2022-11-10 10:43:59,007 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-10 10:43:59,007 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-10 10:43:59,008 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-10 10:43:59,030 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-10 10:43:59,039 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:58" (1/1) ... [2022-11-10 10:43:59,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:58" (1/1) ... [2022-11-10 10:43:59,053 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:58" (1/1) ... [2022-11-10 10:43:59,054 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:58" (1/1) ... [2022-11-10 10:43:59,062 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:58" (1/1) ... [2022-11-10 10:43:59,080 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:58" (1/1) ... [2022-11-10 10:43:59,082 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:58" (1/1) ... [2022-11-10 10:43:59,083 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:58" (1/1) ... [2022-11-10 10:43:59,086 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-10 10:43:59,088 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-10 10:43:59,088 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-10 10:43:59,088 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-10 10:43:59,089 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:58" (1/1) ... [2022-11-10 10:43:59,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-10 10:43:59,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 10:43:59,124 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) [2022-11-10 10:43:59,141 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 [2022-11-10 10:43:59,157 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-10 10:43:59,157 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-10 10:43:59,157 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-10 10:43:59,158 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-10 10:43:59,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-10 10:43:59,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-10 10:43:59,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-10 10:43:59,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-10 10:43:59,158 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-10 10:43:59,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-10 10:43:59,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-10 10:43:59,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-10 10:43:59,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-10 10:43:59,160 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-10 10:43:59,332 INFO L235 CfgBuilder]: Building ICFG [2022-11-10 10:43:59,343 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-10 10:43:59,597 INFO L276 CfgBuilder]: Performing block encoding [2022-11-10 10:43:59,605 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-10 10:43:59,606 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-10 10:43:59,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:43:59 BoogieIcfgContainer [2022-11-10 10:43:59,608 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-10 10:43:59,610 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-10 10:43:59,610 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-10 10:43:59,613 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-10 10:43:59,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:43:58" (1/3) ... [2022-11-10 10:43:59,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47fef418 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:43:59, skipping insertion in model container [2022-11-10 10:43:59,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:58" (2/3) ... [2022-11-10 10:43:59,614 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47fef418 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:43:59, skipping insertion in model container [2022-11-10 10:43:59,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:43:59" (3/3) ... [2022-11-10 10:43:59,615 INFO L112 eAbstractionObserver]: Analyzing ICFG stack_longest-2.i [2022-11-10 10:43:59,622 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-10 10:43:59,630 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-10 10:43:59,630 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 13 error locations. [2022-11-10 10:43:59,630 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-10 10:43:59,741 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-10 10:43:59,801 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-10 10:43:59,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-10 10:43:59,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 10:43:59,807 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) [2022-11-10 10:43:59,866 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 [2022-11-10 10:43:59,886 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-10 10:43:59,898 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1Thread1of1ForFork0 ======== [2022-11-10 10:43:59,904 INFO L357 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, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3d081245, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-10 10:43:59,904 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-11-10 10:44:00,255 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err0ASSERT_VIOLATIONDATA_RACE === [t1Err0ASSERT_VIOLATIONDATA_RACE, t1Err1ASSERT_VIOLATIONDATA_RACE, t1Err2ASSERT_VIOLATIONDATA_RACE, t1Err3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-10 10:44:00,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 10:44:00,261 INFO L85 PathProgramCache]: Analyzing trace with hash -1326079830, now seen corresponding path program 1 times [2022-11-10 10:44:00,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 10:44:00,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844028780] [2022-11-10 10:44:00,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 10:44:00,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 10:44:00,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 10:44:00,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-10 10:44:00,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 10:44:00,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844028780] [2022-11-10 10:44:00,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844028780] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 10:44:00,537 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 10:44:00,537 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-10 10:44:00,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505330565] [2022-11-10 10:44:00,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 10:44:00,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-10 10:44:00,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 10:44:00,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-10 10:44:00,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-10 10:44:00,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:44:00,568 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 10:44:00,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 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) [2022-11-10 10:44:00,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:44:00,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:44:00,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-10 10:44:00,614 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err0ASSERT_VIOLATIONDATA_RACE === [t1Err0ASSERT_VIOLATIONDATA_RACE, t1Err1ASSERT_VIOLATIONDATA_RACE, t1Err2ASSERT_VIOLATIONDATA_RACE, t1Err3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-10 10:44:00,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 10:44:00,616 INFO L85 PathProgramCache]: Analyzing trace with hash -1742151928, now seen corresponding path program 1 times [2022-11-10 10:44:00,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 10:44:00,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267724721] [2022-11-10 10:44:00,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 10:44:00,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 10:44:00,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 10:44:00,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-10 10:44:00,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 10:44:00,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267724721] [2022-11-10 10:44:00,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267724721] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 10:44:00,704 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 10:44:00,704 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-10 10:44:00,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360809103] [2022-11-10 10:44:00,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 10:44:00,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 10:44:00,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 10:44:00,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 10:44:00,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-10 10:44:00,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:44:00,707 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 10:44:00,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-10 10:44:00,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:44:00,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:44:00,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:44:00,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:00,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-10 10:44:00,890 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err2ASSERT_VIOLATIONDATA_RACE === [t1Err0ASSERT_VIOLATIONDATA_RACE, t1Err1ASSERT_VIOLATIONDATA_RACE, t1Err2ASSERT_VIOLATIONDATA_RACE, t1Err3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-10 10:44:00,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 10:44:00,892 INFO L85 PathProgramCache]: Analyzing trace with hash -121728724, now seen corresponding path program 1 times [2022-11-10 10:44:00,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 10:44:00,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95939263] [2022-11-10 10:44:00,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 10:44:00,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 10:44:00,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 10:44:01,182 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-10 10:44:01,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 10:44:01,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95939263] [2022-11-10 10:44:01,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95939263] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 10:44:01,183 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 10:44:01,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-10 10:44:01,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091199325] [2022-11-10 10:44:01,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 10:44:01,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 10:44:01,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 10:44:01,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 10:44:01,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-10 10:44:01,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:44:01,186 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 10:44:01,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 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) [2022-11-10 10:44:01,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:44:01,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:01,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:44:01,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:44:01,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:01,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:01,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-10 10:44:01,232 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t1Err2ASSERT_VIOLATIONDATA_RACE === [t1Err0ASSERT_VIOLATIONDATA_RACE, t1Err1ASSERT_VIOLATIONDATA_RACE, t1Err2ASSERT_VIOLATIONDATA_RACE, t1Err3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-10 10:44:01,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 10:44:01,233 INFO L85 PathProgramCache]: Analyzing trace with hash -734582022, now seen corresponding path program 1 times [2022-11-10 10:44:01,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 10:44:01,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841938285] [2022-11-10 10:44:01,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 10:44:01,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 10:44:01,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 10:44:01,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-10 10:44:01,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 10:44:01,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841938285] [2022-11-10 10:44:01,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841938285] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 10:44:01,728 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 10:44:01,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-10 10:44:01,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444001424] [2022-11-10 10:44:01,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 10:44:01,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-10 10:44:01,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 10:44:01,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-10 10:44:01,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-10 10:44:01,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:44:01,732 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 10:44:01,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 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) [2022-11-10 10:44:01,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:44:01,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:01,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:01,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:44:01,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:44:01,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:01,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:01,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-10 10:44:01,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-10 10:44:01,831 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t1Err4ASSERT_VIOLATIONDATA_RACE === [t1Err0ASSERT_VIOLATIONDATA_RACE, t1Err1ASSERT_VIOLATIONDATA_RACE, t1Err2ASSERT_VIOLATIONDATA_RACE, t1Err3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-10 10:44:01,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 10:44:01,832 INFO L85 PathProgramCache]: Analyzing trace with hash 815692386, now seen corresponding path program 1 times [2022-11-10 10:44:01,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 10:44:01,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135631493] [2022-11-10 10:44:01,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 10:44:01,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 10:44:01,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 10:44:01,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-10 10:44:01,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 10:44:01,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135631493] [2022-11-10 10:44:01,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135631493] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 10:44:01,888 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 10:44:01,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-10 10:44:01,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887006959] [2022-11-10 10:44:01,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 10:44:01,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 10:44:01,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 10:44:01,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 10:44:01,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-10 10:44:01,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:44:01,894 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 10:44:01,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 41.5) internal successors, (83), 3 states have internal predecessors, (83), 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) [2022-11-10 10:44:01,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:44:01,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:01,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:01,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-10 10:44:01,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:44:02,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:44:02,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:02,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:02,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-10 10:44:02,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:02,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-10 10:44:02,187 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t1Err2ASSERT_VIOLATIONDATA_RACE === [t1Err0ASSERT_VIOLATIONDATA_RACE, t1Err1ASSERT_VIOLATIONDATA_RACE, t1Err2ASSERT_VIOLATIONDATA_RACE, t1Err3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-10 10:44:02,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 10:44:02,188 INFO L85 PathProgramCache]: Analyzing trace with hash -1218213162, now seen corresponding path program 1 times [2022-11-10 10:44:02,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 10:44:02,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920616850] [2022-11-10 10:44:02,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 10:44:02,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 10:44:02,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 10:44:02,783 INFO L134 CoverageAnalysis]: Checked inductivity of 1737 backedges. 538 proven. 20 refuted. 0 times theorem prover too weak. 1179 trivial. 0 not checked. [2022-11-10 10:44:02,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 10:44:02,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920616850] [2022-11-10 10:44:02,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920616850] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 10:44:02,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1456233590] [2022-11-10 10:44:02,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 10:44:02,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 10:44:02,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 10:44:02,786 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) [2022-11-10 10:44:02,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-10 10:44:03,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 10:44:03,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 1293 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-10 10:44:03,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 10:44:03,278 INFO L134 CoverageAnalysis]: Checked inductivity of 1737 backedges. 720 proven. 0 refuted. 0 times theorem prover too weak. 1017 trivial. 0 not checked. [2022-11-10 10:44:03,278 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-10 10:44:03,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1456233590] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 10:44:03,279 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-10 10:44:03,279 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-11-10 10:44:03,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722729970] [2022-11-10 10:44:03,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 10:44:03,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 10:44:03,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 10:44:03,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 10:44:03,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-10 10:44:03,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:44:03,285 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 10:44:03,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 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) [2022-11-10 10:44:03,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:44:03,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:03,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:03,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-10 10:44:03,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:03,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:44:03,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:44:03,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:03,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:03,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-10 10:44:03,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:03,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:03,378 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-10 10:44:03,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-10 10:44:03,575 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t1Err0ASSERT_VIOLATIONDATA_RACE === [t1Err0ASSERT_VIOLATIONDATA_RACE, t1Err1ASSERT_VIOLATIONDATA_RACE, t1Err2ASSERT_VIOLATIONDATA_RACE, t1Err3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-10 10:44:03,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 10:44:03,575 INFO L85 PathProgramCache]: Analyzing trace with hash 2130104592, now seen corresponding path program 1 times [2022-11-10 10:44:03,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 10:44:03,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626631567] [2022-11-10 10:44:03,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 10:44:03,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 10:44:03,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 10:44:03,787 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 96 proven. 20 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-10 10:44:03,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 10:44:03,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626631567] [2022-11-10 10:44:03,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626631567] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 10:44:03,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [757727333] [2022-11-10 10:44:03,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 10:44:03,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 10:44:03,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 10:44:03,792 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) [2022-11-10 10:44:03,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-10 10:44:03,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 10:44:03,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-10 10:44:03,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 10:44:04,103 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 96 proven. 20 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-10 10:44:04,104 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-10 10:44:04,255 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 96 proven. 20 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-10 10:44:04,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [757727333] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-10 10:44:04,256 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-10 10:44:04,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-11-10 10:44:04,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639398196] [2022-11-10 10:44:04,256 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-10 10:44:04,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-10 10:44:04,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 10:44:04,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-10 10:44:04,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-10 10:44:04,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:44:04,260 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 10:44:04,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 36.3) internal successors, (363), 10 states have internal predecessors, (363), 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) [2022-11-10 10:44:04,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:44:04,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:04,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:04,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-10 10:44:04,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:04,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:04,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:44:04,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:44:04,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:04,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:04,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-10 10:44:04,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:04,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:04,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-10 10:44:04,427 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-10 10:44:04,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 10:44:04,627 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t1Err0ASSERT_VIOLATIONDATA_RACE === [t1Err0ASSERT_VIOLATIONDATA_RACE, t1Err1ASSERT_VIOLATIONDATA_RACE, t1Err2ASSERT_VIOLATIONDATA_RACE, t1Err3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-10 10:44:04,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 10:44:04,628 INFO L85 PathProgramCache]: Analyzing trace with hash 806270544, now seen corresponding path program 2 times [2022-11-10 10:44:04,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 10:44:04,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633863250] [2022-11-10 10:44:04,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 10:44:04,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 10:44:04,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 10:44:04,911 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2022-11-10 10:44:04,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 10:44:04,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633863250] [2022-11-10 10:44:04,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633863250] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 10:44:04,912 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 10:44:04,912 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-10 10:44:04,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895423360] [2022-11-10 10:44:04,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 10:44:04,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 10:44:04,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 10:44:04,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 10:44:04,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-10 10:44:04,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:44:04,914 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 10:44:04,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 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) [2022-11-10 10:44:04,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:44:04,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:04,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:04,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-10 10:44:04,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:04,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:04,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-10 10:44:04,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:44:05,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:44:05,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:05,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:05,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-10 10:44:05,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:05,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:05,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-10 10:44:05,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:05,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-10 10:44:05,355 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t1Err2ASSERT_VIOLATIONDATA_RACE === [t1Err0ASSERT_VIOLATIONDATA_RACE, t1Err1ASSERT_VIOLATIONDATA_RACE, t1Err2ASSERT_VIOLATIONDATA_RACE, t1Err3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-10 10:44:05,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 10:44:05,356 INFO L85 PathProgramCache]: Analyzing trace with hash -588099083, now seen corresponding path program 1 times [2022-11-10 10:44:05,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 10:44:05,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431250026] [2022-11-10 10:44:05,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 10:44:05,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 10:44:05,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 10:44:05,570 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 701 proven. 0 refuted. 0 times theorem prover too weak. 608 trivial. 0 not checked. [2022-11-10 10:44:05,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 10:44:05,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431250026] [2022-11-10 10:44:05,571 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431250026] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 10:44:05,571 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 10:44:05,571 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-10 10:44:05,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629129423] [2022-11-10 10:44:05,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 10:44:05,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 10:44:05,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 10:44:05,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 10:44:05,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-10 10:44:05,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:44:05,573 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 10:44:05,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.33333333333333) internal successors, (244), 3 states have internal predecessors, (244), 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) [2022-11-10 10:44:05,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:44:05,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:05,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:05,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-10 10:44:05,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:05,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:05,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-10 10:44:05,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:05,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:44:05,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:44:05,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:05,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:05,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-10 10:44:05,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:05,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:05,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-10 10:44:05,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:05,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:05,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-10 10:44:05,876 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t1Err2ASSERT_VIOLATIONDATA_RACE === [t1Err0ASSERT_VIOLATIONDATA_RACE, t1Err1ASSERT_VIOLATIONDATA_RACE, t1Err2ASSERT_VIOLATIONDATA_RACE, t1Err3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-10 10:44:05,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 10:44:05,877 INFO L85 PathProgramCache]: Analyzing trace with hash -737967596, now seen corresponding path program 1 times [2022-11-10 10:44:05,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 10:44:05,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434740208] [2022-11-10 10:44:05,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 10:44:05,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 10:44:05,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 10:44:06,531 INFO L134 CoverageAnalysis]: Checked inductivity of 1296 backedges. 743 proven. 237 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2022-11-10 10:44:06,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 10:44:06,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434740208] [2022-11-10 10:44:06,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434740208] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 10:44:06,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [719682453] [2022-11-10 10:44:06,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 10:44:06,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 10:44:06,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 10:44:06,536 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) [2022-11-10 10:44:06,564 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-10 10:44:06,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 10:44:06,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 1155 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-10 10:44:06,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 10:44:07,086 INFO L134 CoverageAnalysis]: Checked inductivity of 1296 backedges. 743 proven. 237 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2022-11-10 10:44:07,087 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-10 10:44:07,456 INFO L134 CoverageAnalysis]: Checked inductivity of 1296 backedges. 743 proven. 237 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2022-11-10 10:44:07,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [719682453] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-10 10:44:07,456 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-10 10:44:07,457 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-11-10 10:44:07,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439842992] [2022-11-10 10:44:07,457 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-10 10:44:07,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-10 10:44:07,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 10:44:07,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-10 10:44:07,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-11-10 10:44:07,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:44:07,460 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 10:44:07,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 36.611111111111114) internal successors, (659), 18 states have internal predecessors, (659), 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) [2022-11-10 10:44:07,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:44:07,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:07,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:07,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-10 10:44:07,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:07,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:07,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-10 10:44:07,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:07,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:07,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:44:08,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:44:08,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:08,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:08,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-10 10:44:08,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:08,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:08,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-10 10:44:08,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:08,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:08,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-10 10:44:08,178 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-10 10:44:08,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 10:44:08,372 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting t1Err2ASSERT_VIOLATIONDATA_RACE === [t1Err0ASSERT_VIOLATIONDATA_RACE, t1Err1ASSERT_VIOLATIONDATA_RACE, t1Err2ASSERT_VIOLATIONDATA_RACE, t1Err3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-10 10:44:08,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 10:44:08,373 INFO L85 PathProgramCache]: Analyzing trace with hash 416409108, now seen corresponding path program 2 times [2022-11-10 10:44:08,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 10:44:08,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571379140] [2022-11-10 10:44:08,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 10:44:08,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 10:44:08,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 10:44:10,160 INFO L134 CoverageAnalysis]: Checked inductivity of 6292 backedges. 3359 proven. 1379 refuted. 0 times theorem prover too weak. 1554 trivial. 0 not checked. [2022-11-10 10:44:10,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 10:44:10,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571379140] [2022-11-10 10:44:10,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571379140] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 10:44:10,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1487041802] [2022-11-10 10:44:10,161 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-10 10:44:10,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 10:44:10,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 10:44:10,163 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) [2022-11-10 10:44:10,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-10 10:44:10,439 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-10 10:44:10,439 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-10 10:44:10,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-10 10:44:10,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 10:44:10,558 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-10 10:44:10,559 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-10 10:44:13,525 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-10 10:44:13,575 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2022-11-10 10:44:13,648 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-10 10:44:13,648 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2022-11-10 10:44:13,701 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-10 10:44:13,701 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2022-11-10 10:44:13,770 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 50 [2022-11-10 10:44:13,818 INFO L134 CoverageAnalysis]: Checked inductivity of 6292 backedges. 0 proven. 315 refuted. 0 times theorem prover too weak. 5977 trivial. 0 not checked. [2022-11-10 10:44:13,818 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-10 10:44:13,899 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (* |c_t1Thread1of1ForFork0_push_#t~ret36#1| 4))) (and (forall ((v_ArrVal_1462 (Array Int Int))) (= |c_t1Thread1of1ForFork0_push_#t~nondet37#1| (select (select (store |c_#race| |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1462) |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| 1 .cse0)))) (forall ((v_ArrVal_1462 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1462) |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| 2 .cse0)) |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)) (forall ((v_ArrVal_1462 (Array Int Int))) (= |c_t1Thread1of1ForFork0_push_#t~nondet37#1| (select (select (store |c_#race| |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1462) |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| 3 .cse0)))) (forall ((v_ArrVal_1462 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1462) |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| .cse0)) |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)))) is different from false [2022-11-10 10:44:13,934 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse2 (* |c_t1Thread1of1ForFork0_push_#t~ret36#1| 4))) (let ((.cse1 (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| 3 .cse2))) (let ((.cse0 (store |c_#race| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#race| |c_t1Thread1of1ForFork0_push_~stack#1.base|) .cse1 |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)))) (and (forall ((v_ArrVal_1462 (Array Int Int))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1462) |c_t1Thread1of1ForFork0_push_~stack#1.base|) .cse1) |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)) (forall ((v_ArrVal_1462 (Array Int Int))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1462) |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| .cse2)) |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)) (forall ((v_ArrVal_1462 (Array Int Int))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1462) |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| 2 .cse2)) |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)) (forall ((v_ArrVal_1462 (Array Int Int))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1462) |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| 1 .cse2)) |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)))))) is different from false [2022-11-10 10:44:13,951 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse2 (* |c_t1Thread1of1ForFork0_push_#t~ret36#1| 4))) (let ((.cse3 (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| 2 .cse2)) (.cse1 (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| 3 .cse2))) (let ((.cse0 (store |c_#race| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (store (select |c_#race| |c_t1Thread1of1ForFork0_push_~stack#1.base|) .cse3 |c_t1Thread1of1ForFork0_push_#t~nondet37#1|) .cse1 |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)))) (and (forall ((v_ArrVal_1462 (Array Int Int))) (= |c_t1Thread1of1ForFork0_push_#t~nondet37#1| (select (select (store .cse0 |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1462) |c_t1Thread1of1ForFork0_push_~stack#1.base|) .cse1))) (forall ((v_ArrVal_1462 (Array Int Int))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1462) |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| 1 .cse2)) |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)) (forall ((v_ArrVal_1462 (Array Int Int))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1462) |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| .cse2)) |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)) (forall ((v_ArrVal_1462 (Array Int Int))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1462) |c_t1Thread1of1ForFork0_push_~stack#1.base|) .cse3) |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)))))) is different from false [2022-11-10 10:44:14,220 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-10 10:44:14,220 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 67 [2022-11-10 10:44:14,232 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-10 10:44:14,233 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 115 treesize of output 35 [2022-11-10 10:44:14,245 INFO L356 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2022-11-10 10:44:14,246 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 1 [2022-11-10 10:44:14,253 INFO L356 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2022-11-10 10:44:14,253 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 1 [2022-11-10 10:44:14,262 INFO L356 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2022-11-10 10:44:14,262 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 50 treesize of output 1 [2022-11-10 10:44:15,649 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-10 10:44:15,649 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2022-11-10 10:44:15,657 INFO L134 CoverageAnalysis]: Checked inductivity of 6292 backedges. 0 proven. 287 refuted. 0 times theorem prover too weak. 5977 trivial. 28 not checked. [2022-11-10 10:44:15,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1487041802] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-10 10:44:15,657 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-10 10:44:15,657 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 11, 11] total 36 [2022-11-10 10:44:15,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391109725] [2022-11-10 10:44:15,658 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-10 10:44:15,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-11-10 10:44:15,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 10:44:15,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-11-10 10:44:15,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=898, Unknown=24, NotChecked=192, Total=1260 [2022-11-10 10:44:15,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:44:15,662 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 10:44:15,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 26.694444444444443) internal successors, (961), 36 states have internal predecessors, (961), 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) [2022-11-10 10:44:15,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:44:15,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:15,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:15,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-10 10:44:15,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:15,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:15,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-10 10:44:15,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:15,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:15,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-10 10:44:15,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:44:34,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:44:34,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:34,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:34,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-10 10:44:34,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:34,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:34,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-10 10:44:34,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:34,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:34,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-10 10:44:34,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2022-11-10 10:44:34,502 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-11-10 10:44:34,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-10 10:44:34,696 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting t1Err2ASSERT_VIOLATIONDATA_RACE === [t1Err0ASSERT_VIOLATIONDATA_RACE, t1Err1ASSERT_VIOLATIONDATA_RACE, t1Err2ASSERT_VIOLATIONDATA_RACE, t1Err3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-10 10:44:34,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 10:44:34,696 INFO L85 PathProgramCache]: Analyzing trace with hash -426292172, now seen corresponding path program 3 times [2022-11-10 10:44:34,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 10:44:34,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510220850] [2022-11-10 10:44:34,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 10:44:34,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 10:44:34,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 10:44:36,463 INFO L134 CoverageAnalysis]: Checked inductivity of 7182 backedges. 3816 proven. 1812 refuted. 0 times theorem prover too weak. 1554 trivial. 0 not checked. [2022-11-10 10:44:36,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 10:44:36,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510220850] [2022-11-10 10:44:36,464 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510220850] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 10:44:36,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1550818024] [2022-11-10 10:44:36,464 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-10 10:44:36,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 10:44:36,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 10:44:36,466 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) [2022-11-10 10:44:36,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-10 10:44:36,716 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-11-10 10:44:36,717 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-10 10:44:36,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-10 10:44:36,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 10:44:36,806 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-10 10:44:36,807 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-10 10:44:39,984 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-10 10:44:40,016 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2022-11-10 10:44:40,052 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-10 10:44:40,052 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2022-11-10 10:44:40,112 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 40 [2022-11-10 10:44:40,164 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-10 10:44:40,164 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2022-11-10 10:44:40,213 INFO L134 CoverageAnalysis]: Checked inductivity of 7182 backedges. 0 proven. 337 refuted. 0 times theorem prover too weak. 6845 trivial. 0 not checked. [2022-11-10 10:44:40,213 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-10 10:44:40,285 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (* |c_t1Thread1of1ForFork0_push_#t~ret36#1| 4))) (and (forall ((v_ArrVal_1991 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1991) |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| 2 .cse0)) |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)) (forall ((v_ArrVal_1991 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1991) |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| .cse0)) |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)) (forall ((v_ArrVal_1991 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1991) |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| 1 .cse0)) |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)))) is different from false [2022-11-10 10:44:40,303 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (* |c_t1Thread1of1ForFork0_push_#t~ret36#1| 4))) (let ((.cse2 (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| 2 .cse1))) (let ((.cse0 (store |c_#race| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#race| |c_t1Thread1of1ForFork0_push_~stack#1.base|) .cse2 |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)))) (and (forall ((v_ArrVal_1991 (Array Int Int))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1991) |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| .cse1)) |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)) (forall ((v_ArrVal_1991 (Array Int Int))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1991) |c_t1Thread1of1ForFork0_push_~stack#1.base|) .cse2) |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)) (forall ((v_ArrVal_1991 (Array Int Int))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1991) |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| 1 .cse1)) |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)))))) is different from false [2022-11-10 10:44:40,318 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse3 (* |c_t1Thread1of1ForFork0_push_#t~ret36#1| 4))) (let ((.cse1 (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| 1 .cse3)) (.cse2 (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| 2 .cse3))) (let ((.cse0 (store |c_#race| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (store (select |c_#race| |c_t1Thread1of1ForFork0_push_~stack#1.base|) .cse1 |c_t1Thread1of1ForFork0_push_#t~nondet37#1|) .cse2 |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)))) (and (forall ((v_ArrVal_1991 (Array Int Int))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1991) |c_t1Thread1of1ForFork0_push_~stack#1.base|) .cse1) |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)) (forall ((v_ArrVal_1991 (Array Int Int))) (= |c_t1Thread1of1ForFork0_push_#t~nondet37#1| (select (select (store .cse0 |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1991) |c_t1Thread1of1ForFork0_push_~stack#1.base|) .cse2))) (forall ((v_ArrVal_1991 (Array Int Int))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_1991) |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| .cse3)) |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)))))) is different from false [2022-11-10 10:44:40,333 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-10 10:44:40,333 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 54 [2022-11-10 10:44:40,338 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-10 10:44:40,338 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 71 treesize of output 27 [2022-11-10 10:44:40,346 INFO L356 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2022-11-10 10:44:40,347 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 1 [2022-11-10 10:44:40,352 INFO L356 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2022-11-10 10:44:40,352 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 1 [2022-11-10 10:44:41,810 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-10 10:44:41,810 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2022-11-10 10:44:41,816 INFO L134 CoverageAnalysis]: Checked inductivity of 7182 backedges. 0 proven. 307 refuted. 0 times theorem prover too weak. 6845 trivial. 30 not checked. [2022-11-10 10:44:41,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1550818024] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-10 10:44:41,817 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-10 10:44:41,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 11, 11] total 38 [2022-11-10 10:44:41,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304549015] [2022-11-10 10:44:41,818 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-10 10:44:41,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-11-10 10:44:41,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 10:44:41,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-11-10 10:44:41,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=1040, Unknown=3, NotChecked=204, Total=1406 [2022-11-10 10:44:41,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:44:41,826 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 10:44:41,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 26.842105263157894) internal successors, (1020), 38 states have internal predecessors, (1020), 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) [2022-11-10 10:44:41,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:44:41,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:41,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:41,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-10 10:44:41,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:41,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:41,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-10 10:44:41,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:41,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:41,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-10 10:44:41,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2022-11-10 10:44:41,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:44:56,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:44:56,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:56,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:56,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-10 10:44:56,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:56,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:56,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-10 10:44:56,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:56,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:44:56,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-10 10:44:56,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2022-11-10 10:44:56,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2022-11-10 10:44:56,666 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-10 10:44:56,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 10:44:56,850 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting t1Err2ASSERT_VIOLATIONDATA_RACE === [t1Err0ASSERT_VIOLATIONDATA_RACE, t1Err1ASSERT_VIOLATIONDATA_RACE, t1Err2ASSERT_VIOLATIONDATA_RACE, t1Err3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-10 10:44:56,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 10:44:56,851 INFO L85 PathProgramCache]: Analyzing trace with hash -1788947808, now seen corresponding path program 1 times [2022-11-10 10:44:56,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 10:44:56,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145448615] [2022-11-10 10:44:56,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 10:44:56,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 10:44:57,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 10:44:59,061 INFO L134 CoverageAnalysis]: Checked inductivity of 9139 backedges. 4824 proven. 2304 refuted. 0 times theorem prover too weak. 2011 trivial. 0 not checked. [2022-11-10 10:44:59,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 10:44:59,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145448615] [2022-11-10 10:44:59,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145448615] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 10:44:59,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [54810155] [2022-11-10 10:44:59,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 10:44:59,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 10:44:59,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 10:44:59,064 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-10 10:44:59,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-10 10:44:59,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 10:44:59,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 2487 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-10 10:44:59,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 10:45:00,312 INFO L134 CoverageAnalysis]: Checked inductivity of 9139 backedges. 4824 proven. 2304 refuted. 0 times theorem prover too weak. 2011 trivial. 0 not checked. [2022-11-10 10:45:00,313 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-10 10:45:01,190 INFO L134 CoverageAnalysis]: Checked inductivity of 9139 backedges. 4824 proven. 2304 refuted. 0 times theorem prover too weak. 2011 trivial. 0 not checked. [2022-11-10 10:45:01,191 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [54810155] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-10 10:45:01,191 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-10 10:45:01,191 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 42 [2022-11-10 10:45:01,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497239880] [2022-11-10 10:45:01,192 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-10 10:45:01,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2022-11-10 10:45:01,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 10:45:01,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2022-11-10 10:45:01,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=462, Invalid=1260, Unknown=0, NotChecked=0, Total=1722 [2022-11-10 10:45:01,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:45:01,196 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 10:45:01,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 32.57142857142857) internal successors, (1368), 42 states have internal predecessors, (1368), 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) [2022-11-10 10:45:01,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:45:01,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:45:01,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:45:01,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-10 10:45:01,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:45:01,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:45:01,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-10 10:45:01,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:45:01,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:45:01,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-10 10:45:01,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2022-11-10 10:45:01,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2022-11-10 10:45:01,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:45:04,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:45:04,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:45:04,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:45:04,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-10 10:45:04,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:45:04,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:45:04,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-10 10:45:04,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:45:04,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:45:04,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-10 10:45:04,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2022-11-10 10:45:04,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2022-11-10 10:45:04,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-11-10 10:45:04,984 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-10 10:45:05,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 10:45:05,167 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting t1Err2ASSERT_VIOLATIONDATA_RACE === [t1Err0ASSERT_VIOLATIONDATA_RACE, t1Err1ASSERT_VIOLATIONDATA_RACE, t1Err2ASSERT_VIOLATIONDATA_RACE, t1Err3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-10 10:45:05,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 10:45:05,168 INFO L85 PathProgramCache]: Analyzing trace with hash -2061270636, now seen corresponding path program 2 times [2022-11-10 10:45:05,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 10:45:05,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4812691] [2022-11-10 10:45:05,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 10:45:05,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 10:45:05,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 10:45:12,924 INFO L134 CoverageAnalysis]: Checked inductivity of 43936 backedges. 22535 proven. 10469 refuted. 0 times theorem prover too weak. 10932 trivial. 0 not checked. [2022-11-10 10:45:12,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 10:45:12,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4812691] [2022-11-10 10:45:12,925 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4812691] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 10:45:12,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [411224749] [2022-11-10 10:45:12,925 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-10 10:45:12,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 10:45:12,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 10:45:12,932 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-10 10:45:12,936 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-10 10:45:13,370 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-10 10:45:13,370 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-10 10:45:13,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-10 10:45:13,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 10:45:13,519 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-10 10:45:13,519 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-10 10:45:25,924 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-10 10:45:25,956 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2022-11-10 10:45:26,011 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-10 10:45:26,011 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2022-11-10 10:45:26,077 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 40 [2022-11-10 10:45:26,129 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-10 10:45:26,130 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2022-11-10 10:45:26,178 INFO L134 CoverageAnalysis]: Checked inductivity of 43936 backedges. 0 proven. 843 refuted. 0 times theorem prover too weak. 43093 trivial. 0 not checked. [2022-11-10 10:45:26,178 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-10 10:45:26,290 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (* |c_t1Thread1of1ForFork0_push_#t~ret36#1| 4))) (and (forall ((v_ArrVal_3744 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_3744) |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| 2 .cse0)) |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)) (forall ((v_ArrVal_3744 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_3744) |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| 1 .cse0)) |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)) (forall ((v_ArrVal_3744 (Array Int Int))) (= (select (select (store |c_#race| |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_3744) |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| .cse0)) |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)))) is different from false [2022-11-10 10:45:26,307 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (* |c_t1Thread1of1ForFork0_push_#t~ret36#1| 4))) (let ((.cse2 (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| 2 .cse1))) (let ((.cse0 (store |c_#race| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#race| |c_t1Thread1of1ForFork0_push_~stack#1.base|) .cse2 |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)))) (and (forall ((v_ArrVal_3744 (Array Int Int))) (= |c_t1Thread1of1ForFork0_push_#t~nondet37#1| (select (select (store .cse0 |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_3744) |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| 1 .cse1)))) (forall ((v_ArrVal_3744 (Array Int Int))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_3744) |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| .cse1)) |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)) (forall ((v_ArrVal_3744 (Array Int Int))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_3744) |c_t1Thread1of1ForFork0_push_~stack#1.base|) .cse2) |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)))))) is different from false [2022-11-10 10:45:26,318 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (* |c_t1Thread1of1ForFork0_push_#t~ret36#1| 4))) (let ((.cse3 (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| 1 .cse1)) (.cse2 (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| 2 .cse1))) (let ((.cse0 (store |c_#race| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (store (select |c_#race| |c_t1Thread1of1ForFork0_push_~stack#1.base|) .cse3 |c_t1Thread1of1ForFork0_push_#t~nondet37#1|) .cse2 |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)))) (and (forall ((v_ArrVal_3744 (Array Int Int))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_3744) |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| .cse1)) |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)) (forall ((v_ArrVal_3744 (Array Int Int))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_3744) |c_t1Thread1of1ForFork0_push_~stack#1.base|) .cse2) |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)) (forall ((v_ArrVal_3744 (Array Int Int))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_3744) |c_t1Thread1of1ForFork0_push_~stack#1.base|) .cse3) |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)))))) is different from false [2022-11-10 10:45:26,329 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-10 10:45:26,329 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 54 [2022-11-10 10:45:26,334 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-10 10:45:26,334 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 93 treesize of output 31 [2022-11-10 10:45:26,342 INFO L356 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2022-11-10 10:45:26,343 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 1 [2022-11-10 10:45:26,347 INFO L356 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2022-11-10 10:45:26,348 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 1 [2022-11-10 10:45:29,566 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-10 10:45:29,566 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2022-11-10 10:45:29,576 INFO L134 CoverageAnalysis]: Checked inductivity of 43936 backedges. 0 proven. 767 refuted. 0 times theorem prover too weak. 43093 trivial. 76 not checked. [2022-11-10 10:45:29,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [411224749] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-10 10:45:29,576 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-10 10:45:29,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 11, 11] total 60 [2022-11-10 10:45:29,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733936495] [2022-11-10 10:45:29,577 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-10 10:45:29,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2022-11-10 10:45:29,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 10:45:29,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2022-11-10 10:45:29,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=500, Invalid=2701, Unknown=3, NotChecked=336, Total=3540 [2022-11-10 10:45:29,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:45:29,583 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 10:45:29,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 27.866666666666667) internal successors, (1672), 60 states have internal predecessors, (1672), 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) [2022-11-10 10:45:29,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:45:29,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:45:29,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:45:29,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-10 10:45:29,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:45:29,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:45:29,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-10 10:45:29,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:45:29,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:45:29,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-10 10:45:29,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2022-11-10 10:45:29,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2022-11-10 10:45:29,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2022-11-10 10:45:29,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:45:52,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:45:52,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:45:52,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:45:52,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-10 10:45:52,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:45:52,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:45:52,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-10 10:45:52,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:45:52,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:45:52,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-10 10:45:52,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2022-11-10 10:45:52,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2022-11-10 10:45:52,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-11-10 10:45:52,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 397 states. [2022-11-10 10:45:52,416 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-10 10:45:52,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-10 10:45:52,602 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting t1Err2ASSERT_VIOLATIONDATA_RACE === [t1Err0ASSERT_VIOLATIONDATA_RACE, t1Err1ASSERT_VIOLATIONDATA_RACE, t1Err2ASSERT_VIOLATIONDATA_RACE, t1Err3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-10 10:45:52,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 10:45:52,603 INFO L85 PathProgramCache]: Analyzing trace with hash 748327824, now seen corresponding path program 4 times [2022-11-10 10:45:52,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 10:45:52,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767203238] [2022-11-10 10:45:52,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 10:45:52,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 10:45:52,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 10:46:00,200 INFO L134 CoverageAnalysis]: Checked inductivity of 46242 backedges. 23700 proven. 11610 refuted. 0 times theorem prover too weak. 10932 trivial. 0 not checked. [2022-11-10 10:46:00,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 10:46:00,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767203238] [2022-11-10 10:46:00,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767203238] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 10:46:00,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [242538716] [2022-11-10 10:46:00,201 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-10 10:46:00,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 10:46:00,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 10:46:00,202 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-10 10:46:00,203 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-10 10:46:01,058 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-10 10:46:01,059 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-10 10:46:01,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 4543 conjuncts, 46 conjunts are in the unsatisfiable core [2022-11-10 10:46:01,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 10:46:03,516 INFO L134 CoverageAnalysis]: Checked inductivity of 46242 backedges. 36499 proven. 19 refuted. 0 times theorem prover too weak. 9724 trivial. 0 not checked. [2022-11-10 10:46:03,516 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-10 10:46:06,659 INFO L134 CoverageAnalysis]: Checked inductivity of 46242 backedges. 36499 proven. 19 refuted. 0 times theorem prover too weak. 9724 trivial. 0 not checked. [2022-11-10 10:46:06,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [242538716] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-10 10:46:06,660 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-10 10:46:06,661 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 44, 44] total 124 [2022-11-10 10:46:06,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591472914] [2022-11-10 10:46:06,661 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-10 10:46:06,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 124 states [2022-11-10 10:46:06,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 10:46:06,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 124 interpolants. [2022-11-10 10:46:06,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2207, Invalid=13045, Unknown=0, NotChecked=0, Total=15252 [2022-11-10 10:46:06,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:46:06,669 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 10:46:06,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 124 states, 124 states have (on average 31.322580645161292) internal successors, (3884), 124 states have internal predecessors, (3884), 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) [2022-11-10 10:46:06,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:46:06,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:46:06,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:46:06,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-10 10:46:06,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:46:06,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:46:06,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-10 10:46:06,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:46:06,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:46:06,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-10 10:46:06,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2022-11-10 10:46:06,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2022-11-10 10:46:06,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2022-11-10 10:46:06,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 397 states. [2022-11-10 10:46:06,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:46:19,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:46:19,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:46:19,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:46:19,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-10 10:46:19,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:46:19,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:46:19,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-10 10:46:19,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:46:19,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:46:19,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-10 10:46:19,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2022-11-10 10:46:19,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2022-11-10 10:46:19,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-11-10 10:46:19,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 397 states. [2022-11-10 10:46:19,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2022-11-10 10:46:19,114 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-11-10 10:46:19,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-10 10:46:19,294 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting t1Err2ASSERT_VIOLATIONDATA_RACE === [t1Err0ASSERT_VIOLATIONDATA_RACE, t1Err1ASSERT_VIOLATIONDATA_RACE, t1Err2ASSERT_VIOLATIONDATA_RACE, t1Err3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-10 10:46:19,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 10:46:19,295 INFO L85 PathProgramCache]: Analyzing trace with hash -1905461495, now seen corresponding path program 1 times [2022-11-10 10:46:19,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 10:46:19,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623001086] [2022-11-10 10:46:19,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 10:46:19,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 10:46:19,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 10:46:23,615 INFO L134 CoverageAnalysis]: Checked inductivity of 15057 backedges. 2203 proven. 12810 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-11-10 10:46:23,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 10:46:23,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623001086] [2022-11-10 10:46:23,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623001086] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 10:46:23,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1617787200] [2022-11-10 10:46:23,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 10:46:23,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 10:46:23,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 10:46:23,617 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-10 10:46:23,618 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-10 10:46:24,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 10:46:24,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 3067 conjuncts, 44 conjunts are in the unsatisfiable core [2022-11-10 10:46:24,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 10:46:25,548 INFO L134 CoverageAnalysis]: Checked inductivity of 15057 backedges. 2203 proven. 12810 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-11-10 10:46:25,548 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-10 10:46:28,161 INFO L134 CoverageAnalysis]: Checked inductivity of 15057 backedges. 2203 proven. 12810 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-11-10 10:46:28,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1617787200] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-10 10:46:28,161 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-10 10:46:28,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 45, 45] total 90 [2022-11-10 10:46:28,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052000715] [2022-11-10 10:46:28,162 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-10 10:46:28,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 90 states [2022-11-10 10:46:28,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 10:46:28,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2022-11-10 10:46:28,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2070, Invalid=5940, Unknown=0, NotChecked=0, Total=8010 [2022-11-10 10:46:28,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:46:28,168 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 10:46:28,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 90 states, 90 states have (on average 30.877777777777776) internal successors, (2779), 90 states have internal predecessors, (2779), 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) [2022-11-10 10:46:28,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:46:28,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:46:28,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:46:28,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-10 10:46:28,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:46:28,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:46:28,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-10 10:46:28,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:46:28,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:46:28,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-10 10:46:28,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2022-11-10 10:46:28,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2022-11-10 10:46:28,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2022-11-10 10:46:28,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 397 states. [2022-11-10 10:46:28,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2022-11-10 10:46:28,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:46:44,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:46:44,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:46:44,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:46:44,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-10 10:46:44,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:46:44,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:46:44,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-10 10:46:44,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:46:44,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:46:44,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-10 10:46:44,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2022-11-10 10:46:44,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2022-11-10 10:46:44,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-11-10 10:46:44,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 397 states. [2022-11-10 10:46:44,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2022-11-10 10:46:44,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2022-11-10 10:46:44,782 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-10 10:46:44,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-10 10:46:44,962 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting t1Err2ASSERT_VIOLATIONDATA_RACE === [t1Err0ASSERT_VIOLATIONDATA_RACE, t1Err1ASSERT_VIOLATIONDATA_RACE, t1Err2ASSERT_VIOLATIONDATA_RACE, t1Err3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-10 10:46:44,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 10:46:44,963 INFO L85 PathProgramCache]: Analyzing trace with hash 450187465, now seen corresponding path program 2 times [2022-11-10 10:46:44,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 10:46:44,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260074179] [2022-11-10 10:46:44,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 10:46:44,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 10:46:45,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 10:47:04,767 INFO L134 CoverageAnalysis]: Checked inductivity of 58650 backedges. 4469 proven. 54137 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-11-10 10:47:04,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 10:47:04,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260074179] [2022-11-10 10:47:04,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260074179] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 10:47:04,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [55800529] [2022-11-10 10:47:04,768 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-10 10:47:04,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 10:47:04,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 10:47:04,772 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-10 10:47:04,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-10 10:47:05,300 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-10 10:47:05,301 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-10 10:47:05,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-10 10:47:05,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 10:47:05,439 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-10 10:47:05,439 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-10 10:47:16,190 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-10 10:47:16,251 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2022-11-10 10:47:16,323 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2022-11-10 10:47:16,383 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-10 10:47:16,384 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2022-11-10 10:47:16,448 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-10 10:47:16,448 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2022-11-10 10:47:16,519 INFO L134 CoverageAnalysis]: Checked inductivity of 58650 backedges. 0 proven. 975 refuted. 0 times theorem prover too weak. 57675 trivial. 0 not checked. [2022-11-10 10:47:16,519 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-10 10:47:16,841 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (* |c_t1Thread1of1ForFork0_push_#t~ret36#1| 4))) (let ((.cse2 (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| 1 .cse1))) (let ((.cse0 (store |c_#race| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#race| |c_t1Thread1of1ForFork0_push_~stack#1.base|) .cse2 |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)))) (and (forall ((v_ArrVal_6981 (Array Int Int))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_6981) |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| .cse1)) |c_t1Thread1of1ForFork0_push_#t~nondet37#1|)) (forall ((v_ArrVal_6981 (Array Int Int))) (= |c_t1Thread1of1ForFork0_push_#t~nondet37#1| (select (select (store .cse0 |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_6981) |c_t1Thread1of1ForFork0_push_~stack#1.base|) .cse2))))))) is different from false [2022-11-10 10:47:16,851 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-10 10:47:16,852 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 40 [2022-11-10 10:47:16,858 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-10 10:47:16,858 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 26 [2022-11-10 10:47:16,871 INFO L356 Elim1Store]: treesize reduction 25, result has 3.8 percent of original size [2022-11-10 10:47:16,871 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 1 [2022-11-10 10:47:22,617 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-10 10:47:22,618 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2022-11-10 10:47:22,625 INFO L134 CoverageAnalysis]: Checked inductivity of 58650 backedges. 0 proven. 931 refuted. 0 times theorem prover too weak. 57675 trivial. 44 not checked. [2022-11-10 10:47:22,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [55800529] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-10 10:47:22,626 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-10 10:47:22,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [89, 11, 11] total 108 [2022-11-10 10:47:22,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37743889] [2022-11-10 10:47:22,626 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-10 10:47:22,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 108 states [2022-11-10 10:47:22,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 10:47:22,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 108 interpolants. [2022-11-10 10:47:22,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2089, Invalid=9250, Unknown=7, NotChecked=210, Total=11556 [2022-11-10 10:47:22,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:47:22,634 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 10:47:22,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 108 states, 108 states have (on average 28.453703703703702) internal successors, (3073), 108 states have internal predecessors, (3073), 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) [2022-11-10 10:47:22,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:47:22,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:47:22,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:47:22,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-10 10:47:22,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:47:22,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:47:22,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-10 10:47:22,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:47:22,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:47:22,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-10 10:47:22,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2022-11-10 10:47:22,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2022-11-10 10:47:22,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2022-11-10 10:47:22,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 397 states. [2022-11-10 10:47:22,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2022-11-10 10:47:22,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2022-11-10 10:47:22,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:48:15,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:48:15,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:48:15,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:48:15,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-10 10:48:15,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:48:15,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:48:15,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-10 10:48:15,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:48:15,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:48:15,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-10 10:48:15,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2022-11-10 10:48:15,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2022-11-10 10:48:15,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-11-10 10:48:15,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 398 states. [2022-11-10 10:48:15,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2022-11-10 10:48:15,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2022-11-10 10:48:15,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 454 states. [2022-11-10 10:48:15,256 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-10 10:48:15,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-10 10:48:15,439 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting t1Err2ASSERT_VIOLATIONDATA_RACE === [t1Err0ASSERT_VIOLATIONDATA_RACE, t1Err1ASSERT_VIOLATIONDATA_RACE, t1Err2ASSERT_VIOLATIONDATA_RACE, t1Err3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-10 10:48:15,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 10:48:15,440 INFO L85 PathProgramCache]: Analyzing trace with hash -475381411, now seen corresponding path program 1 times [2022-11-10 10:48:15,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 10:48:15,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253825293] [2022-11-10 10:48:15,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 10:48:15,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 10:48:15,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat